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Chen J, Liu X, Liu C, Tang L, Bu T, Jiang B, Qing Y, Xie Y, Wang Y, Shan Y, Li R, Ye C, Liao L. Reconfigurable Ag/HfO 2/NiO/Pt Memristors with Stable Synchronous Synaptic and Neuronal Functions for Renewable Homogeneous Neuromorphic Computing System. Nano Lett 2024. [PMID: 38647348 DOI: 10.1021/acs.nanolett.4c01319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
Artificial synapses and bionic neurons offer great potential in highly efficient computing paradigms. However, complex requirements for specific electronic devices in neuromorphic computing have made memristors face the challenge of process simplification and universality. Herein, reconfigurable Ag/HfO2/NiO/Pt memristors are designed for feasible switching between volatile and nonvolatile modes by compliance current controlled Ag filaments, which enables stable and reconfigurable synaptic and neuronal functions. A neuromorphic computing system effectively replicates the biological synaptic weight alteration and continuously accomplishes excitation and reset of artificial neurons, which consist of bionic synapses and artificial neurons based on isotype Ag/HfO2/NiO/Pt memristors. This reconfigurable electrical performance of the Ag/HfO2/NiO/Pt memristors takes advantage of simplified hardware design and delivers integrated circuits with high density, which exhibits great potency for future neural networks.
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Affiliation(s)
- Jiaqi Chen
- Key Laboratory of Intelligent Sensing System and Security, Ministry of Education, School of Microelectronics, Hubei University, Wuhan 430062, China
| | - Xingqiang Liu
- Changsha Semiconductor Technology and Application Research Institute, Engineering Research Center of Advanced Semiconductor Technology, College of Semiconductor (College of Integrated Circuit), Hunan University, Changsha 410082, China
| | - Chang Liu
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education & Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Lin Tang
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education & Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Tong Bu
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education & Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Bei Jiang
- Key Laboratory of Intelligent Sensing System and Security, Ministry of Education, School of Microelectronics, Hubei University, Wuhan 430062, China
- Changsha Semiconductor Technology and Application Research Institute, Engineering Research Center of Advanced Semiconductor Technology, College of Semiconductor (College of Integrated Circuit), Hunan University, Changsha 410082, China
| | - Yahui Qing
- Key Laboratory of Intelligent Sensing System and Security, Ministry of Education, School of Microelectronics, Hubei University, Wuhan 430062, China
| | - Yulu Xie
- Key Laboratory of Intelligent Sensing System and Security, Ministry of Education, School of Microelectronics, Hubei University, Wuhan 430062, China
| | - Yong Wang
- Key Laboratory of Intelligent Sensing System and Security, Ministry of Education, School of Microelectronics, Hubei University, Wuhan 430062, China
| | - Yongtao Shan
- Key Laboratory of Intelligent Sensing System and Security, Ministry of Education, School of Microelectronics, Hubei University, Wuhan 430062, China
| | - Ruxin Li
- Key Laboratory of Intelligent Sensing System and Security, Ministry of Education, School of Microelectronics, Hubei University, Wuhan 430062, China
| | - Cong Ye
- Key Laboratory of Intelligent Sensing System and Security, Ministry of Education, School of Microelectronics, Hubei University, Wuhan 430062, China
| | - Lei Liao
- Changsha Semiconductor Technology and Application Research Institute, Engineering Research Center of Advanced Semiconductor Technology, College of Semiconductor (College of Integrated Circuit), Hunan University, Changsha 410082, China
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Bu T, Sun Z, Pan Y, Deng X, Yuan G. Glucagon-Like Peptide-1: New Regulator in Lipid Metabolism. Diabetes Metab J 2024:dmj.2023.0277. [PMID: 38650100 DOI: 10.4093/dmj.2023.0277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 01/01/2024] [Indexed: 04/25/2024] Open
Abstract
Glucagon-like peptide-1 (GLP-1) is a 30-amino acid peptide hormone that is mainly expressed in the intestine and hypothalamus. In recent years, basic and clinical studies have shown that GLP-1 is closely related to lipid metabolism, and it can participate in lipid metabolism by inhibiting fat synthesis, promoting fat differentiation, enhancing cholesterol metabolism, and promoting adipose browning. GLP-1 plays a key role in the occurrence and development of metabolic diseases such as obesity, nonalcoholic fatty liver disease, and atherosclerosis by regulating lipid metabolism. It is expected to become a new target for the treatment of metabolic disorders. The effects of GLP-1 and dual agonists on lipid metabolism also provide a more complete treatment plan for metabolic diseases. This article reviews the recent research progress of GLP-1 in lipid metabolism.
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Affiliation(s)
- Tong Bu
- Department of Endocrinology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Ziyan Sun
- Department of Endocrinology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Yi Pan
- Department of Endocrinology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Xia Deng
- Department of Endocrinology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
| | - Guoyue Yuan
- Department of Endocrinology, Affiliated Hospital of Jiangsu University, Zhenjiang, China
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Pan Y, Bu T, Deng X, Jia J, Yuan G. Gut microbiota and type 2 diabetes mellitus: a focus on the gut-brain axis. Endocrine 2024; 84:1-15. [PMID: 38227168 DOI: 10.1007/s12020-023-03640-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Accepted: 11/30/2023] [Indexed: 01/17/2024]
Abstract
Type 2 diabetes mellitus (T2DM) has become one of the most serious public healthcare challenges, contributing to increased mortality and disability. In the past decades, significant progress has been made in understanding the pathogenesis of T2DM. Mounting evidence suggested that gut microbiota (GM) plays a significant role in the development of T2DM. Communication between the GM and the brain is a complex bidirectional connection, known as the "gut-brain axis," via the nervous, neuroendocrine, and immune systems. Gut-brain axis has an essential impact on various physiological processes, including glucose metabolism, food intake, gut motility, etc. In this review, we provide an outline of the gut-brain axis. We also highlight how the dysbiosis of the gut-brain axis affects glucose homeostasis and even results in T2DM.
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Affiliation(s)
- Yi Pan
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Jiangsu University, Institute of Endocrine and Metabolic Diseases, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Tong Bu
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Jiangsu University, Institute of Endocrine and Metabolic Diseases, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Xia Deng
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Jiangsu University, Institute of Endocrine and Metabolic Diseases, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Jue Jia
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Jiangsu University, Institute of Endocrine and Metabolic Diseases, Jiangsu University, Zhenjiang, Jiangsu, China
| | - Guoyue Yuan
- Department of Endocrinology and Metabolism, The Affiliated Hospital of Jiangsu University, Institute of Endocrine and Metabolic Diseases, Jiangsu University, Zhenjiang, Jiangsu, China.
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Wu H, Bu T, Sun B, Xi J, Cao Y, Wang Y, Xuan C, Feng Q, Yan H, Wang L. "Three-in-One" Multifunctional Hollow Nanocages with Colorimetric Photothermal Catalytic Activity for Enhancing Sensitivity in Biosensing. Anal Chem 2024; 96:4825-4834. [PMID: 38364099 DOI: 10.1021/acs.analchem.3c04899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2024]
Abstract
Immunochromatographic assays (ICAs) have been widely used in the field detection of mycotoxin contaminants. Nevertheless, the lack of multisignal readout capability and the ability of signaling tags to maintain their biological activity while efficiently loading antibodies remain a great challenge in satisfying diverse testing demands. Herein, we proposed a novel three-in-one multifunctional hollow vanadium nanomicrosphere (high brightness-catalytic-photothermal properties)-mediated triple-readout ICA (VHMS-ICA) for sensitive detection of T-2. As the key to this biosensing strategy, vanadium was used as the catalytic-photothermal characterization center, and natural polyphenols were utilized as the bridging ligands for coupling with the antibody while self-assembling with formaldehyde cross-linking into a hollow nanocage-like structure, which offers the possibility of realizing a three-signal readout strategy and improving the coupling efficiency to the antibody while preserving its biological activity. The constructed sensors showed a detection limit (LOD) of 2 pg/mL for T-2, which was about 345-fold higher than that of conventional gold nanoparticle-based ICA (0.596 ng/mL). As anticipated, the detection range of VHMS-ICA was extended about 8-fold compared with the colorimetric signal alone. Ultimately, the proposed immunosensor performed well in maize and oat samples, with satisfactory recoveries. Owing to the synergistic and complementary interactions between distinct signaling modes, the establishment of multimodal immunosensors with multifunctional tags is an efficient strategy to satisfy diversified detection demands.
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Affiliation(s)
- Haiyu Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Tong Bu
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou, Henan 450002, China
| | - Boyang Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jia Xi
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yuanyuan Cao
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Ying Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chenyu Xuan
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Qinlin Feng
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Huiqi Yan
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
- GDMPA Key Laboratory for Process Control and Quality Evaluation of Chiral Pharmaceuticals, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, School of Chemistry, South China Normal University, Guangzhou, Guangdong 510006, PR China
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Hong R, He P, Zhang S, Hong X, Tian Q, Liu C, Bu T, Su W, Li G, Flandre D, Liu X, Lv Y, Liao L, Zou X. Compositional Engineering of Cu-Doped SnO Film for Complementary Metal Oxide Semiconductor Technology. Nano Lett 2024; 24:1176-1183. [PMID: 38240634 DOI: 10.1021/acs.nanolett.3c03953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Metal oxide semiconductor (MOS)-based complementary thin-film transistor (TFT) circuits have broad application prospects in large-scale flexible electronics. To simplify circuit design and increase integration density, basic complementary circuits require both p- and n-channel transistors based on an individual semiconductor. However, until now, no MOSs that can simultaneously show p- and n-type conduction behavior have been reported. Herein, we demonstrate for the first time that Cu-doped SnO (Cu:SnO) with HfO2 capping can be employed for high-performance p- and n-channel TFTs. The interstitial Cu+ can induce an n-doping effect while restraining electron-electron scatterings by removing conduction band minimum degeneracy. As a result, the Cu3 atom %:SnO TFTs exhibit a record high electron mobility of 43.8 cm2 V-1 s-1. Meanwhile, the p-channel devices show an ultrahigh hole mobility of 2.4 cm2 V-1 s-1. Flexible complementary logics are then established, including an inverter, NAND gates, and NOR gates. Impressively, the inverter exhibits an ultrahigh gain of 302.4 and excellent operational stability and bending reliability.
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Affiliation(s)
- Ruohao Hong
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education and Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Penghui He
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education and Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Sen Zhang
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education and Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Xitong Hong
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education and Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Qianlei Tian
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education and Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Chang Liu
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education and Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Tong Bu
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education and Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Wanhan Su
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education and Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Guoli Li
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education and Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Denis Flandre
- Institute of Information and Communication Technologies, Electronics and Applied Mathematics, Universite Catholique de Louvain, Louvain-la-Neuve B-1348, Belgium
| | - Xingqiang Liu
- Changsha Semiconductor Technology and Application Research Institute, Engineering Research Center of Advanced Semiconductor Technology, College of Semiconductor (College of Integrated Circuit), Hunan University, Changsha 410082, China
- Zhangzhou Heqi Target Technology Company, Ltd., Jiulong Industrial Park, Hua'an Economic Development Zone, Zhangzhou, Fujian 363000, P. R. China
| | - Yawei Lv
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education and Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
| | - Lei Liao
- Changsha Semiconductor Technology and Application Research Institute, Engineering Research Center of Advanced Semiconductor Technology, College of Semiconductor (College of Integrated Circuit), Hunan University, Changsha 410082, China
| | - Xuming Zou
- Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education and Hunan Provincial Key Laboratory of Low-Dimensional Structural Physics and Devices, School of Physics and Electronics, Hunan University, Changsha 410082, China
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Yu Z, Bu T, Zhang Y, Jia S, Huang T, Liu JK. Robust Decoding of Rich Dynamical Visual Scenes With Retinal Spikes. IEEE Trans Neural Netw Learn Syst 2024; PP:1-14. [PMID: 38265909 DOI: 10.1109/tnnls.2024.3351120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/26/2024]
Abstract
Sensory information transmitted to the brain activates neurons to create a series of coping behaviors. Understanding the mechanisms of neural computation and reverse engineering the brain to build intelligent machines requires establishing a robust relationship between stimuli and neural responses. Neural decoding aims to reconstruct the original stimuli that trigger neural responses. With the recent upsurge of artificial intelligence, neural decoding provides an insightful perspective for designing novel algorithms of brain-machine interface. For humans, vision is the dominant contributor to the interaction between the external environment and the brain. In this study, utilizing the retinal neural spike data collected over multi trials with visual stimuli of two movies with different levels of scene complexity, we used a neural network decoder to quantify the decoded visual stimuli with six different metrics for image quality assessment establishing comprehensive inspection of decoding. With the detailed and systematical study of the effect and single and multiple trials of data, different noise in spikes, and blurred images, our results provide an in-depth investigation of decoding dynamical visual scenes using retinal spikes. These results provide insights into the neural coding of visual scenes and services as a guideline for designing next-generation decoding algorithms of neuroprosthesis and other devices of brain-machine interface.
