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Kim S, Kang SC, Lee SM, Lee J, Cho Y, Shim Y, Park HG. A novel electrochemical strategy to detect hydrogen peroxide by utilizing peroxidase-mimicking activity of cerium oxide/graphene oxide nanocomposites. Biosens Bioelectron 2024; 253:116161. [PMID: 38457864 DOI: 10.1016/j.bios.2024.116161] [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: 10/31/2023] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 03/10/2024]
Abstract
We herein describe a novel electrochemical strategy to detect hydrogen peroxide (H2O2) by utilizing the peroxidase-mimicking activity of cerium oxide nanoparticles (CeO2 NP) and reduced graphene oxide (rGO). Particularly, CeO2 NP/rGO nanocomposites were deposited on the commercial electrode by a very convenient and direct electrochemical reduction of graphene oxide. Due to the peroxidase-mimicking activity of CeO2 NP and the outstanding electrochemical properties of reduced graphene oxide, the reduction current of H2O2 was greatly enhanced. Based on this strategy, we reliably determined H2O2 down to 1.67 μM with excellent specificity and further validated its practical capabilities by robustly detecting H2O2 present in heterogeneous human serum samples. We believe that this work could serve as a new facile platform for H2O2 detection.
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Affiliation(s)
- Sunghyeon Kim
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Shin Chan Kang
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Sang Mo Lee
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Jinhwan Lee
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Youngran Cho
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Yeonjin Shim
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Hyun Gyu Park
- Department of Chemical and Biomolecular Engineering (BK21 four), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea.
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2
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Kuntoji G, Kousar N, Gaddimath S, Koodlur Sannegowda L. Macromolecule-Nanoparticle-Based Hybrid Materials for Biosensor Applications. BIOSENSORS 2024; 14:277. [PMID: 38920581 PMCID: PMC11201996 DOI: 10.3390/bios14060277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 04/21/2024] [Accepted: 04/26/2024] [Indexed: 06/27/2024]
Abstract
Biosensors function as sophisticated devices, converting biochemical reactions into electrical signals. Contemporary emphasis on developing biosensor devices with refined sensitivity and selectivity is critical due to their extensive functional capabilities. However, a significant challenge lies in the binding affinity of biosensors to biomolecules, requiring adept conversion and amplification of interactions into various signal modalities like electrical, optical, gravimetric, and electrochemical outputs. Overcoming challenges associated with sensitivity, detection limits, response time, reproducibility, and stability is essential for efficient biosensor creation. The central aspect of the fabrication of any biosensor is focused towards forming an effective interface between the analyte electrode which significantly influences the overall biosensor quality. Polymers and macromolecular systems are favored for their distinct properties and versatile applications. Enhancing the properties and conductivity of these systems can be achieved through incorporating nanoparticles or carbonaceous moieties. Hybrid composite materials, possessing a unique combination of attributes like advanced sensitivity, selectivity, thermal stability, mechanical flexibility, biocompatibility, and tunable electrical properties, emerge as promising candidates for biosensor applications. In addition, this approach enhances the electrochemical response, signal amplification, and stability of fabricated biosensors, contributing to their effectiveness. This review predominantly explores recent advancements in utilizing macrocyclic and macromolecular conjugated systems, such as phthalocyanines, porphyrins, polymers, etc. and their hybrids, with a specific focus on signal amplification in biosensors. It comprehensively covers synthetic strategies, properties, working mechanisms, and the potential of these systems for detecting biomolecules like glucose, hydrogen peroxide, uric acid, ascorbic acid, dopamine, cholesterol, amino acids, and cancer cells. Furthermore, this review delves into the progress made, elucidating the mechanisms responsible for signal amplification. The Conclusion addresses the challenges and future directions of macromolecule-based hybrids in biosensor applications, providing a concise overview of this evolving field. The narrative emphasizes the importance of biosensor technology advancement, illustrating the role of smart design and material enhancement in improving performance across various domains.
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Affiliation(s)
| | | | | | - Lokesh Koodlur Sannegowda
- Department of Studies in Chemistry, Vijayanagara Sri Krishnadevaraya University, Jnanasagara, Vinayakanagara, Ballari 583105, India; (G.K.); (N.K.); (S.G.)
