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Li M, Zhang L, Liu W, Jin Y, Li B. Facile Estimation of Surface Oxygen Vacancies in Co 3O 4 Catalysts with a Colorimetric Method. Anal Chem 2024. [PMID: 38758012 DOI: 10.1021/acs.analchem.4c00242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
Oxygen vacancy (Ov) is known to act as an active center of the metal oxide. Quantification of surface Ov is vital for understanding the quantitative structure-activity relationship. Facile quantification characterization of surface Ov is highly desirable but still challenging. In this study, we presented a simple colorimetric method for rapidly quantifying surface Ov. As an example of metal oxide nanoparticles, Co3O4 was used to catalyze the 3,3',5,5'-tetramethylbenzidine (TMB)-H2O2 colorimetric reaction. It was found that the absorbance of the TMB-H2O2 system was dependent on the surface Ov amount in Co3O4. The investigation of the mechanism showed that the Ov-dependent absorbance would be attributed to the activity of surface Ov to easily adsorb and dissociate H2O2 into a hydroxyl radical (•OH). The absorbance signal of the TMB-H2O2 system acted as a probe to estimate the surface Ov. This colorimetric measurement could be completed in less than 20 min. The Ov concentrations obtained by the proposed colorimetric method matched well with those obtained by X-ray photoelectron spectroscopy. This method does not require any complex operation and expensive equipment and can be performed in any ordinary chemical laboratory. So, this colorimetric method is expected to become an alternative approach for quantifying the surface Ov in metal oxide nanoparticles. This method will provide essential insights into the rational design and application of Ov.
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Affiliation(s)
- Mei Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Ling Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Wei Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Yan Jin
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Baoxin Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education; Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
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2
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Zhang X, Wang J, Chang N, Yang Y, Li Y, Wei Q, Ni C, Song W, Ma M, Feng X, Fan R. Cu-BTC Derived Mesoporous CuS Nanomaterial as Nanozyme for Colorimetric Detection of Glutathione. Molecules 2024; 29:2117. [PMID: 38731608 PMCID: PMC11085296 DOI: 10.3390/molecules29092117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2024] [Revised: 04/25/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
In this paper, Cu-BTC derived mesoporous CuS nanomaterial (m-CuS) was synthesized via a two-step process involving carbonization and sulfidation of Cu-BTC for colorimetric glutathione detection. The Cu-BTC was constructed by 1,3,5-benzenetri-carboxylic acid (H3BTC) and Cu2+ ions. The obtained m-CuS showed a large specific surface area (55.751 m2/g), pore volume (0.153 cm3/g), and pore diameter (15.380 nm). In addition, the synthesized m-CuS exhibited high peroxidase-like activity and could catalyze oxidation of the colorless substrate 3,3',5,5'-tetramethylbenzidine to a blue product. Peroxidase-like activity mechanism studies using terephthalic acid as a fluorescent probe proved that m-CuS assists H2O2 decomposition to reactive oxygen species, which are responsible for TMB oxidation. However, the catalytic activity of m-CuS for the oxidation of TMB by H2O2 could be potently inhibited in the presence of glutathione. Based on this phenomenon, the colorimetric detection of glutathione was demonstrated with good selectivity and high sensitivity. The linear range was 1-20 μM and 20-300 μM with a detection limit of 0.1 μM. The m-CuS showing good stability and robust peroxidase catalytic activity was applied for the detection of glutathione in human urine samples.
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Affiliation(s)
- Xiwen Zhang
- School of Basic Medicine, Shenyang Medical College, Shenyang 110034, China;
| | - Jie Wang
- Department of Science and Technology, Shenyang Medical College, Shenyang 110034, China;
- Department of Sanitary Inspection, School of Public Health, Shenyang Medical College, Shenyang 110034, China; (Y.L.); (Q.W.); (C.N.); (W.S.)
| | - Nan Chang
- Department of Food Science, School of Public Health, Shenyang Medical College, Shenyang 110034, China;
| | - Yu Yang
- Department of Physiology, School of Basic Medicine, Shenyang Medical College, Shenyang 110034, China;
| | - Yuqi Li
- Department of Sanitary Inspection, School of Public Health, Shenyang Medical College, Shenyang 110034, China; (Y.L.); (Q.W.); (C.N.); (W.S.)
| | - Qi Wei
- Department of Sanitary Inspection, School of Public Health, Shenyang Medical College, Shenyang 110034, China; (Y.L.); (Q.W.); (C.N.); (W.S.)
| | - Chang Ni
- Department of Sanitary Inspection, School of Public Health, Shenyang Medical College, Shenyang 110034, China; (Y.L.); (Q.W.); (C.N.); (W.S.)
| | - Wanying Song
- Department of Sanitary Inspection, School of Public Health, Shenyang Medical College, Shenyang 110034, China; (Y.L.); (Q.W.); (C.N.); (W.S.)
| | - Mingyue Ma
- Department of Toxicology, School of Public Heath, Shenyang Medical College, Shenyang 110034, China;
| | - Xun Feng
- Department of Sanitary Chemisrty, School of Public Health, Shenyang Medical College, Shenyang 110034, China
| | - Ronghua Fan
- Department of Sanitary Inspection, School of Public Health, Shenyang Medical College, Shenyang 110034, China; (Y.L.); (Q.W.); (C.N.); (W.S.)
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Liu P, Liang M, Liu Z, Long H, Cheng H, Su J, Tan Z, He X, Sun M, Li X, He S. Facile green synthesis of wasted hop-based zinc oxide nanozymes as peroxidase-like catalysts for colorimetric analysis. Nanoscale 2024; 16:913-922. [PMID: 38108135 DOI: 10.1039/d3nr04336c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Hops are a common ingredient in beer production, and a considerable quantity of hops is usually discarded as a waste material once the brewing process is completed. Transforming this waste material into valuable nanomaterials offers a sustainable approach that has the potential to significantly mitigate environmental impact. Herein, a facile and green protocol for the production of zinc oxide nanozymes (ZnO NZs) using wasted hop extract (WHE) as a natural precursor was demonstrated. The process involved a hydrothermal synthesis method followed by a calcination step to form the final ZnO NZs. The results revealed that lupulon, the main β-acid in hops, particularly the phenolic hydroxy group, is primarily responsible for the biosynthesis of ZnO NZs. The WHE-ZnO NZs exhibited exceptional peroxidase-like (POD-like) activity and served as effective catalysts for the oxidation of 3,3,5,5-tetramethylbenzidine (TMB) in the presence of hydrogen peroxide (H2O2). Analysis of the catalytic mechanism revealed that the POD-like activity of these WHE-ZnO NZs originated from their ability to expedite the transfer of electrons between TMB and H2O2, resulting in the enzymatic kinetics following the standard Michaelis-Menten mechanism. Furthermore, we developed a straightforward and user-friendly colorimetric technique for detecting both H2O2 and glucose. By utilizing the WHE-ZnO NZs as POD-like catalysts, we achieved a linear detection range of 1-1000 μM and a limit of detection of 0.24 μM (S/N = 3) for H2O2 detection and a linear range of 0-100 mM and a detection limit of 16.73 μM (S/N = 3) for glucose detection. These results highlighted the potential applications of our waste-to-resource approach for nanozyme synthesis in the field of analytical chemistry.
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Affiliation(s)
- Pei Liu
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Mengdi Liang
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Zhengwei Liu
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Haiyu Long
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Han Cheng
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Jiahe Su
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Zhongbiao Tan
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
| | - Xuewen He
- The Key Lab of Health Chemistry and Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering and Materials Science Soochow University, 215123, Suzhou, P.R. China
| | - Min Sun
- Huai'an Municipal Center for Disease Control and Prevention, Huaian, China
| | - Xiangqian Li
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
| | - Shuai He
- Faculty of Life Science and Food Engineering, HuaiYin Institute of Technology, Huaian 223003, P. R. China.
- Jiangsu Provincial Key Construction Laboratory of Probiotics Preparation, Huaiyin Institute of Technology, Huaian 223003, P. R. China
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Lei J, Zhang L, Li M, Liu W, Jin Y, Li B. Surface Oxygen Vacancy-Rich Co 3O 4 Nanowires as an Effective Catalyst of Luminol-H 2O 2 Chemiluminescence for Sensitive Immunoassay. Anal Chem 2023; 95:17937-17944. [PMID: 37991222 DOI: 10.1021/acs.analchem.3c04409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2023]
Abstract
Oxygen vacancy is one intrinsic defect in metal oxide materials. Interestingly, we herein found that the surface oxygen vacancy can significantly enhance the catalytic activity of Co3O4 nanowires in the luminol-H2O2 chemiluminescence (CL) reaction. 0.1 ng/mL Co3O4 nanowires containing 51.3% surface oxygen vacancies possessed ca. 2.5-fold catalytic activity of free Co2+ (the best metal ionic catalyst for the luminol-H2O2 CL reaction). The superior catalytic efficiency is attributed to the enhanced adsorption of H2O2 by surface oxygen vacancies, which in turn accelerates the cleavage of O-O bonds and generates •OH radicals. More importantly, the surface oxygen vacancy-rich Co3O4 nanowires retained about 90% catalytic activity after modification with antibodies. The surface oxygen vacancy-rich Co3O4 nanowires were used to label the secondary antibody, and one sandwich-type CL immunoassay of carcinoembryonic antigen was established. The detection limit was 0.3 ng/mL with a linear range of 1-10 ng/mL. This proof-of-concept work proves that surface oxygen vacancy-rich Co3O4 nanowires are suitable for labeling biomolecules in CL bioanalysis and biosensing.