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Sun Y, Deng X, Luo C, Ma W, Liu W, Wang J, Li Q, Bu T, Zhang X. Time-resolved fluorescence microspheres-antibody-penicillin-binding protein assisted construction of immunochromatographic assay for sensitive detection of 22 β-lactams in milk. Mikrochim Acta 2023; 191:50. [PMID: 38141100 DOI: 10.1007/s00604-023-06106-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Accepted: 11/15/2023] [Indexed: 12/24/2023]
Abstract
A sensitive immunochromatographic assay (ICA) using time-resolved fluorescence microspheres (TRFMs) coupled with an indirect-labeling mode was developed for simultaneously determining 22 kinds of β-lactams in milk samples. The TRFMs labeled anti-receptor monoclonal antibodies (mAbs) conjugated to penicillin-binding proteins (PBPs) as ternary TRFMs-mAb-PBPs (TMP) nanoscaffolds provide excellent solubility, brightness, and stability. Thanks to the fact that they not only fully expose the binding sites of PBPs, thereby enhancing the biological affinity of PBPs towards the target, but also generated superb fluorescence signals, the versatile TMP manifested unique possibilities as efficient probes for ICA with remarkable enhancement in sensitivity in β-lactams screening. The results showed that the standard curves of the 22 varying β-lactams displayed linearity in their respective concentration ranges (R2 > 0.98), with the cutoff values of 1-100 ng/mL. The constructed TMP-ICA was successfully applied to the analysis of real milk, with consistent results compared with liquid chromatography-tandem mass spectrometry (LC-MS), providing an effective method for sensing β-lactams in food matrices.
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Affiliation(s)
- Yawei Sun
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, Henan, People's Republic of China
| | - Xiangjie Deng
- College of Animal Science and Veterinary Medicine, Henan Institute of Science and Technology, Xinxiang, 453003, Henan, People's Republic of China
| | - Changwei Luo
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Wentao Ma
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Wanjing Liu
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Jinkui Wang
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Qingyue Li
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Tong Bu
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China.
| | - Xiya Zhang
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China.
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Song L, Wang Y, Li Q, Wang J, Gao T, An Z, Liu Q, Mao Y, Bu T, Huang X, Ma Y, Wang Z, Zhang X. Production of monoclonal antibody against tylosin and tilmicosin with homogeneous cross-reactivity and its application in lateral flow immunoassay. Mikrochim Acta 2023; 191:42. [PMID: 38114730 DOI: 10.1007/s00604-023-06132-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Accepted: 11/29/2023] [Indexed: 12/21/2023]
Abstract
To avoid false negative results due to the low cross-reactivity rate (CR) in rapid immunoassay, a group-specific antibody with homogeneous CR toward target compounds is needed for accuracy. In this study, tylosin (TYL) and tilmicosin (TM) were selected as model molecules. Firstly, two-dimensional similarity, electrostatic potential energy, spatial conformation and charge distribution of the haptens TYL-CMO, TYL-6-ACA, TYL-4-APA, TYL-CHO and DES-CMO and target compounds of TYL and TM were obtained using Gaussian 09W and Discovery Studio. The optimal hapten was DES-CMO because it is the most similar to TYL and TM. Subsequently, the mAb 14D5 cell line was obtained with IC50 values of 1.59 and 1.72 ng/mL for TYL and TM, respectively, and a CR of 92.44%. Finally, amorphous carbon nanoparticles (ACNPs) were conjugated with mAb 14D5 to develop an accurate lateral flow immunoassay (LFA) for detection of TYL and TM by the reflectance value under natural light. The recoveries of TYL and TM ranged from 77.18 to 112.04% with coefficient of variation < 13.43%. The cut-off value in milk samples was 8 ng/mL, and the limits of detection were 11.44, 15.96, 22.29 and 25.53 μg/kg for chicken muscle, bovine muscle, porcine muscle and porcine liver samples, respectively, and the results being consistent with HPLC-UV. The results suggest that the developed LFA is accurate and potentially useful for on-site screening of TYL and TM in milk and animal tissue samples.
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Affiliation(s)
- Lianjun Song
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Youyi Wang
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Qingyue Li
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Jinkui Wang
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Tian Gao
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Zhaohuan An
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Qinfang Liu
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Yexuan Mao
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Tong Bu
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Xianqing Huang
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
| | - Yan Ma
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China
- Henan Shuanghui Investment Development Co., Ltd., Luohe, 462005, China
- Henan Technology Innovation Center of Meat Processing and Research, Luohe, 462005, China
| | - Zhanhui Wang
- National Key Laboratory of Veterinary Public Health Security, Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety, College of Veterinary Medicine, China Agricultural University, 100193, Beijing, People's Republic of China
| | - Xiya Zhang
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, 450002, Henan, China.
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Cao Y, Bu T, Wu H, Xi J, Wang Y, Xuan C, Jia P, Zheng B, Zhao J, Zhuang Y, Wang L. Ultrabright Fluorescent Nanorod-Based Immunochromatographic with Low Background for Advancing Detection Performance. Anal Chem 2023; 95:16585-16592. [PMID: 37774142 DOI: 10.1021/acs.analchem.3c02718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/01/2023]
Abstract
Nanomaterials-based immunochromatographic assays (ICAs) are of great significance in point-of-care testing (POCT), yet it remains challenging to explore low background platforms and high chromogenic intensity probes to improve detection performance. Herein, we reported a low interference and high signal-to-noise ratio fluorescent ICA platform based on ultrabright persistent luminescent nanoparticles (PLNPs) Zn2GeO4: Mn, which could produce intense photoluminescence at 254 nm excitation to reduce background interference from ICA substrates and samples. The prepared immunosensor was successfully applied in T-2 toxin detection with a remarkable limit of detection of 0.025 ng/mL, which was 22-fold more sensitive compared with that of traditional gold nanoparticles. Ultimately, a portable 3D-printed detection device equipped with a smartphone analyzing application was fabricated for quantitative readout in POCT, achieving favorable recoveries in practical sample detection. This work provides a creative attempt for ultrabright PLNP-based low background ICA, and it also guarantees its feasibility in practical POCT.
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Affiliation(s)
- Yuanyuan Cao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, Henan, China
| | - Haiyu Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Jia Xi
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Ying Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Chenyu Xuan
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Pei Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Baiyu Zheng
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Jing Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Yuting Zhuang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou 510006, China
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10
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Lu J, Zhang Q, An Q, Bu T, Feng Y, Chen D, Qian K, Chen H. Preparation of activated carbon from sewage sludge using green activator and its performance on dye wastewater treatment. Environ Technol 2023; 44:3897-3910. [PMID: 35543664 DOI: 10.1080/09593330.2022.2077130] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 04/30/2022] [Indexed: 06/14/2023]
Abstract
The remediation of dyes in wastewater using activated carbon produced from sewage sludge pyrolysis char (PYC) is an environmentally friendly and sustainable process. However, traditional activators can cause corrosion of the processing facility, thereby increasing the costs of waste disposal. Here, activated carbons were prepared from sewage sludge PYC, and the effects of activation conditions (different activators, temperature and time, and char:activator mass ratio) on their specific surface areas and adsorption of iodine and methylene blue (MB; model dye) were studied. The results showed that a value of 952 m2/g could be attained for the specific surface area and values of 882 and 162 mg/g for the adsorption of iodine and MB, respectively, by heating PYC with KHCO3 (PYC- KHCO3: 1:2 w/w) for 60 min at 800 ℃. Compared with activation by KOH, the adsorption of MB using PYC-KHCO3 was slightly lower but the yield was 13.7% higher. Optimization of the activation process using surface response modelling indicated that sensitivity of three key factors to the adsorption of iodine and MB followed the order: Mass ratio > temperature > time. Systematic investigation of the effects of time, pH and temperature on the removal of MB by the activated carbon revealed that adsorption conformed to the Langmuir model and pseudo-second-order kinetics. The proposed mechanisms of MB adsorption involved ion exchange, functional group complexation and physical/π-π interactions. This study provides a basis for the efficient remediation of dyes in wastewater using activated carbon prepared from sustainable sewage sludge PYC and green chemistry.
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Affiliation(s)
- Jintao Lu
- Thermal and Environmental Engineering Institute, School of Mechanical Engineering, Tongji University, Shanghai, People's Republic of China
- Shanghai Engineering Research Center of Multi-source Solid Wastes Co-processing and Energy Utilization, Shanghai, People' s Republic of China
| | - Qian Zhang
- Thermal and Environmental Engineering Institute, School of Mechanical Engineering, Tongji University, Shanghai, People's Republic of China
- Shanghai Engineering Research Center of Multi-source Solid Wastes Co-processing and Energy Utilization, Shanghai, People' s Republic of China
| | - Qing An
- Thermal and Environmental Engineering Institute, School of Mechanical Engineering, Tongji University, Shanghai, People's Republic of China
- Shanghai Engineering Research Center of Multi-source Solid Wastes Co-processing and Energy Utilization, Shanghai, People' s Republic of China
| | - Tong Bu
- Thermal and Environmental Engineering Institute, School of Mechanical Engineering, Tongji University, Shanghai, People's Republic of China
- Shanghai Engineering Research Center of Multi-source Solid Wastes Co-processing and Energy Utilization, Shanghai, People' s Republic of China
| | - Yuheng Feng
- Thermal and Environmental Engineering Institute, School of Mechanical Engineering, Tongji University, Shanghai, People's Republic of China
- Shanghai Engineering Research Center of Multi-source Solid Wastes Co-processing and Energy Utilization, Shanghai, People' s Republic of China
| | - Dezhen Chen
- Thermal and Environmental Engineering Institute, School of Mechanical Engineering, Tongji University, Shanghai, People's Republic of China
- Shanghai Engineering Research Center of Multi-source Solid Wastes Co-processing and Energy Utilization, Shanghai, People' s Republic of China
| | - Kezhen Qian
- Thermal and Environmental Engineering Institute, School of Mechanical Engineering, Tongji University, Shanghai, People's Republic of China
- Shanghai Engineering Research Center of Multi-source Solid Wastes Co-processing and Energy Utilization, Shanghai, People' s Republic of China
| | - Hui Chen
- School of Mechanical Engineering, Shanghai Dianji University, Shanghai, People's Republic of China
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11
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Xi J, Bu T, Wu H, Wang Y, Cao Y, Xuan C, Feng Q, Wang L. Novel Dumbbell-like CeVO 4 Carrier-Based Immunochromatographic Assay for Highly Sensitive T-2 Toxin Detection in Food Samples. Anal Chem 2023; 95:15531-15539. [PMID: 37753722 DOI: 10.1021/acs.analchem.3c01669] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
Improving the sensitivity of immunochromatographic assays (ICAs) lies in the signal strength and probe activity of the labeled tracers, and the color properties and structure of the labeled tracers are key factors affecting the biological activity. In this study, cerium vanadate (CeVO4) of different sizes and shapes (230, 1058, and 710 nm) was synthesized to investigate its impact on the performance of ICA for T-2 detection. The prepared CeVO4 possessed outstanding stability, a large specific surface area, superior biocompatibility, and high compatibility with T-2 mAb (affinity constant was 3.14 × 108 M-1). As labeling probes for competitive ICA, the results showed that 1058 nm of CeVO4 as labels exhibited the best detection performance, with a limit of detection (LOD) of 0.079 ng/mL, which was substantially 19-fold less than the average of gold nanoparticle ICA. Additionally, CeVO4-ICA was effectively used to detect T-2 toxin, and the recovery rate for spiking corn and oatmeal samples was determined to be 81.27-115.44% (relative standard deviation <9.16%). The above information demonstrates the efficiency and applicability of CeVO4-ICA as a technique for quick and thorough identification of T-2 toxin residues in food.