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Herzog AE, Michael TJ, Dunkelberger AD, Johannes MD, Rolison DR, DeSario PA, Novak TG. Nanostructured CeO 2 photocatalysts: optimizing surface chemistry, morphology, and visible-light absorption. NANOSCALE 2024; 16:9659-9679. [PMID: 38683667 DOI: 10.1039/d4nr00676c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
Emerging photocatalytic applications of cerium dioxide (CeO2) include green hydrogen production, CO2 conversion to fuels, and environmental remediation of various toxic molecules. These applications leverage the oxygen storage capacity and tunable surface chemistry of CeO2 to photocatalyze the chosen reaction, but many open questions remain regarding the fundamental physics of photocatalysis over CeO2. The commonly ascribed 'bandgap' of CeO2 (∼3.1 eV) differs fundamentally from other photocatalytic oxides such as TiO2; UV light excites an electron from the CeO2 valence band into a 4f state, generating a polaron as the lattice distorts around the localized charge. Researchers often disregard the distinction between the 4f state and a traditional, delocalized conduction band, resulting in ambiguity regarding mechanisms of charge transfer and visible-light absorption. This review summarizes modern literature regarding CeO2 photocatalysis and discusses commonly reported photocatalytic reactions and visible light-sensitization strategies. We detail the often misunderstood fundamental physics of CeO2 photocatalysis and supplement previous work with original computational insights. The exceptional progress and remaining challenges of CeO2-based photocatalysts are highlighted, along with suggestions for further research directions based on the observed gaps in current understanding.
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Affiliation(s)
- Austin E Herzog
- NRC Postdoctoral Associate, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
| | - Tara J Michael
- NRC Postdoctoral Associate, U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
| | - Adam D Dunkelberger
- Chemistry Division (Code 6100), U.S. Naval Research Laboratory, Washington, D.C., 20375, USA.
| | - Michelle D Johannes
- Materials Science and Technology Division (Code 6300), U.S. Naval Research Laboratory, Washington, D.C., 20375, USA
| | - Debra R Rolison
- Chemistry Division (Code 6100), U.S. Naval Research Laboratory, Washington, D.C., 20375, USA.
| | - Paul A DeSario
- Former NRL Staff Scientist in Code 6100, Advanced Naval Platforms Division, Office of Naval Research, Arlington, VA, 22203, USA
| | - Travis G Novak
- Chemistry Division (Code 6100), U.S. Naval Research Laboratory, Washington, D.C., 20375, USA.
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Liu S, Mao X, Chen H, Zhu X, Yang G. Catalytic-CO 2-Desorption Studies of BZA-AEP Mixed Absorbent by the Lewis Acid Catalyst CeO 2-γ-Al 2O 3. Molecules 2023; 28:molecules28114438. [PMID: 37298914 DOI: 10.3390/molecules28114438] [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: 05/11/2023] [Revised: 05/27/2023] [Accepted: 05/29/2023] [Indexed: 06/12/2023] Open
Abstract
Traditional organic amines exhibit inferior desorption performance and high regeneration energy consumption. The implementation of solid acid catalysts presents an efficacious approach to mitigate regeneration energy consumption. Thus, investigating high-performance solid acid catalysts holds paramount importance for the advancement and implementation of carbon capture technology. This study synthesized two Lewis acid catalysts via an ultrasonic-assisted precipitation method. A comparative analysis of the catalytic desorption properties was conducted, encompassing these two Lewis acid catalysts and three precursor catalysts. The results demonstrated that the CeO2-γ-Al2O3 catalyst demonstrated superior catalytic desorption performance. Within the desorption temperature range of 90 to 110 °C, the average desorption rate of BZA-AEP catalyzed by the CeO2-γ-Al2O3 catalyst was 87 to 354% greater compared to the desorption rate in the absence of the catalyst, and the desorption temperature can be reduced by approximately 10 °C. A comprehensive analysis of the catalytic desorption mechanism of the CeO2-γ-Al2O3 catalyst was conducted, and indicated that the synergistic effect of CeO2-γ-Al2O3 conferred a potent catalytic influence throughout the entire desorption process, spanning from the rich solution to the lean solution.