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Affiliation(s)
- Jing Lei
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Ling Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Mei Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Wei Liu
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Yan Jin
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
| | - Baoxin Li
- Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Key Laboratory of Analytical Chemistry for Life Science of Shaanxi Province, School of Chemistry & Chemical Engineering, Shaanxi Normal University, Xi'an 710062, China
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5
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de Oliveira RH, Gonçalves DA, dos Reis DD. TiO 2/MWCNT/Nafion-Modified Glassy Carbon Electrode as a Sensitive Voltammetric Sensor for the Determination of Hydrogen Peroxide. Sensors (Basel) 2023; 23:7732. [PMID: 37765789 PMCID: PMC10534937 DOI: 10.3390/s23187732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 05/04/2023] [Accepted: 05/08/2023] [Indexed: 09/29/2023]
Abstract
In this work we describe a straightforward approach for creating a nanocomposite comprising multiwalled carbon nanotubes (MWCNTs) and titanium dioxide (TiO2) using the hydrothermal technique, which is then characterized by scanning electron microscope (SEM), energy-dispersive X-ray spectrometer (EDS), X-ray diffraction analysis (XRD), Fourier transform infrared spectroscopy (FTIR), and thermal gravimetric analysis (TGA) to assess its properties. Nafion is employed as a reticular agent for the nanocomposite on the glassy carbon electrode (GCE), creating the MWCNT/TiO2/Nafion/GCE system. The electrochemical behavior of the system was evaluated using cyclic voltammetry, revealing its remarkable electrocatalytic activity for detecting hydrogen peroxide in water. The developed sensor showcased a broad linear response range of 14.00 to 120.00 μM, with a low detection limit of 4.00 μM. This electrochemical sensor provides a simple and highly sensitive method for detecting hydrogen peroxide in aqueous solutions and shows promising potential for various real-world applications, particularly in H2O2 monitoring.
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Affiliation(s)
| | - Daniel A. Gonçalves
- Faculty of Exact Sciences and Technology, Federal University of Grande Dourados, Dourados 79804-970, MS, Brazil;
| | - Diogo Duarte dos Reis
- Institute of Physics, Federal University of Mato Grosso do Sul—UFMS, Campo Grande 79070-900, MS, Brazil;
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6
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Guo W, Luo L, Nian Y, Wang J, Huang J. pH-responsive dual-enzyme mimics based on hollow metal organic framework-derivatives β-Co(OH) 2 for multiple colorimetric assays. Mikrochim Acta 2023; 190:240. [PMID: 37233760 DOI: 10.1007/s00604-023-05816-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 04/24/2023] [Indexed: 05/27/2023]
Abstract
A hollow metal organic framework derivative β-Co(OH)2 has been prepared, which possesses oxidase and peroxidase-like activities. Oxidase-like activity is derived from the generation of free radicals, and peroxidase-like activity is related to the electron transfer process. Unlike other nanozymes with dual enzyme-like activities, β-Co(OH)2 possesses pH-responsive enzyme-like activities, among which the β-Co(OH)2 exhibits superior oxidase and peroxidase-like activities under pH of 4 and 6, respectively, which could avoid mutual interference between multiple enzymes. Based on the phenomenon that enzyme-like activities of β-Co(OH)2 can catalyze colorless TMB to generate blue oxidized TMB (oxTMB) with absorption peak at 652 nm, the sensors integrating total antioxidant capacity and H2O2 quantification were developed. The oxidase-like activity-based colorimetric system has a sensitive response to ascorbic acid, Trolox, and gallic acid, in which the limit of detection for those antioxidant substances was 0.54 μM, 1.26 μM, and 14.34 μM, respectively. The sensors based on peroxidase-like activity had low limit of detection of 1.42 μM for H2O2 and a linear range of 5-1000 μM. The proposed method can be well applied to the detection of the total antioxidant capacity of kiwi, Vc tables, orange and tea extract with high accuracy, and H2O2 determination in milk and glucose detection in beverages with satisfactory recovery (within 97-106%).
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Affiliation(s)
- Weiyun Guo
- School of Food and Pharmacy, Xuchang University, Xuchang, 461000, People's Republic of China
| | - Linpin Luo
- College of Food Science and Engineering, Northwest A&F University, Yangling, 712100, Shaanxi, China
| | - Ying Nian
- 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.
| | - Jihong Huang
- School of Food and Pharmacy, Xuchang University, Xuchang, 461000, People's Republic of China.
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Singh S, Mukherjee TK. Coacervate-Based Plexcitonic Assembly toward Peroxidase-like Activity and Ultrasensitive Glucose Sensing. ACS Appl Mater Interfaces 2023. [PMID: 37200240 DOI: 10.1021/acsami.3c02863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Inbuilt catalytic centers anchored inside the confined architecture of artificial nanoreactors have gained tremendous attention owing to their vast applicability in various catalytic transformations. However, designing homogeneously distributed catalytic units with exposed surfaces in confined environment is a challenging task. Here, we have utilized quantum dot (QD)-embedded coacervate droplets (QD-Ds) as a confined compartment for the in situ synthesis of gold nanoparticles (Au NPs) without any additional reducing agent. High-resolution transmission electron microscopy images reveal homogeneous distribution of 5.6 ± 0.2 nm-sized Au NPs inside the QD-Ds (Au@QD-Ds). The in situ synthesized Au NPs are found to be stable over a period of 28 days without any agglomeration. Control experiments reveal that the free surface carboxylic acid groups of embedded QDs simultaneously act as reducing and stabilizing agents for Au NPs. Notably, these Au@QD-Ds exhibit superior peroxidase-like activity compared to bulk aqueous Au NPs and Au@QDs under similar experimental conditions. The observed peroxidase-like activity follows the classical Michaelis-Menten model inside the Au@QD-Ds via the fast electron-transfer pathway. The enhanced peroxidase-like activity has been explained by considering confinement, mass action, and the ligand-free surface of embedded Au NPs. The present plexcitonic nanocomposites exhibit excellent recyclability over several consecutive cycles without any compromise in their catalytic activity. Finally, a cascade reaction with glucose oxidase (GOx)-loaded Au@QD-Ds have been utilized for colorimetric detection of glucose with a limit of detection of 272 nM in solution as well as on filter paper. The present work highlights a facile and robust methodology for the fabrication of optically active functional hybrid plexcitonic assemblies and may find importance in various fields including bioanalytical chemistry and optoelectronics.
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Affiliation(s)
- Shivendra Singh
- Department of Chemistry, Indian Institute of Technology (IIT) Indore, Simrol, Indore 453552, M.P., India
| | - Tushar Kanti Mukherjee
- Department of Chemistry, Indian Institute of Technology (IIT) Indore, Simrol, Indore 453552, M.P., India
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Qi C, Xiang W, Dong Y, Zhang W. Co3V2O8 nanoparticle-assembled porous sphere as a new electrocatalyst for sensitive nonenzymatic sensing of H2O2. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023]
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Guo Z, Zhu J, Yin J, Miao P. Zeolitic imidazolate framework-8 encapsulating carbon nanodots and silver nanoparticles for fluorescent detection of H 2O 2 and glucose. J Colloid Interface Sci 2023; 643:385-392. [PMID: 37080045 DOI: 10.1016/j.jcis.2023.04.050] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 04/06/2023] [Accepted: 04/12/2023] [Indexed: 04/22/2023]
Abstract
In this study, a novel fluorescent biosensor is developed for the detection of H2O2 and glucose based on Zeolitic Imidazolate Framework-8 (ZIF-8) nanocomposites. ZIF-8 encapsulating carbon nanodot (CD) exhibits bright fluorescence emission. After further loading of AgNP, the fluorescence is quenched, which is mainly based on the excited electron transfer from CD to AgNP. Besides, the excitation wavelength of CD falls within the adsorption range of AgNP, which leads to efficient inhibition of the excitation energy. The as-prepared AgNP-CD-ZIF-8 nanocomposites can be utilized as a highly sensitive platform for the analysis of H2O2 and glucose. In the presence of glucose, H2O2 can be generated by the catalysis of glucose oxidase (GOD), which induces the etching of AgNP and subsequent recovery of CD-ZIF-8 fluorescence. This "turn on" biosensor can be applied for facile and convenient quantification of H2O2. It can also be further extended to detect glucose in real samples after combining specific catalytic effect of GOD. The analytical performances are excellent, which demonstrates great potential for practical utility.
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Affiliation(s)
- Zhenzhen Guo
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, People's Republic of China
| | - Jinwen Zhu
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, People's Republic of China; University of Science and Technology of China, Hefei 230026, People's Republic of China
| | - Jian Yin
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, People's Republic of China; University of Science and Technology of China, Hefei 230026, People's Republic of China.
| | - Peng Miao
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, People's Republic of China; University of Science and Technology of China, Hefei 230026, People's Republic of China.
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10
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Li R, Zhao Y, Zhang T, Ju Z, Ji X, Cui Y, Wang L, Xiao H. Pd nanoparticles stabilized by bitter gourd polysaccharide with peroxidase properties for H 2O 2 detection. Int J Biol Macromol 2023; 233:123513. [PMID: 36739057 DOI: 10.1016/j.ijbiomac.2023.123513] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/25/2023] [Accepted: 01/29/2023] [Indexed: 02/05/2023]
Abstract
The development of nanozymes using noble metal nanoparticles to replace natural peroxidase in bio-related detection has been gain great interest. Noble metal nanoparticles with small size have large specific surface area. However, small noble metal nanoparticles tend to aggregate without stabilizer. In this paper, small Pd nanoparticles (3-6 nm) stabilized by bitter gourd polysaccharide (Pdn-BGP NPs) were prepared by using bitter gourd polysaccharide as reducing agent and stabilizing agent. Pd25-BGP NPs had peroxidase-like catalytic property. And the catalytic kinetics of Pd25-BGP NPs towards substrates conformed to the Michaelis-Menten equation. Furthermore, a method was established to detect H2O2 using Pd25-BGP NPs. The linear range and detection limit of this method was 20-320 μM and 2.04 μM, respectively. Finally, Pd25-BGP NPs had good biocompatibility when the concentration was less than 80 μg/mL. The prepared Pd nanoparticles with high stability showed their good prospect in H2O2 detection.