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Affiliation(s)
- Jia Xi
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, Henan, China
| | - Haiyu Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Ying Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Yuanyuan Cao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Chenyu Xuan
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Qinlin Feng
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou 510006, China
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12
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Bu T, Li L, Tian J. Unlocking the role of non-coding RNAs in prostate cancer progression: exploring the interplay with the Wnt signaling pathway. Front Pharmacol 2023; 14:1269233. [PMID: 37829301 PMCID: PMC10565042 DOI: 10.3389/fphar.2023.1269233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 09/12/2023] [Indexed: 10/14/2023] Open
Abstract
Prostate cancer (PCa) is one of the most common cancers in males, exhibiting a wide spectrum of clinical manifestations that pose challenges in its diagnosis and treatment. The Wnt signaling pathway, a conserved and complex pathway, is crucial for embryonic development, tissue homeostasis, and various physiological processes. Apart from the classical Wnt/β-catenin signaling pathway, there exist multiple non-classical Wnt signaling pathways, including the Wnt/PCP and Wnt/Ca2+ pathways. Non-coding RNAs (ncRNAs) are involved in the occurrence and development of PCa and the response to PCa treatment. ncRNAs are known to execute diverse regulatory roles in cellular processes, despite their inability to encode proteins. Among them, microRNAs, long non-coding RNAs, and circular RNAs play key roles in the regulation of the Wnt signaling pathway in PCa. Aberrant expression of these ncRNAs and dysregulation of the Wnt signaling pathway are one of the causes of cell proliferation, apoptosis, invasion, migration, and angiogenesis in PCa. Moreover, these ncRNAs affect the characteristics of PCa cells and hold promise as diagnostic and prognostic biomarkers. Herein, we summarize the role of ncRNAs in the regulation of the Wnt signaling pathway during the development of PCa. Additionally, we present an overview of the current progress in research on the correlation between these molecules and clinical features of the disease to provide novel insights and strategies for the treatment of PCa.
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Affiliation(s)
| | | | - Jiyu Tian
- Department of Gastroenterology, The Fourth Affiliated Hospital of China Medical University, Shenyang, Liaoning, China
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13
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Wang Y, Bu T, Cao Y, Wu H, Xi J, Feng Q, Xuan C, Wang L. A Versatile PdRu Bimetallic Nanoenzyme-Integrated Enzyme-Linked Immunosorbent Assay for Highly Sensitive Escherichia coli O157:H7 Detection. Anal Chem 2023. [PMID: 37232263 DOI: 10.1021/acs.analchem.3c00743] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Nanozymes have drawn much attention as an enzyme mimetic with low cost and stability in enhancing analytical performance. Herein, a peroxidase-mimicking nanozyme-improved enzyme-linked immunosorbent assay (ELISA) was developed employing the bimetallic PdRu nanozyme to replace the natural enzymes as a catalytic carrier for the sensing of Escherichia coli O157:H7 (E. coli O157:H7). The PdRu nanozyme displayed ultrahigh catalytic activity, possessing a catalytic rate that was 5-fold higher than horseradish peroxidase (HRP). In addition, PdRu exhibited great biological affinity with antibody (affinity constant was about 6.75 × 1012 M) and high stability. All those advantages ensure the successful establishment and the construction of a novel colorimetric biosensor for E. coli O157:H7 detection. PdRu-based ELISA not only achieved an ultrasensitive detection sensitivity (8.7 × 102 CFU/mL) by approximately 288-fold as compared to the traditional HRP-based ELISA and also possessed satisfactory specificity and reproducibility (relative standard deviation (RSD) < 10%). Furthermore, the feasibility of PdRu-ELISA was further evaluated by detecting E. coli O157:H7 in actual samples with satisfactory recoveries, indicating its potential for applications in bioassays and clinical diagnostics.
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Affiliation(s)
- Ying Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
- College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, Henan, China
| | - Yuanyuan Cao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Haiyu Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Jia Xi
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Qinlin Feng
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Chenyu Xuan
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
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14
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Li R, Shang M, Zhe T, Li M, Bai F, Xu Z, Bu T, Li F, Wang L. Sn/MoC@NC hollow nanospheres as Schottky catalyst for highly sensitive electrochemical detection of methyl parathion. J Hazard Mater 2023; 447:130777. [PMID: 36689901 DOI: 10.1016/j.jhazmat.2023.130777] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 01/04/2023] [Accepted: 01/10/2023] [Indexed: 06/17/2023]
Abstract
Developing electrode materials with excellent electrocatalytic properties for detecting pesticide residues plays a vital role in the safety of agricultural products and environmental applications. Herein, we designed a new electrochemical sensor on the basis of N-doped carbon hollow nanospheres modified with Sn/MoC Schottky junction (Sn/MoC@NC) for methyl parathion (MP) detection. The Sn/MoC@NC was prepared by self-assembled polymerization-anchoring strategy and high-temperature carbonization design. Sn/MoC Schottky junction and hollow nanosphere structure endow Sn/MoC@NC with a larger surface area, more active sites, and faster electron transfer, which is beneficial to enhancing its electrocatalytic performance. The structural characterizations and physicochemical properties of Sn/MoC@NC were explored through various microscopy, spectroscopic and electrochemical techniques. The experimental results confirmed that the calibration curve for current and MP concentration (0.05-10 μg/mL) was available under optimized conditions, and the sensitivity and detection limit were respectively determined to be 9.02 μA μM1 cm2 and 8.9 ng/mL. Furthermore, the constructed sensor displayed excellent selectivity, repeatability, and stability, which qualified it for use in detecting MP in grapes and tap water with satisfactory recovery. This work may provide some interesting prospects for constructing high-performance electrocatalysts for MP detection.
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Affiliation(s)
- Ruixia Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Minghui Shang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Taotao Zhe
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Mingyan Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Zhihao Xu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Fan Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
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15
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Liu X, Chen Y, Bu T, Deng Z, Zhao L, Tian Y, Jia C, Li Y, Wang R, Wang J, Zhang D. Nanosheet antibody mimics based label-free and dual-readout lateral flow immunoassay for Salmonella enteritidis rapid detection. Biosens Bioelectron 2023; 229:115239. [PMID: 36965382 DOI: 10.1016/j.bios.2023.115239] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 03/14/2023] [Accepted: 03/17/2023] [Indexed: 03/27/2023]
Abstract
Portable devices for on-site foodborne pathogens detection are urgently desirable. Lateral flow immunoassay (LFIA) provides an efficient strategy for pathogens detection, however, antibody labeling independence and detection reliability, are still challenging. Here, we report the development of a label-free LFIA with dual-readout using glucan-functionalized two-dimensional (2D) transition metal dichalcogenides (TMDs) tungsten disulfide (WS2) as detection probes for sensitive detection of Salmonella enteritidis (S. enteritidis). In particular, glucan-functionalized WS2, synthesized via liquid exfoliation, are reliable detection antibody candidates which served as antibody mimics for bacteria capturing. This LFIA has not only eliminated the intricate antibody labeling process and screening of paired antibodies in conventional LFIAs, but also promised dual-readout (colorimetric/Raman) for flexible detection. Under optimized conditions, this LFIA achieves selective detection of S. enteritidis with a low visual detection limit of 103 CFU/mL and a broad linear range of 103-108 CFU/mL. Additionally, the LFIA could be successfully applied in drinking water and milk with recoveries of 85%-109%. This work is desirable to expand the application of 2D TMDs in biosensors and offers a brand-new alternative protocol of detection antibodies in foodborne pathogens detection.
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Affiliation(s)
- Xiaojing Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yaqian Chen
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Tong Bu
- College of Food Science and Technology, Henan Agricultural University, 63 Nongye Road, Zhengzhou, Henan, 450002, China
| | - Ziai Deng
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Lei Zhao
- Bio-Nanotechnology Research Institute, Ludong University, Yantai, 264025, Shandong, China.
| | - Yanli Tian
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Conghui Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yuechun Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Rong Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Jianlong Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Daohong Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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16
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Li M, Zhe T, Li R, Bai F, Jia P, Xu Z, Wang X, Bu T, Wu H, Wang L. ZIF-derived Co nanoparticles embedded into N-doped carbon nanotube composites for highly efficient electrochemical detection of nitrofurantoin in food. Food Chem 2023; 418:135948. [PMID: 36944309 DOI: 10.1016/j.foodchem.2023.135948] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 01/25/2023] [Accepted: 03/11/2023] [Indexed: 03/17/2023]
Abstract
Designing efficient and sensitive methods for the detection of nitrofurantoin (NFT) residues is of great importance for food safety and environmental protection. Herein, a composite with cobalt nanoparticles encapsulated in nitrogen-doped carbon nanotube (N/Co@CNTs@CC-II) was synthesized by in-situ growth and sublimation-gas phase transformation strategy and used to establish an ultrasensitive electrochemical sensor for NFT determination. The N/Co@CNTs@CC-II sensor exhibits uniform N doping, fine hollow structure, and abundant active metal sites, which lays a solid foundation for the ultra-sensitive detection of NFT. Benefiting from these advantages, the N/Co@CNTs@CC-II exhibits excellent sensitivity (8.19 μA μM-1 cm-2) and low detection limit (18.41 nM) for NFT detection. The practical feasibility of N/Co@CNTs@CC-II was also demonstrated by the determination of NFT in milk and tap water samples. This study may open up new opportunities for the application of N-doped carbon nanotube materials encapsulating transition metals.
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Affiliation(s)
- Mingyan Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Taotao Zhe
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Ruixia Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Pei Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Zhihao Xu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Xin Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Haiyu Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China.
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17
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Wu H, Bu T, Cao Y, Wang Y, Xi J, Li M, Li R, Jia P, Wang L. Double-Enzyme Active Vanadium Nanospheres-Mediated Ratiometric Multicolor Immunosensors for Sensitive Detection of the T-2 Toxin. Anal Chem 2023; 95:5275-5284. [PMID: 36898021 DOI: 10.1021/acs.analchem.2c05197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
Owing to its high throughput, simplicity, and rapidity, enzyme-linked immunosorbent assay (ELISA) has attracted much attention in the field of immunoassays. However, the traditional ELISA usually affords a single signal readout and the labeling ability of the enzyme used is poor, resulting in low accuracy and a limited detection range. Herein, a vanadium nanospheres (VNSs)-mediated competitive ratio nanozymes-linked immunosorbent assay (VNSs-RNLISA) was created for the sensitive detection of the T-2 toxin (T-2). As the key to the biosensor, the VNSs with superoxide dismutase-like and peroxidase-like dual-enzyme mimetic activities were synthesized by a one-step hydrothermal method, which oxidized 1,1-diphenyl-2-picryl-hydrazyl fading and catalyzed 3,3',5,5'-tetramethylbenzidine (TMB) color development. Therefore, T-2 could not only be qualitatively measured with the naked eye but also be quantitatively evaluated by monitoring the ratio of absorbance at 450 and 517 nm wavelengths. Moreover, the characterization of a VNSs-labeled antibody probe showed strong dual-enzymatic activity, excellent stability, and high affinity with T-2 [the affinity constant (ka) was approximately 1.36 × 108 M-1], which can significantly improve the detection sensitivity. The limit of detection of VNSs-RNLISA was 0.021 ng/mL, which was approximately 27-fold more sensitive than the single signal nanozymes-linked immunosorbent assay (0.561 ng/mL). Besides, the change in the ratio of absorbance (Δ450/Δ517) decreased linearly in a range of 0.22-13.17 ng/mL, outperforming the detection range of a single-mode nano-enzyme-linked immunosorbent assay using TMB by a factor of 1.6 times. Furthermore, the VNSs-RNLISA was successfully used to identify T-2 in maize and oat samples, with recoveries ranging from 84.216 to 125.371%. Overall, this tactic offered a promising platform for the quick detection of T-2 in food and might broaden the application range of the enzyme-linked immunosorbent assay.