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Affiliation(s)
- Shenghua Liu
- Faculty of Maritime and Transportation, Ningbo University, Ningbo 315832, China
| | - Xudong Mao
- Faculty of Maritime and Transportation, Ningbo University, Ningbo 315832, China
| | - Hao Chen
- Faculty of Maritime and Transportation, Ningbo University, Ningbo 315832, China
| | - Xinbo Zhu
- Faculty of Maritime and Transportation, Ningbo University, Ningbo 315832, China
| | - Guohua Yang
- Faculty of Maritime and Transportation, Ningbo University, Ningbo 315832, China
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Rajendran S, Manoj D, Suresh R, Vasseghian Y, Ghfar AA, Sharma G, Soto-Moscoso M. Electrochemical detection of hydrogen peroxide using micro and nanoporous CeO 2 catalysts. ENVIRONMENTAL RESEARCH 2022; 214:113961. [PMID: 35932831 DOI: 10.1016/j.envres.2022.113961] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 06/27/2022] [Accepted: 07/20/2022] [Indexed: 06/15/2023]
Abstract
In this research work, focus has been made on a glassy carbon electrode (GCE) modified commercial micro and synthesized nano-CeO2 for the detection of hydrogen peroxide (H2O2). Firstly, CeO2 nanoleaves were prepared by solvothermal route. Both commercially available micro CeO2 and synthesized nano-CeO2 structures were analyzed by different characterization techniques. The Raman spectra of synthesized nano CeO2 has more oxygen vacancies than micro CeO2. SEM images revealed that the synthesized CeO2 acquired leaf-like morphology. The catalyst nano CeO2 offered mesoporosity from nitrogen adsorption-desorption isotherms with massive sites of activation for increasing efficiency. Experiments on determining H2O2 using micro CeO2 or nano-CeO2/GCE was conducted using cyclic voltammetry (CV) and amperometry. Enhanced H2O2 reduction peak current with lower potential was observed in nano-CeO2/GCE. The influence of scan rate and H2O2 concentration on the performance of nano-CeO2/GCE were also studied. The obtained results have indicated that nano-CeO2/GCE showed improved electrochemical sensing behavior towards the reduction of H2O2 than micro-CeO2/GCE and bare GCE. A linear relationship was obtained over 0.001 μM-0.125 μM concentration of H2O2, with good sensitivity 141.96 μA μM-1 and low detection limit of 0.4 nM. Hence, the present nano-CeO2 system will have a great potential with solvothermal synthesis approach in the development of electrochemical sensors.
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Affiliation(s)
- Saravanan Rajendran
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez, 1775, Arica, Chile.
| | - Devaraj Manoj
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez, 1775, Arica, Chile
| | - R Suresh
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez, 1775, Arica, Chile
| | - Yasser Vasseghian
- Department of Chemistry, Soongsil University, Seoul, 06978, South Korea
| | - Ayman A Ghfar
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Gaurav Sharma
- Instituto de Productos Naturales y Agrobiología, Consejo Superior de Investigaciones Científicas (IPNA-CSIC), Avda. Astrofísico Fco. Sánchez 3, 38206, La Laguna, Spain
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Kim D, Jang Y, Choi E, Chae JE, Jang S. Reinforced Nafion Membrane with Ultrathin MWCNTs/Ceria Layers for Durable Proton-Exchange Membrane Fuel Cells. MEMBRANES 2022; 12:1073. [PMID: 36363628 PMCID: PMC9698217 DOI: 10.3390/membranes12111073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/27/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
For further commercializing proton-exchange membrane fuel cells, it is crucial to attain long-term durability while achieving high performance. In this study, a strategy for modifying commercial Nafion membranes by introducing ultrathin multiwalled carbon nanotubes (MWCNTs)/CeO2 layers on both sides of the membrane was developed to construct a mechanically and chemically reinforced membrane electrode assembly. The dispersion properties of the MWCNTs were greatly improved through chemical modification with acid treatment, and the mixed solution of MWCNTs/CeO2 was uniformly prepared through a high-energy ball-milling process. By employing a spray-coating technique, the ultrathin MWCNTs/CeO2 layers were introduced onto the membrane surfaces without any agglomeration problem because the solvent rapidly evaporated during the layer-by-layer stacking process. These ultrathin and highly dispersed MWCNTs/CeO2 layers effectively reinforced the mechanical properties and chemical durability of the membrane while minimizing the performance drop despite their non-ion-conducting properties. The characteristics of the MWCNTs/CeO2 layers and the reinforced Nafion membrane were investigated using various in situ and ex situ measurement techniques; in addition, electrochemical measurements for fuel cells were conducted.
