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Han H, Ji Y, Zhao X, Yin L, Liu X, Sha J. MOFs@POMs-derived bimetallic oxide Fe 2(MoO 4) 3 nanoparticles for sensitive colorimetric detection of salicylic acid in aspirin. Mikrochim Acta 2024; 191:178. [PMID: 38443607 DOI: 10.1007/s00604-024-06261-z] [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: 11/06/2023] [Accepted: 02/04/2024] [Indexed: 03/07/2024]
Abstract
A colorimetric sensing method for salicylic acid (SA) was developed by designing and fabricating bimetallic oxide nanozymes. Firstly, by calcinating MIL-100(Fe)@PMo12 (MOFs@POMs) at different temperature, Fe2(MoO4)3-Ts (T = 400℃, 500℃, 600℃, 700℃) nanoparticles (NPs) were successfully prepared. Secondly, by evaluating the peroxidase-like activities, Fe2(MoO4)3-600 NPs shows the best peroxidase-like activity attributed to the Fenton-like effect and the synergistic coupling interaction between Mo and Fe. Finally, based on the specific complexation between SA and Fe3+, a sensitive colorimetric sensor for SA was established, which exhibits superior selectivity and interference with a detection limit of 0.11 μM and a linear range of 10 to 100 μM, the lowest LOD for SA to date, to the best of our knowledge.
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Affiliation(s)
- Hong Han
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, 273155, People's Republic of China
| | - Yuhan Ji
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, 273155, People's Republic of China
- School of Pharmacy, Jiamusi University, Jiamusi, 154007, People's Republic of China
| | - Xin Zhao
- Department of Pharmacy, Boshan District Hospital, Boshan, 255200, People's Republic of China
| | - Ling Yin
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, 273155, People's Republic of China
| | - Xiangyi Liu
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, 273155, People's Republic of China
- School of Pharmacy, Jiamusi University, Jiamusi, 154007, People's Republic of China
| | - Jingquan Sha
- School of Chemistry, Chemical Engineering and Materials, Jining University, Qufu, 273155, People's Republic of China.
- School of Pharmacy, Jiamusi University, Jiamusi, 154007, People's Republic of China.
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2
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Wang R, Du Y, Fu Y, Guo Y, Gao X, Guo X, Wei J, Yang Y. Ceria-Based Nanozymes in Point-of-Care Diagnosis: An Emerging Futuristic Approach for Biosensing. ACS Sens 2023; 8:4442-4467. [PMID: 38091479 DOI: 10.1021/acssensors.3c01692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
In recent years, there has been a notable increase in interest surrounding nanozymes due to their ability to imitate the functions and address the limitations of natural enzymes. The scientific community has been greatly intrigued by the study of nanoceria, primarily because of their distinctive physicochemical characteristics, which include a variety of enzyme-like activities, affordability, exceptional stability, and the ability to easily modify their surfaces. Consequently, nanoceria have found extensive use in various biosensing applications. However, the impact of its redox activity on the enzymatic catalytic mechanism remains a subject of debate, as conflicting findings in the literature have presented both pro-oxidant and antioxidant effects. Herein, we creatively propose a seesaw model to clarify the regulatory mechanism on redox balance and survey possible mechanisms of multienzyme mimetic properties of nanoceria. In addition, this review aims to showcase the latest advancements in this field by systematically discussing over 180 research articles elucidating the significance of ceria-based nanozymes in enhancing, downsizing, and enhancing the efficacy of point-of-care (POC) diagnostics. These advancements align with the ASSURED criteria established by the World Health Organization (WHO). Furthermore, this review also examines potential constraints in order to offer readers a concise overview of the emerging role of nanoceria in the advancement of POC diagnostic systems for future biosensing applications.