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Affiliation(s)
- Haiyu Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China.,Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China.,College of Food Science and Technology, Henan Agricultural University, Zhengzhou 450002, Henan, China
| | - Yuanyuan Cao
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China.,Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Ying Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China.,Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Jia Xi
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China.,Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Mingyan Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China.,Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Ruixia Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China.,Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Pei Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China.,Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China.,Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
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18
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Li R, Zhe T, Bai F, Xu Z, Li M, Bu T, Li F, Fang H, Wang L, Lü X. Hierarchical SnO2 nanoparticles designed based on in situ derivatization strategy for rapid and sensitive imidacloprid detection. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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19
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Zhao S, Xu Z, Bu T, Hu X, Cao J, Hou J, Bai F, Zhang R, Wang L, Zhang G. Iridium (IV) oxide-mediated microorganism nanozyme amplified immunochromatographic assay for dual-signal sensitive detection of salbutamol. Food Control 2023. [DOI: 10.1016/j.foodcont.2022.109481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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20
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Wang Y, Zhang M, Bu T, Bai F, Zhao S, Cao Y, He K, Wu H, Xi J, Wang L. Immunochromatographic Assay based on Sc-TCPP 3D MOF for the rapid detection of imidacloprid in food samples. Food Chem 2023; 401:134131. [PMID: 36103740 DOI: 10.1016/j.foodchem.2022.134131] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 08/31/2022] [Accepted: 09/03/2022] [Indexed: 12/29/2022]
Abstract
In this work, a highly sensitive immunochromatographic test strip (ITS) based on Scandium-Tetrakis (4-carboxyphenyl) porphyrin (TCPP) metal-organic framework nanocubes (ScTMNs) was developed for ultrasensitive and facile visual determination of imidacloprid (IDP). TCPP as the porphyrin-based planar ligand and Sc3+ as the metal center were applied to form the ScTMNs via coordination chelation. Giving the credit to its excellent optical characteristics, strong affinity with monoclonal antibodies, and favorable biocompatibility, the ScTMNs was selected as a signal tag. Under optimized conditions, the ITS exhibited a great liner relationship in the range of 0.04-3 ng/mL and the detection limit was 0.04 ng/mL for the IDP detection. Additionally, IDP was successfully detected in tomatoes, millet, corn and carrot samples with satisfied recoveries. To the best of our knowledge, this is the first time that ScTMNs have been used in immunochromatography which are expected to have potential applications in detection of other substances.
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Affiliation(s)
- Ying Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Meng Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Shuang Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yuanyuan Cao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Kunyi He
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Haiyu Wu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Jia Xi
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
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21
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Shu R, Liang Y, Liu S, Dou L, Bu T, Wang S, Lan X, Zhang D, Sun J, Zhu M, Wang J. "From food waste to food supervision"-Cuttlefish Ink Natural Nanoparticles-Driven Dual-mode Lateral Flow Immunoassay for Advancing Point-of-Care Tests. Biosens Bioelectron 2023; 219:114807. [PMID: 36327557 DOI: 10.1016/j.bios.2022.114807] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Accepted: 10/10/2022] [Indexed: 11/19/2022]
Abstract
Apart from the obvious benefit of "trash-to-treasure", the acquisition of natural nanomaterials from cheap and renewable waste has been intensively researched because of various bioactivities and physical-chemical features. Herein, for the first time, we employed natural cuttlefish ink nanoparticles (CINPs) as a multifunctional label and designed colorimetric-photothermal dual-mode lateral flow immunoassays (CINPs-mediated CPLFIA) for sensitive detection of clenbuterol (CL). The accessibility and renewability of CINPs overcome barriers that artificial nanomaterials face, such as complex manufacturing and relatively high costs. Additionally, inspired by the mussel adhesion, the bio-affinity of CINPs, such as antibody coupling and preservation, was investigated and showed to be considerably superior to Au NPs, leading to significantly increased immunosensor sensitivity. Meanwhile, CINPs exhibit excellent photothermal conversion efficiency for dual-signal production, avoiding the effect of environmental elements (particularly light) for colorimetric mode. Besides, the biosensor was integrated with a smartphone and a thermal imager for portable sensing. After optimization, the detection limit of CINPs-mediated CPLFIA was 0.179 ng mL-1 (colorimetric mode) and 0.076 ng mL-1 (photothermal mode), which were significantly lower than traditional gold nanoparticles-based LFIA (0.786 ng mL-1). This research attempted to explain the rise in sensitivity. From food waste to food supervision, this research explores the hidden value of natural resources.
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Affiliation(s)
- Rui Shu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Yanmin Liang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Sijie Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Leina Dou
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, And Beijing Laboratory for Food Quality and Safety, Beijing, 100193, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Shaochi Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Xi Lan
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Daohong Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Jing Sun
- Qinghai Provincial Key Laboratory of Qinghai-Tibet Plateau Biological Resources, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Qinghai, 810008, China
| | - Mingqiang Zhu
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, 712100, China
| | - Jianlong Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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22
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Liu S, Luo X, Shu R, Liao Y, Dou L, Bu T, Wang S, Li Y, Sun J, Zhang D, Zhu M, Wang J. Engineered Core-Shell Multifunctional Nano-Tracer in Raman-Silent Region with Highly Retained Affinity to Enhance Lateral Flow Immunoassays. Small 2022; 18:e2204859. [PMID: 36161770 DOI: 10.1002/smll.202204859] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 09/08/2022] [Indexed: 06/16/2023]
Abstract
Stimulated surface-enhanced Raman scattering (SERS) in combination with engineered nano-tracer offers extraordinary potential in lateral flow immunoassays (LFIAs). Nonetheless, the investigation execution of SERS-LFIA is often compromised by the intricacy and overlap of the Raman fingerprint spectrum as well as the affinity-interference of nano-tracer to antibody. To circumvent these critical issues, an engineered core-shell multifunctional nano-tracer (named APNPs) with precise control of the size of nano-core (AuNPs) and coating of the nano-shell (Prussian blue nanomaterials) is prepared for SERS-LFIA via a modified enlarging particle size and coating modification strategy. Importantly, this nano-tracer exhibits enhanced coupling efficiency, highly retained affinity, reinforced colloid stability, and unique SERS signal (2156 cm-1 ) in the silent region (1800-2800 cm-1 ) with high signal-to-background ratio simultaneously, all of which are beneficial to the enhancement of the analysis performance. With a proof-of-concept demonstration for detection of ractopamine (RAC), a dual-pattern LFIA that synergizes both the enlarged particle size and coating modification supported colorimetric/biological silence Raman dual-response (coined as the ECCRD assay) is demonstrated by integrating APNPs with the competitive-type immunoreaction. This research may contribute to the rational design of multifunctional nano-tracer, and the ECCRD assay can be expanded for a wide spectrum of applications in environmental monitoring and biomedical diagnosis.
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Affiliation(s)
- Sijie Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Xing Luo
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Rui Shu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Yangjun Liao
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Leina Dou
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing Laboratory for Food Quality and Safety, Beijing, 100193, P. R. China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Shaochi Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Yuechun Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Jing Sun
- Qinghai Key Laboratory of Qinghai-Tibet Plateau Biological Resources, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, Qinghai, 810008, P. R. China
| | - Daohong Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
| | - Mingqiang Zhu
- College of Mechanical and Electronic Engineering, Northwest A&F University, Yangling, 712100, P. R. China
| | - Jianlong Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, 712100, P. R. China
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23
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Wang D, Bu T, Li Y, He Y, Yang F, Zou L. Pharmacological Activity, Pharmacokinetics, and Clinical Research Progress of Puerarin. Antioxidants (Basel) 2022; 11:2121. [PMID: 36358493 PMCID: PMC9686758 DOI: 10.3390/antiox11112121] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/22/2022] [Accepted: 10/26/2022] [Indexed: 09/01/2023] Open
Abstract
As a kind of medicine and food homologous plant, kudzu root (Pueraria lobata (Willd.) Ohwi) is called an "official medicine" in Chinese folk medicine. Puerarin is the main active component extracted from kudzu root, and its structural formula is 8-β-D-grapes pyranose-4, 7-dihydroxy isoflavone, with a white needle crystal; it is slightly soluble in water, and its aqueous solution is colorless or light yellow. Puerarin is a natural antioxidant with high health value and has a series of biological activities such as antioxidation, anti-inflammation, anti-tumor effects, immunity improvement, and cardio-cerebrovascular and nerve cell protection. In particular, for the past few years, it has also been extensively used in clinical study. This review focuses on the antioxidant activity of puerarin, the therapy of diverse types of inflammatory diseases, various new drug delivery systems of puerarin, the "structure-activity relationship" of puerarin and its derivatives, and pharmacokinetic and clinical studies, which can provide a new perspective for the puerarin-related drug research and development, clinical application, and further development and utilization.
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Affiliation(s)
- Di Wang
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Tong Bu
- School of Public Health, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Yangqian Li
- Asset and Laboratory Management Department, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Yueyue He
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Fan Yang
- Academic Affairs Office, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Liang Zou
- Key Laboratory of Coarse Cereal Processing, Ministry of Agriculture and Rural Affairs, Chengdu University, Chengdu 610106, China
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24
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Wang X, Li L, Li L, Bu T, Yang K, Xia J, Sun X, Jiang H, Wang L. Tris(bipyridine)ruthenium(II)-functionalized metal-organic frameworks for the ratiometric fluorescence determination of aluminum ions. Mikrochim Acta 2022; 189:402. [PMID: 36190561 DOI: 10.1007/s00604-022-05504-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Accepted: 09/19/2022] [Indexed: 10/10/2022]
Abstract
A novel ratiometric fluorescence probe was designed for the determination of Al3+ by self-assembling of NH2-MIL-101(Fe) and [Ru(bpy)3]2+. Under the excitation wavelength of 360 nm, the NH2-MIL-101(Fe)@[Ru(bpy)3]2+ presented a dual-emitting luminescent property at 440 and 605 nm, respectively. In the presence of Al3+, the blue fluorescence of NH2-MIL-101(Fe)@[Ru(bpy)3]2+ at 440 nm was enhanced remarkably, while the red emission at 605 nm was almost not influenced. Therefore, taking the fluorescence at 440 nm as the report signal and 605 nm as the reference signal, quantitative determination was achieved for Al3+ concentration in the ranges 0.2-25 μM and 25-250 μM. The limit of detection (LOD) and limit of quantification (LOQ) were calculated to be 73 nM and 244 nM, respectively. The sensing mechanisms were studied by theoretical calculation and optical spectra. The analysis of real food samples confirmed the suitability of the proposed method. More importantly, portable fluorescent test papers were successfully manufactured to provide a strategy for visual, rapid, and on-site detection of Al3+.
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Affiliation(s)
- Xin Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Longwen Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Lihua Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Kairong Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Junfang Xia
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Xinyu Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Hong Jiang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, People's Republic of China.
