1
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Chen W, Peng X, Wei Y, Dong S, Zhang J, Zhao Y, Sun F. Nanozyme-catalyzed and zwitterion-modified swabs based for the detection of Listeria monocytogenes in complex matrices. Talanta 2024; 280:126777. [PMID: 39191104 DOI: 10.1016/j.talanta.2024.126777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 08/09/2024] [Accepted: 08/24/2024] [Indexed: 08/29/2024]
Abstract
In recent years, nanozymes have been widely used in the field of biosensing and food safety testing due to their advantages of low cost, high stability, easy modification and adjustable catalytic activity. However, how to reduce the signal interference generated by reducing substances, macromolecules and colored substances in the food matrix in nanozymes-based colorimetric sensing is still a major challenge. In this paper, using Listeria monocytogenes as a model analyte, sodium sulfonyl methacrylate (SBMA) polymers were modified onto cotton swabs by photothermal polymerization and combined with Listeria monocytogenes-specific aptamer (Apt1) to prepare swabs that can specifically capture and isolate Listeria monocytogenes from complex matrices (SBMA/Apt1 cotton swab). In addition, in combination with the inhibitory effect of the aptamer (Apt2) on the oxidase activity of Mn3O4 NPs, a colorimetric biosensor based on nanozymes that can quantitatively, sensitively, and specifically identify Listeria monocytogenes in food products was constructed. The results showed that the colorimetric signal of the method was linear with the concentration of Listeria monocytogenes in the range of 2.83-2.83 × 105 CFU/mL, and the limit of detection was 2.64 CFU/mL, which can be used for the detection of Listeria monocytogenes in complex environments and food samples.
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Affiliation(s)
- Wei Chen
- School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang, 832003, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty(Co-construction by Ministry and Province), School of Food Science and Technology, Shihezi University, Shihezi, China
| | - Xiayu Peng
- College of Animal Science and Technology, Shihezi University, Shihezi, China.
| | - Yong Wei
- Xinjiang Tianrun Dairy Co.,Ltd., Wuchang Road No. 2702, Urumqi, China
| | - Shengnan Dong
- School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang, 832003, China; Key Laboratory for Food Nutrition and Safety Control of Xinjiang Production and Construction Corps,School of Food Science and Technology, Shihezi University, Shihezi, China
| | - Jian Zhang
- School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang, 832003, China; Key Laboratory of Agricultural Product Processing and Quality Control of Specialty(Co-construction by Ministry and Province), School of Food Science and Technology, Shihezi University, Shihezi, China
| | - Yunfeng Zhao
- School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang, 832003, China; Key Laboratory for Food Nutrition and Safety Control of Xinjiang Production and Construction Corps,School of Food Science and Technology, Shihezi University, Shihezi, China
| | - Fengxia Sun
- School of Food Science and Technology, Shihezi University, Shihezi, Xinjiang, 832003, China; Xinjiang Tianrun Dairy Co.,Ltd., Wuchang Road No. 2702, Urumqi, China.
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2
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Bai X, Lu S, Song P, Jia Z, Gao Z, Peng T, Wang Z, Jiang Q, Cui H, Tian W, Feng R, Liang Z, Kang Q, Yuan H. Heterojunction of MXenes and MN 4-graphene: Machine learning to accelerate the design of bifunctional oxygen electrocatalysts. J Colloid Interface Sci 2024; 664:716-725. [PMID: 38492372 DOI: 10.1016/j.jcis.2024.03.073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/18/2024] [Accepted: 03/10/2024] [Indexed: 03/18/2024]
Abstract
Oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are essential for the development of excellent bifunctional electrocatalysts, which are key functions in clean energy production. The emphasis of this study lies in the rapid design and investigation of 153 MN4-graphene (Gra)/ MXene (M2NO) electrocatalysts for ORR/OER catalytic activity using machine learning (ML) and density functional theory (DFT). The DFT results indicated that CoN4-Gra/Ti2NO had both good ORR (0.37 V) and OER (0.30 V) overpotentials, while TiN4-Gra/M2NO and MN4-Gra/Cr2NO had high overpotentials. Our research further indicated orbital spin polarization and d-band centers far from the Fermi energy level, affecting the adsorption energy of oxygen-containing intermediates and thus reducing the catalytic activity. The ML results showed that the gradient boosting regression (GBR) model successfully predicted the overpotentials of the monofunctional catalysts RhN4-Gra/Ti2NO (ORR, 0.39 V) and RuN4-Gra/W2NO (OER, 0.45 V) as well as the overpotentials of the bifunctional catalyst RuN4-Gra/W2NO (ORR, 0.39 V; OER, 0.45 V). The symbolic regression (SR) algorithm was used to construct the overpotential descriptors without environmental variable features to accelerate the catalyst screening and shorten the trial-and-error costs from the source, providing a reliable theoretical basis for the experimental synthesis of MXene heterostructures.
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Affiliation(s)
- Xue Bai
- School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China; Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China
| | - Sen Lu
- School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China; Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China
| | - Pei Song
- School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China; Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China
| | - Zepeng Jia
- School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China; Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China
| | - Zhikai Gao
- School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China; Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China
| | - Tiren Peng
- School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China; Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China
| | - Zhiguo Wang
- School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China; Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China
| | - Qi Jiang
- School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China; Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China
| | - Hong Cui
- School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China; Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China.
| | - Weizhi Tian
- College of Mechanical & Electrical Engineering, Shaanxi University of Science & Technology, Xi'an, Shaanxi 710021, China.
| | - Rong Feng
- School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China; Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China
| | - Zhiyong Liang
- School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China; Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China
| | - Qin Kang
- School of Mechanical Engineering, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China; Shaanxi Key Laboratory of Industrial Automation, Shaanxi University of Technology, Hanzhong, Shaanxi 723001, China
| | - Hongkuan Yuan
- School of Physical Science and Technology, Southwest University, Chongqing 400715, China
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3
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Wu J, Liang L, Li S, Qin Y, Zhao S, Ye F. Rational design of nanozyme with integrated sample pretreatment for colorimetric biosensing. Biosens Bioelectron 2024; 257:116310. [PMID: 38643549 DOI: 10.1016/j.bios.2024.116310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 04/14/2024] [Accepted: 04/16/2024] [Indexed: 04/23/2024]
Abstract
Nanozymes have been widely used in the field of biosensing owing to their high stability, low cost, adjustable catalytic activity, and convenient modification. However, achieving high selectivity and sensitivity simultaneously in nanozyme-based colorimetric sensing remains a major challenge. Nanozymes are nanomaterials with enzyme-simulating activity that are often used as solid-phase adsorbents for sample pretreatment. Our design strategy integrated sample pretreatment function into the nanozyme through separation and enrichment, thereby improving the selectivity and sensitivity of nanozyme-based colorimetric biosensing. As a proof-of-concept, glucose was used as the model analyte in this study. A phenylboric acid-modified magnetic nanozyme (Cu/Fe3O4@BA) was rationally designed and synthesized. Selectivity was enhanced by boronate-affinity specific adsorption and the elimination of interference after magnetic separation. In addition, magnetic solid-phase extraction enrichment was used to improve the sensitivity. A recovery rate of more than 80% was reached when the enrichment factor was 50. The synthesized magnetic Cu/Fe3O4@BA was recyclable at least five times. The proposed method exhibited excellent selectivity and sensitivity, simple operation, and recyclability, providing a novel and practical strategy for designing multifunctional nanozymes for biosensing.
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Affiliation(s)
- Jia Wu
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, PR China; Guangdong Provincial Key Laboratory of Environmental Health and Land Resource, School of Environmental and Chemical Engineering, Zhaoqing University, Zhaoqing, 526061, PR China
| | - Ling Liang
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, PR China
| | - Shuishi Li
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, PR China
| | - Yuan Qin
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, PR China
| | - Shulin Zhao
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, PR China
| | - Fanggui Ye
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources (Ministry of Education of China), Collaborative Innovation Center for Guangxi Ethnic Medicine, School of Chemistry and Pharmaceutical Sciences, Guangxi Normal University, Guilin, 541004, PR China.