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Affiliation(s)
- Ruixue Wang
- College of Biological and Chemical Engineering, Qilu Institute of Technology, Jinan 250200, P. R. China
| | - Yuanyuan Du
- College of Biological and Chemical Engineering, Qilu Institute of Technology, Jinan 250200, P. R. China
| | - Ying Fu
- College of Biological and Chemical Engineering, Qilu Institute of Technology, Jinan 250200, P. R. China
| | - Yingxin Guo
- College of Biological and Chemical Engineering, Qilu Institute of Technology, Jinan 250200, P. R. China
| | - Xing Gao
- College of Biological and Chemical Engineering, Qilu Institute of Technology, Jinan 250200, P. R. China
| | - Xingqi Guo
- State Key Laboratory of Crop Biology, College of Life Sciences, Shandong Agricultural University, Taian 271018, P. R. China
| | - Jingjing Wei
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250200, P. R. China
| | - Yanzhao Yang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan 250200, P. R. China
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3
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Zhang J, Hu M, Wen C, Liu J, Yu F, Long J, Lin XC. CeO 2@CuS@PDA-FA as targeted near-infrared PTT/CDT therapeutic agents for cancer cells. Biomed Mater 2023; 18:065006. [PMID: 37683677 DOI: 10.1088/1748-605x/acf825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Accepted: 09/08/2023] [Indexed: 09/10/2023]
Abstract
Single tumor treatment method usually has some defects, which makes it difficult to achieve good therapeutic effect. The ingenious combination of multiple tumor treatment methods on a single nanoplatform to achieve multifunctional treatment can effectively improve the efficiency of treatment. The targeted modification of nanomaterials can augment the precision of nanotherapeutic drugs in tumor treatment. Herein, a multifunctional nanoplatform (CeO2@CuS@PDA-FA) based on cerium dioxide nanoparticles engineered with copper sulfide (CeO2@CuS) has been constructed for synergistic photothermal therapy (PTT) and chemodynamic therapy (CDT). The CeO2@CuS were coated using polydopamine (PDA), and the modification of PDA surface by folic acid, in order to achieve the targeted effect for tumors. The localized hyperthermia induced by PTT can further improve the CDT efficiency of the nanoplatform, leading to a PTT/CDT synergistic effect. The nanoplatform possessed the capability of cancer cell-targeted and achieved better therapeutic efficacyin vitro. This work provided a new strategy for combined multifunctional theranostic platform and shows strong potential in practical applications.
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Affiliation(s)
- Jing Zhang
- Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, People's Republic of China
| | - Miaomiao Hu
- Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, People's Republic of China
| | - Changchun Wen
- State Key Laboratory for the Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry and Pharmacy Sciences, Guangxi Normal University, Guilin 541004, People's Republic of China
| | - Jian Liu
- Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, People's Republic of China
| | - Fang Yu
- Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, People's Republic of China
| | - Juan Long
- Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, People's Republic of China
| | - Xiang-Cheng Lin
- Guangxi Key Laboratory of Information Materials, School of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin 541004, People's Republic of China
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Galyamin D, Ernst LM, Fitó-Parera A, Mira-Vidal G, Bastús NG, Sabaté N, Puntes V. Nanoceria dissolution at acidic pH by breaking off the catalytic loop. NANOSCALE 2022; 14:14223-14230. [PMID: 36125109 PMCID: PMC9536484 DOI: 10.1039/d2nr03586c] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 08/11/2022] [Indexed: 06/15/2023]
Abstract
This manuscript proves the reproducibility and robustness of cerium oxide nanoparticles, nanoceria, employed as a chemical reagent with oxidizing capacity (as an electron sink) at acidic pH. Unlike nanoceria multi-enzyme-mimetic capabilities at neutral or high pH, nanoceria can behave as a stoichiometric reagent at low pH where insoluble Ce4+ ions transform into soluble Ce3+ in the nanocrystal that finally dissolves. This behaviour can be interpreted as enzyme-like when nanoceria is in excess with respect to the substrate. Under these conditions, the Ce3+/Ce4+ ratio in the NPs can easily be estimated by titration with ferrocyanide. This procedure could become a rapid assessment tool for evaluating nanoceria capacity in liquid environments.
