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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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Zhao M, Yao X, Li J, Hu H, Ren J, Xu J, Wang J, Zhang D. Antibiotic-enzyme-inorganic nanoflowers based immunoassay for the ultrasensitive detection of Staphylococcus aureus. Biosens Bioelectron 2023; 230:115264. [PMID: 37004282 DOI: 10.1016/j.bios.2023.115264] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 03/21/2023] [Accepted: 03/23/2023] [Indexed: 03/30/2023]
Abstract
In this work, we constructed a moderate and convenient approach for the determination of staphylococcus aureus (S. aureus) by using organic-inorganic flower-like hybrid nanoflowers and Pig IgG together in an enzyme-linked immunosorbent assay (ELISA) system. To ensure efficient capture, the hybrid nanoflowers were prepared by encapsulating horseradish peroxidase (HRP) and vancomycin (VAN) in the inorganic nanocrystal composites (calcium ion solution), just like the mimic biomineralization process. Owing to the self-assembly technique, the synthesized VAN-HRP-CaHPO4 nanoflowers (NFs) can not only retain the ability to particularly capture the gram-positive bacteria but also enhance the stability and enzymatic activity to achieve the signal output amplification. Then, taking advantage of the integration of signal amplification elements (HRP) and biorecognition unit (VAN), the VAN-HRP-CaHPO4 NFs were utilized as a new kind of capture & signal regent in the procedure of S. aureus detection. Based on this ELISA system, S. aureus could be clearly detected within the concentration ranging from 1.0 × 102 to 1.0 × 107 CFU mL-1. The detection limit was defined as 4.3 CFU mL-1, which performance is superior to some commercial ELISA kits. Additionally, this system detected the S. aureus in food samples and showed an acceptable recovery. As a cost-effective and sensitive platform, this proposed assay was enable to fulfill the requirement of a quick and effective detection of S. aureus.
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Affiliation(s)
- Man Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Xiaolin Yao
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Jiawei Li
- Shandong Key Laboratory of Marine Ecological Restoration, Shandong Marine Resource and Environment Research Institute. Development Zone, 264006, Yantai, Shandong, China
| | - Hulan Hu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Jing Ren
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Jingke Xu
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Jianlong Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Daohong Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China.
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Kim DM, Yoo SM. Colorimetric Systems for the Detection of Bacterial Contamination: Strategy and Applications. BIOSENSORS 2022; 12:bios12070532. [PMID: 35884335 PMCID: PMC9313054 DOI: 10.3390/bios12070532] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/10/2022] [Accepted: 07/13/2022] [Indexed: 12/19/2022]
Abstract
Bacterial contamination is a public health concern worldwide causing enormous social and economic losses. For early diagnosis and adequate management to prevent or treat pathogen-related illnesses, extensive effort has been put into the development of pathogenic bacterial detection systems. Colorimetric sensing systems have attracted increasing attention due to their simple and single-site operation, rapid signal readout with the naked eye, ability to operate without external instruments, portability, compact design, and low cost. In this article, recent trends and advances in colorimetric systems for the detection and monitoring of bacterial contamination are reviewed. This article focuses on pathogen detection strategies and technologies based on reaction factors that affect the color change for visual readout. Reactions used in each strategy are introduced by dividing them into the following five categories: external pH change-induced pH indicator reactions, intracellular enzyme-catalyzed chromogenic reactions, enzyme-like nanoparticle (NP)-catalyzed substrate reactions, NP aggregation-based reactions, and NP accumulation-based reactions. Some recently developed colorimetric systems are introduced, and their challenges and strategies to improve the sensing performance are discussed.