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Affiliation(s)
- Ruyu Li
- Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China; State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China
| | - Yu Zhao
- Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Tingting Zhang
- Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Zejin Ju
- Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
| | - Xianbing Ji
- Hebei University of Environmental Engineering, Qinhuangdao 066102, China
| | - Yanshuai Cui
- Hebei University of Environmental Engineering, Qinhuangdao 066102, China
| | - Longgang Wang
- Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China; State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China.
| | - Haiyan Xiao
- Hebei Key Laboratory of Nano-biotechnology, Hebei Key Laboratory of Applied Chemistry, College of Environmental and Chemical Engineering, Yanshan University, Qinhuangdao 066004, China
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Qi Y, Sun Y, Song D, Wang Y, Xiu F. PVC dechlorination residues as new peroxidase-mimicking nanozyme and chemiluminescence sensing probe with high activity for glucose and ascorbic acid detection. Talanta 2023. [DOI: 10.1016/j.talanta.2022.124039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Sathish A, Krishnaveni R. A hybrid of NiCo-PBNCs nano-composite supported two-dimensional molybdenum disulfide as excellent peroxidase mimics for colorimetric glucose detection. J DISPER SCI TECHNOL 2022. [DOI: 10.1080/01932691.2022.2159834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- A. Sathish
- Department of Chemistry, Sree Sevugan Annamalai College, Devakottai, India
| | - R. Krishnaveni
- Department of Chemistry, Sree Sevugan Annamalai College, Devakottai, India
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Chen Y, Gao X, Xue H, Liu G, Zhou Y, Peng J. One-Pot Preparation of Imidazole-Ring-Modified Graphitic Carbon Nitride Nanozymes for Colorimetric Glucose Detection. Biosensors (Basel) 2022; 12:930. [PMID: 36354439 PMCID: PMC9688121 DOI: 10.3390/bios12110930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 10/08/2022] [Accepted: 10/24/2022] [Indexed: 06/16/2023]
Abstract
Nanozymes are highly desired to overcome the shortcomings of natural enzymes, such as low stability, high cost and difficult storage during biosensing applications. Herein, by imitating the structure of natural enzymes, we propose a one-pot annealing process to synthesis imidazole-ring-modified graphitic carbon nitride (g-C3N4-Im) with enhanced peroxidase-like activity. g-C3N4-Im shows enhanced peroxidase-like activity by 46.5 times compared to unmodified g-C3N4. Furthermore, imidazole rings of g-C3N4-Im make it possible to anchor Cu(II) active sites on it to produce g-C3N4-Im-Cu, which shows a further increase in peroxidase-like activity by three times. It should be noted that the as-prepared g-C3N4-Im-Cu could show obvious peroxidase-like activity over a broad range of pH values and at a low temperature (5 °C). The ultrahigh peroxidase-like activity is attributed to the electronic effect of imidazole rings and the active sites of Cu(II) for ·OH production. Based on the enhanced peroxidase-like activity, a H2O2 and glucose biosensor was developed with a high sensitivity (limit of detection, 10 nM) and selectivity. Therefore, the biosensor shows potential for applications in diabetic diagnoses in clinical practice.
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Affiliation(s)
- Yuanyuan Chen
- Department of Pharmacology, Medical College, Wuhan University of Science and Technology, Wuhan 430022, China
| | - Xueyou Gao
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430070, China
| | - Hang Xue
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Guohui Liu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yue Zhou
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430070, China
| | - Jian Peng
- Department of Pharmacology, Medical College, Wuhan University of Science and Technology, Wuhan 430022, China
- State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Biomedical Materials and Engineering Research Center of Hubei Province, Wuhan University of Technology, Wuhan 430070, China
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14
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Shehala, Baranwal K, Prabha M, Malviya T, Gaurav A, Singh V. Carboxymethyl cellulose-NiO nanoparticles as peroxidase mimic for sensitive colorimetric detection of hydrogen peroxide. Chem Pap 2022. [DOI: 10.1007/s11696-022-02401-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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15
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Fan R, Tian J, Wang H, Wang X, Zhou P. Sensitive colorimetric assay of hydrogen peroxide and glucose in humoral samples based on the enhanced peroxidase-mimetic activity of NH 2-MIL-88-derived FeS 2@CN nanocomposites compared to its precursors. Mikrochim Acta 2022; 189:427. [PMID: 36260196 DOI: 10.1007/s00604-022-05525-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 09/30/2022] [Indexed: 10/24/2022]
Abstract
By employing NH2-MIL-88 as a template, we synthesized the intermediate Fe@CN under high-temperature calcination and further fabricated the FeS2@CN nanocomposites in the presence of sulfur powder. Under varying temperatures (300-600 °C) and Fe@CN-to-S ratios (1:3-6), FeS2@CN500-5 nanocomposites had the highest peroxidase-mimetic activity. Under optimized conditions (incubation temperature 40 °C; solution pH 4.0 and nanocomposite concentration 10 μg/mL; 652-nm absorption), the Michaelis-Menten constant (Km) of FeS2@CN was much lower than that of horseradish peroxidase (HRP), therefore demonstrating that it had a higher affinity for both chromogenic substrates than conventional HRP. The limits of detection for H2O2 and glucose were 0.15 and 0.30 μmol/L, respectively, and the recoveries for glucose were 91.8-103% with RSDs <5.2%. The novelty of this study lies in (1) the FeS2@CN was confirmed to possess stronger enzyme-mimetic activity than its precursors (NH2-MIL-88 and Fe@CN); (2) the enhanced activity resulted from the unsaturated sites of N and S doping and the plentiful defects on the porous carbon surface; and (3) free radical trapping experiments evidenced that •OH played a major role in the catalytic reaction, while h+ and •O2- simultaneously participated in the catalytic process. These convincing performance metrics lead us to postulate that the FeS2@CN-based colorimetric biosensor provides a promising approach for several real-world applications, such as point-of-care diagnosis and workplace health evaluations.
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Li S, Zhao Y, Ji F, Zheng R, Ji X, Liu Z, Wang L. Biocompatible pericarpium citri reticulatae polysaccharide templated Pd nanoparticles for effectively colorimetric detection of glutathione. Colloids Surf A Physicochem Eng Asp 2022; 650:129617. [DOI: 10.1016/j.colsurfa.2022.129617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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17
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Jeon HJ, Kim HS, Chung E, Lee DY. Nanozyme-based colorimetric biosensor with a systemic quantification algorithm for noninvasive glucose monitoring. Theranostics 2022; 12:6308-6338. [PMID: 36168630 PMCID: PMC9475463 DOI: 10.7150/thno.72152] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 08/20/2022] [Indexed: 11/10/2022] Open
Abstract
Diabetes mellitus accompanies an abnormally high glucose level in the bloodstream. Early diagnosis and proper glycemic management of blood glucose are essential to prevent further progression and complications. Biosensor-based colorimetric detection has progressed and shown potential in portable and inexpensive daily assessment of glucose levels because of its simplicity, low-cost, and convenient operation without sophisticated instrumentation. Colorimetric glucose biosensors commonly use natural enzymes that recognize glucose and chromophores that detect enzymatic reaction products. However, many natural enzymes have inherent defects, limiting their extensive application. Recently, nanozyme-based colorimetric detection has drawn attention due to its merits including high sensitivity, stability under strict reaction conditions, flexible structural design with low-cost materials, and adjustable catalytic activities. This review discusses various nanozyme materials, colorimetric analytic methods and mechanisms, recent machine learning based analytic methods, quantification systems, applications and future directions for monitoring and managing diabetes.
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Affiliation(s)
- Hee-Jae Jeon
- Weldon School of Biomedical Engineering, Purdue University, Indiana 47906, USA
- Department of Mechanical and Biomedical Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Hyung Shik Kim
- Department of Bioengineering, College of Engineering, and BK FOUR Biopharmaceutical Innovation Leader for Education and Research Group, Hanyang University, Seoul 04763, Republic of Korea
| | - Euiheon Chung
- Department of Biomedical Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
- AI Graduate School, GIST, Gwangju 61005, Republic of Korea
- Research Center for Photon Science Technology, GIST, Gwangju 61005, Republic of Korea
| | - Dong Yun Lee
- Department of Bioengineering, College of Engineering, and BK FOUR Biopharmaceutical Innovation Leader for Education and Research Group, Hanyang University, Seoul 04763, Republic of Korea
- Institute of Nano Science and Technology (INST), Hanyang University, Seoul 04763, Republic of Korea
- Institute for Bioengineering and Biopharmaceutical Research (IBBR), Hanyang University, Seoul 04763, Republic of Korea
- Elixir Pharmatech Inc., Seoul 07463, Republic of Korea
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Lan C, Meng L, Xu N. Dual-Channel Ratiometric Colorimetric Sensor Array for Quantification and Discrimination of o-, m-, and p-Phenols. FOOD ANAL METHOD 2022. [DOI: 10.1007/s12161-022-02392-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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19
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Zhang C, Nan Z. 2D/3D-Shaped Fe 0.8Ni 0.2S 2/ZIF-67 as a Nanozyme for Rapid Measurement of H 2O 2 and Ascorbic Acid with a Low Limit of Detection. Inorg Chem 2022; 61:13933-13943. [PMID: 36006060 DOI: 10.1021/acs.inorgchem.2c01925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Metal-organic frameworks (MOFs) can be used as ideal artificial nanozymes for an open structure to transfer substances and products. The nanozymic mechanism of MOFs needs further investigation for wide application. In this manuscript, no peroxidase-like activity was found for ZIF-67 (a kind of MOF), however, it enhanced the peroxidase-like activity of the Fe0.8Ni0.2S2/ZIF-67 composite, in which Fe0.8Ni0.2S2 was the active composition. The catalytic constant (Kcat) is higher at 1.98 (for TMB) and 2.08 (for H2O2) times and the catalytic efficiency (Kcat/Km) is higher at 3.13 (for TMB) and 2.67 (for H2O2) times, than those of Fe0.8Ni0.2S2. The Km value decreased about 85 times (for H2O2) for Fe0.8Ni0.2S2/ZIF-67 than that of horseradish peroxidase (natural enzyme). The mechanism was proposed. The limit of detection of H2O2 for Fe0.8Ni0.2S2/ZIF-67 is 0.039 μM, which is lower by about 18.2 times than that of Fe0.8Ni0.2S2. Simultaneously, Fe0.8Ni0.2S2/ZIF-67 was used to rapidly detect ascorbic acid for only 1.0 min in food monitoring. This study may be important to design a new kind of nanozyme.