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Affiliation(s)
- Dmitry Galyamin
- Instituto de Microelectrónica de Barcelona, IMB-CNM (CSIC). C/dels Til·lers, Campus Universitat Autònoma de Barcelona (UAB), 08193 Barcelona, Spain.
| | - Lena M Ernst
- Vall d'Hebron Research Institute (VHIR). Hospital Universitari Vall d'Hebron, Passeig de la Vall d'Hebron, 129, 08035 Barcelona, Spain.
| | - Aina Fitó-Parera
- Instituto de Microelectrónica de Barcelona, IMB-CNM (CSIC). C/dels Til·lers, Campus Universitat Autònoma de Barcelona (UAB), 08193 Barcelona, Spain.
| | - Guillem Mira-Vidal
- Instiut Català de Nanociència I Nanotecnologia (ICN2), CSIC and The Barcelona Institute of Science and Technology (BIST). Campus UAB, 08193, Barcelona, Spain
| | - Neus G Bastús
- Instiut Català de Nanociència I Nanotecnologia (ICN2), CSIC and The Barcelona Institute of Science and Technology (BIST). Campus UAB, 08193, Barcelona, Spain
| | - Neus Sabaté
- Instituto de Microelectrónica de Barcelona, IMB-CNM (CSIC). C/dels Til·lers, Campus Universitat Autònoma de Barcelona (UAB), 08193 Barcelona, Spain.
- Institució Catalana de Recerca I Estudis Avançats (ICREA), 08010, Barcelona, Spain
| | - Victor Puntes
- Vall d'Hebron Research Institute (VHIR). Hospital Universitari Vall d'Hebron, Passeig de la Vall d'Hebron, 129, 08035 Barcelona, Spain.
- Instiut Català de Nanociència I Nanotecnologia (ICN2), CSIC and The Barcelona Institute of Science and Technology (BIST). Campus UAB, 08193, Barcelona, Spain
- Institució Catalana de Recerca I Estudis Avançats (ICREA), 08010, Barcelona, Spain
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Biocompatible pericarpium citri reticulatae polysaccharide templated Pd nanoparticles for effectively colorimetric detection of glutathione. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Copper nanocomposite decorated two-dimensional metal organic frameworks of metalloporphyrin with peroxidase-mimicking activity. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128876] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Liang Y, Li H, Fan L, Li R, Cui Y, Ji X, Xiao H, Hu J, Wang L. Zwitterionic daptomycin stabilized palladium nanoparticles with enhanced peroxidase-like properties for glucose detection. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.127797] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Alvarado-Ramírez L, Rostro-Alanis M, Rodríguez-Rodríguez J, Sosa-Hernández JE, Melchor-Martínez EM, Iqbal HMN, Parra-Saldívar R. Enzyme (Single and Multiple) and Nanozyme Biosensors: Recent Developments and Their Novel Applications in the Water-Food-Health Nexus. BIOSENSORS 2021; 11:410. [PMID: 34821626 PMCID: PMC8615953 DOI: 10.3390/bios11110410] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/17/2021] [Accepted: 09/22/2021] [Indexed: 02/05/2023]
Abstract
The use of sensors in critical areas for human development such as water, food, and health has increased in recent decades. When the sensor uses biological recognition, it is known as a biosensor. Nowadays, the development of biosensors has been increased due to the need for reliable, fast, and sensitive techniques for the detection of multiple analytes. In recent years, with the advancement in nanotechnology within biocatalysis, enzyme-based biosensors have been emerging as reliable, sensitive, and selectively tools. A wide variety of enzyme biosensors has been developed by detecting multiple analytes. In this way, together with technological advances in areas such as biotechnology and materials sciences, different modalities of biosensors have been developed, such as bi-enzymatic biosensors and nanozyme biosensors. Furthermore, the use of more than one enzyme within the same detection system leads to bi-enzymatic biosensors or multi-enzyme sensors. The development and synthesis of new materials with enzyme-like properties have been growing, giving rise to nanozymes, considered a promising tool in the biosensor field due to their multiple advantages. In this review, general views and a comparison describing the advantages and disadvantages of each enzyme-based biosensor modality, their possible trends and the principal reported applications will be presented.
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Affiliation(s)
| | | | | | | | | | | | - Roberto Parra-Saldívar
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico; (L.A.-R.); (M.R.-A.); (J.R.-R.); (J.E.S.-H.); (E.M.M.-M.); (H.M.N.I.)