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Affiliation(s)
- Dong-Min Kim
- Center for Applied Life Science, Hanbat National University, Daejeon 34158, Korea;
| | - Seung-Min Yoo
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea
- Correspondence:
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Yang X, Zhong Y, Wang D, Lu Z. A simple colorimetric method for viable bacteria detection based on cell counting Kit-8. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:5211-5215. [PMID: 34694314 DOI: 10.1039/d1ay01624e] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In this study, Cell Counting Kit-8 (CCK-8) was introduced to detect the concentration of live bacteria for the first time depending on the redox reaction between CCK-8 solution and dehydrogenase. CCK-8 solution can be reduced to form water soluble orange-yellow formazan by the dehydrogenase present in bacterial cells, and the concentration of live bacteria is proportional to the absorbance value of formazan at 450 nm. Based on this principle, Staphylococcus aureus and Escherichia coli were chosen as the model bacteria. The optimal detection conditions were investigated and a good linear relationship was obtained in the concentration range from 2.600 × 102 to 1.160 × 109 CFU mL-1 with a linear equation of Y = 0.06305 log10 X-0.1153 (X in CFU mL-1, R2 = 0.9747) for S. aureus and 9.750 × 102 to 6.000 × 108 CFU mL-1 with a linear equation of Y = 0.06122 log10 X-0.1358 (X in CFU mL-1, R2 = 0.9958) for E. coli. The CCK-8 based viable bacteria detection method can be completed within 2 h with a wide bacterial detection concentration range. Satisfactory results were obtained when applied to an actual sample analysis and there is a good consistency between the proposed CCK-8 based method and the traditional plate counting method. More importantly, this method can realize the one-time detection of a large number of samples with high sensitivity, which suggests its great potential in high-throughput bacterial detection.
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Affiliation(s)
- Xianhong Yang
- Key Laboratory of Textile Fiber and Products, Ministry of Education, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Wuhan Textile University, Wuhan 430200, China.
| | - Yaping Zhong
- Key Laboratory of Textile Fiber and Products, Ministry of Education, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Wuhan Textile University, Wuhan 430200, China.
| | - Dong Wang
- Key Laboratory of Textile Fiber and Products, Ministry of Education, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Wuhan Textile University, Wuhan 430200, China.
| | - Zhentan Lu
- Key Laboratory of Textile Fiber and Products, Ministry of Education, Hubei International Scientific and Technological Cooperation Base of Intelligent Textile Materials & Application, Wuhan Textile University, Wuhan 430200, China.
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Zhang L, Xin F, Cai Z, Zhao H, Zhang X, Yao C. A colorimetric sensing platform for azodicarbonamide detection in flour based on MnO 2 nanosheets oxidative system. Anal Bioanal Chem 2021; 413:4887-4894. [PMID: 34100991 DOI: 10.1007/s00216-021-03451-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 06/01/2021] [Indexed: 11/30/2022]
Abstract
Azodicarbonamide (ADA), as a dough conditioner food additive in flour, can be turned into toxic biurea and semicarbazide after high temperature processing. Hence, the using of ADA in food material should be strictly controlled, and the detection of ADA is very important for consumers' safety and health. Herein, a simple and fast colorimetric strategy has been developed for ADA detection based on the MnO2 nanosheets-3,3',5,5'-tetramethylbenzidine (TMB)-glutathione (GSH) as oxidative sensing system (MnO2-TMB-GSH). Since the ADA can selectively react with GSH via oxidizing the sulfydryl (-SH) group of GSH to disulfide bond (S-S), which makes GSH unable to reduce MnO2 nanosheets and restore its oxidase-like activity. The absorbance changes of the TMB solution depended on ADA content. The MnO2-TMB-GSH colorimetric platform can detect the ADA with a linear range of 10 μmol L-1 (11.6 ppm) to 400 μmol L-1 (464 ppm), and the limit of detection (LOD) is 3.3 μmol L-1 (3.51 ppm). Some potential interferences in real sample were tested and did not affect the MnO2-TMB-GSH colorimetric platform for ADA detection. Furthermore, the sensing platform was applied for detecting ADA in real flour sample with a recovery of 96%-105% (RSD < 5%). This colorimetric method can effectively and rapidly detect ADA additives in flour less than the prescribed standard (45 mg kg-1), which shows a great potential for visualization analysis and on-site detection of ADA in flour. A simple and fast colorimetric strategy has been developed for azodicarbonamide (ADA) detection based on the MnO2 nanosheets-3,3',5,5'-tetramethylbenzidine (TMB)-glutathione (GSH) as oxidative sensing system (MnO2-TMB-GSH).