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4
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Bu Z, Huang L, Li S, Tian Q, Tang Z, Diao Q, Chen X, Liu J, Niu X. Introducing molecular imprinting onto nanozymes: toward selective catalytic analysis. Anal Bioanal Chem 2024:10.1007/s00216-024-05183-2. [PMID: 38308711 DOI: 10.1007/s00216-024-05183-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/21/2024] [Accepted: 01/29/2024] [Indexed: 02/05/2024]
Abstract
The discovery of enzyme-like catalytic characteristics in nanomaterials triggers the generation of nanozymes and their multifarious applications. As a class of artificial mimetic enzymes, nanozymes are widely recognized to have better stability and lower cost than natural bio-enzymes, but the lack of catalytic specificity hinders their wider use. To solve the problem, several potential strategies are explored, among which molecular imprinting attracts much attention because of its powerful capacity for creating specific binding cavities as biomimetic receptors. Attractively, introducing molecularly imprinted polymers (MIPs) onto nanozyme surfaces can make an impact on the latter's catalytic activity. As a result, in recent years, MIPs featuring universal fabrication, low cost, and good stability have been intensively integrated with nanozymes for biochemical detection. In this critical review, we first summarize the general fabrication of nanozyme@MIPs, followed by clarifying the potential effects of molecular imprinting on the catalytic performance of nanozymes in terms of selectivity and activity. Typical examples are emphatically discussed to highlight the latest progress of nanozyme@MIPs applied in catalytic analysis. In the end, personal viewpoints on the future directions of nanozyme@MIPs are presented, to provide a reference for studying the interactions between MIPs and nanozymes and attract more efforts to advance this promising area.
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Affiliation(s)
- Zhijian Bu
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China
| | - Lian Huang
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China
| | - Shu Li
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China
| | - Qingzhen Tian
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China
| | - Zheng Tang
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China
| | - Qiaoqiao Diao
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China
| | - Xinyu Chen
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China
| | - Jinjin Liu
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China
| | - Xiangheng Niu
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China.
- Shandong Key Laboratory of Biochemical Analysis, Qingdao University of Science and Technology, Qingdao, 266042, People's Republic of China.
- State Environmental Protection Key Laboratory of Monitoring for Heavy Metal Pollutants, Hunan Ecology and Environment Monitoring Center, Changsha, 410019, People's Republic of China.
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5
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Li D, Fan T, Mei X. A comprehensive exploration of the latest innovations for advancements in enhancing selectivity of nanozymes for theranostic nanoplatforms. NANOSCALE 2023; 15:15885-15905. [PMID: 37755133 DOI: 10.1039/d3nr03327a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
Nanozymes have captured significant attention as a versatile and promising alternative to natural enzymes in catalytic applications, with wide-ranging implications for both diagnosis and therapy. However, the limited selectivity exhibited by many nanozymes presents challenges to their efficacy in diagnosis and raises concerns regarding their impact on the progression of disease treatments. In this article, we explore the latest innovations aimed at enhancing the selectivity of nanozymes, thereby expanding their applications in theranostic nanoplatforms. We place paramount importance on the critical development of highly selective nanozymes and present innovative strategies that have yielded remarkable outcomes in augmenting selectivities. The strategies encompass enhancements in analyte selectivity by incorporating recognition units, refining activity selectivity through the meticulous control of structural and elemental composition, integrating synergistic materials, fabricating selective nanomaterials, and comprehensively fine-tuning selectivity via approaches such as surface modification, cascade nanozyme systems, and manipulation of external stimuli. Additionally, we propose optimized approaches to propel the further advancement of these tailored nanozymes while considering the limitations associated with existing techniques. Our ultimate objective is to present a comprehensive solution that effectively addresses the limitations attributed to non-selective nanozymes, thus unlocking the full potential of these catalytic systems in the realm of theranostics.
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Affiliation(s)
- Dan Li
- College of Pharmacy, Jinzhou Medical University, 40 Songpo Rd, Jinzhou 121000, China.
| | - Tuocen Fan
- Jinzhou Medical University, 40 Songpo Rd, Jinzhou 121000, China.
| | - Xifan Mei
- Jinzhou Medical University, 40 Songpo Rd, Jinzhou 121000, China.
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6
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Chen X, Lin Y, Liao J, Zhang J, Zheng C. Light-activated carbon dot nanozyme with scandium for a highly efficient and pH-universal bio-nanozyme cascade colorimetric assay. J Mater Chem B 2023. [PMID: 37377067 DOI: 10.1039/d3tb00927k] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
Nanozyme-based colorimetric assays have attracted much attention due to their cost-effectiveness, high stability, and sensitivity. In particular, the catalytic cascade imparted by the biological enzyme is highly selective. However, developing an efficient, one-pot, and pH-universal bio-nanozyme cascade remains challenging. Considering the tunable activity of the photo-activated nanozyme, we herein demonstrated a pH-universal colorimetric assay based on the Sc3+-boosted photocatalytic oxidation of carbon dots (C-dots). As a strong Lewis acid, Sc3+ shows ultra-fast complexation with OH- over a broad pH range and dramatically decreases the pH of the buffer solutions. In addition to regulating the pH, Sc3+ also binds to the C-dots to produce a persistent and strongly oxidizing intermediate based on photo-induced electron transfer. The proposed Sc3+-boosted photocatalytic system was successfully used in a cascade colorimetric assay with biological enzymes for assessing their activity as well as the detection of enzyme inhibitors at neutral and alkaline pH. Instead of designing new nanozymes for catalytic cascades, this work suggests that introducing promoters can be a convenient strategy in practical applications.
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Affiliation(s)
- Xueshan Chen
- Key Laboratory of Green Chemistry & Technology of MOE, College of Chemistry, Sichuan University, Chengdu, Sichuan 610065, China.
| | - Yao Lin
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Jing Liao
- College of Chemistry and Material Science, Sichuan Normal University, Chengdu, Sichuan 610068, China
| | - Jinyi Zhang
- Key Laboratory of Green Chemistry & Technology of MOE, College of Chemistry, Sichuan University, Chengdu, Sichuan 610065, China.
| | - Chengbin Zheng
- Key Laboratory of Green Chemistry & Technology of MOE, College of Chemistry, Sichuan University, Chengdu, Sichuan 610065, China.
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7
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Liu Q, Zhao X, Chen X. Single transition metal-decorated C 4N/MoS 2 heterostructure for boosting oxygen reduction, oxygen evolution, and hydrogen evolution. J Colloid Interface Sci 2023; 648:787-797. [PMID: 37327622 DOI: 10.1016/j.jcis.2023.06.039] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 06/03/2023] [Accepted: 06/08/2023] [Indexed: 06/18/2023]
Abstract
Multifunctional electrocatalysts for oxygen reduction reaction (ORR), oxygen evolution reaction (OER), and hydrogen evolution (HER) are required preconditions for the development of a highly promising new green energy conversion and storage technology. Herein, a comprehensive computation of the ORR, OER and HER catalytic performance for the pristine and metal-decorated C4N/MoS2 (TM-C4N/MoS2) is researched using density functional theory. Remarkably, Pd-C4N/MoS2 exhibits distinguished bifunctional catalytic performance with lower ORR/OER overpotentials of 0.34/0.40 V. Rh-C4N/MoS2 is the prospective trifunctional catalyst with the low ORR/OER/HER overpotentials of 0.48/0.55/-0.16 V, but its electrochemical stability needs to be further improved. Furthermore, the strong correlation between intrinsic descriptor (φ) and adsorption free energy of *OH verifies that the catalytic activity of TM-C4N/MoS2 is affected by active metal and surrounding coordination environment. The heap map has summarized the correlations of d-band center, adsorption free energy of reaction species, and φ as the vital parameter for ORR/OER overpotentials of designing catalysts. The electronic structure analysis uncovers the activity enhancement is due to the adjustable adsorption behavior of reaction intermediates on TM-C4N/MoS2. This finding paves the way to develop high-activity and multifunctional catalysts, making them suitable for multifunctional applications in the forthcoming critically needed green energy conversion and storage technologies.
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Affiliation(s)
- Qifang Liu
- Center for Computational Chemistry and Molecular Simulation, College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China
| | - Xiuyun Zhao
- Department of Technical Physics, University of Eastern Finland, Kuopio 70211, Finland
| | - Xin Chen
- Center for Computational Chemistry and Molecular Simulation, College of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu 610500, China; State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu 610500, China.