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25
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Li M, Zhe T, Li F, Li R, Bai F, Jia P, Bu T, Xu Z, Wang L. Hybrid structures of cobalt-molybdenum bimetallic oxide embedded in flower-like molybdenum disulfide for sensitive detection of the antibiotic drug nitrofurantoin. J Hazard Mater 2022; 435:129059. [PMID: 35650728 DOI: 10.1016/j.jhazmat.2022.129059] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 04/24/2022] [Accepted: 04/30/2022] [Indexed: 06/15/2023]
Abstract
Excessive residues of nitrofurantoin (NFT) can cause serious contamination of water bodies and food, and potential harm to ecosystems and food safety. Given that, rapid and efficient detection of NFT in real samples is of particular importance. MoS2 is a promising electrochemical material for this application. Here, MoS2 was modulated by Metal-organic framework through the interfacial microenvironment to enhance the catalytic activity and carbonized to form Co2Mo3O8 nanosheets with high electrical activity. The resulting Co2Mo3O8/MoS2 hybrid structure can be used to prepare highly sensitive NFT electrochemical sensor. The Co2Mo3O8/MoS2@CC electrochemical sensor exhibits strong electrochemical properties due to its fast electron transfer, excellent electrical conductivity, abundant defect sites, and high redox response. Based on this, this electrochemical sensor exhibited excellent electrocatalytic activity for NFT with a wide linear detection range, low detection limit, and high sensitivity. Moreover, the electrode was successfully applied to detect NFT in milk, honey, and tap water, strongly confirming its potential in real samples. This work could furnish the evidence for interfacial microenvironmental regulation of MoS2, and also offer a novel candidate material for NFT sensing.
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Affiliation(s)
- Mingyan Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Taotao Zhe
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Fan Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Ruixia Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Pei Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Zhihao Xu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
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26
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Bai F, Bu T, Zhao S, He K, Zhang H, Li R, Li M, Wang Y, Wang L. Golf-shaped Bi 2Se 3 microparticles based-immunochromatographic strip for ultrasensitive detection of Acetamiprid. J Hazard Mater 2022; 433:128810. [PMID: 35381511 DOI: 10.1016/j.jhazmat.2022.128810] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Revised: 03/18/2022] [Accepted: 03/25/2022] [Indexed: 06/14/2023]
Abstract
Rapid and sensitive detection of pesticide is of significance to the field of food safety and human health, but it is still challenging due to interferents from complex food matrices. Herein, a superb golf-shaped Bi2Se3 microparticles-based immunochromatographic strip (BS MPs-ICS) was constructed for ultrasensitive detection of acetamiprid (ATM). The novel immune signal tag demonstrated outstanding luminance, excellent biocompatibility, and high affinity with ATM (affinity constant was 3.874 ×107 M-1), which not only possessed a preeminent labeling efficiency but also significantly improved detection sensitivity. After optimization, the limit of detection (LOD) of the BS MPs-ICS was 8.780 pg/mL with an excellent linear relationship at the range of 0.010-6.000 ng/mL, which was approximately 62-fold lower than that of conventional gold nanoparticles-ICS (0.545 ng/mL), The BS MPs-ICS biosensor was well applied in apple and tomato samples with satisfactory recoveries of 83.823-99.223% (relative standard deviation < 1.739%). Therefore, the BS MPs-ICS could serve as a promising candidate for ATM detection in complicated samples and develop a new method in real-time monitoring.
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Affiliation(s)
- Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Shuang Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Kunyi He
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Hui Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Ruixia Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Mingyan Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Ying Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China; Shenzhen Research Institute, Northwest A&F University, Shenzhen 518000, China.
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27
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Xia J, Bu T, Jia P, He K, Wang X, Sun X, Wang L. Polydopamine nanospheres-assisted direct PCR for rapid detection of Escherichia coli O157:H7. Anal Biochem 2022; 654:114797. [DOI: 10.1016/j.ab.2022.114797] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 06/22/2022] [Indexed: 11/01/2022]
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28
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Li L, Sun X, Dong M, Zhang H, Wang J, Bu T, Zhao S, Wang L. NIR-regulated dual-functional silica nanoplatform for infected-wound therapy via synergistic sterilization and anti-oxidation. Colloids Surf B Biointerfaces 2022; 213:112414. [PMID: 35183998 DOI: 10.1016/j.colsurfb.2022.112414] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 01/30/2022] [Accepted: 02/13/2022] [Indexed: 12/24/2022]
Abstract
Nature-derived bioactive components and photothermal synergistic therapy bring potential strategies for fighting bacterial infection and accelerating would healing by virtue of their excellent therapeutic efficiencies and ignorable side effects, where photothermal property not only acts as sterilization energy but also as a doorkeeper to control the natural component release. Herein, by integrating the excellent antibacterial property of cinnamaldehyde (CA) and the outstanding photothermal performance of copper sulfide nanoparticles (CuS NPs), a multifunctional nanoplatform of SiO2 @CA@CuS nanospheres (NSs) is constructed with silica nanosphere (SiO2 NSs) as carrier. SiO2 @CA@CuS NSs exhibit photothermal property, bacterial absorption capacity, extraordinary antibacterial activity and antioxidant property. Mechanism characteriazation and antibacterial experiment indicate that positive charged SiO2 @CA@CuS can adhere to the negative charged surface of bacteria, and quickly kill bacteria through the synergistic action of the released CA and heat produced under near infrared light (NIR) irradiation at 980 nm. The sterilization efficiencies for Escherichia coli (E. coli) and S. aureus reach 99.86% and 99.84%, respectively. Furthermore, NIR-regulated SiO2 @CA@CuS perform great biocompatibility, as well as effective effects for accelerating S. aureus-infected wound healing at a low photothermal temperature (45 °C) relying on synergistic sterilization and anti-oxidation.
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Affiliation(s)
- Lihua Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Xinyu Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Mengna Dong
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Hui Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Jiao Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Shuang Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China.
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29
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Zhang Y, Bu T, Zhang J, Tang S, Yu Z, Liu JK, Huang T. Decoding Pixel-Level Image Features from Two-Photon Calcium Signals of Macaque Visual Cortex. Neural Comput 2022; 34:1369-1397. [PMID: 35534008 DOI: 10.1162/neco_a_01498] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 12/20/2021] [Indexed: 11/04/2022]
Abstract
Images of visual scenes comprise essential features important for visual cognition of the brain. The complexity of visual features lies at different levels, from simple artificial patterns to natural images with different scenes. It has been a focus of using stimulus images to predict neural responses. However, it remains unclear how to extract features from neuronal responses. Here we address this question by leveraging two-photon calcium neural data recorded from the visual cortex of awake macaque monkeys. With stimuli including various categories of artificial patterns and diverse scenes of natural images, we employed a deep neural network decoder inspired by image segmentation technique. Consistent with the notation of sparse coding for natural images, a few neurons with stronger responses dominated the decoding performance, whereas decoding of ar tificial patterns needs a large number of neurons. When natural images using the model pretrained on artificial patterns are decoded, salient features of natural scenes can be extracted, as well as the conventional category information. Altogether, our results give a new perspective on studying neural encoding principles using reverse-engineering decoding strategies.
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Affiliation(s)
- Yijun Zhang
- Department of Computer Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240.,Department of Computer Science and Technology, Peking University, Peking 100871, P.R.C.
| | - Tong Bu
- Department of Computer Science and Technology, Peking University, Beijing 100871, P.R.C.
| | - Jiyuan Zhang
- Department of Computer Science and Technology, Peking University, Beijing 100871, P.R.C.
| | - Shiming Tang
- School of Life Sciences and Peking-Tsinghua Center for Life Sciences, Peking University, Beijing 100871, P.R.C.
| | - Zhaofei Yu
- Department of Computer Science and Technology and In stitute for Artificial Intelligence, Peking University, Beijing 100871, P.R.C.
| | - Jian K Liu
- School of Computing, University of Leeds, Leeds LS2 9JT, U.K.
| | - Tiejun Huang
- Department of Computer Science and Technology and Institute for Artificial Intelligence, Peking University, Beijing 100871, P.R.C.,Beijing Academy of Artificial Intelligence, Beijing 100190, P.R.C.
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30
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Bu T, Bai F, Zhao S, Sun X, Jia P, He K, Wang Y, Li Q, Wang L. Dual-Modal Immunochromatographic Test for Sensitive Detection of Zearalenone in Food Samples Based On Biosynthetic Staphylococcus aureus-Mediated Polymer Dot Nanocomposites. Anal Chem 2022; 94:5546-5554. [PMID: 35348339 DOI: 10.1021/acs.analchem.1c04721] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The rapid detection of toxins is of great significance to food security and human health. In this work, a dual-modality immunochromatographic test (DICT) mediated by Staphylococcus aureus (SA)-biosynthesized polymer dots (SABPDs) was constructed for sensitive monitoring of zearalenone (ZEN) in agro products. The SABPDs as potent microorganism nanoscaffolds with excellent solubility, brightness, and stability were ingeniously fabricated employing hydroquinone and SA as precursors in the Schiff base reaction and a self-assembly technique. Thanks to the fact that they not only preserved an intact microsphere for loading Fc regions of monoclonal antibodies (mAbs) and the affinity of their labeled mAbs to antigen but also generated superb colorimetric-fluorescent dual signals, the versatile SABPDs manifested unique possibilities as the new carriers for dual-readout ICT with remarkable enhancement in sensitivity in ZEN screening (limit of detection = 0.036 ng/mL, which was 31-fold lower than that of traditional gold nanoparticle-based ICT). Ultimately, the proposed immunosensor performed well in millet and corn samples with satisfactory recoveries, demonstrating its potential for point-of-care testing. This work offers a bio-friendly strategy for biosynthesizing cell-based PD vehicles with bimodal signals for food safety analysis.
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Affiliation(s)
- Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.,Shenzhen Research Institute Northwest A&F University, Shenzhen 518000, Guangdong, China
| | - Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.,Shenzhen Research Institute Northwest A&F University, Shenzhen 518000, Guangdong, China
| | - Shuang Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.,Shenzhen Research Institute Northwest A&F University, Shenzhen 518000, Guangdong, China
| | - Xinyu Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.,Shenzhen Research Institute Northwest A&F University, Shenzhen 518000, Guangdong, China
| | - Pei Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.,Shenzhen Research Institute Northwest A&F University, Shenzhen 518000, Guangdong, China
| | - Kunyi He
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.,Shenzhen Research Institute Northwest A&F University, Shenzhen 518000, Guangdong, China
| | - Ying Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.,Shenzhen Research Institute Northwest A&F University, Shenzhen 518000, Guangdong, China
| | - Qing Li
- College of Food Science and Engineering, The Test Center, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.,Shenzhen Research Institute Northwest A&F University, Shenzhen 518000, Guangdong, China
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Hou J, Jia P, Yang K, Bu T, Zhao S, Li L, Wang L. Fluorescence and Colorimetric Dual-Mode Ratiometric Sensor Based on Zr-Tetraphenylporphyrin Tetrasulfonic Acid Hydrate Metal-Organic Frameworks for Visual Detection of Copper Ions. ACS Appl Mater Interfaces 2022; 14:13848-13857. [PMID: 35286802 DOI: 10.1021/acsami.1c23199] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
As a special heavy metal ion, copper ions (Cu2+) play an indispensable role in the fields of environmental protection and safety. Their excessive intake not only easily leads to diseases but also affects human health. Therefore, it is particularly important to construct a facile, effective, and highly selective Cu2+ probe. Herein, a novel Zr-tetraphenylporphyrin tetrasulfonic acid hydrate (TPPS) metal-organic framework (ZTM) was fabricated using TPPS as the ligand and exhibited strong red fluorescence with a high quantum yield of 12.22%. In addition, we designed a ratiometric fluorescent probe by introducing green fluorescein isothiocyanate (FITC), which was not subject to environmental interference and had high accuracy. When exposed to different amounts of Cu2+, the fluorescence emission at 667 nm from ZTMs is remarkably quenched, while that at 515 nm from FITC is enhanced, accompanied by a change in the solutions' fluorescence color from red to green under a UV lamp. Besides, the ZTMs solutions display an excellent ratiometric colorimetric response for Cu2+ and produce an obvious color change (from green to colorless) that is visible to the naked eye. The fabricated ZTMs@FITC fluorescent probe exhibits distinguished performance for Cu2+ detection with linear ranges of 0.1 to 5 μM and 5 to 50 μM, as well as a low detection limit of 5.61 nM. Moreover, a colorimetric sensor based on ZTMs exhibits a good linear range from 0.1 to 20 μM for Cu2+ with the detection limit of 4.96 nM. Furthermore, the dual-signal ratiometric sensor has significant specificity for Cu2+ and is successfully applied for monitoring Cu2+ in water samples, which proves its practical application value in the environment and biological systems.
