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Li Y, Zhang Y, Javed R, Li R, Zhao H, Liu X, Zhang C, Cao H, Ye D. Nonmetal catalyst boosting amplification of both colorimetric and electrochemical signal for multi-mode nitrite sensing. Food Chem 2024; 441:138315. [PMID: 38181667 DOI: 10.1016/j.foodchem.2023.138315] [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: 06/02/2023] [Revised: 12/14/2023] [Accepted: 12/26/2023] [Indexed: 01/07/2024]
Abstract
Recently, nanozymes as an outstanding alternative to natural enzymes has attracted wide attention because of its high stability performance. In this study, PNC nonmetal nanozymes with high oxidase-like activity was synthesized can specifically catalyze colorless 3,3,5,5-tetramethyl-benzidine(TMB) to form blue oxidized TMB (TMBox). In the presence of nitrite, it further oxidizes TMBox to obtain yellow derivative products attributed to nitrite inducing diazotization reaction in TMBox. Based on this principle, a colorimetric and electrochemical sensing system was developed, and the ultra-sensitive multi-mode detection of nitrite was realized by combining RGB mode of smart phone, UV-Vis spectrum and electrochemical method. Compared with single signal detection, the multi-mode sensing system can realize self-validation to achieve more reliable detection results. What's more, the developed multi-mode sensing could quickly and sensitively detect nitrite in real sample, especially RGB mode of smart phone meeting the equipment limited areas, suggesting a broad application prospects in food safety.
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Affiliation(s)
- Ying Li
- School of Food Science and Engineering, Hainan University, Haikou 570228, PR China
| | - Yuyang Zhang
- School of Food Science and Engineering, Hainan University, Haikou 570228, PR China
| | - Rida Javed
- Institute for Sustainable Energy, Materials Science and Engineering, College of Sciences, Shanghai University, Shanghai 200444, PR China
| | - Rui Li
- School of Food Science and Engineering, Hainan University, Haikou 570228, PR China
| | - Hongbin Zhao
- Institute for Sustainable Energy, Materials Science and Engineering, College of Sciences, Shanghai University, Shanghai 200444, PR China
| | - Xing Liu
- School of Food Science and Engineering, Hainan University, Haikou 570228, PR China
| | - Chenghui Zhang
- School of Food Science and Engineering, Hainan University, Haikou 570228, PR China; Hainan Institute for Food Control, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Haikou 570314, PR China
| | - Hongmei Cao
- School of Food Science and Engineering, Hainan University, Haikou 570228, PR China; Hainan Institute for Food Control, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Haikou 570314, PR China.
| | - Daixin Ye
- Institute for Sustainable Energy, Materials Science and Engineering, College of Sciences, Shanghai University, Shanghai 200444, PR China.
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2
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Gao Y, Wang J, Zhao LL, Yuan BY, Kong YN, Luo JJ, Zhao SC, Yang WM, Liu RL. Biotemplated fabrication of N/O co-doped porous carbon confined spinel NiFe 2O 4 heterostructured mimetics for triple-mode sensing of antioxidants and ameliorating packaging properties. Food Chem 2024; 441:138365. [PMID: 38211476 DOI: 10.1016/j.foodchem.2024.138365] [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: 07/13/2023] [Revised: 12/22/2023] [Accepted: 01/03/2024] [Indexed: 01/13/2024]
Abstract
In this work, shrimp shell-derived magnetic NiFe2O4/N, O co-doped porous carbon nanozyme with superior oxidase (OXD)-like activity was prepared and used for colorimetric/photothermal/smartphone dual-signal triple-mode detection of antioxidants in fruits and beverages. The magnetic NiFe2O4/N, O co-doped porous carbon (MNPC) material was triumphantly fabricated using a combined in-situ surface chelation and pyrolysis method. The resultant MNPC composite exhibits a superior OXD-like activity, which can effectively oxidize 3,3',5,5'-tetramethylbenzidine (TMB) for yielding colorimetric/temperature dual-signal (CTDS) in absence of H2O2. This CTDS output sensor was successfully used for the determination of ascorbic acid and tannic acid. The proposed CTDS sensor with good specificity and high sensitivity can satisfy different on-site analysis requirements. Interestingly, the MNPC as a sustainable filler was further used for improving packaging properties of polyvinyl alcohol film. In short, this work offers a large-scale and cheap method to fabricate magnetic carbon-based nanozyme for monitoring antioxidants and ameliorating packaging properties.