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8
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Talebi M, Dashtian K, Zare-Dorabei R, Amourizi F, Ghafuri H, Mahdavi M. Ruthenium-Encapsulated Porphyrinic Organic Polymer as a Photoresponsive Oxidoreductase Mimetic Nanozyme for Colorimetric Sensing. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:7444-7455. [PMID: 37189015 DOI: 10.1021/acs.langmuir.3c00687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/17/2023]
Abstract
The advantages of porosity and stable unpaired electrons of porphyrinic organic polymers (POPs) with free radicals are exclusive and potentially practical functionalities and combining the semiconductor-like characteristics of these materials and metal ions has been an effective way to assemble an efficient photocatalytic system. Herein, a new ruthenium (Ru) ion-encapsulated porphyrinic organic polymer (POP/Ru) is facilely synthesized as a proper photoresponsive nanozyme with unique photo-oxidase properties. Surprisingly, the proposed POP/Ru revealed outstanding photoresponsive oxidase-mimicking activity due to the synergetic effect of the integration of Ru and π-electrons of POP, which boosts charge separation and transport. POP/Ru was applied to the oxidation of o-phenylenediamine (o-PDA) as a chromogenic probe for producing a colorimetric signal. The kinetic study reveals that these photo-oxidase mimics have a significant affinity for the o-PDA chromogenic agent owing to a lower Km and superior Vmax. Further findings demonstrate that the presence of the l-arginine (l-Arg) target causes an inhibition effect on the photo-nanozymatic colorimetry of POP/Ru. This research develops the applications of the comprehensive colorimetric strategy for ultrasensitive l-Arg monitoring with a limit of detection (LOD) of 15.2 nM in the dynamic range of 4.0 nM-340 μM and illuminates that the proposed photo-oxidase nanozyme as a visual strategy is feasible in l-Arg environmentally friendly colorimetric detection in juice samples.
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Affiliation(s)
- Maryam Talebi
- Research Laboratory of Spectrometry & Micro and Nano Extraction, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
| | - Kheibar Dashtian
- Research Laboratory of Spectrometry & Micro and Nano Extraction, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
| | - Rouholah Zare-Dorabei
- Research Laboratory of Spectrometry & Micro and Nano Extraction, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
| | - Fereshteh Amourizi
- Research Laboratory of Spectrometry & Micro and Nano Extraction, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
| | - Hossein Ghafuri
- Research Laboratory of Spectrometry & Micro and Nano Extraction, Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
| | - Mohammad Mahdavi
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran 1416634793, Iran
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Liu B, Zhu H, Liu J, Wang M, Pan J, Feng R, Hu P, Niu X. Alkali-Etched Imprinted Mn-Based Prussian Blue Analogues with Superior Oxidase-Mimetic Activity and Precise Recognition for Tetracycline Colorimetric Sensing. ACS APPLIED MATERIALS & INTERFACES 2023; 15:24736-24746. [PMID: 37163688 DOI: 10.1021/acsami.3c02207] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
As a typical antibiotic pollutant, tetracycline (TC) is producing increasing threats to the ecosystem and human health, and exploring convenient means for monitoring of TC is needed. Here, we proposed alkali-etched imprinted Mn-based Prussian blue analogues featuring superior oxidase-mimetic activity and precise recognition for the colorimetric sensing of TC. Simply etching Mn-based Prussian blue analogues (Mn-PBAs) with NaOH could expose the sites and surfaces to significantly improve their catalytic activity. Density functional theory calculations were employed to screen the molecularly imprinted polymer (MIP) layer for target identification. Consequently, the designed Mn-PBANaOH@MIP possessed the rich channels for substrates to get in touch with the active Mn-PBANaOH core, showing an excellent catalytic capacity to trigger the chromogenic oxidation of 3,3',5,5'-tetramethylbenzidine (TMB) without the use of H2O2. If TC was introduced, it would be recognized selectively by the MIP shell and masked the channels for TMB access, resulting in the obstruction of the chromogenic reaction. According to this mechanism, selective optical detection of TC was achieved, and performance stability, reusability, and reliability as well as practicability were also verified, promising potential for TC monitoring in complex matrices. Our work not only presents an effective way to enhance the enzyme-like activity of Prussian blue analogues but also provides a facile approach for TC sensing. Additionally, the work will inspire the exploration of molecularly imprinted nanozymes for various applications.
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Affiliation(s)
- Bangxiang Liu
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Hengjia Zhu
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Jinjin Liu
- School of Public Health, Hengyang Medical School, University of South China, Hengyang 421001, China
| | - Mengzhu Wang
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Jianming Pan
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Rulin Feng
- Department of Chemistry, Fudan University, Shanghai 200433, China
| | - Panwang Hu
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xiangheng Niu
- Institute of Green Chemistry and Chemical Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
- School of Public Health, Hengyang Medical School, University of South China, Hengyang 421001, China
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10
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Kurup CP, Ahmed MU. Nanozymes towards Personalized Diagnostics: A Recent Progress in Biosensing. BIOSENSORS 2023; 13:bios13040461. [PMID: 37185536 PMCID: PMC10136715 DOI: 10.3390/bios13040461] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/24/2023] [Accepted: 04/04/2023] [Indexed: 05/17/2023]
Abstract
This review highlights the recent advancements in the field of nanozymes and their applications in the development of point-of-care biosensors. The use of nanozymes as enzyme-mimicking components in biosensing systems has led to improved performance and miniaturization of these sensors. The unique properties of nanozymes, such as high stability, robustness, and surface tunability, make them an attractive alternative to traditional enzymes in biosensing applications. Researchers have explored a wide range of nanomaterials, including metals, metal oxides, and metal-organic frameworks, for the development of nanozyme-based biosensors. Different sensing strategies, such as colorimetric, fluorescent, electrochemical and SERS, have been implemented using nanozymes as signal-producing components. Despite the numerous advantages, there are also challenges associated with nanozyme-based biosensors, including stability and specificity, which need to be addressed for their wider applications. The future of nanozyme-based biosensors looks promising, with the potential to bring a paradigm shift in biomolecular sensing. The development of highly specific, multi-enzyme mimicking nanozymes could lead to the creation of highly sensitive and low-biofouling biosensors. Integration of nanozymes into point-of-care diagnostics promises to revolutionize healthcare by improving patient outcomes and reducing costs while enhancing the accuracy and sensitivity of diagnostic tools.
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Affiliation(s)
- Chitra Padmakumari Kurup
- Biosensors and Nanobiotechnology Laboratory, Integrated Science Building, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong BE1410, Brunei
| | - Minhaz Uddin Ahmed
- Biosensors and Nanobiotechnology Laboratory, Integrated Science Building, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong BE1410, Brunei
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11
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Yang X, Duan J, Zhang X, Zhang H, Liu X, Feng Y, Zheng M. Heterojunction architecture of Nb2O5/g-C3N4 for enhancing photocatalytic activity to degrade organic pollutants and deactivate bacteria in water. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.11.031] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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12
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Dai H, Xiong S, Zhu Y, Zheng J, Huang L, Zhou C, Deng J, Zhang X. NiCe bimetallic nanoparticles embedded in hexagonal mesoporous silica (HMS) for reverse water gas shift reaction. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.08.129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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13
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Zhang B, He X, Yu C, Liu G, Ma D, Cui C, Yan Q, Zhang Y, Zhang G, Ma J, Xin Y. Degradation of tetracycline hydrochloride by ultrafine TiO2 nanoparticles modified g-C3N4 heterojunction photocatalyst: Influencing factors, products and mechanism insight. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.08.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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14
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Dai H, Zhang A, Xiong S, Xiao X, Zhou C, Pan Y. The catalytic performance of Ga2O3‐CeO2 composite oxides over reverse water gas shift reaction. ChemCatChem 2022. [DOI: 10.1002/cctc.202200049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Hui Dai
- Chengdu University of Technology College of Materials and Chemistry & Chemical Engineering Chenghua District, 610059 Chengdu CHINA
| | - Anhang Zhang
- Chengdu University of Technology College of Materials and Chemistry & Chemical Engineering CHINA
| | - Siqi Xiong
- Chengdu University of Technology College of Materials and Chemistry & Chemical Engineering CHINA
| | - Xin Xiao
- Sichuan University Department of Chemical Engineering CHINA
| | - Changjian Zhou
- Yancheng Institute of Technology School of Chemistry and Chemical Engineering CHINA
| | - Yi Pan
- National Institute of Measurement and Testing Technology Chemistry Research Division CHINA
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15
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Du F, Zhou X, Bai Y, Tang Q, Cai Y, Tang Y. Construction of metal (Mn, Ce, Eu)-containing species in CN nanocomposites with photo-responsive oxidase-mimicking activity for multi-antioxidant discrimination. NEW J CHEM 2022. [DOI: 10.1039/d1nj06068f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
On the basis of three M-CN nanocomposites with photo-oxidase activity, a colorimetric sensor is proposed for the pattern recognition of antioxidants.
