1
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Dai S, Xing K, Jiao Y, Yu S, Yang X, Yao L, Jia P, Cheng Y, Xu Z. A novel magnetic resonance tuning-magnetic relaxation switching sensor based on Gd-MOF/USPIO assembly for sensitive and convenient aflatoxin B1 detection. Food Chem 2024; 443:138537. [PMID: 38309027 DOI: 10.1016/j.foodchem.2024.138537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Revised: 12/24/2023] [Accepted: 01/20/2024] [Indexed: 02/05/2024]
Abstract
Aflatoxin B1 (AFB1) can accumulate in different organs or tissues and seriously harm humans. Traditional magnetic relaxation switching (MRS) sensors have relatively low sensitivity, but are complex to use. Rapid small-trace molecule analysis in complex samples is challenging. In this study, we used a gadolinium-based metal-organic framework (Gd-MOF) and ultra-small superparamagnetic iron oxide (USPIO) assembly to develop a magnetic resonance tuning-magnetic relaxation switching (MRET-MRS) sensor to improve conventional MRS sensor sensitivity and simplify operational steps in complex samples. Importantly, the local magnetic field generated by USPIO interfered with Gd-MOF electron spin fluctuation and directly affected dipole-dipole interactions between Gd electrons and water molecules, thus rendering relaxation signal changes more sensitive. The sensitivity (0.54 pg mL-1) was 833 times more sensitive than that of a conventional MRS sensor (0.45 ng mL-1). Finally, a convenient one-step detection approach can be achieved by mixing antigen/antibody functionalized Gd-MOF/USPIO and target samples.
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Affiliation(s)
- Shiqin Dai
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan, China
| | - Keyu Xing
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan, China
| | - Yanna Jiao
- Technology Center of Changsha Customs District, Changsha 410116, Hunan, China
| | - Shaoyi Yu
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan, China
| | - Xingyu Yang
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan, China
| | - Li Yao
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan, China
| | - Pei Jia
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan, China
| | - Yunhui Cheng
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan, China; School of Food Science and Engineering, Qilu University of Technology, Jinan 250353, China
| | - Zhou Xu
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, Hunan, China; State Key Laboratory of Utilization of Woody Oil Resource, Hunan Academy of Forestry, Changsha 410004, Hunan, China.
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2
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Ren X, Song N, Chen J, Gao M, Wang H, Gao ZF, Ju H, Zhao J, Wei Q. Oxygen vacancies-driven signal enhanced photoelectrochemical sensor for mercury ions detection. Talanta 2024; 272:125780. [PMID: 38359722 DOI: 10.1016/j.talanta.2024.125780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 01/19/2024] [Accepted: 02/08/2024] [Indexed: 02/17/2024]
Abstract
Mercury ion (Hg2+) poses a serious threat to human health due to its high toxicity. In this study, a smartphone-based photoelectrochemical sensor based on oxygen vacancies (OVs) driven signal enhancement for mercury ion detection was designed. BiVO4-x/Bi2S3/AuNPs were combined with T-Hg2+-T recognition mode to construct a multi-sandwich photoelectrochemical sensor. On the one hand, the OVs can increase the adsorption of light by the materials and enhance the photocurrent response as well as the superconductivity of Au NPs to accelerate the charge transfer at the electrode interface. On the other hand, the multi-sandwich structure was exploited to increase the binding site of Hg2+, as well as the T-Hg2+-T structure for sensitive recognition of Hg2+ and signal amplification. The sensor showed good linearity for Hg2+ concentration in the range of 0.1 nM-1.0 μM with a detection limit of 4.8 pM (S/N = 3). Eventually the smartphone-based real-time detection sensor is expected to contribute to the future analysis of heavy metal ions.
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Affiliation(s)
- Xiang Ren
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
| | - Na Song
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
| | - Jingui Chen
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
| | - Min Gao
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China; State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology (Shandong Academy of Sciences), Daxue Rd, Changqing District, Jinan, Shandong, 250353, PR China.
| | - Huan Wang
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
| | - Zhong Feng Gao
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
| | - Huangxian Ju
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China; Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, PR China
| | - Jinxiu Zhao
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China; School of Materials Science and Engineering, University of Jinan, Jinan, 250022, PR China.
| | - Qin Wei
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China; Department of Chemistry, Sungkyunkwan University, Suwon, 16419, Republic of Korea.
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3
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Li T, Zhang J, Bu P, Wu H, Guo J, Guo J. Multi-modal nanoprobe-enabled biosensing platforms: a critical review. NANOSCALE 2024; 16:3784-3816. [PMID: 38323860 DOI: 10.1039/d3nr03726f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Nanomaterials show great potential for applications in biosensing due to their unique physical, chemical, and biological properties. However, the single-modal signal sensing mechanism greatly limits the development of single-modal nanoprobes and their related sensors. Multi-modal nanoprobes can realize the output of fluorescence, colorimetric, electrochemical, and magnetic signals through composite nanomaterials, which can effectively compensate for the defects of single-modal nanoprobes. Following the multi-modal nanoprobes, multi-modal biosensors break through the performance limitation of the current single-modal signal and realize multi-modal signal reading. Herein, the current status and classification of multi-modal nanoprobes are provided. Moreover, the multi-modal signal sensing mechanisms and the working principle of multi-modal biosensing platforms are discussed in detail. We also focus on the applications in pharmaceutical detection, food and environmental fields. Finally, we highlight this field's challenges and development prospects to create potential enlightenment.