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Affiliation(s)
- Yuan Gao
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
| | - Juan Wang
- School of Electronic Information, Xijing University, Xi'an 710123, China
| | - Lin-Lan Zhao
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
| | - Bo-Yi Yuan
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
| | - Ya-Nan Kong
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
| | - Jing-Jing Luo
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
| | - Shu-Chang Zhao
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China
| | - Wei-Ming Yang
- School of Mechanics and Civil Engineering, China University of Mining and Technology, Xuzhou 221116, China
| | - Rui-Lin Liu
- School of Pharmacy, Xuzhou Medical University, Xuzhou 221004, China.
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3
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Wang JL, Chen GY, Chai TQ, Chen LX, Chen H, Yang FQ. Construction of Mn-decorated zeolitic imidazolate framework-90 nanostructure as superior oxidase-like mimic for colorimetric detection of glucose and choline. Talanta 2024; 271:125708. [PMID: 38295443 DOI: 10.1016/j.talanta.2024.125708] [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: 04/02/2023] [Revised: 12/26/2023] [Accepted: 01/22/2024] [Indexed: 02/02/2024]
Abstract
A Mn decorated zeolitic imidazolate framework-90 (ZIF-90) nanozyme (Mn/ZIF-90) was constructed through an effective and rapid post-synthetic strategy for the first time. The Mn in Mn/ZIF-90 exists in mixed valence states, which is doped to the ZIF-90 through the formation of Mn-O bond. The Zn-N coordination structure of ZIF-90 may change the electronic arrangement of oxygen atoms in the free carbonyl groups (-CHO), allowing the coordination of Mn with O. The prepared Mn/ZIF-90 possesses outstanding oxidase-like activity and remarkable stability. Besides, the catalytic activity of Mn/ZIF-90 can be inhibited in the presence of H2O2. Therefore, using the Mn/ZIF-90-triggered chromogenic reaction of 3,3',5,5'-tetramethylbenzidine (TMB) as an amplifier, a versatile enzyme cascade-based colorimetric method for the detection of glucose and choline with good sensitivity and selectivity was developed. The linear ranges for glucose and choline are 6.25-500 μM and 5-1000 μM, respectively. Furthermore, the developed method was applied in the detection of glucose and choline in rabbit plasma samples, and the recoveries are 89.5-107.3 % and 96.0-109.3 %, respectively. In short, the simple and efficient post-synthetic doping method may provide a new thought for the rational designs of enzyme mimics with improved catalytic performance. Moreover, the colorimetric method based on the excellent catalytic activity of Mn/ZIF-90 may be extended to detect other H2O2-generating or consuming molecules and evaluate the activity of bio-enzymes that can catalyze the generation of glucose or choline.
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Affiliation(s)
- Jia-Li Wang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331, China
| | - Guo-Ying Chen
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331, China
| | - Tong-Qing Chai
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331, China
| | - Ling-Xiao Chen
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331, China
| | - Hua Chen
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331, China
| | - Feng-Qing Yang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331, China.