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Affiliation(s)
- Fan Du
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P. R. China
| | - Xiaojie Zhou
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P. R. China
| | - Yilian Bai
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P. R. China
| | - Qing Tang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P. R. China
| | - Yunfei Cai
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P. R. China
| | - Yurong Tang
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, P. R. China
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16
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Li T, Shi J, Liu Z, Xie W, Cui K, Hu B, Che G, Wang L, Zhou T, Liu C. Constructing porous intramolecular donor–acceptor integrated carbon nitride doped with m-aminophenol for boosting photocatalytic degradation and hydrogen evolution activity. Catal Sci Technol 2022. [DOI: 10.1039/d2cy00897a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A porous intramolecular D–A integrated carbon nitride with boosted photocatalytic activity was constructed via thermal melting followed by thermal copolymerization of m-aminophenol with urea.
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Affiliation(s)
- Tiantian Li
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Ministry of Education, Jilin Normal University, Changchun 130103, P.R. China
- College of Chemistry, Jilin Normal University, Siping 136000, P.R. China
| | - Jingmin Shi
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Ministry of Education, Jilin Normal University, Changchun 130103, P.R. China
- College of Chemistry, Jilin Normal University, Siping 136000, P.R. China
| | - Zhixue Liu
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Ministry of Education, Jilin Normal University, Changchun 130103, P.R. China
- College of Chemistry, Jilin Normal University, Siping 136000, P.R. China
| | - Wei Xie
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Ministry of Education, Jilin Normal University, Changchun 130103, P.R. China
- College of Chemistry, Jilin Normal University, Siping 136000, P.R. China
| | - Keyu Cui
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Ministry of Education, Jilin Normal University, Changchun 130103, P.R. China
- College of Chemistry, Jilin Normal University, Siping 136000, P.R. China
| | - Bo Hu
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Ministry of Education, Jilin Normal University, Changchun 130103, P.R. China
- College of Chemistry, Jilin Normal University, Siping 136000, P.R. China
| | - Guangbo Che
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Ministry of Education, Jilin Normal University, Changchun 130103, P.R. China
- College of Environmental Science and Engineering, Jilin Normal University, Siping 136000, P.R. China
- School of Chemistry, Baicheng Normal University, Baicheng 137099, P.R. China
| | - Liang Wang
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Ministry of Education, Jilin Normal University, Changchun 130103, P.R. China
- College of Chemistry, Jilin Normal University, Siping 136000, P.R. China
| | - Tianyu Zhou
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Ministry of Education, Jilin Normal University, Changchun 130103, P.R. China
- College of Environmental Science and Engineering, Jilin Normal University, Siping 136000, P.R. China
- Key Laboratory of Environmental Materials and Pollution Control, The Education Department of Jilin Province, Jilin Normal University, Siping 136000, P.R. China
| | - Chunbo Liu
- Key Laboratory of Preparation and Application of Environmental Friendly Materials, Ministry of Education, Jilin Normal University, Changchun 130103, P.R. China
- College of Environmental Science and Engineering, Jilin Normal University, Siping 136000, P.R. China
- Key Laboratory of Environmental Materials and Pollution Control, The Education Department of Jilin Province, Jilin Normal University, Siping 136000, P.R. China
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17
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Arshad F, Mohd-Naim NF, Chandrawati R, Cozzolino D, Ahmed MU. Nanozyme-based sensors for detection of food biomarkers: a review. RSC Adv 2022; 12:26160-26175. [PMID: 36275095 PMCID: PMC9475342 DOI: 10.1039/d2ra04444g] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Accepted: 09/07/2022] [Indexed: 11/21/2022] Open
Abstract
Nanozymes have piqued the curiosity of scientists in recent years because of their ability to demonstrate enzyme-like activity combined with advantages such as high stability, inexpensive availability, robust activity, and tunable properties. These attributes have allowed the successful application of nanozymes in sensing to detect various chemical and biological target analytes, overcoming the shortcomings of conventional detection techniques. In this review, we discuss recent developments of nanozyme-based sensors to detect biomarkers associated with food quality and safety. First, we present a brief introduction to this topic, followed by discussing the different types of sensors used in food biomarker detection. We then highlight recent studies on nanozyme-based sensors to detect food markers such as toxins, pathogens, antibiotics, growth hormones, metal ions, additives, small molecules, and drug residues. In the subsequent section, we discuss the challenges and possible solutions towards the development of nanozyme-based sensors for application in the food industry. Finally, we conclude the review by discussing future perspectives of this field towards successful detection and monitoring of food analytes. We present a discussion on different types of sensors used in food biomarker detection and highlight recent studies on nanozyme-based sensors to detect markers like toxins, pathogens, antibiotics, growth hormones, metal ions, additives, small molecules, drug residues.![]()
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Affiliation(s)
- Fareeha Arshad
- Biosensors and Nanobiotechnology Laboratory, Faculty of Science, Universiti Brunei Darussalam, Integrated Science Building, Jalan Tungku Link, Gadong BE 1410, Brunei Darussalam
| | - Noor Faizah Mohd-Naim
- Biosensors and Nanobiotechnology Laboratory, Faculty of Science, Universiti Brunei Darussalam, Integrated Science Building, Jalan Tungku Link, Gadong BE 1410, Brunei Darussalam
- PAPRSB Institute of Health Science, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Rona Chandrawati
- School of Chemical Engineering, University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia
| | - Daniel Cozzolino
- Centre for Nutrition and Food Sciences, The University of Queensland, Australia
| | - Minhaz Uddin Ahmed
- Biosensors and Nanobiotechnology Laboratory, Faculty of Science, Universiti Brunei Darussalam, Integrated Science Building, Jalan Tungku Link, Gadong BE 1410, Brunei Darussalam
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18
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Fan W, Li L, Yuan J, Ma X, Jia J, Zhang X. Aggregation-Induced Emission Effect within Peroxyoxalate-Loaded Mesoporous Silica Nanoparticles for Efficient Harvest of Chemiluminescence Energy in Aqueous Solutions. Anal Chem 2021; 93:17043-17050. [PMID: 34907772 DOI: 10.1021/acs.analchem.1c03798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Aggregation-induced emission (AIE) molecules that can avoid the aggregation-caused quenching (ACQ) effect and break the concentration limit have been widely used for biosensing. Similar to fluorescence dyes, AIE molecules can be chemiexcited simply by a peroxyoxalate-based chemiluminescence (CL) reaction, but the hydrolysis of peroxyoxalate is often a problem in an aqueous solution. Herein, we report an AIE effect within peroxyoxalate-loaded silica nanoparticles (PMSNs) for an efficient harvest of CL energy as well as alleviation of bis(2,4,5-trichloro-6-carbopentoxyphenyl) oxalate (CPPO) hydrolysis. Peroxyoxalate (i.e., CPPO) and AIE molecules (i.e., 1,2-benzothiazol-2-triphenylamino acrylonitrile, BTPA) were loaded together within the mesoporous silica nanoparticles (MSNs) to synthesize the BTPA-PMSN nanocomposite. The BTPA-PMSNs not only allowed CPPO to be dispersed well in an aqueous solution but also avoided the hydrolysis of CPPO. Meanwhile, the proximity between BTPA and CPPO molecules in the mesopores of MSNs facilitated the BTPA aggregate to harvest the energy from CL intermediates. Hence, the CL system of BTPA-PMSNs can work efficiently in aqueous solutions at a physiological pH. The CL quantum yield of the BTPA-PMSN system was measured to be 9.91 × 10-5, about 20 000-fold higher than that obtained in the rhodamine B (RhB, a typical ACQ dye)-PMSN system. Using BTPA-PMSNs for H2O2 sensing, a limit of detection (LOD) as low as 5 nM can be achieved, 1000-fold lower than that achieved in the RhB-PMSNs system. Due to the feasibility of working at a physiological pH, this CL system is also quite suitable for the detection of oxidase substrates such as glucose and cholesterol. This BTPA-PMSN CL system with the merits of high CL quantum yield at a physiological pH is appealing for biosensing.