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Affiliation(s)
- Chengyu Zhang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
| | - Zhaodong Nan
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China
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20
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Khoris IM, Kenta T, Ganganboina AB, Park EY. Pt-embodiment ZIF-67-derived nanocage as enhanced immunoassay for infectious virus detection. Biosens Bioelectron 2022; 215:114602. [PMID: 35940003 DOI: 10.1016/j.bios.2022.114602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 07/21/2022] [Accepted: 07/25/2022] [Indexed: 11/19/2022]
Abstract
A facile and general strategy has been employed to develop highly-active nanozyme for immunoassay purposes. The hollow nanostructure of the Co3O4 nanocages (NCs) was anchoring the platinum nanoparticles (PtNPs) enclosed by the exposed oxides framework nd formed PtNPs@Co3O4 NCs. The embodiment of PtNPs was considered an ideal hybrid nanozyme that efficiently catalyzed the oxidation of the substrate molecules with enhanced activity. The PtNPs@Co3O4 NCs were revisited and repurposed on showing its nanozyme's activity with optimization done for the immunoassay platform. The embodiment of 32.44% Pt in the hollow nanostructures demonstrated the highest signal-to-noise responses in the immunoassay. In addition, the stepwise analysis highlighted the enhancement factor of the nanocages' catalytic mechanism. Based on their catalytic activity, these nanocages have been demonstrated to enable sub-femtogram level biosensing of norovirus-like particles (NoV-LPs) with highly selective signals in the capture-detect immunoassay format. The detection limit of the prepared immunoassay achieved 33.52 viral NoV copies/mL of the detection limit, which is 321-folds lower magnitude of the commercial ELISA. This nanocage's enhanced synergic catalytic properties could have great potential applications, including catalysis, biological labeling, and bioassays.
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Affiliation(s)
- Indra Memdi Khoris
- Department of Bioscience, Graduate School of Science and Technology, Shizuoka University, 836 Ohya Suruga-ku, Shizuoka, 422-8529, Japan
| | - Tsuruga Kenta
- Department of Applied Biological Science, Graduate School of Integrated Science and Technology, Shizuoka University, 836 Ohya Suruga-ku, Shizuoka, 422-8529, Japan
| | - Akhilesh Babu Ganganboina
- International Center for Young Scientists ICYS-NAMIKI, National Institute for Materials Science, 1-2-1 Sengen Tsukuba City, Ibaraki, 305-0047, Japan
| | - Enoch Y Park
- Department of Bioscience, Graduate School of Science and Technology, Shizuoka University, 836 Ohya Suruga-ku, Shizuoka, 422-8529, Japan; Department of Applied Biological Science, Graduate School of Integrated Science and Technology, Shizuoka University, 836 Ohya Suruga-ku, Shizuoka, 422-8529, Japan; Research Institute of Green Science and Technology, Shizuoka University, 836 Ohya Suruga-ku, Shizuoka, 422-8529, Japan.
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21
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Su R, He M, Li N, Ma D, Zhou W, Gao B, Yue Q, Li Q. Visible-Light Photocatalytic Chlorite Activation Mediated by Oxygen Vacancy Abundant Nd-Doped BiVO 4 for Efficient Chlorine Dioxide Generation and Pollutant Degradation. ACS Appl Mater Interfaces 2022; 14:31920-31932. [PMID: 35811472 DOI: 10.1021/acsami.2c06011] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Visible-light photocatalytic chlorite activation has emerged as an efficient oxidation process for micropollutant elimination. However, the in-depth mechanism of chlorite activation is not understood. In this study, using neodymium-doped bismuth vanadate (NdxBi1-xVO4-δ) as a model catalyst, we describe the oxygen vacancy (OV)-mediated chlorite activation process for efficient ClO2 generation and cephalexin (CPX) degradation. DFT calculations and in situ DRIFTS suggest that the OV-introduced surface -OH serves as the Brønsted acidic center for chlorite adsorption. The OV-mediated chlorite activation involves multistep reactions that surface hydroxylation and proton transfer from the surface -OH to chlorite, forming metastable chlorous acid (HClO2) and further disproportionating to ClO2. As compared with vis-photocatalysis, the vis-photocatalysis coupled with chlorite activation (vis/chlorite) technique exhibits superior performance in antibiotic degradation and achieves efficient microorganism inactivation. This work uncovers the role of OVs on chlorite activation and provides a rational strategy for designing visible-light-driven oxidation techniques in water and wastewater treatment.
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Affiliation(s)
- Ruidian Su
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, 72 Binhai Road, Qingdao, Shandong 266237, P.R.China
| | - Maoxia He
- Environment Research Institute, Shandong University, 72 Binhai Road, Qingdao, Shandong 266237, P.R.China
| | - Nan Li
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, 72 Binhai Road, Qingdao, Shandong 266237, P.R.China
| | - Defang Ma
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, 72 Binhai Road, Qingdao, Shandong 266237, P.R.China
| | - Weizhi Zhou
- School of Civil Engineering, Shandong University, Jinan, 250100, P.R.China
| | - Baoyu Gao
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, 72 Binhai Road, Qingdao, Shandong 266237, P.R.China
| | - Qinyan Yue
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, 72 Binhai Road, Qingdao, Shandong 266237, P.R.China
| | - Qian Li
- Shandong Provincial Key Laboratory of Water Pollution Control and Resource Reuse, Shandong Key Laboratory of Environmental Processes and Health, School of Environmental Science and Engineering, Shandong University, 72 Binhai Road, Qingdao, Shandong 266237, P.R.China
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22
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Isho RD, Sher Mohammad NM, Omer KM. Enhancing enzymatic activity of Mn@Co 3O 4 nanosheets as mimetic nanozyme for colorimetric assay of ascorbic acid. Anal Biochem 2022; 654:114818. [PMID: 35841925 DOI: 10.1016/j.ab.2022.114818] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 06/29/2022] [Accepted: 07/09/2022] [Indexed: 01/10/2023]
Abstract
In nanozyme-based assays, increasing enzymatic activity is very desirable for enhancing sensitivity and lowering the detection limit. In this study, novel Mn doped cobalt oxide nanosheets (Mn@Co3O4 NSs) were synthesized by hydrothermal process. The obtained Mn@Co3O4 possessed enhanced dual-enzyme mimetic, oxidase and peroxidase, and can catalytically oxidize of 3, 3', 5, 5'-tetramethylbenzidine (TMB), to a blue product of oxidized TMB. The enzyme kinetics were well-described mathematically using a common Michaelis-Menten and Lineweaver Burk model. The enzyme kinetics constant (Km) was found to be 0.15 mM, which is relatively low comparing with pure Co3O4 nanosheets (0.35 mM) and natural enzyme HRP (0.434 mM). Therefore, the efficient colorimetric method was achieved for determination of H2O2 and ascorbic acid. The limit of detection (LOD) of H2O2 was 8.0 μM and the linear range was 20-200 μM based on direct turn on of the peroxidase-like activity of Mn@Co3O4. While, for ascorbic acid detection based on turn-off approach, the linearity range for the ascorbic acid was 1-8 μM with LOD of 0.4 μM. Moreover, the colorimetric system exhibited good stability and selectivity toward the detection of ascorbic acid effectively in real samples (vitamin C tablets) with satisfactorily accuracy and precision.
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Affiliation(s)
- Ramya D Isho
- Department of Chemistry, College of Science, University of Zakho, Duhok City, Kurdistan Region, Iraq
| | - Nidhal M Sher Mohammad
- Department of Chemistry, College of Science, University of Zakho, Duhok City, Kurdistan Region, Iraq.
| | - Khalid M Omer
- Center for Biomedical Analysis, Department of Chemistry, College of Science, University of Sulaimani, Qliasan St, 46002, Sulaimani City, Kurdistan Region, Iraq.