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Affiliation(s)
- Jinjie Hou
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Pei Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Kairong Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Shuang Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Longwen Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Xianyang, Shaanxi 712100, China
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He K, Bu T, Zheng X, Xia J, Bai F, Zhao S, Sun XY, Dong M, Wang L. "Lighting-up" methylene blue-embedded zirconium based organic framework triggered by Al 3+ for advancing the sensitivity of E. coli O157:H7 analysis in dual-signal lateral flow immunochromatographic assay. J Hazard Mater 2022; 425:128034. [PMID: 34896715 DOI: 10.1016/j.jhazmat.2021.128034] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 11/26/2021] [Accepted: 12/06/2021] [Indexed: 06/14/2023]
Abstract
The sensitive detection of foodborne pathogens is of great significance for ensuring food safety and quality. Herein, on the basis of methylene blue-embedded zirconium based organic framework (UIO@MB) as the remarkable capture carrier and signal indicator, with the Al3+-assisted the fluorescent signal response, we developed a label-free and dual-signal lateral flow immunochromatographic assay (LDLFIA) for sensitive detection of Escherichia coli (E. coli) O157:H7. The UIO@MB sensing carrier without monoclonal antibodies (mAbs) was manufactured, which adhered to bacteria to form the UIO@MB-E. coli O157:H7 conjugate, resulting in visible blue band. Then the fluorescent response of the OH-rich UIO@MB was excited by introducing Al3+, arising from capturing of Al3+ by -OH through coordination and electrostatic affinity, thus generating a green fluorescent band. Impressively, a smartphone-based portable reading system was developed that can reflect the test results of UIO@MB-LDLFIA immediately. Under optimum conditions, UIO@MB-LDLFIA can complete colorimetric and fluorescent mode detection within 90 min, with a detection sensitivity of 103 CFU/mL, which were 100 times lower than traditional gold nanoparticles-based LFIA and polymerase chain reaction (PCR). Moreover, the feasibility of the method was further evaluated by the determination of E. coli O157: H7 in drinking water and cabbage with average recoveries of 85.1-123.0%.
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Affiliation(s)
- Kunyi He
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xiaohan Zheng
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Junfang Xia
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Shuang Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xin Yu Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Mengna Dong
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
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Bai F, Bu T, Li R, Zhao S, He K, Li M, Zhang H, Zhang Y, Zhang L, Wang Y, Wang L. Rose petals-like Bi semimetal embedded on the zeolitic imidazolate frameworks based-immunochromatographic strip to sensitively detect acetamiprid. J Hazard Mater 2022; 423:127202. [PMID: 34536846 DOI: 10.1016/j.jhazmat.2021.127202] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/27/2021] [Accepted: 09/08/2021] [Indexed: 06/13/2023]
Abstract
Ultrasensitive and facile detection of Acetamiprid (ACE) is of exceptional significance to assess the environmental and biological pollution. In this study, an advanced Bi semimetal/Zeolitic imidazolate frameworks hybrid material-based immunochromatographic strip (Bi/ZIF HM-ICS) sensor was developed for the sensitive detection of ACE. The novel Bi/ZIF HM was prepared through one-pot hydrothermal reduction of Bi nanoparticles on ZIF, which was selected as a signal tag taking advantages of its excellent color intensity, strong affinity with monoclonal antibodies (mAbs), and favorable biocompatibility. Bi/ZIF HM could not only improve the utilization efficiency of mAbs but also boost the sensing performance. Under optimal conditions, the limit of detection (LOD) of the Bi/ZIF HM-ICS was 4.68 pg/mL with the linear range from 0.01 ng/mL to 6 ng/mL, which was 98-fold lower than that of traditional gold nanoparticles-based ICS (0.457 ng/mL), and the recoveries of the Bi/ZIF HM-ICS ranged from 80.27% to 118.52% with the relative standard deviation (RSD) below 3.67% in pear, apple, tomato, and cucumber. Overall, the practical application of the Bi/ZIF HM-ICS in complicated samples was realized for detecting pesticide residue, and expanding its application scope in monitoring environment.
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Affiliation(s)
- Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Ruixia Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Shuang Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Kunyi He
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Mingyan Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Hui Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yalan Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Lin Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Ying Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
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Bu T, Yu X, Zhang XR, Li J, Wang LN, Zhang F, Zhang YQ. [Analysis of heavy metal pollution in Lonicerae Japonicae Flos and its health risk assessment]. Zhongguo Zhong Yao Za Zhi 2022; 47:643-650. [PMID: 35178946 DOI: 10.19540/j.cnki.cjcmm.20211106.102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
In this study, the content of five heavy metals(Pb, Cd, As, Hg, and Cu) in 59 batches of Lonicerae Japonicae Flos(LJF) medicinal materials and pieces were determined by inductively coupled plasma mass spectrometry(ICP-MS). The health risk assessment was processed using the maximum estimated daily intake(EDI), target hazard quotients(THQ), and carcinogenic risks(CR) assessment models. With reference to the limit standard for heavy metal content in LJF specified in 2020 edition of Chinese Pharmacopoeia, five batches produced in Hebei were found to contain excessive Pb, and the remaining 54 batches met the specifications, with the unqualified rate of 8.47%. Comparative analysis of heavy metal content in LJF samples from three different producing areas, namely Shandong, Henan, and Hebei showed that the levels of Pb, As, and Hg in LJF from Hebei were significantly higher than those from Henan and Shandong. The samples produced in Shandong contained the highest content of Cd. The samples from Hebei contained the highest content of Cu while those from Shandong had the lowest content of Cu. As demonstrated by health risk assessment based on the EDI, THQ and CR models, these 59 batches of LJF samples did not cause significant health hazards for the exposed population, and there was no potential non-carcinogenic or carcinogenic risk. In conclusion, a few of LJF samples contained excessive heavy metals, so some measures, including controlling production environment, cultivating management mode, and optimizing processing methods, should be taken for ensuring the medication safety of LJF.
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Affiliation(s)
- Tong Bu
- College of Pharmacy, Shandong University of Traditional Chinese Medicine Ji'nan 250355, China
| | - Xiao Yu
- Shandong Medicine Technician College Taian 271016, China
| | - Xin-Rui Zhang
- College of Pharmacy, Shandong University of Traditional Chinese Medicine Ji'nan 250355, China
| | - Jia Li
- College of Pharmacy, Shandong University of Traditional Chinese Medicine Ji'nan 250355, China
| | - Ling-Na Wang
- College of Pharmacy, Shandong University of Traditional Chinese Medicine Ji'nan 250355, China
| | - Fang Zhang
- College of Pharmacy, Shandong University of Traditional Chinese Medicine Ji'nan 250355, China
| | - Yong-Qing Zhang
- College of Pharmacy, Shandong University of Traditional Chinese Medicine Ji'nan 250355, China
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Xu J, Zhou J, Bu T, Dou L, Liu K, Wang S, Liu S, Yin X, Du T, Zhang D, Wang Z, Wang J. Self-Assembling Antibody Network Simplified Competitive Multiplex Lateral Flow Immunoassay for Point-of-Care Tests. Anal Chem 2022; 94:1585-1593. [DOI: 10.1021/acs.analchem.1c03484] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jingke Xu
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang 712100, Shaanxi, China
| | - Jing Zhou
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang 712100, Shaanxi, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang 712100, Shaanxi, China
| | - Leina Dou
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, and Beijing Laboratory for Food Quality and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Kai Liu
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang 712100, Shaanxi, China
| | - Shaochi Wang
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang 712100, Shaanxi, China
| | - Sijie Liu
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang 712100, Shaanxi, China
| | - Xuechi Yin
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang 712100, Shaanxi, China
| | - Ting Du
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang 712100, Shaanxi, China
| | - Daohong Zhang
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang 712100, Shaanxi, China
| | - Zhanhui Wang
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, and Beijing Laboratory for Food Quality and Safety, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
| | - Jianlong Wang
- College of Food Science and Engineering, Northwest A&F University, 22 Xinong Road, Yangling, Xianyang 712100, Shaanxi, China
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Wang X, Sun X, Bu T, Wang Q, Zhang H, Jia P, Li L, Wang L. Construction of a photothermal hydrogel platform with two-dimensional PEG@zirconium-ferrocene MOF nanozymes for rapid tissue repair of bacteria-infected wounds. Acta Biomater 2021; 135:342-355. [PMID: 34450338 DOI: 10.1016/j.actbio.2021.08.022] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 07/12/2021] [Accepted: 08/16/2021] [Indexed: 02/07/2023]
Abstract
Because of increasing antibiotic resistance, careful construction of an efficient phototherm-nanozyme-hydrogel synergistic antibacterial platform is imperative for the treatment of bacteria-infected wounds. In this study, a carrageenan-based hydrogel embedded with polyethylene glycol dicarboxylic acid (COOH-PEG-COOH)-functionalized zirconium-ferrocene metal-organic frames nanosheets (PEG@Zr-Fc MOF hydrogel) was successfully constructed through COOH-PEG-COOH modification and physical assembly. The PEG@Zr-Fc MOF hydrogel could capture Gram-negative (Escherichia coli) and Gram-positive (Staphylococcus aureus) bacteria through reactive oxygen species (ROS) destruction and kill some bacteria by disintegration of H2O2 into toxic hydroxyl radicals (•OH). Significantly, by introducing the photothermal performance of the PEG@Zr-Fc MOF hydrogel, the catalytic activity of the target material could be improved to achieve a synergistic sterilization effect. The wound infection model experiment confirmed that the PEG@Zr-Fc MOF hydrogel had powerful bactericidal activity and could achieve a rapid tissue repair effect. More importantly, the PEG@Zr-Fc MOF hydrogel had negligible biological toxicity and reduced the risk of inflammation. This study reveals that phototherm-nanozyme-hydrogel synergy holds great potential for bacterial wound infection therapy. Additionally, this is the first study to use two-dimensional MOF nanozymes in combination with hydrogel for antimicrobial therapy. STATEMENT OF SIGNIFICANCE: Bacteria-infected wound is one of the serious threats to public health, and this topic has attracted tremendous attention worldwide in recent decades. Although numerous traditional therapeutic strategies that depend on antibiotics have been developed and applied for treating bacteria-infected wound disease, the effect of wound treatment is becoming increasingly unsatisfactory due to bacterial resistance. The present study provides a feasible method to treat bacterial wound infection by constructing a carrageenan-based hydrogel embedded with polyethylene glycol dicarboxylic acid (COOH-PEG-COOH) functionalized zirconium-ferrocene metal organic frame nanosheets (PEG@Zr-Fc MOF hydrogel). The experiments with the wound infection model confirmed that the PEG@Zr-Fc MOF hydrogel had powerful bactericidal activity and could achieve a rapid tissue repair. This strategy provides a promising avenue to further accelerate the development of antibacterial therapy in biomedical fields.