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Affiliation(s)
- Wentong Fan
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Lin Li
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Jiajia Yuan
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Xuejuan Ma
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Jia Jia
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
| | - Xinfeng Zhang
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu 610059, China
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19
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Carbon dots-peroxyoxalate micelle as a highly luminous chemiluminescence system under physiological conditions. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2021.05.050] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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20
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N-doped MoS 2-nanoflowers as peroxidase-like nanozymes for total antioxidant capacity assay. Anal Chim Acta 2021; 1180:338740. [PMID: 34538313 DOI: 10.1016/j.aca.2021.338740] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 05/17/2021] [Accepted: 06/04/2021] [Indexed: 12/19/2022]
Abstract
Total Antioxidant Capacity (TAC) Assay plays an important role in evaluating the quality of antioxidant food and monitoring the oxidative stress level of human body. It is mainly achieved by measuring the contents of antioxidants such as AA, L-Cys and GSH, while TAC can be detected by using peroxidase-like activity of artificial nanoenzyme materials. In this work, the N-Doped, defect-rich N-MoS2NFs nano-materials were used to build the nano enzyme, which has strong stability and high peroxidase-like activity. H2O2 was detected because it can be catalyzed to generate the intermediate ·OH and make TMB appears blue. However, when H2O2, AA, L-Cys and GSH coexist in solution, due to the oxidation resistance of AA, L-Cys and GSH, they can competitively react with ·OH in solution or reduce TMB in oxidation state (oxTMB), which reduces the characteristic absorption of oxTMB, indirectly achieves the purpose of detecting AA, L-Cys and GSH, and finally realizes the determination of TAC, even in actual serum and saliva samples. At the same time, the N-MoS2 NFs/NH2-MIL-53(Al)+OPD system is further constructed. Based on the fluorescence resonance energy transfer (FRET) between NH2-MIL-53(Al) and oxidized OPD (oxOPD), the purpose of detecting TAC by fluorescence method was realized.
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21
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Zhao X, Zhao Y, Tan H, Sun H, Qin X, Ho W, Zhou M, Lin J, Li Y. New carbon nitride close to C 6N 7 with superior visible light absorption for highly efficient photocatalysis. Sci Bull (Beijing) 2021; 66:1764-1772. [PMID: 36654384 DOI: 10.1016/j.scib.2021.05.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/15/2021] [Accepted: 04/29/2021] [Indexed: 01/20/2023]
Abstract
The rational design and construction of novel two-dimensional (2D) carbon nitrides (CNs) beyond g-C3N4 is a hot topic in the fields of chemistry and materials. Inspired by the polymerisation of urea, we have prepared a series of novel C-C bridged heptazine CNs UOx (where x is the ratio of urea to oxamide, x = 1, 1.5, 2, 2.5, and 3), which are similar to (C6N7)n, upon the introduction of oxamide. As predicted using density functional theory (DFT) calculations, the conjugated structure of UOx was effectively extended from an individual heptazine to the entire material. Consequently, its bandgap was reduced to 2.05 eV, and its absorption band edge was significantly extended to 600 nm. Furthermore, its carrier transfer and separation were significantly enhanced, establishing its superior photocatalytic activity. The optimised UO2 exhibits a superior photocatalytic hydrogen production rate about 108.59 μmol h-1 (using 10 mg of catalyst) with an apparent quantum efficiency (AQE) of 36.12% and 0.33% at 420 and 600 nm, respectively, which is one of the most active novel CNs reported to date. Moreover, UO2 exhibits excellent photocatalytic activity toward the oxidation of diphenylhydrazine to azobenzene with conversion and selectivity reaching ~100%, which represents a promising highly efficient 2D CN material. Regarding phenols degradation, UO2 also displayed significantly higher activity and durability during the degradation of phenol when compared to traditional g-C3N4, highlighting its significant potential for application in energy, environment and photocatalytic organic reactions.
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Affiliation(s)
- Xinyu Zhao
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry Northeast Normal University, Changchun 130024, China
| | - Yingnan Zhao
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry Northeast Normal University, Changchun 130024, China
| | - Huaqiao Tan
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry Northeast Normal University, Changchun 130024, China; Department of Science and Environmental Studies, The Education University of Hong Kong, Hong Kong, China.
| | - Huiying Sun
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry Northeast Normal University, Changchun 130024, China
| | - Xing Qin
- Department of Science and Environmental Studies, The Education University of Hong Kong, Hong Kong, China
| | - Wingkei Ho
- Department of Science and Environmental Studies, The Education University of Hong Kong, Hong Kong, China.
| | - Min Zhou
- Department of Science and Environmental Studies, The Education University of Hong Kong, Hong Kong, China
| | - Jinliang Lin
- Department of Science and Environmental Studies, The Education University of Hong Kong, Hong Kong, China
| | - Yangguang Li
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry Northeast Normal University, Changchun 130024, China.
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22
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Xu Q, Liu K, Jin J, Zhang X. Binding-induced output of catalyst DNA for efficient payload of DNAzyme on magnetic beads by catalyzed hairpin assembly. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106490] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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23
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Wu L, Zhou S, Wang G, Yun Y, Liu G, Zhang W. Nanozyme Applications: A Glimpse of Insight in Food Safety. Front Bioeng Biotechnol 2021; 9:727886. [PMID: 34504834 PMCID: PMC8421533 DOI: 10.3389/fbioe.2021.727886] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Accepted: 07/22/2021] [Indexed: 12/28/2022] Open
Abstract
Nanozymes own striking merits, including high enzyme-mimicking activity, good stability, and low cost. Due to the powerful and distinguished functions, nanozymes exhibit widespread applications in the field of biosensing and immunoassay, attracting researchers in various fields to design and engineer nanozymes. Recently, nanozymes have been innovatively used to bridge nanotechnology with analytical techniques to achieve the high sensitivity, specificity, and reproducibility. However, the applications of nanozymes in food applications are seldom reviewed. In this review, we summarize several typical nanozymes and provide a comprehensive description of the history, principles, designs, and applications of nanozyme-based analytical techniques in food contaminants detection. Based on engineering and modification of nanozymes, the food contaminants are classified and then discussed in detail via discriminating the roles of nanozymes in various analytical methods, including fluorescence, colorimetric and electrochemical assay, surface-enhanced Raman scattering, magnetic relaxing sensing, and electrochemiluminescence. Further, representative examples of nanozymes-based methods are highlighted for contaminants analysis and inhibition. Finally, the current challenges and prospects of nanozymes are discussed.
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Affiliation(s)
- Long Wu
- College of Food Science and Engineering, Hainan University, Haikou, China
- Key Laboratory of Fermentation Engineering (Ministry of Education), College of Bioengineering and Food, Hubei University of Technology, Wuhan, China
| | - Shuhong Zhou
- Key Laboratory of Fermentation Engineering (Ministry of Education), College of Bioengineering and Food, Hubei University of Technology, Wuhan, China
| | - Gonglei Wang
- School of Life and Health Sciences, The Chinese University of Hong Kong, Shenzhen, China
| | - Yonghuan Yun
- College of Food Science and Engineering, Hainan University, Haikou, China
| | - Guozhen Liu
- School of Life and Health Sciences, The Chinese University of Hong Kong, Shenzhen, China
| | - Weimin Zhang
- College of Food Science and Engineering, Hainan University, Haikou, China
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24
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In-situ construction of Z-scheme g-C3N4/WO3 composite with enhanced visible-light responsive performance for nitenpyram degradation. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.12.002] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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25
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Cardoso AR, Frasco MF, Serrano V, Fortunato E, Sales MGF. Molecular Imprinting on Nanozymes for Sensing Applications. BIOSENSORS 2021; 11:152. [PMID: 34067985 PMCID: PMC8152260 DOI: 10.3390/bios11050152] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 04/29/2021] [Accepted: 05/07/2021] [Indexed: 06/12/2023]
Abstract
As part of the biomimetic enzyme field, nanomaterial-based artificial enzymes, or nanozymes, have been recognized as highly stable and low-cost alternatives to their natural counterparts. The discovery of enzyme-like activities in nanomaterials triggered a broad range of designs with various composition, size, and shape. An overview of the properties of nanozymes is given, including some examples of enzyme mimics for multiple biosensing approaches. The limitations of nanozymes regarding lack of selectivity and low catalytic efficiency may be surpassed by their easy surface modification, and it is possible to tune specific properties. From this perspective, molecularly imprinted polymers have been successfully combined with nanozymes as biomimetic receptors conferring selectivity and improving catalytic performance. Compelling works on constructing imprinted polymer layers on nanozymes to achieve enhanced catalytic efficiency and selective recognition, requisites for broad implementation in biosensing devices, are reviewed. Multimodal biomimetic enzyme-like biosensing platforms can offer additional advantages concerning responsiveness to different microenvironments and external stimuli. Ultimately, progress in biomimetic imprinted nanozymes may open new horizons in a wide range of biosensing applications.
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Affiliation(s)
- Ana R. Cardoso
- BioMark@UC, Faculty of Sciences and Technology, University of Coimbra, 3030-790 Coimbra, Portugal; (A.R.C.); (M.F.F.); (V.S.)