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Affiliation(s)
- Luwei Zhang
- Institute of Biomedical Photonics and Sensing, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, China.,School of Food Equipment Engineering and Science, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, China
| | - Fuli Xin
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, Fujian, 350025, People's Republic of China
| | - Zhixiong Cai
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, Fujian, 350025, People's Republic of China
| | - Hong Zhao
- School of Food Equipment Engineering and Science, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, China
| | - Xiaolong Zhang
- The United Innovation of Mengchao Hepatobiliary Technology Key Laboratory of Fujian Province, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, Fujian, 350025, People's Republic of China.
| | - Cuiping Yao
- Institute of Biomedical Photonics and Sensing, Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, Shaanxi, China.
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6
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Zhang W, Bu S, Bai H, Ma C, Ma L, Wei H, Liu X, Li Z, Wan J. A sensitive biosensor for determination of pathogenic bacteria using aldehyde dehydrogenase signaling system. Anal Bioanal Chem 2020; 412:7955-7962. [PMID: 32879993 DOI: 10.1007/s00216-020-02928-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/04/2020] [Accepted: 08/28/2020] [Indexed: 12/16/2022]
Abstract
Aldehyde dehydrogenase (ALDH) was first developed as an enzymatic signaling system of a biosensor for sensitive point-of-care detection of pathogenic bacteria. ALDH and specific aptamers to Salmonella typhimurium (S. typhimurium), as organic components, were embedded in organic-inorganic nanocomposites as a biosensor signal label, integrating the functions of signal amplification and target recognition. The biosensing mechanism is based on the fact that ALDH can catalyze rapid oxidation of acetaldehyde into acetic acid, resulting in pH change with portable pH meter readout. The altered pH exhibited a linear relationship with the logarithm of S. typhimurium from 102 to 108 CFU/mL and detection limit of 46 CFU/mL. Thus, the proposed biosensor has potential application in the diagnosis of pathogenic bacteria.
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Affiliation(s)
- Wenguang Zhang
- College of Life Science, Jilin Agricultural University, Changchun, 130118, Jilin, China.,Institute of Military Veterinary, Academy of Military Medical Sciences, Changchun, 130122, Jilin, China
| | - Shengjun Bu
- Institute of Military Veterinary, Academy of Military Medical Sciences, Changchun, 130122, Jilin, China
| | - Huasong Bai
- Institute of Military Veterinary, Academy of Military Medical Sciences, Changchun, 130122, Jilin, China
| | - Chengyou Ma
- College of Geo-Exploration Science and Technology, Jilin University, Changchun, 130026, Jilin, China
| | - Li Ma
- Institute of Military Veterinary, Academy of Military Medical Sciences, Changchun, 130122, Jilin, China
| | - Hongguo Wei
- Institute of Military Veterinary, Academy of Military Medical Sciences, Changchun, 130122, Jilin, China
| | - Xiu Liu
- Institute of Military Veterinary, Academy of Military Medical Sciences, Changchun, 130122, Jilin, China
| | - Zehong Li
- College of Life Science, Jilin Agricultural University, Changchun, 130118, Jilin, China.
| | - Jiayu Wan
- Institute of Military Veterinary, Academy of Military Medical Sciences, Changchun, 130122, Jilin, China.
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Zhang X, Lu Y, Chen Q, Huang Y. A tunable bifunctional hollow Co3O4/MO3 (M = Mo, W) mixed-metal oxide nanozyme for sensing H2O2 and screening acetylcholinesterase activity and its inhibitor. J Mater Chem B 2020; 8:6459-6468. [DOI: 10.1039/d0tb01337d] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Mo and W tunable bifunctional hollow Co3O4/MO3 mixed-metal oxide nanozymes were fabricated. They exhibit similar O2 activating ability, while their discrepant H2O2 activating capability is likely ascribed to different catalytic mechanisms.
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Affiliation(s)
- Xiaodan Zhang
- College of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- China
| | - Yuwan Lu
- College of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- China
| | - Qiumeng Chen
- College of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- China
| | - Yuming Huang
- College of Chemistry and Chemical Engineering
- Southwest University
- Chongqing 400715
- China
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