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4
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Wang W, Chen D, Cai Y, Liu Z, Yang H, Xie H, Liu J, Yang S. Sodium alginate hydrogelation mediated paper-based POCT sensor for visual distance reading and smartphone-assisted colorimetric dual-signal determination of L-lactate. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:2077-2084. [PMID: 38511294 DOI: 10.1039/d4ay00041b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Herein, we present a paper-based POCT sensor based on lactate dehydrogenase-mediated alginate gelation combined with visual distance reading and smartphone-assisted colorimetric dual-signal analysis to determine the concentration of L-lactate in yogurt samples. In this research, L-lactate was transformed into pyruvate by lactate dehydrogenase. Pyruvate then triggered the gelation of a sol mixture, increasing the viscosity (ηs) of the mixture, which was shown as a decrease in the diffusion diameter on the paper-based sensor. In addition, protons from pyruvate accelerated the degradation of Rhodamine B, causing color fading of the mixture, which was analyzed using RGB analysis application software. Under optimal experimental conditions, the linear ranges of visual distance reading and smartphone-assisted colorimetric analysis were 0.1-15 μM and 0.3-15 μM and the detection limits were 0.03 μM and 0.07 μM, respectively. As a proof-of-concept application, we exploited the paper-based sensor to determine the concentration of L-lactate in yogurt samples. The results from the dual-signal paper-based sensor were consistent with the ones from HPLC analysis. In short, this study developed a simple, convenient, cost-effective, and feasible method for the quantitative detection of L-lactate in real samples.
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Affiliation(s)
- Wenjuan Wang
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
- Hunan Key Laboratory of Typical Environment Pollution and Health Hazards, University of South China, Hengyang, Hunan, 421001, China
| | - Danrong Chen
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
- Hunan Key Laboratory of Typical Environment Pollution and Health Hazards, University of South China, Hengyang, Hunan, 421001, China
| | - Yujiao Cai
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
- Hunan Key Laboratory of Typical Environment Pollution and Health Hazards, University of South China, Hengyang, Hunan, 421001, China
| | - Zijing Liu
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
- Hunan Key Laboratory of Typical Environment Pollution and Health Hazards, University of South China, Hengyang, Hunan, 421001, China
| | - Hongfen Yang
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
- Hunan Key Laboratory of Typical Environment Pollution and Health Hazards, University of South China, Hengyang, Hunan, 421001, China
| | - Hongbin Xie
- Hengyang Center for Disease Control and Prevention, Hengyang, Hunan, 421001, China
| | - Jinquan Liu
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
- Hunan Key Laboratory of Typical Environment Pollution and Health Hazards, University of South China, Hengyang, Hunan, 421001, China
| | - Shengyuan Yang
- Department of Public Health Laboratory Sciences, School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, 421001, China.
- Hunan Key Laboratory of Typical Environment Pollution and Health Hazards, University of South China, Hengyang, Hunan, 421001, China
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5
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Wu S, Xia J, Li R, Cao H, Ye D. Perspectives for the Role of Single-Atom Nanozymes in Assisting Food Safety Inspection and Food Nutrition Evaluation. Anal Chem 2024; 96:1813-1824. [PMID: 38271678 DOI: 10.1021/acs.analchem.3c04339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2024]
Abstract
Single-atom nanozymes (SAzymes) have been greatly developed for rapid detection, owing to their rich active sites and excellent catalytic activity. Although several excellent reviews concentrating on SAzymes have been reported, they mainly focused on advanced synthesis, sensing mechanisms, and biomedical applications. To date, few reviews elaborate on the promising applications of SAzymes in food safety inspection and food nutrition evaluation. In this paper, we systematically reviewed the enzyme-like activity of SAzymes and the catalytic mechanism, in addition to recent research advances of SAzymes in the domain of food safety inspection and food nutrition evaluation in the past few years. Furthermore, current challenges hampering practical applications of SAzymes in food assay are summarized and analyzed, and possible research areas focusing on SAzyme-based sensors in rapid food testing are also proposed.
