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Tai S, Cao H, Cui Y, Peng C, Xu J, Wang Z. Sensitive colorimetric and fluorescence dual-mode detection of thiophanate-methyl based on spherical Fe 3O 4/GONRs composite nanozyme. Food Chem 2024; 450:139258. [PMID: 38626710 DOI: 10.1016/j.foodchem.2024.139258] [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: 01/03/2024] [Revised: 04/02/2024] [Accepted: 04/03/2024] [Indexed: 04/18/2024]
Abstract
Pesticide detection based on nanozyme is largely limited in terms of the variety of pesticides. Herein, a spherical and well-dispersed Fe3O4/graphene oxide nanoribbons (Fe3O4/GONRs) composite nanozyme was applied to firstly develop an enzyme-free and sensitive colorimetric and fluorescence dual-mode detection of thiophanate-methyl (TM). The synthesized Fe3O4/GONRs possess excellent dual enzyme-like activities (peroxidase and catalase) and can catalyze H2O2 to oxidize 3,3',5,5'-tetramethylbenzidine (TMB) into oxidized TMB (oxTMB). We found that Fe3O4/GONRs can adsorb TM through the synergistic effect of multiple forces, thereby inhibiting the catalytic activities of nanozyme. This inhibition can modulate the transformation of TMB to oxTMB, producing dual responses of absorbance decrease (oxTMB) and fluorescence enhancement (TMB). The limits of detection (LODs) of TM were 28.1 ng/mL (colorimetric) and 8.81 ng/mL (fluorescence), respectively. Moreover, the developed method with the recoveries of 94.8-100.8% also exhibited a good potential application in the detection of pesticides residues in water and food samples.
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Affiliation(s)
- Shengmei Tai
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Hui Cao
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Yingkang Cui
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Chifang Peng
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Life Science and Health Engineering, Jiangnan University, Wuxi 214122, China; International Joint Laboratory On Food Safety, Jiangnan University, Wuxi 214122, China.
| | - Jianguo Xu
- Key Laboratory of Molecular Recognition and Sensing, College of Biological, Chemical Sciences and Engineering, Jiaxing University, Jiaxing 314001, China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; School of Life Science and Health Engineering, Jiangnan University, Wuxi 214122, China; International Joint Laboratory On Food Safety, Jiangnan University, Wuxi 214122, China
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Wang X, Liu C, Tao H, Jing H, Li R, Zhao Y, Chen X, Zhao X, Liu J, Zhang H, Li N. Mesoporous silica-stabilized magnetite nanoparticles with peroxidase-like activities for sensitively detecting cholesterol in animal-derived foods. Colloids Surf B Biointerfaces 2024; 233:113653. [PMID: 37988771 DOI: 10.1016/j.colsurfb.2023.113653] [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: 02/13/2023] [Revised: 11/01/2023] [Accepted: 11/13/2023] [Indexed: 11/23/2023]
Abstract
Sensitive detection of cholesterol in animal-derived foods is crucial for maintaining human healthy diets. In this study, an elegant approach utilizing inorganic nanozyme-based magnetic mesoporous silica nanoparticles (MMSNs) for the highly sensitive detection of cholesterol in animal-derived food products was reported. The results revealed the fabricated MMSNs exhibited remarkably intrinsic peroxidase (POD)-like catalytic activities with improved affinity, and the catalytic behavior aligned well with Michaelis-Menten equation. In addition, the data indicated that the MMSNs enabled visual colorimetric detection of cholesterol with a remarkably low detection limit of 7.12 μM by combining catalytic oxidation with cholesterol oxidase (ChOx). Furthermore, the prepared MMSNs were successfully employed for assessing cholesterol content in milk and egg yolk samples, indicating potential applications for cholesterol detection in animal-derived foods in future.