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23
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Tian T, Zhang H, Yang FQ. Ascorbate oxidase enabling glucometer readout for portable detection of hydrogen peroxide. Enzyme Microb Technol 2022; 160:110096. [PMID: 35839591 DOI: 10.1016/j.enzmictec.2022.110096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 06/13/2022] [Accepted: 07/04/2022] [Indexed: 11/03/2022]
Abstract
A rapid, portable, and cost-effective method using personal glucose meter (PGM) for quantitative analysis of hydrogen peroxide (H2O2) was established based on ascorbate oxidase (AAO)-catalyzed reaction for the first time. Ascorbic acid (AA) can rapidly reduce ferricyanide (K3[Fe(CN)6]) to ferrocyanide (K4[Fe(CN)6]) in the glucose test strip and transfer electron to the electrode to generating a PGM detectable signal. Thus, the concentration of AA can be directly determined by the PGM as simple as measuring the blood glucose. On the other hand, AAO can catalyze the reduction of H2O2 and produce an enzyme-peroxide complex, which decreases the yields of dehydroascorbic acid formed by the oxidation of AA, resulting in the increase in PGM detectable signal of residual ascorbic acid (re-AA). Therefore, the concentration of H2O2 is proportional to the concentration of re-AA. After optimization of the experimental conditions, the developed method can be used to detect H2O2 at linear range of 2.5-5 × 103 μM with the quantification limit of 2.5 μM. In addition, the satisfactory spiked recoveries (95.3-108.9 %) of real samples (i.e., tap water, contact lens solution, medical hydrogen peroxide, and normal human serum) confirm its feasibility for practical applications. In short, this study provides a feasible PGM-based method for H2O2 detection with simple operations.
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Affiliation(s)
- Tao Tian
- Chongqing Key Laboratory of High Active Traditional Chinese Drug Delivery System, Chongqing Medical and Pharmaceutical College, Chongqing 401331, China; School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China
| | - Hao Zhang
- Chongqing Key Laboratory of High Active Traditional Chinese Drug Delivery System, Chongqing Medical and Pharmaceutical College, Chongqing 401331, China.
| | - Feng-Qing Yang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 401331, China.
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Jeevitha G, Sivaselvam S, Keerthana S, Mangalaraj D, Ponpandian N. Highly effective and stable MWCNT/WO 3 nanocatalyst for ammonia gas sensing, photodegradation of ciprofloxacin and peroxidase mimic activity. Chemosphere 2022; 297:134023. [PMID: 35227750 DOI: 10.1016/j.chemosphere.2022.134023] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 01/13/2022] [Accepted: 02/15/2022] [Indexed: 06/14/2023]
Abstract
The present study discusses the ammonia (NH3) sensing characteristics, photocatalytic degradation of emerging pollutants, and peroxidase mimic activity of multifunctional multi-walled carbon nanotube-tungsten oxide nanocomposite (MWCNT/WO3) prepared by conventional solvothermal method. The prepared MWCNT/WO3 nanocomposites were characterized by various analytical techniques like XRD, Raman, XPS, N2 adsorption, FESEM with elemental analysis and diffuse reflection spectroscopy. The prepared 1% MWCNT/WO3 nanocomposite showed better gas sensing performance for the NH3 vapors at 10-100 ppm than the pristine WO3 and the response and recover time of about 13 and 15s towards 20 ppm of ammonia (NH3) was achieved. The photocatalytic activity of MWCNT/WO3 towards organic dyes such as Rhodamine-B (Rh.B) methylene blue (MB) and pharmaceutical compound ciprofloxacin (CIP) were studied and achieved above 90% degradation at 160 min for CIP and 60 min for MB and Rho-B respectively. The radicle scavenging activity for MWCNT/WO3 nanocomposite showed the predominant formation of hydroxyl (OH•) and superoxide radicle (•O2-). Further, the MWCNT/WO3 nanocomposite showed peroxidase mimic activity and exhibit the limit of detection (LOD) of about 321 nM. From the overall analysis, MWCNT/WO3 hybrid seems to have potential characteristics that can be explored for multiple functional applications.
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Affiliation(s)
- G Jeevitha
- Department of Nanoscience and Technology, Bharathiar University, Coimbatore, 641046, India
| | - S Sivaselvam
- Department of Nanoscience and Technology, Bharathiar University, Coimbatore, 641046, India
| | - S Keerthana
- Department of Nanoscience and Technology, Bharathiar University, Coimbatore, 641046, India
| | - D Mangalaraj
- Department of Nanoscience and Technology, Bharathiar University, Coimbatore, 641046, India.
| | - N Ponpandian
- Department of Nanoscience and Technology, Bharathiar University, Coimbatore, 641046, India.
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25
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Zhou T, Cao Z, Tai X, Yu L, Ouyang J, Li Y, Lu J. Hierarchical Co(OH)2 Dendrite Enriched with Oxygen Vacancies for Promoted Electrocatalytic Oxygen Evolution Reaction. Polymers (Basel) 2022; 14:1510. [PMID: 35458260 PMCID: PMC9026458 DOI: 10.3390/polym14081510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/27/2022] [Accepted: 04/04/2022] [Indexed: 11/30/2022] Open
Abstract
It is critical to develop efficient oxygen evolution reaction (OER) catalysts with high catalytic properties for overall water splitting. Electrocatalysts with enriched vacancies are crucial for enhancing the catalytic activity of OER through defect engineering. We demonstrated the dealloying method in a reducing alkaline solution using the Co5Al95 alloy foil as a precursor to produce a new oxygen-vacancy-rich cobalt hydroxide (OV−Co(OH)2) hierarchical dendrite. The as-synthesised OV−Co(OH)2 showed superior electrocatalytic activities toward OER when compared to pristine cobalt hydroxide (p–Co(OH)2), which had a low onset overpotential of only 242 mV and a small Tafel slope of 64.9 mV dec−1. Additionally, for the high surface area provided by the hierarchical dendrite, both p–Co(OH)2 and OV−Co(OH)2 showed a superior activity as compared to commercial catalysts. Furthermore, they retained good catalytic properties without remarkably decaying at an overpotential of 350 mV for 12 h. The as-made OV−Co(OH)2 has prospective applications as an anode electrocatalyst in electrochemical water-splitting technologies with the advantages of superior OER performances, large surface area and ease of preparation.
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Ahmadzadeh Z, Ranjbar M. Plasmonic MoO3-x nanosheets by anodic oxidation of molybdenum for colorimetric sensing of hydrogen peroxide. Anal Chim Acta 2022; 1198:339529. [DOI: 10.1016/j.aca.2022.339529] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 01/15/2022] [Accepted: 01/18/2022] [Indexed: 12/30/2022]
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27
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Yi S, Xiaomin Q, Xiaona M, Yifeng T. An ultrasensitive electrochemiluminescent sensing platform for oxygen metabolism based on bioactive magnetic beads. Bioelectrochemistry 2022. [DOI: 10.1016/j.bioelechem.2022.108086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/30/2022] [Accepted: 02/07/2022] [Indexed: 11/22/2022]
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28
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Habibi MM, Mousavi M, Shadman Z, Ghasemi JB. Preparation of a nonenzymatic electrochemical sensor based on g-C3N4/MWO4 (M: Cu, Mn, Co, Ni) composite for the determination of H2O2. NEW J CHEM 2022. [DOI: 10.1039/d1nj05711a] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Hydrogen peroxide (H2O2) has a significant effect on physiological proceedings. In the present research, a g-C3N4-based nanocomposite g-C3N4/MWO4(M: Cu, Mn, Co, Ni) was prepared via the precipitation-calcination method. A...
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Feng X, Fu H, Bai Z, Li P, Song X, Hu X. Colorimetric detection of glucose by a hybrid nanomaterial based on amplified peroxidase-like activity of ferrosoferric oxide modified with gold–platinum heterodimer. NEW J CHEM 2022. [DOI: 10.1039/d1nj04491e] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
An easy and sensitive colorimetric sensor based on the Fe3O4@Au–Pt hybrid nanomaterial was constructed for H2O2 and glucose detection.
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Affiliation(s)
- Xiaoyang Feng
- School of Chemistry and Chemical Engineering, Linyi University, Linyi, 276005, P. R. China
| | - Hao Fu
- School of Chemistry and Chemical Engineering, Linyi University, Linyi, 276005, P. R. China
| | - Zhenyu Bai
- School of Chemistry and Chemical Engineering, Linyi University, Linyi, 276005, P. R. China
| | - Ping Li
- School of Chemistry and Chemical Engineering, Linyi University, Linyi, 276005, P. R. China
| | - Xingliang Song
- School of Chemistry and Chemical Engineering, Linyi University, Linyi, 276005, P. R. China
| | - Xueping Hu
- School of Chemistry and Chemical Engineering, Linyi University, Linyi, 276005, P. R. China
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Xu Z, Li L, Li K, Chen ML, Tu J, Chen W, Zhu SH, Cheng YH. Peroxidase-mimetic activity of a nanozyme with uniformly dispersed Fe 3O 4 NPs supported by mesoporous graphitized carbon for determination of glucose. Mikrochim Acta 2021; 188:421. [PMID: 34787714 DOI: 10.1007/s00604-021-05035-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 09/21/2021] [Indexed: 11/27/2022]
Abstract
A Fe3O4/mesoporous graphitized carbon (Fe3O4/m-GC) composite was prepared through a facile calcination method with iron-based metal-organic frameworks (Fe-MOFs) as a sacrificial template. After carbonization, the Fe3O4 nanoparticles were uniformly dispersed in the mesoporous carbon support, resulting in spatial structural stability. The mesoporous carbon support obtained was highly graphitized and exhibited eminent electrical conductivity, which accelerated the electron transfer between the Fe3O4 nanoparticles by Fe(II)/Fe(III) redox cycles and m-GC by C = Csp2/C-Csp3 redox cycles, leading to the excellent peroxidase-mimetic activity of Fe3O4/m-GC. Km values for tetramethylbenzidine (TMB) and H2O2 were 26.8 and 15.8 times lower than that of natural horseradish peroxidase, respectively. Taking advantage of the peroxidase-mimetic activity of Fe3O4/m-GC, a colorimetric assay was fabricated for detecting glucose in the range 0.5 ~ 200 μM, with a limit of detection of 0.24 μM. Fig 1 A Schematic illustration of the preparation process of Fe3O4/m-GC, B schematic illustration of a proposed synergistic catalytic mechanism of TMB oxidation by Fe3O4/m-GC.