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Affiliation(s)
- Shuo Wu
- College of Food Science and Engineering, Hainan University, Haikou 570100, PR China
| | - Jianing Xia
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, PR China
| | - Rui Li
- College of Food Science and Engineering, Hainan University, Haikou 570100, PR China
| | - Hongmei Cao
- College of Food Science and Engineering, Hainan University, Haikou 570100, PR China
- Hainan Institute for Food Control, Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation, Haikou 570314, PR China
| | - Daixin Ye
- Institute for Sustainable Energy, College of Sciences, Shanghai University, Shanghai 200444, PR China
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6
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He Z, Zhang J, Liu M, Meng Y. Polyvalent aptamer scaffold coordinating light-responsive oxidase-like nanozyme for sensitive detection of zearalenone. Food Chem 2024; 431:136908. [PMID: 37573743 DOI: 10.1016/j.foodchem.2023.136908] [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: 04/17/2023] [Revised: 06/19/2023] [Accepted: 07/12/2023] [Indexed: 08/15/2023]
Abstract
An efficient aptasensor was developed for the colorimetric determination of zearalenone (ZEN) based on polyvalent aptamer scaffold and light-responsive oxidase-like nanozyme. The sensitivity and efficiency of the development method were significantly improved owing to rich aptamers and signal labels (3, 4-dihydroxybenzoic acid, PCA) packed in the scaffold. The scaffold integrated functions of target recognition, surface immobilization and signal transduction. The photoresponsive nanoenzyme of TiO2-PCA was formed by PCA coordinated with Ti (IV) on the surface of TiO2. TiO2-PCA catalyzed dissolved oxygen rather than H2O2 to generate colorimetric signal by stimulating the chromogenic substrate, which made the assay greener and safer. The detection limit of colorimetric mode was 0.0087 ng/mL and the satisfactory recoveries 92.00 %-111.00 % were achieved in spiked food samples. This strategy opens new horizons for sensitive detection of small molecule hazards and promises to be a powerful tool for safeguarding food safety.
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Affiliation(s)
- Ziyang He
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China
| | - Jinxin Zhang
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China
| | - Mei Liu
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China; The Engineering Research Center for High-Valued Utilization of Fruit Resources in Western China, Ministry of Education, Xi'an 710119, China.
| | - Yonghong Meng
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710119, China; The Engineering Research Center for High-Valued Utilization of Fruit Resources in Western China, Ministry of Education, Xi'an 710119, China
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7
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Zhu Y, Deng X, Chen J, Hu Z, Wu F. Coffee grounds-derived carbon quantum dots as peroxidase mimetics for colorimetric and fluorometric detection of ascorbic acid. Food Chem 2023; 429:136957. [PMID: 37499505 DOI: 10.1016/j.foodchem.2023.136957] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 07/14/2023] [Accepted: 07/19/2023] [Indexed: 07/29/2023]
Abstract
In this study, we reported the eco-responsible synthesis of iron-doped carbon quantum dots (Fe-CQDs) from waste coffee grounds through a simple hydrothermal method. The Fe-CQDs exhibited high peroxidase-like activity, which could convert 3,3',5,5'-tetramethylbenzidine (TMB) into blue ox-TMB in the presence of H2O2. After adding ascorbic acid (AA) to above system, the blue solution faded. Based on this phenomenon, a colorimetric method for visual monitoring of H2O2 and AA was developed. Meanwhile, the fluorescence of Fe-CQDs can be quenched by the formed ox-TMB via inner filter effect (IFE), followed by the recovery upon the addition of AA. Therefore, Fe-CQDs can be acted as a fluorescent probe to detect H2O2 and AA through the "on-off-on" mode. Furthermore, the dual-recognition methods based on Fe-CQDs were used to measure AA content in beverage samples. Thus, this work would shed much light on converting waste into biomass CQDs and their potential applications in biomolecular detection.