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Affiliation(s)
- Xueqin Wang
- College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, China; Key Laboratory of Functional Molecules for Biomedical Research, Zhengzhou, Henan 450001, China.
| | - Chuan Liu
- College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, China; Key Laboratory of Functional Molecules for Biomedical Research, Zhengzhou, Henan 450001, China
| | - Haizhen Tao
- College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, China; Key Laboratory of Functional Molecules for Biomedical Research, Zhengzhou, Henan 450001, China
| | - Hongjuan Jing
- College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, China; Key Laboratory of Functional Molecules for Biomedical Research, Zhengzhou, Henan 450001, China
| | - Ruifang Li
- College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, China; Key Laboratory of Functional Molecules for Biomedical Research, Zhengzhou, Henan 450001, China
| | - Yingyuan Zhao
- College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, China; Key Laboratory of Functional Molecules for Biomedical Research, Zhengzhou, Henan 450001, China
| | - Xuyang Chen
- College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, China; Key Laboratory of Functional Molecules for Biomedical Research, Zhengzhou, Henan 450001, China
| | - Xuanping Zhao
- College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, China; Key Laboratory of Functional Molecules for Biomedical Research, Zhengzhou, Henan 450001, China
| | - Junyan Liu
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China
| | - Huiru Zhang
- College of Bioengineering, Henan University of Technology, Zhengzhou, Henan 450001, China; Key Laboratory of Functional Molecules for Biomedical Research, Zhengzhou, Henan 450001, China.
| | - Na Li
- Henan Institute of Medical and Pharmaceutical Sciences, Zhengzhou University, Zhengzhou, Henan 450001, China.
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Chi Z, Wang Q, Gu J. Recent advances in colorimetric sensors based on nanozymes with peroxidase-like activity. Analyst 2023; 148:487-506. [PMID: 36484756 DOI: 10.1039/d2an01850k] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Nanozymes have been widely used to construct colorimetric sensors due to their advantages of cost-effectiveness, high stability, good biocompatibility, and ease of modification. The emergence of nanozymes greatly enhanced the detection sensitivity and stability of the colorimetric sensing platform. Recent significant research has focused on designing various sensors based on nanozymes with peroxidase-like activity for colorimetric analysis. However, with the deepening of research, nanozymes with peroxidase-like activity has also exposed some problems, such as weak affinity and low catalytic activity. In view of the above issues, existing investigations have shown that the catalytic properties of nanozymes can be improved by adding surface modification and changing the structure of nanomaterials. In this review, we summarize the recent trends and advances of colorimetric sensors based on several typical nanozymes with peroxidase-like activities, including noble metals, metal oxides, metal sulfides/metal selenides, and carbon and metal-organic frameworks (MOF). Finally, the current challenges and prospects of colorimetric sensors based on nanozymes with peroxidase-like activity are summarized and discussed to provide a reference for researchers in related fields.
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Affiliation(s)
- Zhongmei Chi
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, Liaoning Province, 121013, P. R. China.
| | - Qiong Wang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, Liaoning Province, 121013, P. R. China.
| | - Jiali Gu
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, Liaoning Province, 121013, P. R. China.
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Wu Y, Darland DC, Zhao JX. Nanozymes-Hitting the Biosensing "Target". SENSORS (BASEL, SWITZERLAND) 2021; 21:5201. [PMID: 34372441 PMCID: PMC8348677 DOI: 10.3390/s21155201] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/26/2021] [Accepted: 07/29/2021] [Indexed: 12/13/2022]
Abstract
Nanozymes are a class of artificial enzymes that have dimensions in the nanometer range and can be composed of simple metal and metal oxide nanoparticles, metal nanoclusters, dots (both quantum and carbon), nanotubes, nanowires, or multiple metal-organic frameworks (MOFs). They exhibit excellent catalytic activities with low cost, high operational robustness, and a stable shelf-life. More importantly, they are amenable to modifications that can change their surface structures and increase the range of their applications. There are three main classes of nanozymes including the peroxidase-like, the oxidase-like, and the antioxidant nanozymes. Each of these classes catalyzes a specific group of reactions. With the development of nanoscience and nanotechnology, the variety of applications for nanozymes in diverse fields has expanded dramatically, with the most popular applications in biosensing. Nanozyme-based novel biosensors have been designed to detect ions, small molecules, nucleic acids, proteins, and cancer cells. The current review focuses on the catalytic mechanism of nanozymes, their application in biosensing, and the identification of future directions for the field.
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Affiliation(s)
- Yingfen Wu
- Department of Chemistry, University of North Dakota, Grand Forks, ND 58202, USA;
| | - Diane C. Darland
- Department of Biology, University of North Dakota, Grand Forks, ND 58202, USA
| | - Julia Xiaojun Zhao
- Department of Chemistry, University of North Dakota, Grand Forks, ND 58202, USA;
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