- BioMark@ISEP, School of Engineering, Polytechnic Institute of Porto, 4249-015 Porto, Portugal
- CEB, Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
- i3N/CENIMAT, Department of Materials Science, Faculty of Sciences and Technology, Universidade NOVA de Lisboa and CEMOP/UNINOVA, 2829-516 Caparica, Portugal;
| | - Manuela F. Frasco
- BioMark@UC, Faculty of Sciences and Technology, University of Coimbra, 3030-790 Coimbra, Portugal; (A.R.C.); (M.F.F.); (V.S.)
- BioMark@ISEP, School of Engineering, Polytechnic Institute of Porto, 4249-015 Porto, Portugal
- CEB, Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
| | - Verónica Serrano
- BioMark@UC, Faculty of Sciences and Technology, University of Coimbra, 3030-790 Coimbra, Portugal; (A.R.C.); (M.F.F.); (V.S.)
- BioMark@ISEP, School of Engineering, Polytechnic Institute of Porto, 4249-015 Porto, Portugal
- CEB, Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
| | - Elvira Fortunato
- i3N/CENIMAT, Department of Materials Science, Faculty of Sciences and Technology, Universidade NOVA de Lisboa and CEMOP/UNINOVA, 2829-516 Caparica, Portugal;
| | - Maria Goreti Ferreira Sales
- BioMark@UC, Faculty of Sciences and Technology, University of Coimbra, 3030-790 Coimbra, Portugal; (A.R.C.); (M.F.F.); (V.S.)
- BioMark@ISEP, School of Engineering, Polytechnic Institute of Porto, 4249-015 Porto, Portugal
- CEB, Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal
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Lan G, Yang J, Ye RP, Boyjoo Y, Liang J, Liu X, Li Y, Liu J, Qian K. Sustainable Carbon Materials toward Emerging Applications. SMALL METHODS 2021; 5:e2001250. [PMID: 34928103 DOI: 10.1002/smtd.202001250] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 02/10/2021] [Indexed: 06/14/2023]
Abstract
It is desirable for a sustainable society that the production and utilization of renewable materials are net-zero in terms of carbon emissions. Carbon materials with emerging applications in CO2 utilization, renewable energy storage and conversion, and biomedicine have attracted much attention both academically and industrially. However, the preparation process of some new carbon materials suffers from energy consumption and environmental pollution issues. Therefore, the development of low-cost, scalable, industrially and economically attractive, sustainable carbon material preparation methods are required. In this regard, the use of biomass and its derivatives as a precursor of carbon materials is a major feature of sustainability. Recent advances in the synthetic strategy of sustainable carbon materials and their emerging applications are summarized in this short review. Emphasis is made on the discussion of the original intentions and various sustainable strategies for producing sustainable carbon materials. This review provides basic insights and significant guidelines for the further design of sustainable carbon materials and their emerging applications in catalysis and the biomedical field.
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Affiliation(s)
- Guojun Lan
- Institute of Industrial Catalysis, Zhejiang University of Technology, Hangzhou Chaowang Road 18, Zhejiang, 310032, P. R. China
| | - Jing Yang
- State Key Laboratory for Oncogenes and Related Genes, Division of Cardiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Cancer Institute, 160 Pujian Road, Shanghai, 200127, P. R. China
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Run-Ping Ye
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, P. R. China
| | - Yash Boyjoo
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, P. R. China
| | - Ji Liang
- Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of Education, School of Materials Science and Engineering, Tianjin University, Tianjin, 300350, P. R. China
| | - Xiaoyan Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, P. R. China
| | - Ying Li
- Institute of Industrial Catalysis, Zhejiang University of Technology, Hangzhou Chaowang Road 18, Zhejiang, 310032, P. R. China
| | - Jian Liu
- State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, P. R. China
- DICP-Surrey Joint Centre for Future Materials, Department of Chemical and Process Engineering, and Advanced Technology Institute, University of Surrey, Guilford, Surrey, GU2 7XH, UK
| | - Kun Qian
- State Key Laboratory for Oncogenes and Related Genes, Division of Cardiology, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai Cancer Institute, 160 Pujian Road, Shanghai, 200127, P. R. China
- School of Biomedical Engineering and Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
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27
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Nian Y, Luo L, Zhu W, Yang C, Zhang L, Li M, Zhang W, Wang J. Does the intrinsic photocontrollable oxidase-mimicking activity of 2-aminoterephthalic acid dominate the activity of metal–organic frameworks? Inorg Chem Front 2021. [DOI: 10.1039/d1qi00319d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
The ligand ATA possesses intrinsic photocontrolled oxidase-like activity, showing promise in designing ATA-MOF with photoresponsive enzyme-like activity like Al-ATA and establishing the colorimetric strategy for Cu2+ detection.
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Affiliation(s)
- Ying Nian
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Linpin Luo
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Wenxin Zhu
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Chengyuan Yang
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Liang Zhang
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Min Li
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Wentao Zhang
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
| | - Jianlong Wang
- College of Food Science and Engineering
- Northwest A&F University
- Yangling 712100
- China
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28
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Gu Z, Perez-Aguilar JM, Shao Q. Restricted binding of a model protein on C3N4 nanosheets suggests an adequate biocompatibility of the nanomaterial. RSC Adv 2021; 11:7417-7425. [PMID: 35423284 PMCID: PMC8694939 DOI: 10.1039/d0ra10125g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 02/03/2021] [Indexed: 11/21/2022] Open
Abstract
The fixed binding pattern of protein adsorption to C3N4 plays a major role in the nanomaterial biocompatibility, which results from the inherent porous surface structure.
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Affiliation(s)
- Zonglin Gu
- College of Physical Science and Technology
- Yangzhou University
- China
| | - Jose Manuel Perez-Aguilar
- School of Chemical Sciences
- Meritorious Autonomous University of Puebla (BUAP)
- University City
- Puebla 72570
- Mexico
| | - Qiwen Shao
- Institute of Quantitative Biology
- Department of Physics
- College of Life Science
- Zhejiang University
- Hangzhou 310027
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29
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Liu H, Jin P, Zhu F, Nie L, Qiu H. A review on the use of ionic liquids in preparation of molecularly imprinted polymers for applications in solid-phase extraction. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2020.116132] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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30
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Qu K, Dai W, Bai Y, Chen Y, Chen Z, Deng M. One electron oxidation of ascorbic acid facilitated by ionic liquid-doped poly (3, 4-ethylenedioxythiophene) as artificial enzyme. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114702] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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31
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Liu J, Gao J, Zhang A, Guo Y, Fan S, He Y, Yang K, Wang J, Cui D, Cheng Y. Carbon nanocage-based nanozyme as an endogenous H 2O 2-activated oxygenerator for real-time bimodal imaging and enhanced phototherapy of esophageal cancer. NANOSCALE 2020; 12:21674-21686. [PMID: 33099588 DOI: 10.1039/d0nr05945e] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Intelligent phototherapy by theranostic nanosystems that can be activated by a tumor microenvironment has high sensitivity and specificity. However, hypoxia and low drug accumulation in tumors greatly limit its clinical application. Herein, we have designed a cage-like carbon-manganese nanozyme, which effectively relieves tumor hypoxia and delivers numerous photosensitizers (PSs) to the tumor site, for real-time imaging and enhanced phototherapy of esophageal cancer. Specifically, bovine serum albumin (BSA) was used as a template and reducing agent for preparing a BSA-MnO2 nanozyme; then a BSA-MnO2/IR820@OCNC (BMIOC) nanosystem was successfully synthesized by crosslinking BSA-MnO2 on the surface of IR820-loaded carboxylated carbon nanocages (OCNCs). Abundant PSs were successfully delivered to tumor sites via hollow OCNCs, and the final loading rate of IR820 reached 42.8%. The intratumor BMIOC nanosystem can be initiated by a tumor microenvironment to switch on its magnetic resonance (MR) imaging signal, and photothermal therapy (PTT) and photodynamic therapy (PDT) functions. Notably, the BSA-MnO2 nanozyme, with intrinsic catalase (CAT)-like activity, catalyzed endogenous H2O2 for oxygen generation to overcome tumor hypoxia and enhance PDT, thereby leading to more efficient therapeutic effects in combination with OCNC-elevated PTT. In addition, the H2O2-activated and acid-enhanced properties enable our nanosystem to be specific to tumors, protecting normal tissues from damage. By integrating a high drug loading capacity, a hypoxia regulation function, an enlarged phototherapy effect, and bimodal imaging into a nanozyme-mediated nanoreactor, this work realizes a "one for all" system and represents promising clinical translation for efficient esophageal cancer theranostics.