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Affiliation(s)
- Tong Li
- Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jiani Zhang
- Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Pengzhi Bu
- Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Haoping Wu
- Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jiuchuan Guo
- University of Electronic Science and Technology of China, Chengdu, China.
| | - Jinhong Guo
- School of Sensing Science and Engineering, Shanghai Jiao Tong, University, Shanghai, China.
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Xu K, Zhang S, Zhuang X, Zhang G, Tang Y, Pang H. Recent progress of MOF-functionalized nanocomposites: From structure to properties. Adv Colloid Interface Sci 2024; 323:103050. [PMID: 38086152 DOI: 10.1016/j.cis.2023.103050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 09/29/2023] [Accepted: 11/06/2023] [Indexed: 01/13/2024]
Abstract
Metal-organic frameworks (MOFs) are novel crystalline porous materials assembled from metal ions and organic ligands. The adaptability of their design and the fine-tuning of the pore structures make them stand out in porous materials. Furthermore, by integrating MOF guest functional materials with other hosts, the novel composites have synergistic benefits in numerous fields such as batteries, supercapacitors, catalysis, gas storage and separation, sensors, and drug delivery. This article starts by examining the structural relationship between the host and guest materials, providing a comprehensive overview of the research advancements in various types of MOF-functionalized composites reported to date. The review focuses specifically on four types of spatial structures, including MOFs being (1) embedded in nanopores, (2) immobilized on surface, (3) coated as shells and (4) assembled into hybrids. In addition, specific design ideas for these four MOF-based composites are presented. Some of them involve in situ synthesis method, solvothermal method, etc. The specific properties and applications of these materials are also mentioned. Finally, a brief summary of the advantages of these four types of MOF composites is given. Hopefully, this article will help researchers in the design of MOF composite structures.
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Affiliation(s)
- Kun Xu
- School of Chemistry and Chemical Engineering, Testing Center, Yangzhou University, Yangzhou 225009, PR China
| | - Songtao Zhang
- School of Chemistry and Chemical Engineering, Testing Center, Yangzhou University, Yangzhou 225009, PR China
| | - Xiaoli Zhuang
- School of Chemistry and Chemical Engineering, Testing Center, Yangzhou University, Yangzhou 225009, PR China
| | - Guangxun Zhang
- School of Chemistry and Chemical Engineering, Testing Center, Yangzhou University, Yangzhou 225009, PR China
| | - Yijian Tang
- School of Chemistry and Chemical Engineering, Testing Center, Yangzhou University, Yangzhou 225009, PR China
| | - Huan Pang
- School of Chemistry and Chemical Engineering, Testing Center, Yangzhou University, Yangzhou 225009, PR China.
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5
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Chen Y, Jiang H, Liu X, Wang X. Engineered Electrochemiluminescence Biosensors for Monitoring Heavy Metal Ions: Current Status and Prospects. BIOSENSORS 2023; 14:9. [PMID: 38248386 PMCID: PMC10813191 DOI: 10.3390/bios14010009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 12/14/2023] [Accepted: 12/20/2023] [Indexed: 01/23/2024]
Abstract
Metal ion contamination has serious impacts on environmental and biological health, so it is crucial to effectively monitor the levels of these metal ions. With the continuous progression of optoelectronic nanotechnology and biometrics, the emerging electrochemiluminescence (ECL) biosensing technology has not only proven its simplicity, but also showcased its utility and remarkable sensitivity in engineered monitoring of residual heavy metal contaminants. This comprehensive review begins by introducing the composition, advantages, and detection principles of ECL biosensors, and delving into the engineered aspects. Furthermore, it explores two signal amplification methods: biometric element-based strategies (e.g., HCR, RCA, EDC, and CRISPR/Cas) and nanomaterial (NM)-based amplification, including quantum dots, metal nanoclusters, carbon-based nanomaterials, and porous nanomaterials. Ultimately, this review envisions future research trends and engineered technological enhancements of ECL biosensors to meet the surging demand for metal ion monitoring.
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Affiliation(s)
| | | | | | - Xuemei Wang
- State Key Laboratory of Digital Medical Engineering, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China; (Y.C.); (H.J.); (X.L.)
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6
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Chen TR, Chang KC, Chen CY, Wu TW, Lee LW, Shen LC, Chen HN, Chung WS. Calix[4]arene-based Supramolecular Gels for Mercury Ion Removal in Water. Chem Asian J 2023; 18:e202300739. [PMID: 37800724 DOI: 10.1002/asia.202300739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/04/2023] [Accepted: 10/06/2023] [Indexed: 10/07/2023]
Abstract
A calix[4]arene-based gelator 1, with lower-rim mono triazolylpyridine group, capable of spontaneous self-assembly into microspheres in different ethanol/H2 O mixtures, is synthesized. The concentration-dependent 1 H NMR spectra and X-ray single-crystal structure of 1 provided evidence for self-assembly of gelator 1 via cooperative interactions of intermolecular noncovalent forces. Furthermore, metallogels by self-assembly of 1 was found to exhibit remarkable selectivity toward Hg2+ ions. 1 H NMR spectra support that Hg2+ ion was bound to the nitrogen atoms of two coordination sites of 1, which composed of triazole and pyridine. Moreover, the results of field emission scanning electron microscopy and rheology experiments indicated that Hg2+ ions not only enhanced the gelling ability of gelator 1 in ethanol but also led to morphological change of its self-assembly through metal-ligand interactions. Finally, the in situ gelation, triggered by mixing a gelator solution of 1 in ethanol with water samples such as deionized (DI), tap, and lake water, leads to the effective removal of Hg(II) from a water sample which reduced from 400 to 1.6 ppm.