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Affiliation(s)
- Yuyan Zhu
- Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Key Laboratory of Novel Biomass-Based Environmental and Energy Materials in Petroleum and Chemical Industry, Key Laboratory for Green Chemical Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, PR China
| | - Xiang Deng
- Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Key Laboratory of Novel Biomass-Based Environmental and Energy Materials in Petroleum and Chemical Industry, Key Laboratory for Green Chemical Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, PR China
| | - Jiaming Chen
- Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Key Laboratory of Novel Biomass-Based Environmental and Energy Materials in Petroleum and Chemical Industry, Key Laboratory for Green Chemical Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, PR China
| | - Zhiyuan Hu
- Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Key Laboratory of Novel Biomass-Based Environmental and Energy Materials in Petroleum and Chemical Industry, Key Laboratory for Green Chemical Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, PR China; National Center for Nanoscience and Technology, Beijing 100190, PR China
| | - Fengshou Wu
- Hubei Key Laboratory of Novel Reactor and Green Chemical Technology, Key Laboratory of Novel Biomass-Based Environmental and Energy Materials in Petroleum and Chemical Industry, Key Laboratory for Green Chemical Process of Ministry of Education, School of Chemical Engineering and Pharmacy, Wuhan Institute of Technology, Wuhan 430205, PR China.
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8
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Kant T, Shrivas K, Tejwani A, Tandey K, Sharma A, Gupta S. Progress in the design of portable colorimetric chemical sensing devices. NANOSCALE 2023; 15:19016-19038. [PMID: 37991896 DOI: 10.1039/d3nr03803c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
The need for precise determination of heavy metals, anions, biomolecules, pesticides, drugs, and other substances is vital across clinical, environmental, and food safety domains. Recent years have seen significant progress in portable colorimetric chemical sensing devices, revolutionizing on-the-spot analysis. This review offers a comprehensive overview of these advancements, covering handheld colorimetry, RGB-based colorimetry, paper-based colorimetry, and wearable colorimetry devices. It explores the underlying principles, functional materials (chromophoric reagents/dyes and nanoparticles), detection mechanisms, and their applications in environmental monitoring, clinical care, and food safety. Noble metal nanoparticles (NPs) have arisen as promising substitutes in the realm of sensing materials. They display notable advantages, including heightened sensitivity, the ability to fine-tune their plasmonic characteristics for improved selectivity, and the capacity to induce visible color changes, and simplifying detection. Integration of NPs fabricated paper device with smartphones and wearables facilitates reagent-free, cost-effective, and portable colorimetric sensing, enabling real-time analysis and remote monitoring.
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Affiliation(s)
- Tushar Kant
- Shaheed Kawasi Rodda Pedda, Govt. College Kuakonda, Dantewada-494552, CG, India.
| | - Kamlesh Shrivas
- School of Studies in Chemistry, Pt. Ravishankar Shukla University, Raipur-492010, CG, India.
| | - Ankita Tejwani
- School of Studies in Chemistry, Pt. Ravishankar Shukla University, Raipur-492010, CG, India.
| | - Khushali Tandey
- School of Studies in Chemistry, Pt. Ravishankar Shukla University, Raipur-492010, CG, India.
| | - Anuradha Sharma
- Department of Zoology, Govt. Nagarjuna P.G. College of Science, Raipur-492010, CG, India
| | - Shashi Gupta
- Department of Zoology, Govt. Nagarjuna P.G. College of Science, Raipur-492010, CG, India
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9
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Li W, Sun J, Xin Y, Han Y, Sun Y, Li A, Wang Z. A novel copper-based nanozyme: fabrication and application for colorimetric detection of resveratrol. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:6252-6258. [PMID: 37955250 DOI: 10.1039/d3ay01666h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/14/2023]
Abstract
A novel nanozyme (urea@Cu-NF) was synthesized by self-assembly of urea and copper phosphate with urea as plasticizer. Urea@Cu-NF exhibited excellent peroxidase-like activity with the ability to oxidize TMB in the presence of H2O2. However, its peroxidase-like activity could be inhibited by resveratrol, leading to an absorption decrease in the intensity of oxTMB. Based on this phenomenon, a colorimetric method was designed for resveratrol detection. The colorimetric reaction could be completed within 20 min with a linear range of 1-120 μM. The limit of detection (LOD) of resveratrol is 0.43 μM. Our experimental results demonstrate that urea@Cu-NF has enormous potential to function as a cheap and accurate quality detection tool.