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Affiliation(s)
- Jingjing Liu
- Department of Interventional Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, P.R. China. and Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai 200240, P.R. China.
| | - Jiameng Gao
- Department of Ultrasound in Medicine, Shanghai Institute of Ultrasound in Medicine, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, P.R. China and Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai 200240, P.R. China.
| | - Amin Zhang
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai 200240, P.R. China.
| | - Yuliang Guo
- Rehabilitation department at Shanghai Putuo District People's Hospital, School of Life Sciences and Technology, Tongji University, Shanghai 200092, PR China
| | - Shanshan Fan
- Department of Interventional Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, P.R. China. and Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai 200240, P.R. China.
| | - Yu He
- Department of Interventional Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, P.R. China.
| | - Kai Yang
- Department of Interventional Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, P.R. China.
| | - Jianbo Wang
- Department of Interventional Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, P.R. China.
| | - Daxiang Cui
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai 200240, P.R. China.
| | - Yingsheng Cheng
- Department of Interventional Radiology, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai 200233, P.R. China.
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32
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Shu S, Wang P, Zhang W, Wang W, Li J, Chu Y, Wei F, Zhang X, Jiang G. Pd nanoparticles on defective polymer carbon nitride: Enhanced activity and origin for electrocatalytic hydrodechlorination reaction. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2020.04.022] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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33
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Zhang Z, Gao Y, Li P, Qu B, Mu Z, Liu Y, Qu Y, Kong D, Chang Q, Jing L. Highly sensitive fluorescence detection of chloride ion in aqueous solution with Ag-modified porous g-C3N4 nanosheets. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2020.05.024] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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34
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Zhan H, Wang Y, Mi X, Zhou Z, Wang P, Zhou Q. Effect of graphitic carbon nitride powders on adsorption removal of antibiotic resistance genes from water. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2020.08.015] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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35
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Zhang C, Zhang H, Wu P, Zhang X, Liu J. Suppressing the background activity of hemin for boosting the sensitivity of DNAzyme-based biosensors by SYBR Green I. Biosens Bioelectron 2020; 169:112603. [PMID: 32947082 DOI: 10.1016/j.bios.2020.112603] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 09/04/2020] [Accepted: 09/06/2020] [Indexed: 02/08/2023]
Abstract
Peroxidase-like DNAzymes have been extensively used to replace horseradish peroxidase (HRP) for developing biosensors for signal amplification. However, the background activity from the cofactor (i.e., free hemin) has limited the sensitivity of such sensors. Herein, we aim to find an inhibitor for hemin to suppress the background signal, and a classic split DNAzyme-based sensor was used to detect a complementary DNA oligonucleotide. After screening a series of dyes, SYBR Green I (SG, one of the DNA stanning dyes) was selected for suppressing the background. Simply by adding 0.84 μM SG, the background from 50 nM hemin was suppressed over 30-fold. The suppression was caused by the interaction between SG and hemin. In the presence of the target DNA, the formed duplex region and G-quadruplex structure can better bind SG and hemin respectively, thus preventing the interaction between them and showing a high activity of the DNAzyme. The optimized sensor showed a detection limit of 3.8 pM for the target DNA (p53 gene). In addition, the backgrounds from chemiluminescence, colorimetric and fluorescence sensing modes can all be reduced by adding SG to the split DNAzyme system. The suppression of the background of peroxidase DNAzymes is a critical step towards practical use of related biosensors.
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Affiliation(s)
- Chi Zhang
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China
| | - Houchun Zhang
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China
| | - Peng Wu
- Key Laboratory of Green Chemistry and Technology, Analytical & Testing Center, Sichuan University, 29 Wangjiang Road, Chengdu, 610064, China
| | - Xinfeng Zhang
- College of Materials and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China; Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Ontario N2L 3G1, Canada.
| | - Juewen Liu
- Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Ontario N2L 3G1, Canada.
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36
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Zhang R, Jian W, Yang ZD, Bai FQ. Insights into the photocatalytic mechanism of the C4N/MoS2 heterostructure: A first-principle study. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2020.04.055] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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37
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Zhang X, Yang Q, Lang Y, Jiang X, Wu P. Rationale of 3,3',5,5'-Tetramethylbenzidine as the Chromogenic Substrate in Colorimetric Analysis. Anal Chem 2020; 92:12400-12406. [PMID: 32794705 DOI: 10.1021/acs.analchem.0c02149] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Horseradish peroxidase (HRP)-based assays feature particular interests because of the simple colorimetric readout. In these assays, 3,3',5,5'-tetramethylbenzidine (TMB) is the most widely used chromogenic substrates for HRP. The later research in nanozyme and DNAzyme also used TMB (the chosen substrate) because they are both HRP-mimics. It should be noted that the substrate of HRP is not just limited to TMB but, in fact, a broad range of benzidine derivatives. However, except decreased carcinogenicity due to tetrasubstitution of benzidine, the rationale for the chosen substrate TMB is not clear yet. Here, we addressed such a fundamental issue from the chemistry point of view. Nine benzidine derivatives featuring varied properties (different substitution groups and varied number of substitutions) were selected and investigated with four typical TMB-involved chromogenic systems. Among the existing benzidine substrates that are used for peroxidase-based assays, TMB exhibited the highest sensitivity, better color purity of colored products, and reasonable stability of oxidation products. Moreover, two tetrasubstituted benzidine derivatives other than TMB (4OCH3 and 2OCH32CH3) were synthesized for comparison. It turned out that the performances (sensitivity, color purity, and stability of the colored products) of TMB are still superior, thus chemically confirming its status of "the chosen substrate" in colorimetric assays.
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Affiliation(s)
- Xiao Zhang
- State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610064, China.,Analytical & Testing Center, Sichuan University, Chengdu 610064, China
| | - Qin Yang
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610064, China
| | - Yunhe Lang
- State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610064, China.,Analytical & Testing Center, Sichuan University, Chengdu 610064, China
| | - Xia Jiang
- National Engineering Research Center for Flue Gas Desulfurization, Sichuan University, Chengdu 610064, China
| | - Peng Wu
- State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610064, China.,Analytical & Testing Center, Sichuan University, Chengdu 610064, China.,National Engineering Research Center for Flue Gas Desulfurization, Sichuan University, Chengdu 610064, China
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38
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Tang G, Liu W, Chen Z, Huang PJJ, Qin X, Xu S. Graphene oxide as a cartridge enable on-line assembly of photosensitizer for 1O 2-based electrochemical aptasensing. Mikrochim Acta 2020; 187:477. [PMID: 32740677 DOI: 10.1007/s00604-020-04392-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 06/15/2020] [Indexed: 11/25/2022]
Abstract
An ultrasensitive 1O2-based electrochemical aptasensor by on-line assembly of photosensitizers using graphene oxide (GO) as a cartridge is reported. In the presence of target protein lysozyme, the interaction of lysozyme with aptamer led to the dissociation of dsDNA and release of the aptamer-lysozyme complex to solution, with DNA-c retaining on the electrode; then, the photosensitizer phloxine B (PB) was assembled on the electrode since GO can simultaneously adsorb DNA-c and PB molecules. Upon irradiation by a green LED, 1O2 was generated by photocatalysis of PB molecules and then cleaved the DNA-c, leading to remarkably decreased impedance signals that linearly respond with the logarithm of lysozyme concentration. Benefitting from the efficient photosensitization ability of PB and the high PB-loading capacity of GO, the developed sensor allowed determination of 0.001 to 100 nM lysozyme with a limit of detection of about 0.14 pM. The relative standard deviation (RSD) for five independent electrodes with 1 nM lysozyme was 3.1%, indicating satisfactory reproducibility. The sensor also showed excellent selectivity toward lysozyme in the presence of interfering substances and was applied to the determination of lysozyme in urine samples with recoveries ranging from 91 to 101%. The on-line assembly of photosensitizer technique opens a new way for amplified electrosensing of biomolecules. Graphical abstract An on-line assembly of photosensitizers and DNA on electrode was developed using graphene oxide a cartridge and the photocatalytic electrosensor can be used for label-free detection of lysozyme as low as 1 pM.
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Affiliation(s)
- Gangxu Tang
- College of Material and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China
| | - Wei Liu
- College of Ecology and Environment, Chengdu University of Technology, Chengdu, 610059, China
| | - Zhaoxia Chen
- College of Material and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China
| | - Po-Jung Jimmy Huang
- Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada
| | - Xiaojiao Qin
- College of Material and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China
| | - Shuxia Xu
- College of Ecology and Environment, Chengdu University of Technology, Chengdu, 610059, China.
- Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada.