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Lv W, Yuan X, Yan C, Ma Q, Wang B, Du J, Zheng B, Xiao D. Dual-readout performance of Eu 3+-doped nanoceria as a phosphatase mimic for degradation and detection of organophosphate. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:4747-4755. [PMID: 34559169 DOI: 10.1039/d1ay01080h] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Eu3+-Doped nanoceria (Eu:CeO2) with self-integrated catalytic and luminescence sensing functions was synthesized by a simple and gentle one-pot method to build a dual-readout nanozyme platform for organophosphate compound (OPC) sensing in this work. The catalytic degradation of the model substrate of OPC, p-nitrophenyl phosphate (p-NPP), by as-prepared Eu:CeO2 can be completed in 2 min with little influence of temperature and pH values, highlighting the advantages of Eu:CeO2 as an artificial enzyme for dephosphorylation. Most importantly, the characteristic red emission of Eu3+ (592 nm) from Eu:CeO2 can be quenched by p-NPP, accompanied by a color change from colorless to yellow. Based on this, linear ranges of 4-50 μM with a detection limit of 3.3 μM and 1-20 μM with a detection limit of 0.6 μM for p-NPP were obtained by colorimetric and fluorescence methods, respectively. Furthermore, the fluorescence strategy was effectively applied to the determination of ethyl para-nitrophenyl (EPN), one of the most commonly used pesticides, with a detection limit of 5.86 μM. The proposed strategy was also successfully applied to the assay of p-NPP and EPN in real water samples, showing great application prospects in detecting OPC in the environment.
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Affiliation(s)
- Wendi Lv
- College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Xiaoying Yuan
- College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Chenglu Yan
- College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Qiuting Ma
- College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Bing Wang
- College of Chemistry, Sichuan University, Chengdu 610064, China.
| | - Juan Du
- College of Chemistry, Sichuan University, Chengdu 610064, China.
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, Sichuan University, Chengdu 610064, China
| | - Baozhan Zheng
- College of Chemistry, Sichuan University, Chengdu 610064, China.
- School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453000, China
| | - Dan Xiao
- College of Chemistry, Sichuan University, Chengdu 610064, China.
- Key Laboratory of Green Chemistry and Technology, Ministry of Education, Sichuan University, Chengdu 610064, China
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10
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Wu Y, Darland DC, Zhao JX. Nanozymes-Hitting the Biosensing "Target". SENSORS (BASEL, SWITZERLAND) 2021; 21:5201. [PMID: 34372441 PMCID: PMC8348677 DOI: 10.3390/s21155201] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/26/2021] [Accepted: 07/29/2021] [Indexed: 12/13/2022]
Abstract
Nanozymes are a class of artificial enzymes that have dimensions in the nanometer range and can be composed of simple metal and metal oxide nanoparticles, metal nanoclusters, dots (both quantum and carbon), nanotubes, nanowires, or multiple metal-organic frameworks (MOFs). They exhibit excellent catalytic activities with low cost, high operational robustness, and a stable shelf-life. More importantly, they are amenable to modifications that can change their surface structures and increase the range of their applications. There are three main classes of nanozymes including the peroxidase-like, the oxidase-like, and the antioxidant nanozymes. Each of these classes catalyzes a specific group of reactions. With the development of nanoscience and nanotechnology, the variety of applications for nanozymes in diverse fields has expanded dramatically, with the most popular applications in biosensing. Nanozyme-based novel biosensors have been designed to detect ions, small molecules, nucleic acids, proteins, and cancer cells. The current review focuses on the catalytic mechanism of nanozymes, their application in biosensing, and the identification of future directions for the field.
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Affiliation(s)
- Yingfen Wu
- Department of Chemistry, University of North Dakota, Grand Forks, ND 58202, USA;
| | - Diane C. Darland
- Department of Biology, University of North Dakota, Grand Forks, ND 58202, USA
| | - Julia Xiaojun Zhao
- Department of Chemistry, University of North Dakota, Grand Forks, ND 58202, USA;
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Liu Q, Zhang A, Wang R, Zhang Q, Cui D. A Review on Metal- and Metal Oxide-Based Nanozymes: Properties, Mechanisms, and Applications. NANO-MICRO LETTERS 2021; 13:154. [PMID: 34241715 PMCID: PMC8271064 DOI: 10.1007/s40820-021-00674-8] [Citation(s) in RCA: 161] [Impact Index Per Article: 53.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 05/31/2021] [Indexed: 05/19/2023]
Abstract
Since the ferromagnetic (Fe3O4) nanoparticles were firstly reported to exert enzyme-like activity in 2007, extensive research progress in nanozymes has been made with deep investigation of diverse nanozymes and rapid development of related nanotechnologies. As promising alternatives for natural enzymes, nanozymes have broadened the way toward clinical medicine, food safety, environmental monitoring, and chemical production. The past decade has witnessed the rapid development of metal- and metal oxide-based nanozymes owing to their remarkable physicochemical properties in parallel with low cost, high stability, and easy storage. It is widely known that the deep study of catalytic activities and mechanism sheds significant influence on the applications of nanozymes. This review digs into the characteristics and intrinsic properties of metal- and metal oxide-based nanozymes, especially emphasizing their catalytic mechanism and recent applications in biological analysis, relieving inflammation, antibacterial, and cancer therapy. We also conclude the present challenges and provide insights into the future research of nanozymes constituted of metal and metal oxide nanomaterials.