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Affiliation(s)
- Wanxin Li
- Key Laboratory of Molecular Enzymology and Engineering of Ministry of Education, College of Life Science, Jilin University, Changchun 130023, P. R. China.
| | - Jiaxin Sun
- Key Laboratory of Molecular Enzymology and Engineering of Ministry of Education, College of Life Science, Jilin University, Changchun 130023, P. R. China.
| | - Yao Xin
- Key Laboratory of Molecular Enzymology and Engineering of Ministry of Education, College of Life Science, Jilin University, Changchun 130023, P. R. China.
| | - Yu Han
- Key Laboratory of Molecular Enzymology and Engineering of Ministry of Education, College of Life Science, Jilin University, Changchun 130023, P. R. China.
| | - Yanyang Sun
- Key Laboratory of Molecular Enzymology and Engineering of Ministry of Education, College of Life Science, Jilin University, Changchun 130023, P. R. China.
| | - Aijun Li
- College of Physics, Jilin University, Changchun 130033, P. R. China.
| | - Zhi Wang
- Key Laboratory of Molecular Enzymology and Engineering of Ministry of Education, College of Life Science, Jilin University, Changchun 130023, P. R. China.
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10
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Yin Q, Yang X, Yang L, Yang D, Yang Y, Zhu Y. Cu, I-doped carbon dots as simulated nanozymes for the colorimetric detection of morphine in biological samples. Anal Biochem 2023; 680:115313. [PMID: 37678583 DOI: 10.1016/j.ab.2023.115313] [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: 06/27/2023] [Revised: 08/24/2023] [Accepted: 09/03/2023] [Indexed: 09/09/2023]
Abstract
As newly developed synthetic enzymes with exceptional catalytic capabilities and outstanding stability, nanozymes have drawn considerable interest in the realm of sensing. Using a simple hydrothermal process, iodine and copper-doped carbon dots (Cu,I-CDs) with simulated enzymes were fabricated in the current investigation. Cu,I-CDs demonstrate peroxidase-mimicking function together with high catalytic effectiveness due to aforementioned features. This led to generation of a colorimetric sensor for quick and accurate quantitative assessment of morphine (MOR). The outcomes showed the method's usefulness for the colorimetric detection of MOR. The linear range for MOR detection is 0.25-25 μg/mL having a reduced detection limit of 64 ng/mL. This sensor's successful use in the analysis of MOR in biological material is more noteworthy.
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Affiliation(s)
- Qinhong Yin
- Key Laboratory of Smart Drugs Control, Ministry of Education, Kunming, 650223, China; Yunnan Key Laboratory of Smart Drugs Control, Kunming, 650223, China; Yunnan Police College, Kunming, 650223, China
| | - Xiaolan Yang
- Key Laboratory of Natural Products Synthetic Biology of Ethnic Medicina Endophytes, Yunnan Minzu University, Kunming, 650500, China
| | - Lihua Yang
- Key Laboratory of Smart Drugs Control, Ministry of Education, Kunming, 650223, China; Yunnan Key Laboratory of Smart Drugs Control, Kunming, 650223, China; Yunnan Police College, Kunming, 650223, China
| | - Dezhi Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, Yunnan, China
| | - Yaling Yang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, 650500, Yunnan, China
| | - Yanqin Zhu
- Research Center for Analysis and Measurement, Kunming University of Science and Technology, Kunming, 650093, China.