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39
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Ou Q, Xu S, Long Y, Zhang X. Porous visible light-responsive Fe 3+-doped carbon nitride for efficient degradation of sulfadiazine. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:27849-27858. [PMID: 32399874 DOI: 10.1007/s11356-020-08749-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Accepted: 04/03/2020] [Indexed: 05/06/2023]
Abstract
The development of efficient solar driven catalyst for the degradation of antibiotics has become increasingly important in environmental protection. However, the reported efficient photocatalysts for antibiotic degradation are limited. In this work, porous Fe3+-doped graphitic carbon nitride (g-C3N4) with outstanding photocatalytic ability is synthesized and then used as the photocatalyst for the efficient degradation of sulfadiazine (SDZ) under visible light. A series of characterization results indicate that Fe3+ is successfully doped into the interlayer of g-C3N4 and is stabilized in g-C3N4 by Fe-N coordination bond. The SEM, DRS and ESI and transient photocurrent results demonstrated that Fe3+-doped g-C3N4 has a porous structure, a low band gap, improved separation efficiency of photogenerated electron and holes as well as a wider light absorption range. Such improved physical and chemical properties greatly enhanced the photocatalytic ability. Using Fe3+-doped g-C3N4 for photocatalytic degradation of SDZ under white light, almost complete degradation of SDZ was achieved with a degradation efficiency as high as 99.8% (whereas only 52.1% for bulk g-C3N4) within 90 min. The degradation was mainly ascribe to 1O2 during the irradiation, and also a small amount of •O2-, OH• and h+ are involved in the degradation process. The Fe3+-doped g-C3N4 was applicable for the degradation of a wide range of antibiotic pollutants.
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Affiliation(s)
- Qi Ou
- College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China
| | - Shuxia Xu
- College of Ecology and Environment, Chengdu University of Technology, Chengdu, 610059, China.
| | - Yuanli Long
- College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China
| | - Xinfeng Zhang
- College of Materials and Chemistry and Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China.
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40
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Long Y, Liu S, Cai Y, Zhang J, Zhang X, Tang Y. A triple-channel sensing array for protein discrimination based on multi-photoresponsive g-C 3N 4. Mikrochim Acta 2020; 187:449. [PMID: 32676680 DOI: 10.1007/s00604-020-04396-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2019] [Accepted: 06/16/2020] [Indexed: 12/18/2022]
Abstract
Graphitic carbon nitride (g-C3N4) as an outstanding photoresponsive nanomaterial has been widely used in biosensing. Other than the conventional single channel sensing mode, a triple-channel sensing array was developed for high discrimination of proteins based on the photoresponsive g-C3N4. Besides the photoluminescence and Rayleigh light scattering features of g-C3N4, we exploit the new photosensitive colorimetry of g-C3N4 as the third channel optical input. The triple-channel optical behavior of g-C3N4 can be synchronously changed after interaction with the protein, resulting in the distinct response patterns related to each specific protein. Such a triple-channel sensing array is demonstrated for highly discriminative and precise identification of nine proteins (hemoglobin, trypsin, lysozyme, cytochrome c, horseradish peroxidase, transferrin, human serum albumin, pepsin, and myoglobin) at 1 μM concentration levels with 100% accuracy. It also can discriminate proteins being present at different concentration and protein mixtures with different content ratios. The practicability of this sensor array is validated by high accuracy identification of nine proteins in human urine samples. This indicates that the array has a great potential in terms of analyzing biological fluids. Graphic abstract .
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Affiliation(s)
- Yuanli Long
- College of Material and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China.,School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, 400044, China
| | - Shuang Liu
- College of Material and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China
| | - Yunfei Cai
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, 400044, China
| | - Jiale Zhang
- College of Material and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China
| | - Xinfeng Zhang
- College of Material and Chemistry & Chemical Engineering, Chengdu University of Technology, Chengdu, 610059, China.
| | - Yurong Tang
- School of Chemistry and Chemical Engineering, Chongqing University, 174 Shazheng Street, Chongqing, 400044, China.
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41
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Zhang J, Liu J. Nanozyme‐based luminescence detection. LUMINESCENCE 2020; 35:1185-1194. [DOI: 10.1002/bio.3893] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/19/2020] [Accepted: 06/02/2020] [Indexed: 12/24/2022]
Affiliation(s)
- Jinyi Zhang
- Department of Chemistry, Waterloo Institute for Nanotechnology University of Waterloo Waterloo Ontario Canada
| | - Juewen Liu
- Department of Chemistry, Waterloo Institute for Nanotechnology University of Waterloo Waterloo Ontario Canada
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42
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Deep eutectic solvent-assisted facile synthesis of copper hydroxide nitrate nanosheets as recyclable enzyme-mimicking colorimetric sensor of biothiols. Anal Bioanal Chem 2020; 412:4629-4638. [DOI: 10.1007/s00216-020-02712-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 05/01/2020] [Accepted: 05/14/2020] [Indexed: 10/24/2022]
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43
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Hu D, Pan M, Yu Y, Sun A, Shi K, Qu Y, Qian Z. Application of nanotechnology for enhancing photodynamic therapy via ameliorating, neglecting, or exploiting tumor hypoxia. VIEW 2020. [DOI: 10.1002/viw2.6] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Affiliation(s)
- DanRong Hu
- State Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSichuan University, Collaborative Innovation Center for Biotherapy Chengdu Sichuan P. R. China
| | - Meng Pan
- State Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSichuan University, Collaborative Innovation Center for Biotherapy Chengdu Sichuan P. R. China
| | - Yan Yu
- State Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSichuan University, Collaborative Innovation Center for Biotherapy Chengdu Sichuan P. R. China
| | - Ao Sun
- State Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSichuan University, Collaborative Innovation Center for Biotherapy Chengdu Sichuan P. R. China
| | - Kun Shi
- State Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSichuan University, Collaborative Innovation Center for Biotherapy Chengdu Sichuan P. R. China
| | - Ying Qu
- Department of Hematology and Research Laboratory of HematologyState Key Laboratory of BiotherapyWest China HospitalSichuan University, Collaborative Innovation Center for Biotherapy Chengdu Sichuan P. R. China
| | - ZhiYong Qian
- State Key Laboratory of Biotherapy and Cancer CenterWest China HospitalSichuan University, Collaborative Innovation Center for Biotherapy Chengdu Sichuan P. R. China
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44
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Zhang J, Liu J. Light-activated nanozymes: catalytic mechanisms and applications. NANOSCALE 2020; 12:2914-2923. [PMID: 31993620 DOI: 10.1039/c9nr10822j] [Citation(s) in RCA: 72] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Recently, nanozymes have attracted enormous interest for their high stability, low cost and various enzyme-like activities. In nature, many biochemical reactions require light. Recently, introducing light to nanozymes has also been reported, especially for photosensitized oxygen activation. Compared to normal nanozymes, light-activated nanozymes possess several advantages including light-regulated activity, using molecular oxygen as a green oxidant, and often higher activity can be achieved. Herein, we summarize light-activated nanozymes, starting from their photophysical processes and identification of reactive oxygen species (ROS). Although the types of light-activated nanozymes are still quite limited and cannot yet mimic the same reactions as natural photo-related enzymes, they have widened the range of nanozymes. A few specific applications are highlighted, including sensing, chemical synthesis, degradation of organic pollutants, and cleavage and repair of DNA. Finally, a few future research opportunities are discussed.
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Affiliation(s)
- Jinyi Zhang
- Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada.
| | - Juewen Liu
- Department of Chemistry, Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, Ontario N2L 3G1, Canada.
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Ou Q, Tawfik SM, Zhang X, Lee YI. Novel “turn on–off” paper sensor based on nonionic conjugated polythiophene-coated CdTe QDs for efficient visual detection of cholinesterase activity. Analyst 2020; 145:4305-4313. [DOI: 10.1039/d0an00924e] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A novel conjugated polythiophene (CP) compound was successfully combined with CdTe quantum dots to improve their selectivity and sensitivity for the efficient visual detection of AChE activity via the color variation of CdTe/CP.
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Affiliation(s)
- Qi Ou
- Department of Chemistry
- Changwon National University
- Changwon 51140
- Republic of Korea
- College of Materials and Chemistry & Chemical Engineering
| | - Salah M. Tawfik
- Department of Chemistry
- Changwon National University
- Changwon 51140
- Republic of Korea
- Department of Petrochemicals
| | - Xinfeng Zhang
- College of Materials and Chemistry & Chemical Engineering
- Chengdu University of Technology
- Chengdu 610059
- China
| | - Yong-Ill Lee
- Department of Chemistry
- Changwon National University
- Changwon 51140
- Republic of Korea
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