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Sun X, Zhang H, Wang J, Dong M, Jia P, Bu T, Wang Q, Wang L. Sodium alginate-based nanocomposite films with strong antioxidant and antibacterial properties enhanced by polyphenol-rich kiwi peel extracts bio-reduced silver nanoparticles. Food Packag Shelf Life 2021. [DOI: 10.1016/j.fpsl.2021.100741] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Sun X, Li L, Zhang H, Dong M, Wang J, Jia P, Bu T, Wang X, Wang L. Near-Infrared Light-Regulated Drug-Food Homologous Bioactive Molecules and Photothermal Collaborative Precise Antibacterial Therapy Nanoplatform with Controlled Release Property. Adv Healthc Mater 2021; 10:e2100546. [PMID: 34081401 DOI: 10.1002/adhm.202100546] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 04/30/2021] [Indexed: 12/28/2022]
Abstract
Herein, a collaborative precise antibacterial wound healing therapy nanoplatform integrating drug-food homologous bioactive molecule (cinnamaldehyde, CA) with photothermal therapy (PTT) is presented. Copper-gallic acids-cinnamaldehyde-polydopamine nanorods (Cu-GA-CA-PDA NRs) with near-infrared light (NIR)-controlled CA release property are fabricated, which also integrate CA and photothermal synergistic sterilization, as well as antioxidant, anti-inflammatory, and anti-infection capacities. The characteristics of NIR-mediated CA release and photothermal response of Cu-GA-CA-PDA NRs support their excellent sterilization performance in vitro/in vivo. In addition, under the guidance of NIR, Cu-GA-CA-PDA NRs can hinder the formation of inflammatory cells, reduce oxidative stress damage, accelerate the regeneration of skin tissues in S. aureus-infected wound sites, and achieve the goal of promoting wound healing. Therefore, NIR-mediated Cu-GA-CA-PDA NRs with multifunctional biological activities provide a highly competitive strategy for curing bacteria-infected wounds.
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Affiliation(s)
- Xinyu Sun
- College of Food Science and Engineering Northwest A&F University Yangling Shaanxi 712100 P. R. China
| | - Lihua Li
- College of Food Science and Engineering Northwest A&F University Yangling Shaanxi 712100 P. R. China
| | - Hui Zhang
- College of Food Science and Engineering Northwest A&F University Yangling Shaanxi 712100 P. R. China
| | - Mengna Dong
- College of Food Science and Engineering Northwest A&F University Yangling Shaanxi 712100 P. R. China
| | - Jiao Wang
- College of Food Science and Engineering Northwest A&F University Yangling Shaanxi 712100 P. R. China
| | - Pei Jia
- College of Food Science and Engineering Northwest A&F University Yangling Shaanxi 712100 P. R. China
| | - Tong Bu
- College of Food Science and Engineering Northwest A&F University Yangling Shaanxi 712100 P. R. China
| | - Xin Wang
- College of Food Science and Engineering Northwest A&F University Yangling Shaanxi 712100 P. R. China
| | - Li Wang
- College of Food Science and Engineering Northwest A&F University Yangling Shaanxi 712100 P. R. China
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Zhe T, Li M, Li F, Li R, Bai F, Bu T, Jia P, Wang L. Integrating electrochemical sensor based on MoO 3/Co 3O 4 heterostructure for highly sensitive sensing of nitrite in sausages and water. Food Chem 2021; 367:130666. [PMID: 34343805 DOI: 10.1016/j.foodchem.2021.130666] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 07/17/2021] [Accepted: 07/20/2021] [Indexed: 12/11/2022]
Abstract
Considering excess nitrites are detrimental to the human body and environment, designing a rapid, sensitive, and real-time quantitative determination for nitrite is of great significance for environmental preservation and public health. In this paper, Co3O4 nanoflowers coupled with ultrafine MoO3 nanoparticles (MoO3/Co3O4) are obtained via a hybrid electrochemical deposition strategy (HED). The as-designed MoO3/Co3O4/CC integrating electrode exhibits superior electrocatalytic properties towards nitrite oxidation, owing to the synergistic effect between MoO3 and Co3O4 caused by the heterostructure of MoO3/Co3O4. The electrode achieved a low response time of 2 s, an excellent sensitivity of 1704.1 μA mM-1 cm-2, and a low limit of detection of 0.075 μM (S/N = 3). Furthermore, the electrode displays promise for nitrite detection in complex food such as water and sausages samples. Our study will provide a significant strategy for the application of bimetallic heterostructure to explore the design of sensing interfaces.
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Affiliation(s)
- Taotao Zhe
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Mingyan Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Fan Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Ruixia Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Pei Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China.
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He Z, Zeng X, Zhou D, Liu P, Han D, Xu L, Bu T, Wang J, Ke M, Pan X, Du Y, Xue H, Lu D, Luo B. LncRNA Chaer Prevents Cardiomyocyte Apoptosis From Acute Myocardial Infarction Through AMPK Activation. Front Pharmacol 2021; 12:649398. [PMID: 34335241 PMCID: PMC8322763 DOI: 10.3389/fphar.2021.649398] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Accepted: 03/04/2021] [Indexed: 11/30/2022] Open
Abstract
Long non-coding RNA (lncRNA) is widely reported to be involved in cardiac (patho)physiology. Acute myocardial infarction, in which cardiomyocyte apoptosis plays an important role, is a life-threatening disease. Here, we report the lncRNA Chaer that is anti-apoptotic in cardiomyocytes during Acute myocardial infarction. Importantly, lncRNA Chaer is significantly downregulated in both oxygen-glucose deprivation (oxygen-glucose deprivation)-treated cardiomyocytes in vitro and AMI heart. In vitro, overexpression of lncRNA Chaer with adeno virus reduces cardiomyocyte apoptosis induced by OGD-treated while silencing of lncRNA Chaer increases cardiomyocyte apoptosis instead. In vivo, forced expression of lncRNA Chaer with AAV9 attenuates cardiac apoptosis, reduces infarction area and improves mice heart function in AMI. Interestingly, overexpression of lncRNA Chaer promotes the phosphorylation of AMPK, and AMPK inhibitor Compound C reverses the overexpression of lncRNA Chaer effect of reducing cardiomyocyte apoptosis under OGD-treatment. In summary, we identify the novel ability of lncRNA Chaer in regulating cardiomyocyte apoptosis by promoting phosphorylation of AMPK in AMI.
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Affiliation(s)
- Zhiyu He
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xiaojun Zeng
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Deke Zhou
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China.,Traditional Chinese Medicine Hospital of Gaozhou, Department of Cardiology, Gaozhou, China
| | - Peiying Liu
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Dunzheng Han
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Lingling Xu
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Tong Bu
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Jinping Wang
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Mengmeng Ke
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Xiudi Pan
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yipeng Du
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Hao Xue
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Dongfeng Lu
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Bihui Luo
- Department of Cardiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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Zhao S, Bu T, Yang K, Xu Z, Bai F, He K, Li L, Wang L. Immunochromatographic Assay Based on Polydopamine-Decorated Iridium Oxide Nanoparticles for the Rapid Detection of Salbutamol in Food Samples. ACS Appl Mater Interfaces 2021; 13:28899-28907. [PMID: 34106688 DOI: 10.1021/acsami.1c06724] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Salbutamol (SAL), a β-2 adrenoreceptor agonist, is an unpopular addition to livestock and poultry, causing several side effects to human health. Thus, it is very important to develop a simple and rapid analytical method to screen SAL in the field of food safety. Here, we present an immunochromatographic assay (ICA) method for sensitively detecting SAL with polydopamine-decorated iridium oxide nanoparticles (IrO2@PDA NPs) as a signal tag. The IrO2@PDA with excellent hydrophilicity, biocompatibility, and stability was synthesized by oxidating self-polymerization of dopamine hydrochloride (DAH) on the surface of IrO2 NPs and used to label monoclonal antibodies (mAbs) through simple physical adsorption. Compared with IrO2 NPs, the IrO2@PDA also possessed superior optical properties and higher affinity with mAbs. With the proposed method, the limit of detection for SAL was 0.002 ng/mL, which was improved at least 24-fold and 180-fold compared with the IrO2 NPs-based ICA and conventional gold nanoparticles-based ICA, respectively. Furthermore, the SAL residuals in pork, pork liver, and beef were successfully detected by the developed biosensor and the recoveries ranged from 85.56% to 115.56%. Briefly, this work indicated that the powerful IrO2@PDA-based ICA can significantly improve detection sensitivity and has huge potential for accurate and sensitive detection of harmful small molecules analytes in food safety fields.
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Affiliation(s)
- Shuang Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, P. R. China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, P. R. China
| | - Kairong Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, P. R. China
| | - Zhihao Xu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, P. R. China
| | - Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, P. R. China
| | - Kunyi He
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, P. R. China
| | - Lihua Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, P. R. China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, P. R. China
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Wang Q, Zhangsun H, Zhao Y, Zhuang Y, Xu Z, Bu T, Li R, Wang L. Macro-meso-microporous carbon composite derived from hydrophilic metal-organic framework as high-performance electrochemical sensor for neonicotinoid determination. J Hazard Mater 2021; 411:125122. [PMID: 33485221 DOI: 10.1016/j.jhazmat.2021.125122] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Revised: 01/08/2021] [Accepted: 01/09/2021] [Indexed: 06/12/2023]
Abstract
Electrochemical analysis enables pesticides monitoring become rapid and efficient. Herein, novel three dimensional nitrogen-doped macro-meso-microporous carbon composites (N/Cu-HPC) derived from polyvinylpyrrolidone (PVP) doped Cu-metal organic framework were successfully formed via one-pot solvothermal method followed by pyrolysis, which were further applied in high-performance electrochemical determination of neonicotinoid. The introduction of PVP endows the N/Cu-HPC good hydrophilicity preventing aggregation as well as more highly electronegative nitrogen species boosting electro-catalytic property dramatically. Interestingly, the macro-meso-microporous architecture improves mass and charge transports between neonicotinoid molecules and active sites such as Cu nanoparticles and carbon atoms possessing Lewis basicity next to pyridinic-N. Based on the N/Cu-HPC, imidacloprid (IDP), thiamethoxam (THA) and dinotefuran (DNF) were detected with wide linear detection ranges (0.5-60 μM for both IDP and DNF, 1-60 μM for THA) and low detection limits (0.026 μM for IDP, 0.062 μM for THA and 0.01 μM for DNF). Meanwhile, this sensor can be successfully used for determination of IDP, THA and DNF in oat, corn and rice with good recoveries (92.0-100.9%, RSD ≤ 4.8%), demonstrating that the N/Cu-HPC possesses a high potential to be an advanced sensing device for monitoring neonicotinoid in agricultural products.
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Affiliation(s)
- Qinzhi Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Hui Zhangsun
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yijian Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yuting Zhuang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Zhihao Xu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Ruixia Li
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
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Guo Z, Liu Y, Zhang Y, Sun X, Li F, Bu T, Wang Q, Wang L. A bifunctional nanoplatform based on copper manganate nanoflakes for bacterial elimination via a catalytic and photothermal synergistic effect. Biomater Sci 2021; 8:4266-4274. [PMID: 32588850 DOI: 10.1039/d0bm00706d] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Bacterial infection has been recognized as one of the greatest threats to public health. In view of the continuous increase of bacterial resistance, constructing a collaborative bactericidal platform is a promising strategy to enhance the efficiency of antimicrobial agents. Herein, we report a facile, biocompatible and versatile nano-platform based on positively charged copper manganate nanoflakes (CuMnO2 NFs), which exhibits intrinsic peroxidase-like catalytic activity and excellent photothermal properties. The CuMnO2 NFs can bind with negatively charged bacteria via electrostatic interactions, and generate hydroxyl radicals (˙OH) through catalysis involving hydrogen peroxide (H2O2) to make bacteria more susceptible to temperature. Introducing near-infrared light generates hyperthermia to fight against bacteria and enhances the peroxidase-like catalytic activity of the CuMnO2 NFs, thus producing more ˙OH to combat bacteria. The PTT-enhanced ˙OH synergistic antibacterial strategy exerts desirable antibacterial efficiencies of 98.78% and 99.92% against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus) at a controlled low temperature (below 50 °C), without damage to healthy tissues. Animal experiments indicate that this synergistic treatment has a better therapeutic effect on S. aureus-infected wounds in mice, compared with either treatment by itself. Therefore, this work holds great promise for developing new synergistic antimicrobial strategies to treat bacterial infections.
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Affiliation(s)
- Zhirong Guo
- College of Food Science and Engineering, Northwest A&F University, Yangling712100, Shaanxi, China.
| | - Yingnan Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling712100, Shaanxi, China.
| | - Yalan Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling712100, Shaanxi, China.
| | - Xinyu Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling712100, Shaanxi, China.
| | - Fan Li
- College of Food Science and Engineering, Northwest A&F University, Yangling712100, Shaanxi, China.