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Grants
- MOST-112-2113-M-019-002-MY2 Ministry of Science and Technology, Taiwan, ROC
- MOST-110-2113-M-A49-009 Ministry of Science and Technology, Taiwan, ROC
- MOST-110-2113-M-019-003-MY2 Ministry of Science and Technology, Taiwan, ROC
- MOST-109-2113-M-009-016 Ministry of Science and Technology, Taiwan, ROC
- MOST-108-2113-M-009-006 Ministry of Science and Technology, Taiwan, ROC
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Affiliation(s)
- Tyng-Rong Chen
- Department of Applied Chemistry, National Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Kai-Chi Chang
- Bachelor Degree Program in Marine Biotechnology, National Taiwan Ocean University, Keelung, 202301, Taiwan
| | - Chan-Yu Chen
- Bachelor Degree Program in Marine Biotechnology, National Taiwan Ocean University, Keelung, 202301, Taiwan
| | - Ting-Wen Wu
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Li-Wei Lee
- Bachelor Degree Program in Marine Biotechnology, National Taiwan Ocean University, Keelung, 202301, Taiwan
| | - Li-Ching Shen
- Department of Applied Chemistry, National Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Hsin-Ni Chen
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan
| | - Wen-Sheng Chung
- Department of Applied Chemistry, National Chiao Tung University, Hsinchu, 30010, Taiwan
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu, 30010, Taiwan
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7
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Huang L, Zhang Z. Recent Advances in the DNA-Mediated Multi-Mode Analytical Methods for Biological Samples. BIOSENSORS 2023; 13:693. [PMID: 37504092 PMCID: PMC10377368 DOI: 10.3390/bios13070693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/14/2023] [Accepted: 06/27/2023] [Indexed: 07/29/2023]
Abstract
DNA-mediated nanotechnology has become a research hot spot in recent decades and is widely used in the field of biosensing analysis due to its distinctive properties of precise programmability, easy synthesis and high stability. Multi-mode analytical methods can provide sensitive, accurate and complementary analytical information by merging two or more detection techniques with higher analytical throughput and efficiency. Currently, the development of DNA-mediated multi-mode analytical methods by integrating DNA-mediated nanotechnology with multi-mode analytical methods has been proved to be an effective assay for greatly enhancing the selectivity, sensitivity and accuracy, as well as detection throughput, for complex biological analysis. In this paper, the recent progress in the preparation of typical DNA-mediated multi-mode probes is reviewed from the aspect of deoxyribozyme, aptamer, templated-DNA and G-quadruplex-mediated strategies. Then, the advances in DNA-mediated multi-mode analytical methods for biological samples are summarized in detail. Moreover, the corresponding current applications for biomarker analysis, bioimaging analysis and biological monitoring are introduced. Finally, a proper summary is given and future prospective trends are discussed, hopefully providing useful information to the readers in this research field.
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Affiliation(s)
- Lu Huang
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
| | - Zhuomin Zhang
- School of Chemistry, Sun Yat-sen University, Guangzhou 510006, China
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8
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Liu M, Yang M, Wan X, Tang Z, Jiang L, Wang S. From Nanoscopic to Macroscopic Materials by Stimuli-Responsive Nanoparticle Aggregation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2208995. [PMID: 36409139 DOI: 10.1002/adma.202208995] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/09/2022] [Indexed: 05/19/2023]
Abstract
Stimuli-responsive nanoparticle (NP) aggregation plays an increasingly important role in regulating NP assembly into microscopic superstructures, macroscopic 2D, and 3D functional materials. Diverse external stimuli are widely used to adjust the aggregation of responsive NPs, such as light, temperature, pH, electric, and magnetic fields. Many unique structures based on responsive NPs are constructed including disordered aggregates, ordered superlattices, structural droplets, colloidosomes, and bulk solids. In this review, the strategies for NP aggregation by external stimuli, and their recent progress ranging from nanoscale aggregates, microscale superstructures to macroscale bulk materials along the length scales as well as their applications are summarized. The future opportunities and challenges for designing functional materials through NP aggregation at different length scales are also discussed.
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Affiliation(s)
- Mingqian Liu
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Man Yang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Xizi Wan
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Zhiyong Tang
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing, 100049, P. R. China
| | - Lei Jiang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Shutao Wang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
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9
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Xu R, Ouyang L, Chen H, Zhang G, Zhe J. Recent Advances in Biomolecular Detection Based on Aptamers and Nanoparticles. BIOSENSORS 2023; 13:bios13040474. [PMID: 37185549 PMCID: PMC10136534 DOI: 10.3390/bios13040474] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Revised: 04/07/2023] [Accepted: 04/11/2023] [Indexed: 05/17/2023]
Abstract
The fast, accurate detection of biomolecules, ranging from nucleic acids and small molecules to proteins and cellular secretions, plays an essential role in various biomedical applications. These include disease diagnostics and prognostics, environmental monitoring, public health, and food safety. Aptamer recognition (DNA or RNA) has gained extensive attention for biomolecular detection due to its high selectivity, affinity, reproducibility, and robustness. Concurrently, biosensing with nanoparticles has been widely used for its high carrier capacity, stability and feasibility of incorporating optical and catalytic activity, and enhanced diffusivity. Biosensors based on aptamers and nanoparticles utilize the combination of their advantages and have become a promising technology for detecting of a wide variety of biomolecules with high sensitivity, reliability, specificity, and detection speed. Via various sensing mechanisms, target biomolecules have been quantified in terms of optical (e.g., colorimetric and fluorometric), magnetic, and electrical signals. In this review, we summarize the recent advances in and compare different aptamer-nanoparticle-based biosensors by nanoparticle types and detection mechanisms. We also share our views on the highlights and challenges of the different nanoparticle-aptamer-based biosensors.