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11
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Pan Y, Jiang J, Kan X. Diazo-reaction based dual-mode colorimetric-electrochemical sensing of nitrite in pickled food. Analyst 2023; 148:4869-4876. [PMID: 37642153 DOI: 10.1039/d3an01196h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Development of an effective and convenient sensor for sensitive detection of nitrites is of great concern since excessive amounts of nitrites can be harmful to both human health and the environment. In this work, Cu-MOF modified exfoliated graphite paper (EGP) was employed as a signal reporter to enable the visual and electrochemical dual-mode sensing of nitrites. Cu-MOFs were in situ synthesized on EGP, which exhibited an excellent oxidase enzyme-like activity to oxidize 3,3',5,5'-tetramethylbenzidine (TMB) into its oxidation product (oxTMB). The multi-layer structure and the superior electrical conductivity of EGP not only facilitated the loading of the Cu-MOF nanozyme for colorimetric sensing but also enabled its use as an underlying backbone to support electroanalysis. Based on the recognition of nitrite through a highly specific diazo reaction between nitrite and oxTMB, the addition of nitrite caused the colorimetric sensing solution to change color from blue to green, which allowed for the colorimetric sensing of nitrite with a limit of detection (LOD) of 8.5 × 10-6 mol L-1. Meanwhile, the Cu-MOF/EGP electrochemical platform was employed for ratiometric detection of nitrite based on the electrochemical oxidation of nitrite and TMB. Compared with the colorimetric mode, the electrochemical mode possessed higher sensitivity with a LOD of 5.4 × 10-7 mol L-1, indicating the high sensitivity and accuracy of the proposed dual-mode sensing strategy. Furthermore, the determination of nitrite in different pickled food samples is demonstrated.
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Affiliation(s)
- Yixin Pan
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China
- The Key Laboratory of Functional Molecular Solids, Ministry of Education; Anhui Laboratory of Molecule-Based Materials, Anhui Key Laboratory of Chemo-Biosensing, China.
| | - Jing Jiang
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China
- The Key Laboratory of Functional Molecular Solids, Ministry of Education; Anhui Laboratory of Molecule-Based Materials, Anhui Key Laboratory of Chemo-Biosensing, China.
| | - Xianwen Kan
- College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, P. R. China
- The Key Laboratory of Functional Molecular Solids, Ministry of Education; Anhui Laboratory of Molecule-Based Materials, Anhui Key Laboratory of Chemo-Biosensing, China.
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Qiao W, Liu Y, Fan X, Yang Y, Liu W, Wang L, Hu Z, Liu F, Jin C, Sun X, Liu D, Liu Q, Li L. Rapid and sensitive determination of ascorbic acid based on label-free silver triangular nanoplates. Curr Res Food Sci 2023; 7:100548. [PMID: 37534308 PMCID: PMC10391723 DOI: 10.1016/j.crfs.2023.100548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 07/01/2023] [Accepted: 07/09/2023] [Indexed: 08/04/2023] Open
Abstract
In this study, a new method for the detection of ascorbic acid (AA) was proposed. It was based on the protective effect of AA on silver triangular nanoplates (Ag TNPs) against Cl- induced etching reactions. Cl- can attack the corners of Ag TNPs and etch them, causing a morphological shift from triangular nanoplates to nanodiscs. As a result, the solution changes color from blue to yellow. However, in the presence of AA, the corners of Ag TNPs can be protected from Cl- etching, and the blue color of the solution remains unchanged. Using this effect, a selective sensor was designed to detect AA in the range of 0-40.00 μM with a detection limit of 2.17 μM. As the concentration of AA varies in this range, color changes from yellow to blue can be easily observed, so the designed sensor can be used for colorimetric detection. This method can be used to analyze fruit juice samples.