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Affiliation(s)
- Qianwen Liu
- 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, People's Republic of China
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of 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, People's Republic of China.
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of China.
| | - Ruhao Wang
- 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, People's Republic of China
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of China
| | - Qian 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, People's Republic of China
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of 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, People's Republic of China.
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of China.
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Kong X, Yang R, Li Y, Wei Y, Sun Y, Lyu H, Yin D, Zhu X, Lu G, Liu Q. Co3O4-binuclear phthalocyanine nanocomposites with enhanced peroxidase-like activity for sensitive detection of glutathione. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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13
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Peroxidase-Like Metal-Based Nanozymes: Synthesis, Catalytic Properties, and Analytical Application. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11020777] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Nanozymes (NZs) are nanostructured artificial enzymes that mimic catalytic properties of natural enzymes. The NZs have essential advantages over natural enzymes, namely low preparation costs, stability, high surface area, self-assembling capability, size and composition-dependent activities, broad possibility for modification, and biocompatibility. NZs have wide potential practical applications as catalysts in biosensorics, fuel-cell technology, environmental biotechnology, and medicine. Most known NZs are mimetics of oxidoreductases or hydrolases. The present work aimed to obtain effective artificial peroxidase (PO)-like NZs (nanoPOs), to characterize them, and to estimate the prospects of their analytical application. NanoPOs were synthesized using a number of nanoparticles (NPs) of transition and noble metals and were screened for their catalytic activity in solution and on electrodes. The most effective nanoPOs were chosen as NZs and characterized by their catalytic activity. Kinetic parameters, size, and structure of the best nanoPOs (Cu/CeS) were determined. Cu/CeS-based sensor for H2O2 determination showed high sensitivity (1890 A·M−1·m−2) and broad linear range (1.5–20,000 µM). The possibility to apply Cu/CeS-NZ as a selective layer in an amperometric sensor for hydrogen-peroxide analysis of commercial disinfectant samples was demonstrated.
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Yáñez-Sedeño P, González-Cortés A, Campuzano S, Pingarrón JM. Multimodal/Multifunctional Nanomaterials in (Bio)electrochemistry: Now and in the Coming Decade. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2556. [PMID: 33352731 PMCID: PMC7766190 DOI: 10.3390/nano10122556] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 12/13/2020] [Accepted: 12/16/2020] [Indexed: 01/15/2023]
Abstract
Multifunctional nanomaterials, defined as those able to achieve a combined effect or more than one function through their multiple functionalization or combination with other materials, are gaining increasing attention in the last years in many relevant fields, including cargo targeted delivery, tissue engineering, in vitro and/or in vivo diseases imaging and therapy, as well as in the development of electrochemical (bio)sensors and (bio)sensing strategies with improved performance. This review article aims to provide an updated overview of the important advances and future opportunities exhibited by electrochemical biosensing in connection to multifunctional nanomaterials. Accordingly, representative aspects of recent approaches involving metal, carbon, and silica-based multifunctional nanomaterials are selected and critically discussed, as they are the most widely used multifunctional nanomaterials imparting unique capabilities in (bio)electroanalysis. A brief overview of the main remaining challenges and future perspectives in the field is also provided.
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Affiliation(s)
- Paloma Yáñez-Sedeño
- Departamento de Química Analítica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain; (A.G.-C.); (J.M.P.)
| | | | - Susana Campuzano
- Departamento de Química Analítica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain; (A.G.-C.); (J.M.P.)
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