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Affiliation(s)
- Ruiting Xu
- Department of Mechanical Engineering, University of Akron, Akron, OH 44325, USA
| | - Leixin Ouyang
- Department of Mechanical Engineering, University of Akron, Akron, OH 44325, USA
| | - Heyi Chen
- Department of Mechanical Engineering, University of Akron, Akron, OH 44325, USA
| | - Ge Zhang
- Department of Biomedical Engineering, University of Akron, Akron, OH 44325, USA
| | - Jiang Zhe
- Department of Mechanical Engineering, University of Akron, Akron, OH 44325, USA
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10
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Recent advances in gold nanoparticle-based colorimetric aptasensors for chemical and biological analyses. Bioanalysis 2022; 14:1509-1524. [PMID: 36799230 DOI: 10.4155/bio-2022-0209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023] Open
Abstract
Aptasensors are amazing among many currently formed procedures due to their excellent particularity, selectivity and responsiveness. These biosensors get more popular in combination with gold nanoparticles (AuNPs) to detect chemical and biological molecules. The response of AuNPs by changing color provides a simple explanation of outcomes. The authors review the recent developments in AuNP-based colorimetric aptasensors designed to sense different chemical and biological molecules. They summarize the procedure of AuNP-based detection and the ordinary instances of currently formed AuNP-based colorimetric procedures. Furthermore, their uses for detecting different analytes based on analyte types are given and the present challenges, overview, and positive views for forming new aptasensors are also regarded.
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11
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Huang L, Wang X, Liu S, Liu B, Gao Z. Magnetic Relaxation Switch Sensor Based on Magnetophoresis and "T-Hg(II)-T" Signal Amplification. Anal Chem 2022; 94:12016-12023. [PMID: 35997203 DOI: 10.1021/acs.analchem.2c00917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
In this study, we designed a magnetic relaxation switch (MRS) sensor combined with magnetophoresis technology (MS-MRS), which helps solve the problems of traditional MRS sensors. The sensor is based on a new combined magnet and is composed of small magnetic blocks and iron sheets that can rapidly separate magnetic nanoparticles of different sizes within 5 min. The MS-MRS sensor consists of aptamer-functionalized magnetic nanoparticles (diameter: 200 nm) (MNP200-Apt), complementary DNA-functionalized magnetic nanoparticles (diameter: 20 nm) (MNP20-cDNA), and a combined magnet ("M2" magnet). The MNP200-Apt probe could be separated by an "M2" magnet but the MNP20-cDNA probe could not. To further improve the sensitivity of the sensor, we successfully constructed an MS-MRS-Hg sensor based on the "T-Hg(II)-T" specific recognition that aggregated MNP20-cDNA probes to amplify the relaxation signal. The detection working range of the MS-MRS sensor is 0.5-100 ng/mL and that of the MS-MRS-Hg sensor is 0.05-100 ng/mL. Their limit of detection (LOD) values are 0.15 and 0.01 ng/mL, respectively. The relative recoveries of the MS-MRS and MS-MRS-Hg sensors are 95.2-119.5% and 93.1-113.1%, respectively. These results indicate that the proposed sensors have a high accuracy level.
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Affiliation(s)
- Lei Huang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.,Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China
| | - Xin Wang
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Sha Liu
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China
| | - Baolin Liu
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Zhixian Gao
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin 300050, China
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Sawan S, Errachid A, Maalouf R, Jaffrezic-Renault N. Aptamers functionalized metal and metal oxide nanoparticles: Recent advances in heavy metal monitoring. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116748] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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13
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Wu Z, Huang C, Dong Y, Zhao B, Chen Y. Gold core @ platinum shell nanozyme-mediated magnetic relaxation switching DNA sensor for the detection of Listeria monocytogenes in chicken samples. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.108916] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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14
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Dong Y, Chen R, Wu L, Wang X, Jiang F, Fan Z, Huang C, Chen Y. Magnetic relaxation switching biosensor via polydopamine nanoparticle mediated click chemistry for detection of chlorpyrifos. Biosens Bioelectron 2022; 207:114127. [DOI: 10.1016/j.bios.2022.114127] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 01/19/2022] [Accepted: 02/21/2022] [Indexed: 12/11/2022]
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15
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Wang Q, Huang L, Pei K, Sun H, Wang X. A magnetic relaxation switching and colorimetric dual-mode aptasensor for the rapid detection of florfenicol and florfenicol amine in eggs. Anal Chim Acta 2022; 1208:339849. [DOI: 10.1016/j.aca.2022.339849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 03/03/2022] [Accepted: 04/16/2022] [Indexed: 11/01/2022]
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16
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Chen R, Chen X, Zhou Y, Lin T, Leng Y, Huang X, Xiong Y. "Three-in-One" Multifunctional Nanohybrids with Colorimetric Magnetic Catalytic Activities to Enhance Immunochromatographic Diagnosis. ACS NANO 2022; 16:3351-3361. [PMID: 35137583 DOI: 10.1021/acsnano.2c00008] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Colorimetric lateral flow immunoassay (LFIA) with gold nanoparticles (AuNPs) as signal reporters has been widely used in point-of-care testing. Nonetheless, the potential of traditional AuNP-based LFIA for the early diagnosis of disease is often compromised by limited sensitivity due to the insufficient colorimetric signal brightness of AuNPs. Herein, we develop a "three-in-one" multifunctional catalytic colorimetric nanohybrid (Fe3O4@MOF@Pt) composed of Fe3O4 nanoparticles, MIL-100(Fe), and platinum (Pt) nanoparticles. Fe3O4@MOF@Pt displays enhanced colorimetric signal brightness, fast magnetic response, and ultrahigh peroxidase-mimicking activity, which are beneficial to the enhancement of the sensitivity of LFIA by coupling with magnetic separation and catalytic amplification. When integrated with the dual-antibody sandwich LFIA platform, the developed Fe3O4@MOF@Pt can achieve an ultrasensitive immunochromatographic assay of procalcitonin with a sensitivity of 0.5 pg mL-1, which is approximately 2280-fold higher than that of conventional AuNP-based LFIA and superior to previously published immunoassays. Therefore, this work suggests that the proposed catalytic colorimetric nanohybrid can act as promising signal reporters to enable ultrasensitive immunochromatographic disease diagnostics.