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Affiliation(s)
- Wenteng Qiao
- College of Food Engineering, Ludong University, Yantai 264025, Shandong, China
| | - Yushen Liu
- College of Food Engineering, Ludong University, Yantai 264025, Shandong, China
- Bio-Nanotechnology Research Institute, Ludong University, Yantai, 264025, Shandong, China
| | - Xiaotong Fan
- College of Food Engineering, Ludong University, Yantai 264025, Shandong, China
| | - Yunfeng Yang
- College of Food Engineering, Ludong University, Yantai 264025, Shandong, China
| | - Wenmei Liu
- College of Food Engineering, Ludong University, Yantai 264025, Shandong, China
| | - Luliang Wang
- College of Food Engineering, Ludong University, Yantai 264025, Shandong, China
- Bio-Nanotechnology Research Institute, Ludong University, Yantai, 264025, Shandong, China
| | - Zhenhua Hu
- College of Food Engineering, Ludong University, Yantai 264025, Shandong, China
- Bio-Nanotechnology Research Institute, Ludong University, Yantai, 264025, Shandong, China
| | - Fangjie Liu
- College of Food Engineering, Ludong University, Yantai 264025, Shandong, China
- Bio-Nanotechnology Research Institute, Ludong University, Yantai, 264025, Shandong, China
| | - Chengwu Jin
- College of Food Engineering, Ludong University, Yantai 264025, Shandong, China
| | - Xuemei Sun
- College of Food Engineering, Ludong University, Yantai 264025, Shandong, China
| | - Daotan Liu
- College of Food Engineering, Ludong University, Yantai 264025, Shandong, China
| | - Quanwen Liu
- College of Food Engineering, Ludong University, Yantai 264025, Shandong, China
| | - Lin Li
- Yantai Food and Drug Inspection and Testing Center, Yantai 264035, Shandong, China
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Karakuş S, Özbaş F, Baytemir G, Taşaltın N. Cubic-shaped corylus colurna extract coated Cu 2O nanoparticles-based smartphone biosensor for the detection of ascorbic acid in real food samples. Food Chem 2023; 417:135918. [PMID: 36940511 DOI: 10.1016/j.foodchem.2023.135918] [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: 10/28/2022] [Revised: 02/24/2023] [Accepted: 03/06/2023] [Indexed: 03/16/2023]
Abstract
Ascorbic acid (AA) is a highly water-soluble organic chemical compound and plays a significant role in human metabolism. For the purpose of food quality monitoring, this study focuses on the development of a smartphone-integrated colorimetric and non-enzymatic electrochemical Corylus Colurna (CC) extract-Cu2O nanoparticles (Cu2O NPs) biosensor to detect AA in real food samples. The characterization of the CC-Cu2O NPs was determined using SEM, SEM/EDX, HRTEM, XRD, FTIR, XPS, TGA, and DSC. The CC-Cu2O NPs are cubic in shape with an approximate size of 10 nm. According to electrochemical results, the oxidation of AA at the modified electrode exhibited a LOD of 27.92 nmolL-1 in a wide concentration range of 0.55-22 mmolL-1. The fabricated digital CC-Cu2O NPs sensor successfully detected AA in food samples. This strategy provides a nanoplatform to determine the detection of AA in food samples.
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Affiliation(s)
- Selcan Karakuş
- Istanbul University-Cerrahpaşa, Department of Chemistry, Faculty of Engineering, Avcılar, Istanbul 34320, Turkey.
| | - Fatih Özbaş
- Fatih Sultan Mehmet Vakif University, Research Center for the Conservation of Cultural Property of Foundation, 34083 Istanbul, Turkey
| | - Gülsen Baytemir
- Maltepe University, Department of Electrical and Electronics Eng., 34857 Istanbul, Turkey; Maltepe University, Dept. of Renewable Energy Tech. and Management, Istanbul, Turkey
| | - Nevin Taşaltın
- Maltepe University, Dept. of Renewable Energy Tech. and Management, Istanbul, Turkey; Maltepe University, Department of Basic Sciences, Istanbul, Turkey; Maltepe University Environment and Energy Technologies Research Center, Istanbul, Turkey; CONSENS Inc., Maltepe University Research Center, Technopark Istanbul, Istanbul, Turkey
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