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Affiliation(s)
- Zhou Xu
- Hunan Provincial Key Laboratory of Cytochemistry, College of Chemistry and Food Engineering, Changsha University of Science & Technology, Changsha, 410114, People's Republic of China.
| | - Lin Li
- Hunan Provincial Key Laboratory of Cytochemistry, College of Chemistry and Food Engineering, Changsha University of Science & Technology, Changsha, 410114, People's Republic of China
| | - Kai Li
- Hunan Provincial Key Laboratory of Cytochemistry, College of Chemistry and Food Engineering, Changsha University of Science & Technology, Changsha, 410114, People's Republic of China
| | - Mao-Long Chen
- Hunan Provincial Key Laboratory of Cytochemistry, College of Chemistry and Food Engineering, Changsha University of Science & Technology, Changsha, 410114, People's Republic of China
| | - Jia Tu
- Hunan Academy of Forestry, Changsha, 410004, People's Republic of China
| | - Wei Chen
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, People's Republic of China
| | - Shao-Hua Zhu
- Hunan Key Laboratory of Food Safety Science & Technology, Changsha Customs Technology Center, Changsha Customs District, Changsha, 410116, People's Republic of China
| | - Yun-Hui Cheng
- Hunan Provincial Key Laboratory of Cytochemistry, College of Chemistry and Food Engineering, Changsha University of Science & Technology, Changsha, 410114, People's Republic of China.
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Zhu Q, Tian D, Guo W, He J. Determination of Hydrogen Peroxide and Silver Ions Using G-Quadruplex/Hemin Catalyzed Luminol Chemiluminescence. ANAL LETT 2021. [DOI: 10.1080/00032719.2021.1991365] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Qiyong Zhu
- Huainan Engineering Research Center for Fuel Cells, Anhui Province Key Laboratory of Low Temperature Co-Fired Materials, Huainan Normal University, Huainan, China
| | - Dong Tian
- Huainan Engineering Research Center for Fuel Cells, Anhui Province Key Laboratory of Low Temperature Co-Fired Materials, Huainan Normal University, Huainan, China
| | - Wei Guo
- Huainan Engineering Research Center for Fuel Cells, Anhui Province Key Laboratory of Low Temperature Co-Fired Materials, Huainan Normal University, Huainan, China
- School of Chemical Engineering, Anhui University of Science and Technology, Huainan, China
| | - Jiahao He
- Huainan Engineering Research Center for Fuel Cells, Anhui Province Key Laboratory of Low Temperature Co-Fired Materials, Huainan Normal University, Huainan, China
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Zou W, Tang Y, Zeng H, Wang C, Wu Y. Porous Co 3O 4 nanodisks as robust peroxidase mimetics in an ultrasensitive colorimetric sensor for the rapid detection of multiple heavy metal residues in environmental water samples. J Hazard Mater 2021; 417:125994. [PMID: 33992021 DOI: 10.1016/j.jhazmat.2021.125994] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 04/17/2021] [Accepted: 04/28/2021] [Indexed: 06/12/2023]
Abstract
The current method for rapid and ultrasensitive detection of multiple heavy metals in environmental water still face challenge. Herein, the porous Co3O4 nanodisks with robust peroxidase-mimicking activity were prepared, and its catalytic activity can be significantly inhibited by the heavy metals like Cd(II), Hg(II), Pb(II) and As, which makes us to establish an ultrasensitive and rapid colorimetric sensor for the detection of multiple heavy metals. Further investigation reveals the anticompetitive inhibition effect of heavy metals on peroxidase-mimicking activity. The colorimetric sensor displays excellent sensitivity and selectivity, and the limits of detection (LOD) for Cd(II), Hg(II), Pb(II) and As are 0.085 μg·L-1, 0.19 μg·L-1, 0.2 μg·L-1 and 0.156 μg·L-1, respectively. Notably, the absorbance variation will be greater than 0.5 as the concentration of heavy metals exceeds 5 μg·L-1, which can be clearly discriminated by the naked eyes. Moreover, the average recovery range of heavy metals in actual water samples is from 86.9% to 98.3%. The above results indicate that the proposed sensor exhibits excellent practical applicability for the rapid and ultrasensitive detection of multiple harmful heavy metals in several environmental water samples, which has potential bright application in protecting the environment and human health.
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Affiliation(s)
- Wenying Zou
- School of Liquor and Food Engineering, Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Yue Tang
- School of Liquor and Food Engineering, Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Hong Zeng
- School of Liquor and Food Engineering, Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Chunxiao Wang
- School of Liquor and Food Engineering, Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, Guizhou University, Huaxi District, Guiyang 550025, China
| | - Yuangen Wu
- School of Liquor and Food Engineering, Guizhou Province Key Laboratory of Fermentation Engineering and Biopharmacy, Guizhou University, Huaxi District, Guiyang 550025, China; Key Laboratory of Plant Resource Conservation and Germplasm Innovation in Mountainous Region (Ministry of Education), Guizhou University, Huaxi District, Guiyang 550025, China.
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Li B, Chang H, Wang C, Wang S. Study on Polyoxomolybdate [Mo8O26]4− Based Crystalline Compound and Its Polypyrrole Nanocomposite as l-Cysteine Colorimetric Biosensor. J CLUST SCI 2021. [DOI: 10.1007/s10876-021-02162-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Phan LMT, Vo TAT, Hoang TX, Selvam SP, Pham HL, Kim JY, Cho S. Trending Technology of Glucose Monitoring during COVID-19 Pandemic: Challenges in Personalized Healthcare. Adv Mater Technol 2021; 6:2100020. [PMID: 34179343 PMCID: PMC8212092 DOI: 10.1002/admt.202100020] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 02/18/2021] [Indexed: 05/11/2023]
Abstract
The COVID-19 pandemic has continued to spread rapidly, and patients with diabetes are at risk of experiencing rapid progression and poor prognosis for appropriate treatment. Continuous glucose monitoring (CGM), which includes accurately tracking fluctuations in glucose levels without raising the risk of coronavirus exposure, becomes an important strategy for the self-management of diabetes during this pandemic, efficiently contributing to the diabetes care and the fight against COVID-19. Despite being less accurate than direct blood glucose monitoring, wearable noninvasive systems can encourage patient adherence by guaranteeing reliable results through high correlation between blood glucose levels and glucose concentrations in various other biofluids. This review highlights the trending technologies of glucose sensors during the ongoing COVID-19 pandemic (2019-2020) that have been developed to make a significant contribution to effective management of diabetes and prevention of coronavirus spread, from off-body systems to wearable on-body CGM devices, including nanostructure and sensor performance in various biofluids. The advantages and disadvantages of various human biofluids for use in glucose sensors are also discussed. Furthermore, the challenges faced by wearable CGM sensors with respect to personalized healthcare during and after the pandemic are deliberated to emphasize the potential future directions of CGM devices for diabetes management.
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Affiliation(s)
- Le Minh Tu Phan
- Department of Electronic EngineeringGachon UniversitySeongnam‐siGyeonggi‐do13120Republic of Korea
- School of Medicine and PharmacyThe University of DanangDanang550000Vietnam
| | - Thuy Anh Thu Vo
- Department of Life ScienceGachon UniversitySeongnam‐siGyeonggi‐do461‐701Republic of Korea
| | - Thi Xoan Hoang
- Department of Life ScienceGachon UniversitySeongnam‐siGyeonggi‐do461‐701Republic of Korea
| | - Sathish Panneer Selvam
- Department of Electronic EngineeringGachon UniversitySeongnam‐siGyeonggi‐do13120Republic of Korea
| | - Hoang Lan Pham
- Department of Life ScienceGachon UniversitySeongnam‐siGyeonggi‐do461‐701Republic of Korea
| | - Jae Young Kim
- Department of Life ScienceGachon UniversitySeongnam‐siGyeonggi‐do461‐701Republic of Korea
| | - Sungbo Cho
- Department of Electronic EngineeringGachon UniversitySeongnam‐siGyeonggi‐do13120Republic of Korea
- Department of Health Sciences and TechnologyGAIHSTGachon UniversityIncheon21999Republic of Korea
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Lei L, Zhang Y, Jiang Y, Xiong L, Liu Y, Li CM. Oxygen‐vacancy‐enhanced Catalytic Activity of Au@Co
3
O
4
/CeO
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Yolk‐shell Nanocomposite to Electrochemically Detect Hydrogen Peroxide. ELECTROANAL 2021. [DOI: 10.1002/elan.202100249] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Lingli Lei
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education School of Materials and Energy Southwest University Chongqing 400715 P. R. China
| | - Yuanyuan Zhang
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education School of Materials and Energy Southwest University Chongqing 400715 P. R. China
| | - Ying Jiang
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education School of Materials and Energy Southwest University Chongqing 400715 P. R. China
| | - Lulu Xiong
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education School of Materials and Energy Southwest University Chongqing 400715 P. R. China
| | - Yingshuai Liu
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education School of Materials and Energy Southwest University Chongqing 400715 P. R. China
| | - Chang Ming Li
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education School of Materials and Energy Southwest University Chongqing 400715 P. R. China
- School of Material Science and Engineering Institute of Materials Science and Devices Suzhou University of Science and Technology Suzhou 215011 P. R. China
- Institute of Advanced Cross-field Science and College of Life Science Qingdao University Qingdao 200671 P. R. China
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Zhang L, Hai Z. Mitochondria-targeted photoacoustic probe for imaging of hydrogen peroxide in inflamed mouse model. Methods Enzymol 2021; 657:249-269. [PMID: 34353490 DOI: 10.1016/bs.mie.2021.06.036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In this chapter, we gave a brief introduction of hydrogen peroxide (H2O2) and its existing analytical methods and described the need of mitochondria-targeted photoacoustic (PA) probe for H2O2 detection in vivo. Then we provided the detailed protocols for the design and characterization of a mitochondria-targeted PA probe (TPP-HCy-BOH) to visualize H2O2in vivo, which was developed in our previous work. Compared to control probe without mitochondria-targeted ability (HCy-BOH), TPP-HCy-BOH could efficiently accumulate in mitochondria and activate its PA signals toward overproduced H2O2 in inflamed mouse model with higher PA sensitivity.