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Affiliation(s)
- Rui Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, P.R. China
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Xirui Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, P.R. China
| | - Yaofeng Zhou
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Nanchang University, Nanchang 330047, P.R. China
| | - Tong Lin
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Nanchang University, Nanchang 330047, P.R. China
| | - Yuankui Leng
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Nanchang University, Nanchang 330047, P.R. China
| | - Xiaolin Huang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Nanchang University, Nanchang 330047, P.R. China
| | - Yonghua Xiong
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Nanchang University, Nanchang 330047, P.R. China
- Jiangxi-OAI Joint Research Institute, Nanchang University, Nanchang 330047, P.R. China
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17
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Xu Z, Dai S, Wang Y, Chen Y, Cheng YH, Peng S. Magnetic relaxation switching assay based on three-dimensional assembly of Fe 3O 4@ZIF-8 for detection of cadmium ions. RSC Adv 2022; 12:25041-25047. [PMID: 36199884 PMCID: PMC9437709 DOI: 10.1039/d2ra03926e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 08/27/2022] [Indexed: 11/21/2022] Open
Abstract
The design and construction of a novel magnetic resonance switch (MRS) sensor for cadmium ion (Cd2+) detection is described. Fe3O4@ZIF-8 was synthesized through seed-mediated growth of dimercaptosuccinic acid-coated Fe3O4. Fe3O4@ZIF-8 with high relaxation value (163.086 mM−1 s−1) and large negative zeta potential (−20.69 mV) exhibited good magnetic relaxation performance and water solubility. The successfully synthesized Fe3O4@ZIF-8 was used to develop an immune recognition-based MOFs-MRS sensor for highly sensitive detection of Cd2+. The proposed MRS detected a wide linear range of Cd2+ concentration from 2 to 200 ng mL−1 with a low limit of detection of 0.65 ng mL−1 (S/N = 3), and displayed high selectivity towards matrix interference. The robust sensing system was effective even in a complex sample matrix, enabling the quantitative analysis of Cd2+ content in rice samples and drinking water samples with good reliability. Recoveries of Cd2+ ranged from 91.50 to 112.05% for spiked drinking water and from 95.86 to 110.45% for spiked rice samples. The versatility of Fe3O4@ZIF-8 with customized relaxation responses could allow the adaptation of magnetic resonance platforms for food safety purposes. A sensitive immune recognition-based MOF-MRS sensor for the detection of Cd2+.![]()
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Affiliation(s)
- Zhou Xu
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, P. R. China
| | - ShiQin Dai
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, P. R. China
| | - YiXuan Wang
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, P. R. China
| | - YanQiu Chen
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, P. R. China
| | - Yun-Hui Cheng
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, P. R. China
- School of Food Science and Engineering, Qilu University of Technology, Jinan, Shandong, 250353, China
| | - Shuang Peng
- Hunan Provincial Key Laboratory of Cytochemistry, School of Food Science and Bioengineering, Changsha University of Science & Technology, Changsha 410114, P. R. China
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, 410082, Hunan, China
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18
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Pang X, Bai H, Zhao H, Liu Y, Qin F, Han X, Fan W, Shi W. Biothiol-Functionalized Cuprous Oxide Sensor for Dual-Mode Sensitive Hg 2+ Detection. ACS APPLIED MATERIALS & INTERFACES 2021; 13:46980-46989. [PMID: 34581178 DOI: 10.1021/acsami.1c10260] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Hg2+ ions are one of the highly poisonous heavy metal ions in the environment, so it is urgent to develop rapid and sensitive detection platforms for detecting Hg2+ ions. In this work, a novel electrochemical and photoelectrochemical dual-mode sensor (l-Cys-Cu2O) was successfully fabricated, and the sensor exhibits a satisfactory detection limit (0.2 and 0.01 nM) for the detection of Hg2+, which is far below the dangerous limit of the U.S. Environmental Protection Agency. The linear ranges of dual-mode Hg2+ detections were 0.33-3.3 and 0.17-1.33 μM, respectively. Moreover, the sensor shows desirable stability, selectivity, and reproducibility for detecting Hg2+ ions. For river water samples, the recoveries of 96.6-101.4% (electrochemical data) and 93.0-105.6% (photoelectrochemical data) were obtained, indicating that the sensor could be successfully applied in the determination of Hg2+ ions in environmental water. Therefore, the designed sensor has a potential in the trace-level detection of Hg2+ ions.