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling712100, Shaanxi, China.
| | - Qinzhi Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling712100, Shaanxi, China.
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling712100, Shaanxi, China.
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Bu T, Zhao S, Bai F, Sun X, He K, Wang Q, Jia P, Tian Y, Zhang M, Wang L. Diverse Dyes-Embedded Staphylococcus aureus as Potential Biocarriers for Enhancing Sensitivity in Biosensing. Anal Chem 2021; 93:6731-6738. [PMID: 33877823 DOI: 10.1021/acs.analchem.1c00346] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Nanomaterials-based immunochromatographic assays (ICAs) have gained great commercial success in real-life point-of-care testing (POCT). Exploring novel carriers of ICAs with improved signaling and sustained activity favors the development of sensitive POCT. Herein a potent signal biotag, colored Staphylococcus aureus (SA), was created for ICA carriers through a mild self-assembly strategy, providing high luminance and abundant specific binding sites for immobilization of monoclonal antibodies (mAbs). The biocompatible SA-dyes (SADs) retained both an intact surface structure for mAbs labeling (Fc portion) and the superior bioactivity of immobilized mAbs (affinity constant was about 109 M-1), thus waiving the intrinsic limitations of traditional nanomaterials and endowing high sensitivity. Proof-of-concept was demonstrated by employing Congo red- or/and fluorescein isothiocyanate-embedded SA (SACR, SAFITC, and SACR-SAFITC) as ICA carriers to detect zearalenone (ZEN) through colorimetric or/and fluorimetric signals. Furthermore, the ICAs satisfied the clinical requirement perfectly, including limit of detection (0.013 ng/mL, which was at least an 85-fold improvement over that of traditional gold nanoparticles-based ICA), linearity (R2 > 0.98), reproducibility (RSD < 8%), selectivity, and stability. Importantly, the proposed biosensors could be well-applied in four real samples for ZEN monitoring with satisfactory recoveries, correlating well with the results from liquid chromatography-tandem mass spectrometry (LC-MS). This work also proved a universal design for tailoring coloration bands for SAD-ICA detection of multiple analytes.
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Affiliation(s)
- Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Shuang Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xinyu Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Kunyi He
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Qinzhi Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Pei Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yongming Tian
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Meng Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
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He K, Bu T, Zhao S, Bai F, Zhang M, Tian Y, Sun X, Dong M, Wang L. Well-orientation strategy for direct binding of antibodies: Development of the immunochromatographic test using the antigen modified Fe 2O 3 nanoprobes for sensitive detection of aflatoxin B 1. Food Chem 2021; 364:129583. [PMID: 34225247 DOI: 10.1016/j.foodchem.2021.129583] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 12/24/2020] [Accepted: 03/07/2021] [Indexed: 01/02/2023]
Abstract
One of the major concerns in the application of nanocarriers in biosensing is the impair of the recognition molecules bioactivity loaded on their surfaces due to harsh and laborious cross-linking and random orientation, resulting in unsatisfactory sensitivity. Herein, we proposed a novel immunochromatographic test strip (FNS-ag-DICTS) by taking advantage of the antigen (ag) modified Fe2O3 nanostructures (FNSs) as new signal tags and goat anti-mouse IgG labeling on the detection line instead of ag, which was used for sensitive detection of aflatoxin B1 (AFB1). The fabricated FNS-ag can orientate the Fab region of monoclonal antibodies (mAbs), waiving the intrinsic limitations of traditional nanomaterials labeled mAbs. Under optimal conditions, FNS-ag-DICTS possessed excellent specificity and a wide detection range, with a visual limit of detection (vLOD) of 0.0125 ng mL-1. In addition, the biosensor successfully detected AFB1 in peanut, green bean and corn, with an average recovery rate of 82.8-124.9%.
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Affiliation(s)
- Kunyi He
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Shuang Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Meng Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yongming Tian
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xinyu Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Mengna Dong
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China.
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Liang Y, Quan H, Bu T, Li X, Liu X, Wang S, He D, Jia Q, Zhang Y. Comparison of the Inhibitory Binding Modes Between the Planar Fascaplysin and Its Nonplanar Tetrahydro-β-carboline Analogs in CDK4. Front Chem 2021; 9:614154. [PMID: 33681142 PMCID: PMC7930575 DOI: 10.3389/fchem.2021.614154] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Accepted: 01/07/2021] [Indexed: 11/13/2022] Open
Abstract
Fascaplysin is a natural marine product originating from sponges, attracting widespread attention due to its potential inhibitory activities against CDK4. However, its clinical application has been largely limited because of serious adverse effects caused by planar skeleton. To reduce the serious adverse effects, 18 tetrahydro-β-carboline analogs (compounds 6a-i and 7a-i) were designed and synthesized via breaking the planarity of fascaplysin, and the biological activities of the synthesized compounds were evaluated by MTT assay and CDK4/CycD3 enzyme inhibition assay. The title compounds showed varying degrees of inhibitory activities, especially the cytotoxicity of compound 6c against HeLa cells (IC50 = 1.03 ± 0.19 μM) with quite weak cytotoxicity toward the normal cells WI-38 (IC50 = 311.51 ± 56.06 μM), and the kinase inhibition test indicated that compound 6c was a potential CDK4 inhibitor. In order to further compare the action mechanisms of planar and nonplanar molecules on CDK4, the studied complexes of CDK4 bound with fascaplysin and three representative compounds (compound 6a-c) with bioactivities gradient were constructed by molecular docking and further verified through molecular dynamic simulation, which identified the key residues contributing to the ligands' binding. By comparing the binding modes of the constructed systems, it could be found that the residues contributing significantly to compound 6c's binding were highly consistent with those contributing significantly to fascaplysin's binding. Through the design, synthesis of the nonplanar fascaplysin derivatives, and binding mechanism analysis, some valuable hints for the discovery of antitumor drug candidates could be provided.
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Affiliation(s)
- Yan Liang
- Materia Medica Development Group, Institute of Medicinal Chemistry, Lanzhou University School of Pharmacy, Lanzhou, China
| | - Huili Quan
- The Fourth Hospital of Shijiazhuang, Shijiazhuang, China
| | - Tong Bu
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, China
| | - Xuedong Li
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, China
| | - Xingang Liu
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, China
| | - Songsong Wang
- The Second Hospital of Hebei Medical University, Shijiazhuang, China
| | - Dian He
- Materia Medica Development Group, Institute of Medicinal Chemistry, Lanzhou University School of Pharmacy, Lanzhou, China
| | - Qingzhong Jia
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, China
| | - Yang Zhang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, China
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Sun X, Jia P, Bu T, Zhang H, Dong M, Wang J, Wang X, Zhe T, Liu Y, Wang L. Conversional fluorescent kiwi peel phenolic extracts: Sensing of Hg 2+ and Cu 2+, imaging of HeLa cells and their antioxidant activity. Spectrochim Acta A Mol Biomol Spectrosc 2021; 244:118857. [PMID: 32877850 DOI: 10.1016/j.saa.2020.118857] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 08/10/2020] [Accepted: 08/16/2020] [Indexed: 06/11/2023]
Abstract
The valorization, resource generation and the functional characteristic exploration of domestic waste still face enormous challenges. Kiwi peels, a common kind of fruit waste, contain a large amount of phenolic substances, including polyphenols, flavonoids, etc., which can be explored and reused in food and biomedical fields. By ultrasonic assisted extraction technology, we obtained conversional fluorescence kiwi peel phenolic extracts (PE) which possessed gradient magenta fluorescence relying on the content of ethanol in the solution, as well as strong antioxidant activity. Besides, metal ions sensing assay revealed that PE can specifically sense Hg2+ and Cu2+ (LOD: 1.16 and 0.17 μM, respectively) accompanied with a fluorescence conversion from magenta fluorescence to blue. Moreover, employing the prepared PE as fluorescent probes, imaging of HeLa cells can be easily achieved with satisfactory resolution. Additionally, PE was incorporated into the gelatin matrix, successfully fabricating a green, edible degradable film with excellent antioxidant activity.
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Affiliation(s)
- Xinyu Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Pei Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Hui Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Mengna Dong
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Jiao Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Xin Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Taotao Zhe
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Yingnan Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China.
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Wang X, Liu Y, Wang Q, Bu T, Sun X, Jia P, Wang L. Nitrogen, silicon co-doped carbon dots as the fluorescence nanoprobe for trace p-nitrophenol detection based on inner filter effect. Spectrochim Acta A Mol Biomol Spectrosc 2021; 244:118876. [PMID: 32920501 DOI: 10.1016/j.saa.2020.118876] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 08/17/2020] [Accepted: 08/22/2020] [Indexed: 06/11/2023]
Abstract
P-nitrophenol (PNP) has been widely applied to industry processing for many purposes, but the persistence and toxicity of residuum may pose risks to human health. To analyze PNP in industrial and agricultural wastewater, a versatile fluorescent probe sensing platform was proposed. In this work, we devised a fluorescence approach that utilized nitrogen, silicon co-doped carbon dots (N,Si-CDs) to monitor PNP originating from the inner filter effect (IFE). The N,Si-CDs were generated in a one-step hydrothermal synthesis, and which possessed outstanding fluorescence signal and water-dispersity. Emission at 441 nm was monitored with excitation at 360 nm using a common spectrofluorometer. The method achieved an exceptionally low limit of detection (LOD) of 0.011 μM. Furthermore, this method not only eliminates the interference from metal ions and acid ions, but also provides a potential application prospect for N,Si-CDs in the field of water monitoring. Analysis of tap and lake water led to 93.30-106.30% recoveries and <1% relative standard deviation at 2.5-25 μM PNP concentrations.
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Affiliation(s)
- Xin Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Yingnan Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Qinzhi Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Xinyu Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Pei Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, PR China.
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Zheng X, Zhao Y, Jia P, Wang Q, Liu Y, Bu T, Zhang M, Bai F, Wang L. Dual-Emission Zr-MOF-Based Composite Material as a Fluorescence Turn-On Sensor for the Ultrasensitive Detection of Al 3. Inorg Chem 2020; 59:18205-18213. [PMID: 33285064 DOI: 10.1021/acs.inorgchem.0c02674] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In this work, a novel zirconium-based metal-organic framework (MOF) composite material, UiO-(OH)2@RhB, has been solvothermally prepared with zirconyl chloride octahydrate, 2,5-dihydroxyterephthalic acid, and rhodamine B (RhB) for ratiometric fluorescence sensing of Al3+ ions in an aqueous medium. The luminescence measurement results showed that, at the single excitation wavelength of 420 nm, the fluorescence intensity of the ligand at 500 nm increased significantly in the case of Al3+, while that of RhB at 583 nm changed slightly, together with an apparent color change. Under optimal conditions, UiO-(OH)2@RhB exhibited an extraordinary sensitivity (10 nM), good selectivity, and a fast response (2 min) for Al3+. As far as we know, the limit of detection is superior to that of the current reported MOF-based Al3+ fluorescence sensors. The response mechanism suggested that -OH could capture Al3+ in water through coordination and high electrostatic affinity and achieved turn-on ratiometric fluorescence through the excited-state intramolecular proton transfer process and stable fluorescence of RhB. In addition, this sensor was also applied to actual food samples (grain beans), with the recoveries ranging from 89.08% to 113.61%. Such a turn-on ratiometric fluorescence sensor will provide a constructive strategy for the ultrasensitive detection of Al3+ in practical applications.
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Affiliation(s)
- Xiaohan Zheng
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yijian Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Pei Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Qinzhi Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yingnan Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Meng Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
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50
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Zhang M, Bu T, Tian Y, Sun X, Wang Q, Liu Y, Bai F, Zhao S, Wang L. Fe3O4@CuS-based immunochromatographic test strips and their application to label-free and dual-readout detection of Escherichia coli O157:H7 in food. Food Chem 2020; 332:127398. [DOI: 10.1016/j.foodchem.2020.127398] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 06/09/2020] [Accepted: 06/19/2020] [Indexed: 01/09/2023]
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