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Affiliation(s)
- Lele Zhang
- Key Laboratory of Structure and Functional Regulation of Hybrid Materials, Ministry of Education, Institutes of Physical Science and Information Technology, Anhui University, Hefei, AH, China
| | - Zijuan Hai
- Key Laboratory of Structure and Functional Regulation of Hybrid Materials, Ministry of Education, Institutes of Physical Science and Information Technology, Anhui University, Hefei, AH, China.
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Tao N, Xu Y, Wang L, Yang W, Liu Y. Hollow porous N-doped carbon-based Co4N with peroxidase-like activity for detection of H2O2 under non-physiologic conditions. Microchem J 2021; 166:106206. [DOI: 10.1016/j.microc.2021.106206] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Pei Y, Zeng L, Wen C, Wu K, Deng A, Li J. Detection of enrofloxacin by flow injection chemiluminescence immunoassay based on cobalt hydroxide nanozyme. Mikrochim Acta 2021; 188:194. [PMID: 34013434 DOI: 10.1007/s00604-021-04846-6] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 05/05/2021] [Indexed: 02/07/2023]
Abstract
The emergence and development of low-cost and high-efficiency nanozymes are promising to replace natural enzymes promoting the application of chemiluminescence immunoassays. Herein, a rapid and highly sensitive flow injection chemiluminescence immunoassay based on cobalt hydroxide (Co(OH)2) nanozyme was established to detect enrofloxacin (ENR) residues in food. In this system, Co(OH)2 nanosheets act as nanozymes to catalyze and amplify the chemiluminescence signal of the luminol-PIP-H2O2 system, as well as a carrier for immobilizing antibodies to form stable immunoprobes. In addition, carboxyl resin beads with good stability and biocompatibility were used as the base of the immunosensor to carry more coating antigens, based on the principle of competitive immunity and to achieve the rapid detection of ENR. Under optimal conditions, the linear working range is 0.0001 ~ 1000 ng/mL, and the limit of detection (LOD) is 0.041 pg/mL (S/N = 3). The method has been successfully applied to the analysis of aquatic products and poultry food. A non-enzyme immunosensor using Co(OH)2 nanosheets as antibody-conjugated carriers and peroxidase mimics for catalytic amplification of the chemiluminescence signal of luminol and using carboxyl resin beads as platform was designed to detect ENR residues in food.
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Affiliation(s)
- Yingqi Pei
- The Key Lab of Health Chemistry & Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering & Materials Science, Soochow University, Suzhou, 215123, People's Republic of China
| | - Lingjian Zeng
- The Key Lab of Health Chemistry & Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering & Materials Science, Soochow University, Suzhou, 215123, People's Republic of China
| | - Chifang Wen
- The Key Lab of Health Chemistry & Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering & Materials Science, Soochow University, Suzhou, 215123, People's Republic of China
| | - Kang Wu
- School of Biology & Basic Medical Science, Soochow University, Suzhou, 215123, People's Republic of China.
| | - Anping Deng
- The Key Lab of Health Chemistry & Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering & Materials Science, Soochow University, Suzhou, 215123, People's Republic of China.
| | - Jianguo Li
- The Key Lab of Health Chemistry & Molecular Diagnosis of Suzhou, College of Chemistry, Chemical Engineering & Materials Science, Soochow University, Suzhou, 215123, People's Republic of China.
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Kong X, Yang R, Li Y, Wei Y, Sun Y, Lyu H, Yin D, Zhu X, Lu G, Liu Q. Co3O4-binuclear phthalocyanine nanocomposites with enhanced peroxidase-like activity for sensitive detection of glutathione. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Liu C, Im SH, Yu T. Synthesis of Au–Cu Alloy Nanoparticles as Peroxidase Mimetics for H2O2 and Glucose Colorimetric Detection. Catalysts 2021; 11:343. [DOI: 10.3390/catal11030343] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The detection of hydrogen peroxide (H2O2) is essential in many research fields, including medical diagnosis, food safety, and environmental monitoring. In this context, Au-based bimetallic alloy nanomaterials have attracted increasing attention as an alternative to enzymes due to their superior catalytic activity. In this study, we report a coreduction synthesis of gold–copper (Au–Cu) alloy nanoparticles in aqueous phase. By controlling the amount of Au and Cu precursors, the Au/Cu molar ratio of the nanoparticles can be tuned from 1/0.1 to 1/2. The synthesized Au–Cu alloy nanoparticles show good peroxidase-like catalytic activity and high selectivity for the H2O2-mediated oxidation of 3,3′,5,5′-tetramethylbenzidine (TMB, colorless) to TMB oxide (blue). The Au–Cu nanoparticles with an Au/Cu molar ratio of 1/2 exhibit high catalytic activity in the H2O2 colorimetric detection, with a limit of detection of 0.141 μM in the linear range of 1–10 μM and a correlation coefficient R2 = 0.991. Furthermore, the Au–Cu alloy nanoparticles can also efficiently detect glucose in the presence of glucose oxidase (GOx), and the detection limit is as low as 0.26 μM.
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Zhang X, Zhi H, Zhu M, Wang F, Meng H, Feng L. Electrochemical/visual dual-readout aptasensor for Ochratoxin A detection integrated into a miniaturized paper-based analytical device. Biosens Bioelectron 2021; 180:113146. [PMID: 33714160 DOI: 10.1016/j.bios.2021.113146] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Revised: 03/01/2021] [Accepted: 03/03/2021] [Indexed: 12/13/2022]
Abstract
Development of portable, sensitive and reliable devices for Ochratoxin A (OTA) detection is highly demanded, especially for resource-limited regions. Herein, a novel paper-based analytical device (PAD) is designed through wax printing and screen-printed technologies, which integrates sample flowing, electrode modification, cleaning and electrochemical (EC)/colorimetric signal output. To greatly enhance the detection sensitivity, we synthesized a chitosan functionalized MoS2-Au@Pt (Ch-MoS2-Au@Pt) via electrostatic self-assembly, and used it to immobilize the label aptamer (apta2) for signal regulation and amplification. Concretely, with the addition of analytes, the Ch-MoS2-Au@Pt-apta2 could be combined on the sensing interface by specific biorecognition and catalyzed reduction of H2O2, resulting in a remarkable EC response. Meanwhile, the released hydroxyl radicals (·OH) flowed to the visualization zone and promoted the oxidation of 3,3',5,5'-tetramethylbenzidine for colorimetric detection. Consequently, the dual-mode PAD achieved acceptable prediction and accurate analysis in the range of 0.1-200 ng mL-1 and 1 × 10-4-200 ng mL-1 by matching the visual and EC signal intensity, respectively. Compared with traditional single-mode sensor for OTA, the proposed dual-mode aptasensor featuring independent signal conversion and readout, not only avoided the false-positive signal associated with detection condition and operation, but also enlarged the detection ranges and improved the sensitivity. Furthermore, the consistency of EC/colorimetric assay was validated in real OTA samples. Overall, this work provided a portable, cost-effective, sensitive and visualized aptasensor platform, which could be extended to various other mycotoxins in the field of food safety.
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Affiliation(s)
- Xiaobo Zhang
- Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Hui Zhi
- Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Mingzhen Zhu
- Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Fengya Wang
- Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Hu Meng
- Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, PR China
| | - Liang Feng
- Department of Instrumentation and Analytical Chemistry, CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian, 116023, PR China.
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Liu X, Zhou Y, Liu J, Xia H. The intrinsic enzyme mimetic activity of platinum oxide for biosensing of glucose. Spectrochim Acta A Mol Biomol Spectrosc 2021; 248:119280. [PMID: 33310614 DOI: 10.1016/j.saa.2020.119280] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Revised: 11/15/2020] [Accepted: 11/22/2020] [Indexed: 06/12/2023]
Abstract
Given the enzymatic properties and the oxidized surface of Pt nanomaterials, we demonstrated the intrinsic oxidase-like and peroxidase-like activities of platinum oxide (PtO2). The surface clean PtO2 nanoparticles with high water dispersibility were synthesized by a simple and green method. X-ray diffraction (XRD) and X-ray photoelectron spectra (XPS) results demonstrated that the prepared PtO2 nanoparticles mainly consisted of Pt (Ⅳ) state without Pt(0) chemical state. The enzymatic activity of PtO2 nanoparticles was verified by catalytic oxidation of several chromogenic substrates. Catalytic mechanism analysis suggested that PtO2 nanopartiles acted as peroxidase and oxidase enzyme mimics by promoting the generation of the reactive oxygen species (ROS). By combining glucose oxidase, a colorimetric assay for glucose detection was developed with the limit of detection of 10.8 μM. The successful application of the proposed detection assay in human serum samples demonstrated the promising practical application in clinical diagnosis, pharmacy and food.