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Affiliation(s)
- Xuliang Pang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Hongye Bai
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Huaiquan Zhao
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Youchao Liu
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Feiyang Qin
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Xiao Han
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Weiqiang Fan
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
| | - Weidong Shi
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, P. R. China
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19
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Wang X, Pei K, Sun H, Wang Q. A magnetic relaxation switch sensor for determination of 17β-estradiol in milk and eggs based on aptamer-functionalized Fe 3 O 4 @Au nanoparticles. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2021; 101:5697-5706. [PMID: 33786831 DOI: 10.1002/jsfa.11224] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 02/08/2021] [Accepted: 03/31/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND A simple and rapid detection method for 17β-estradiol (E2 ) in complex food matrix is greatly desirable. A magnetic relaxation switch (MRS) sensor for detecting E2 based on the aptamer-functionalized gold-coated iron oxide (Fe3 O4 @Au) nanocomposite was designed in this study. Fe3 O4 @Au nanoparticles (NPs) played as a 'switch' between dispersed and aggregated states, while aptamer served as the recognition unit. RESULTS According to the sensing effect of monocomponent relaxation time (T2W ) for E2 , the volume ratio of aptamers to Fe3 O4 @Au, the sodium chloride (NaCl) concentration, the concentration of Fe3 O4 @Au@Apt, and reaction time were optimized to be 4:1, 0.03 mol L-1 , 4 μmol L-1 and 15 min, respectively. For the analysis of food sample, the E2 was quantified over a concentration range of 1 to 100 nmol L-1 with a detection limit of 7.6 nmol L-1 for milk samples, while a linearity range of 20 to 100 nmol L-1 and a detection limit of 8.57 nmol L-1 for egg samples. CONCLUSION These results exhibited that the MRS sensor could be a promising platform for the rapid detecting of E2 in food sample. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Xin Wang
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Kaili Pei
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, China
| | - Hanying Sun
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, China
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, Nagasaki, Japan
| | - Qi Wang
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai, China
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20
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Ma Y, Yu Y, Mu X, Yu C, Zhou Y, Chen J, Zheng S, He J. Enzyme-induced multicolor colorimetric and electrochemiluminescence sensor with a smartphone for visual and selective detection of Hg 2. JOURNAL OF HAZARDOUS MATERIALS 2021; 415:125538. [PMID: 33721776 DOI: 10.1016/j.jhazmat.2021.125538] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 02/06/2021] [Accepted: 02/24/2021] [Indexed: 06/12/2023]
Abstract
In this study, we developed a novel dual-analytical platform for the visual, sensitive, and reliable analysis of mercury ions (Hg2+) in environmental water samples. Importantly, thymine (T)-rich DNA probes were utilized to form T-Hg2+-T base pairs in the presence of Hg2+ to ensure the specificity of the method. We synthesized new luminescent tris(4,4'-dicarboxylicacid-2,2'-bipyridyl) ruthenium (II) dichloride (Ru(dcbpy)32+)-modified metal-polydopamine frameworks (MPFs@Ru), which were then applied to construct an electrochemiluminescence (ECL) system for the first time, and it achieved accurate and sensitive quantitative detection of Hg2+. To achieve rapid on-site determination, a multicolorimetric system based on a smartphone was established by inducing deposition of silver shells on gold nanorods (Au NRs). Under optimized conditions, the dual-modal assay showed an excellent response for Hg2+ in the linear range of 2 pmol L-1 to 500 nmol L-1, with a low detection limit of 0.32 pmol L-1. Moreover, the proposed method demonstrated satisfactory selectivity, stability, and acceptable reproducibility for the detection of Hg2+. The recovery of lake water samples ranged from 98.53% to 111.97% for the ECL method and from 95.04% to 106.11% for the colorimetric method, indicating the potential applicability of the proposed method for monitoring environmental water samples.
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Affiliation(s)
- Yidan Ma
- School of Public Health and Management, Chongqing Medical University, Chongqing, China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Yujie Yu
- School of Public Health and Management, Chongqing Medical University, Chongqing, China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Xinyi Mu
- Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Chao Yu
- College of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Yuan Zhou
- College of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Jun Chen
- College of Pharmacy, Chongqing Medical University, Chongqing, China
| | - Shuting Zheng
- School of Public Health and Management, Chongqing Medical University, Chongqing, China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China
| | - Junlin He
- School of Public Health and Management, Chongqing Medical University, Chongqing, China; Joint International Research Laboratory of Reproduction & Development, Chongqing Medical University, Chongqing, China.
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21
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Xu Z, Wang R, Chen Y, Chen M, Zhang J, Cheng Y, Xu J, Chen W. Three-dimensional assembly and disassembly of Fe 3O 4-decorated porous carbon nanocomposite with enhanced transversal relaxation for magnetic resonance sensing of bisphenol A. Mikrochim Acta 2021; 188:90. [PMID: 33598733 DOI: 10.1007/s00604-021-04718-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Accepted: 01/18/2021] [Indexed: 02/02/2023]
Abstract
The design and construction of a novel magnetic resonance sensor (MRS) is presented for bisphenol A (BPA) detection. The MRS has been built based on the core component of magnetic Fe3O4 nanoparticles (~ 40 nm), which were uniformly distributed in nanoporous carbon (abbreviated as Fe3O4@NPC). The synthesis was derived from the calcination of the metal organic framework (MOF) precursor of Fe-MIL-101 at high temperature. Fe3O4@NPC was confirmed with enhanced transversal relaxation with r2 value of 118.2 mM-1 s-1, which was around 1.7 times higher than that of the naked Fe3O4 nanoparticle. This enhancement is attributed to the excellent proton transverse relaxation rate of Fe3O4@NPC caused by the reduced self-diffusion coefficient of water molecules in the vicinity of Fe3O4 nanoparticles in the nanoporous carbon. BPA antibody (Ab) and antigen (Ag)-ovalbumin (OVA) were immobilized onto the Fe3O4@NPC to form Ab-Fe3O4@NPC and Ag-Fe3O4@NPC, respectively. These two composites can cause the three-dimensional assembly of Fe3O4@NPC via immunological recognition. The presence of BPA can compete with antigen-OVA to combine with Ab-Fe3O4@NPC, thereby breaking the assembly process (disassembly). The difference in the change of the T2 value before and after adding BPA can thus be used to monitor BPA. The proposed MRS not only revealed a wide linear range of BPA concentration from 0.05 to 50 ng mL-1 with an extremely low detection limit of 0.012 ng mL-1 (S/N = 3), but also displayed high selectivity towards matrix interferences. The recoveries of BPA ranged from 95.6 to 108.4% for spiked tea π, and 93.4 to 104.7% for spiked canned oranges samples, respectively, and the RSD (n = 3) was less than 4.4% for 3 successive assays. The versatility of Fe3O4@NPC with customized relaxation responses provides the possibility for the adaptation of magnetic resonance platforms for food safety development. The magnetic Fe3O4 nanoparticles are uniformly dispersed in the nanoporous carbon (Fe3O4@NPC), which derived from the calcinating of the metal organic framework (MOF) precursor of Fe-MIL-101. And the magnetic Fe3O4@NPCs are adopted for the construction of magnetic resonance sensor (MRS) for bisphenol A (BPA) detection.
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Affiliation(s)
- Zhou Xu
- College of Chemistry and Food Engineering, Changsha University of Science & Technology, Changsha, 410114, China
| | - Rong Wang
- College of Chemistry and Food Engineering, Changsha University of Science & Technology, Changsha, 410114, China
| | - Yanqiu Chen
- College of Chemistry and Food Engineering, Changsha University of Science & Technology, Changsha, 410114, China
| | - Maolong Chen
- College of Chemistry and Food Engineering, Changsha University of Science & Technology, Changsha, 410114, China
| | - Jian Zhang
- College of Automotive and Mechanical Engineering, Changsha University of Science & Technology, Changsha, 410114, China
| | - Yunhui Cheng
- College of Chemistry and Food Engineering, Changsha University of Science & Technology, Changsha, 410114, China.
| | - Jianguo Xu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China
| | - Wei Chen
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China.
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22
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Tümay SO, Şanko V, Şenocak A, Demirbas E. A hybrid nanosensor based on novel fluorescent iron oxide nanoparticles for highly selective determination of Hg 2+ ions in environmental samples. NEW J CHEM 2021. [DOI: 10.1039/d1nj02908h] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Novel fluorescent iron oxide nanoparticles were prepared for the determination of Hg2+ in real samples. The fluorescence behaviors of the sensor were examined using absorption and fluorescence (steady-state, time-resolved, 3-D, EEM) spectroscopies.
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Affiliation(s)
| | - Vildan Şanko
- Department of Chemistry
- Gebze Technical University
- Gebze 41400
- Turkey
| | - Ahmet Şenocak
- Department of Chemistry
- Gebze Technical University
- Gebze 41400
- Turkey
| | - Erhan Demirbas
- Department of Chemistry
- Gebze Technical University
- Gebze 41400
- Turkey
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23
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Liu Y, Zhang D, Ding J, Hayat K, Yang X, Zhan X, Zhang D, Lu Y, Zhou P. Label-Free and Sensitive Determination of Cadmium Ions Using a Ti-Modified Co 3O 4-Based Electrochemical Aptasensor. BIOSENSORS-BASEL 2020; 10:bios10120195. [PMID: 33266040 PMCID: PMC7761109 DOI: 10.3390/bios10120195] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 11/20/2020] [Accepted: 11/26/2020] [Indexed: 01/05/2023]
Abstract
The current work demonstrates an electrochemical aptasensor for sensitive determination of Cd2+ based on the Ti-modified Co3O4 nanoparticles. In this unlabeled system, Ti-modified Co3O4 nanoparticles act as current signal amplifiers modified on the screen-printed carbon electrode (SPCE) surface, while the derivative aptamer of Cd2+ works as a target recognizer. In addition, the sensing is based on the increase in electrochemical probe thionine current signal due to the binding of aptamer to Cd2+ via specific recognition. In the current study, key parameters, including aptamer concentration, pH, and incubation time were optimized, respectively, to ensure sensing performance. Cyclic voltammetry was used not only to characterize each preparation and optimization step, but also to profile the bindings of aptamer to Cd2+. Under optimal conditions, Cd2+ can be determined in a linear range of 0.20 to 15 ng/mL, with a detection limit of 0.49 ng/mL, significantly below the maximum concentration limit set by the U.S. Environmental Protection Agency. Based on comparative analysis and the results of recovery test with real samples, this simple, label-free but highly selective method has considerable potential and thus can be used as an in-situ environmental monitoring platform for Cd2+ testing.
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Affiliation(s)
- Yang Liu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China; (Y.L.); (D.Z.); (J.D.); (K.H.); (X.Y.); (X.Z.); (D.Z.); (Y.L.)
- Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai 200240, China
- Bor S. Luh Food Safety Research Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Dongwei Zhang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China; (Y.L.); (D.Z.); (J.D.); (K.H.); (X.Y.); (X.Z.); (D.Z.); (Y.L.)
- Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai 200240, China
- Bor S. Luh Food Safety Research Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jina Ding
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China; (Y.L.); (D.Z.); (J.D.); (K.H.); (X.Y.); (X.Z.); (D.Z.); (Y.L.)
- Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai 200240, China
- Bor S. Luh Food Safety Research Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Kashif Hayat
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China; (Y.L.); (D.Z.); (J.D.); (K.H.); (X.Y.); (X.Z.); (D.Z.); (Y.L.)
- Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai 200240, China
- Bor S. Luh Food Safety Research Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xijia Yang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China; (Y.L.); (D.Z.); (J.D.); (K.H.); (X.Y.); (X.Z.); (D.Z.); (Y.L.)
- Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai 200240, China
- Bor S. Luh Food Safety Research Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xuejia Zhan
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China; (Y.L.); (D.Z.); (J.D.); (K.H.); (X.Y.); (X.Z.); (D.Z.); (Y.L.)
- Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai 200240, China
- Bor S. Luh Food Safety Research Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Dan Zhang
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China; (Y.L.); (D.Z.); (J.D.); (K.H.); (X.Y.); (X.Z.); (D.Z.); (Y.L.)
- Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai 200240, China
- Bor S. Luh Food Safety Research Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yitong Lu
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China; (Y.L.); (D.Z.); (J.D.); (K.H.); (X.Y.); (X.Z.); (D.Z.); (Y.L.)
- Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai 200240, China
- Bor S. Luh Food Safety Research Center, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Pei Zhou
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai 200240, China; (Y.L.); (D.Z.); (J.D.); (K.H.); (X.Y.); (X.Z.); (D.Z.); (Y.L.)
- Key Laboratory of Urban Agriculture, Ministry of Agriculture and Rural Affairs, Shanghai 200240, China
- Bor S. Luh Food Safety Research Center, Shanghai Jiao Tong University, Shanghai 200240, China
- Correspondence: ; Tel.: +86-021-34205762
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24
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Iron oxide @ gold nanoparticles: Synthesis, properties and potential use as anode materials for lithium-ion batteries. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125178] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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25
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Medetalibeyoglu H, Kotan G, Atar N, Yola ML. A novel sandwich-type SERS immunosensor for selective and sensitive carcinoembryonic antigen (CEA) detection. Anal Chim Acta 2020; 1139:100-110. [PMID: 33190692 DOI: 10.1016/j.aca.2020.09.034] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/29/2020] [Accepted: 09/17/2020] [Indexed: 01/09/2023]
Abstract
Monitoring the malignant tumors via cancer biomarkers is very significant process. Nonetheless, the practical clinical applications need selective and sensitive analytical methods/techniques. In this study, a novel sandwich type immunosensor based on surface-enhanced raman scattering (SERS) was presented including 4-mercaptobenzoic acid labeled MoS2 nanoflowers@Au nanoparticles (MoS2 NFs@Au NPs/ MBA) as CEASERS tag and Fe3O4@Au nanoparticles functionalized delaminated Ti3C2Tx MXene (Fe3O4 NPs@Au NPs/d-Ti3C2TX MXene) as SERS magnetic supporting substrate for carcinoembryonic antigen (CEA) detection. Especially, the determination of single molecule by using SERS method enables early diagnosis of major diseases. In addition, this technique can be utilized for multiplex analyzes owing to narrow well-resolved peaks. The prepared CEASERS tag and SERS magnetic supporting substrate were characterized by scanning electron microscope (SEM), x-ray diffraction (XRD) method, x-ray photoelectron spectroscopy (XPS), transmission electron microscopy (TEM) and fourier transform infrared spectroscopy (FTIR). A linearity of 0.0001-100.0 ng mL-1 was observed with high sensitivity. Finally, sandwich type immunosensor demonstrated good selectivity and stability for target CEA recognition in plasma sample.
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Affiliation(s)
- Hilal Medetalibeyoglu
- Kafkas University, Faculty of Science and Letters, Department of Chemistry, Kars, Turkey
| | - Gül Kotan
- Kafkas University, Department of Chemistry and Chemical Processing Technologies, Kars Vocational School, Kars, Turkey
| | - Necip Atar
- Pamukkale University, Faculty of Engineering, Department of Chemical Engineering, Denizli, Turkey
| | - Mehmet Lütfi Yola
- Iskenderun Technical University, Faculty of Engineering and Natural Sciences, Department of Biomedical Engineering, Hatay, Turkey.
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26
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The Use of Aptamers and Molecularly Imprinted Polymers in Biosensors for Environmental Monitoring: A Tale of Two Receptors. CHEMOSENSORS 2020. [DOI: 10.3390/chemosensors8020032] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Effective molecular recognition remains a major challenge in the development of robust receptors for biosensing applications. Over the last three decades, aptamers and molecularly imprinted polymers (MIPs) have emerged as the receptors of choice for use in biosensors as viable alternatives to natural antibodies, due to their superior stability, comparable binding performance, and lower costs. Although both of these technologies have been developed in parallel, they both suffer from their own unique problems. In this review, we will compare and contrast both types of receptor, with a focus on the area of environmental monitoring. Firstly, we will discuss the strategies and challenges involved in their development. We will also discuss the challenges that are involved in interfacing them with the biosensors. We will then compare and contrast their performance with a focus on their use in the detection of environmental contaminants, namely, antibiotics, pesticides, heavy metals, and pathogens detection. Finally, we will discuss the future direction of these two technologies.
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