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Affiliation(s)
- Xueliang Liu
- The Key Laboratory of Rare Earth Functional Materials and Applications, Zhoukou Normal University, Zhoukou 466000, PR China.
| | - Yingmin Zhou
- The Key Laboratory of Rare Earth Functional Materials and Applications, Zhoukou Normal University, Zhoukou 466000, PR China
| | - Jin Liu
- The Key Laboratory of Rare Earth Functional Materials and Applications, Zhoukou Normal University, Zhoukou 466000, PR China
| | - Hongjun Xia
- The Key Laboratory of Rare Earth Functional Materials and Applications, Zhoukou Normal University, Zhoukou 466000, PR China
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Zhang M, Zhang Y, Yang C, Ma C, Tang J. A novel smartphone-based colorimetric biosensor for reliable quantification of hydrogen peroxide by enzyme-inorganic hybrid nanoflowers. Biochem Eng J 2021; 167:107925. [DOI: 10.1016/j.bej.2021.107925] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Lian J, He Y, Li N, Liu P, Liu Z, Liu Q. Magnetic Flower-like Fe-Doped CoO Nanocomposites with Dual Enzyme-like Activities for Facile and Sensitive Determination of H2O2 and Dopamine. Inorg Chem 2021; 60:1893-1901. [DOI: 10.1021/acs.inorgchem.0c03355] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Jiajia Lian
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Yanlei He
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Ning Li
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Pei Liu
- College of Chemistry and Chemical Engineering, Analysis and Testing Center, Henan Polytechnic University, Jiaozuo 454000, China
| | - Zhenxue Liu
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Qingyun Liu
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, China
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Yin D, Tang J, Bai R, Yin S, Jiang M, Kan Z, Li H, Wang F, Li C. Cobalt Phosphide (Co 2P) with Notable Electrocatalytic Activity Designed for Sensitive and Selective Enzymeless Bioanalysis of Hydrogen Peroxide. Nanoscale Res Lett 2021; 16:11. [PMID: 33438118 PMCID: PMC7803862 DOI: 10.1186/s11671-020-03469-9] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 12/20/2020] [Indexed: 06/12/2023]
Abstract
In this work, cobalt phosphide nanoparticles (Co2P NPs) were prepared by simple and mild hydrothermal method without the use of harmful phosphorous source. The morphological structure and surface component of Co2P were characterized by transmission electron microscopy, X-ray diffraction and X-ray photoelectron spectroscopy measurements. Considering the excellent electrocatalytic reduction activity and good electrical conductivity of transition-metal phosphide, we fabricated Co2P NPs on indium tin oxide (ITO) substrate (Co2P/ITO) for H2O2 detection. The Co2P/ITO transducer displayed a rapid amperometric response less than 5 s, a broader response range from 0.001 to 10.0 mM and a low detection limit of 0.65 μM. In addition, the non-enzymatic Co2P/ITO sensor showed outstanding selectivity, reproducibility, repeatability and stability, all of which qualified the Co2P/ITO electrode for quite a reliable and promising biosensor for H2O2 sensing.
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Affiliation(s)
- Donghang Yin
- Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, Nanjing, 211198 People’s Republic of China
| | - Junyan Tang
- Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, Nanjing, 211198 People’s Republic of China
| | - Rongbiao Bai
- Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, Nanjing, 211198 People’s Republic of China
| | - Shuyi Yin
- Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, Nanjing, 211198 People’s Republic of China
| | - Mengnan Jiang
- Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, Nanjing, 211198 People’s Republic of China
| | - Zigui Kan
- Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, Nanjing, 211198 People’s Republic of China
| | - Hongmei Li
- Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, Nanjing, 211198 People’s Republic of China
| | - Fei Wang
- Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, Nanjing, 211198 People’s Republic of China
| | - Caolong Li
- Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, Nanjing, 211198 People’s Republic of China
- Tibetan Medicine Research Institute, Tibetan Traditional Medical College, Lhasa, 850000 Tibet People’s Republic of China
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Zhang S, Mou X, Cui Z, Hou C, Yang W, Gao H, Luo X. Partial sulfidation for constructing Cu 2O–CuS heterostructures realizing enhanced electrochemical glucose sensing. NEW J CHEM 2021. [DOI: 10.1039/d1nj00298h] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
A Cu2O–CuS heterostructure was constructed to elucidate the relationship between heterojunctions and electrochemical glucose sensing.
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Affiliation(s)
- Sai Zhang
- Key Laboratory of Optic–Electric Sensing and Analytical Chemistry for Life Science
- MOE
- Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
| | - Xiaoming Mou
- Key Laboratory of Optic–Electric Sensing and Analytical Chemistry for Life Science
- MOE
- Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
| | - Zhao Cui
- Key Laboratory of Optic–Electric Sensing and Analytical Chemistry for Life Science
- MOE
- Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
| | - Changmin Hou
- Key Laboratory of Optic–Electric Sensing and Analytical Chemistry for Life Science
- MOE
- Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
| | - Wenlong Yang
- Key Laboratory of Optic–Electric Sensing and Analytical Chemistry for Life Science
- MOE
- Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
| | - Hongtao Gao
- Key Laboratory of Optic–Electric Sensing and Analytical Chemistry for Life Science
- MOE
- Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
| | - Xiliang Luo
- Key Laboratory of Optic–Electric Sensing and Analytical Chemistry for Life Science
- MOE
- Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong
- College of Chemistry and Molecular Engineering
- Qingdao University of Science and Technology
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Cao X, Yang H, Wei Q, Yang Y, Liu M, Liu Q, Zhang X. Fast colorimetric sensing of H2O2 and glutathione based on Pt deposited on NiCo layered double hydroxide with double peroxidase-/oxidase-like activity. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2020.108331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Li N, He Y, Lian J, Liu QY, Zhang YX, Zhang X. Hg 2+ Significantly Enhancing the Peroxidase-Like Activity of H 2TCPP/ZnS/CoS Nanoperoxidases by Inducing the Formation of Surface-Cation Defects and Application for the Sensitive and Selective Detection of Hg 2+ in the Environment. Inorg Chem 2020; 59:18384-18395. [PMID: 33342214 DOI: 10.1021/acs.inorgchem.0c03007] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Exploring excellent peroxidase mimics with enhanced peroxidase-like activity is important to the construction of a fast, low-cost, and convenient colorimetric sensing platform for heavy ions. In this work, 5,10,15,20-tetrakis(4-carboxyphenyl)porphyrin (H2TCPP) was first used to modify ZnS/CoS and make it show better peroxidase-like activity. The metal-cation vacancies generated by Hg2+ contacting H2TCPP/ZnS/CoS further stimulate the catalytic activity. It is reported that the addition of Hg2+ usually causes a decrease of the peroxidase-like activity of metal sulfides. Oppositely, in our work, Hg2+ can trigger the colorimetric signal amplification because of lots of metal-cation vacancies generated on the surface of the nanocomposites (bimetallic sulfides). The peroxidase-like activity of ZnS/CoS was evaluated by virtue of the chromogenic substrate 3,3,5,5-tetramethylbenzidine (TMB) from colorless to blue in 3 min. The enhanced catalytic activity of H2TCPP/ZnS/CoS was attributed to lots of active sites from the metal-cation defects on the surface of H2TCPP/ZnS/CoS as well as the synergistic effect of porphyrin molecules and ZnS/CoS. The adsorption behavior of H2O2 on the H2TCPP/ZnS/CoS surface with defects was studied by density functional theory calculation. Thus, a colorimetric sensing platform based on Hg2+ trigger signal amplification has been successfully constructed, which can be used to sensitively and selectively determine Hg2+ in environmental samples.
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Affiliation(s)
- Ning Li
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, P. R. China
| | - Yanlei He
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, P. R. China
| | - Jiajia Lian
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, P. R. China
| | - Qing-Yun Liu
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao 266590, P. R. China
| | - Yue-Xing Zhang
- College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, P. R. China
| | - Xianxi Zhang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, P. R. China
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Yin D, Yang H, Wang S, Yang Z, Liu Q, Zhang X, Zhang X. Ce-doped ZnCo2O4 nanospheres: Synthesis, double enzyme-like performances, catalytic mechanism and fast colorimetric determination for glutathione. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125466] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Huang X, Xia F, Nan Z. Fabrication of FeS 2/SiO 2 Double Mesoporous Hollow Spheres as an Artificial Peroxidase and Rapid Determination of H 2O 2 and Glutathione. ACS Appl Mater Interfaces 2020; 12:46539-46548. [PMID: 32941729 DOI: 10.1021/acsami.0c12593] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Nanozymes as one of artificial enzymes show many advantages than natural enzymes. The high Michaelis-Menten constant (Km) to H2O2 is the drawback for nanozymes, which means a high H2O2 concentration to oxidize 3,3',5,5'-tetramethylbenzidine (TMB). For this problem, FeS2/SiO2 double mesoporous hollow spheres (DMHSs) were first synthesized as an artificial peroxidase through a solid reaction. The experimental results demonstrate that Fe3O4 vulcanization and DMHS formation were effective strategies to enhance affinity to H2O2 for the nanozyme. The Km of FeS2/SiO2 DMHSs (H2O2 as the substrate) is 18-fold smaller than that of FeS2 nanoparticles (NPs). The catalytic efficiency (Kcat/Km) of FeS2/SiO2 DMHSs is about 16 times higher than that of FeS2 NPs. FeS2/SiO2 DMHSs can be used as a nanozyme to sensitively and rapidly detect H2O2 and glutathione within 1 min at room temperature.
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Affiliation(s)
- Xing Huang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, People's Republic of China
| | - Fan Xia
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, People's Republic of China
| | - Zhaodong Nan
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, People's Republic of China
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