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Affiliation(s)
- Dongsu Kim
- School of Mechanical Engineering, Kookmin University, Seoul 02707, Korea
| | - Yeonghwan Jang
- School of Mechanical Engineering, Kookmin University, Seoul 02707, Korea
| | - Eunho Choi
- School of Mechanical Engineering, Kookmin University, Seoul 02707, Korea
| | - Ji Eon Chae
- Department of Mobility Power Research, Korea Institute of Machinery & Materials, 156 Gajeongbuk-ro, Yuseong-gu, Daejeon 34103, Korea
| | - Segeun Jang
- School of Mechanical Engineering, Kookmin University, Seoul 02707, Korea
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7
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Li T, Wang Q, Wang Z. Oxygen Vacancy Injection on (111) CeO 2 Nanocrystal Facets for Efficient H 2O 2 Detection. BIOSENSORS 2022; 12:bios12080592. [PMID: 36004988 PMCID: PMC9405991 DOI: 10.3390/bios12080592] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 07/25/2022] [Accepted: 07/30/2022] [Indexed: 05/14/2023]
Abstract
Facet and defect engineering have achieved great success in improving the catalytic performance of CeO2, but the inconsistent reports on the synergistic effect of facet and oxygen vacancy and the lack of investigation on the heavily doped oxygen vacancy keeps it an attractive subject. Inspired by this, CeO2 nanocrystals with selectively exposed crystalline facets (octahedron, cube, sphere, rod) and abundant oxygen vacancies have been synthesized to investigate the synergistic effect of facet and heavily doped oxygen vacancy. The contrasting electrochemical behavior displayed by diverse reduced CeO2 nanocrystals verifies that oxygen vacancy acts distinctly on different facets. The thermodynamically most stable CeO2 octahedron enclosed by heavily doped (111) facets surprisingly exhibited the optimum non-enzymatic H2O2 sensing performance, with a high sensitivity (128.83 µA mM-1 cm-2), a broad linear range (20 µM~13.61 mM), and a low detection limit (1.63 µM). Meanwhile, the sensor presented satisfying selectivity, repeatability, stability, as well as its feasibility in medical disinfectants. Furthermore, the synergistic effect of facet and oxygen vacancy was clarified by the inclined distribution states of oxygen vacancy and the electronic transmission property. This work enlightens prospective research on the synergistic effect of alternative crystal surface engineering strategies.
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Reddy YVM, Shin JH, Palakollu VN, Sravani B, Choi CH, Park K, Kim SK, Madhavi G, Park JP, Shetti NP. Strategies, advances, and challenges associated with the use of graphene-based nanocomposites for electrochemical biosensors. Adv Colloid Interface Sci 2022; 304:102664. [PMID: 35413509 DOI: 10.1016/j.cis.2022.102664] [Citation(s) in RCA: 58] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 03/18/2022] [Accepted: 04/04/2022] [Indexed: 12/29/2022]
Abstract
Graphene is an intriguing two-dimensional honeycomb-like carbon material with a unique basal plane structure, charge carrier mobility, thermal conductivity, wide electrochemical spectrum, and unusual physicochemical properties. Therefore, it has attracted considerable scientific interest in the field of nanoscience and bionanotechnology. The high specific surface area of graphene allows it to support high biomolecule loading for good detection sensitivity. As such, graphene, graphene oxide (GO), and reduced GO are excellent materials for the fabrication of new nanocomposites and electrochemical sensors. Graphene has been widely used as a chemical building block and/or scaffold with various materials to create highly sensitive and selective electrochemical sensing microdevices. Over the past decade, significant advancements have been made by utilizing graphene and graphene-based nanocomposites to design electrochemical sensors with enhanced analytical performance. This review focus on the synthetic strategies, as well as the structure-to-function studies of graphene, electrochemistry, novel multi nanocomposites combining graphene, limit of detection, stability, sensitivity, assay time. Finally, the review describes the challenges, strategies and outlook on the future development of graphene sensors technology that would be usable for the internet of things are also highlighted.
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9
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Nemati F, Rezaie M, Tabesh H, Eid K, Xu G, Ganjali MR, Hosseini M, Karaman C, Erk N, Show PL, Zare N, Karimi-Maleh H. Cerium functionalized graphene nano-structures and their applications; A review. ENVIRONMENTAL RESEARCH 2022; 208:112685. [PMID: 34999024 DOI: 10.1016/j.envres.2022.112685] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 12/20/2021] [Accepted: 01/03/2022] [Indexed: 06/14/2023]
Abstract
Graphene-based nanomaterials with remarkable properties, such as good biocompatibility, strong mechanical strength, and outstanding electrical conductivity, have dramatically shown excellent potential in various applications. Increasing surface area and porosity percentage, improvement of adsorption capacities, reduction of adsorption energy barrier, and also prevention of agglomeration of graphene layers are the main advantages of functionalized graphene nanocomposites. On the other hand, Cerium nanostructures with remarkable properties have received a great deal of attention in a wide range of fields; however, in some cases low conductivity limits their application in different applications. Therefore, the combination of cerium structures and graphene networks has been widely invesitaged to improve properties of the composite. In order to have a comprehensive information of these nanonetworks, this research reviews the recent developments in cerium functionalized graphene derivatives (graphene oxide (GO), reduced graphene oxide (RGO), and graphene quantum dot (GQD) and their industrial applications. The applications of functionalized graphene derivatives have also been successfully summarized. This systematic review study of graphene networks decorated with different structure of Cerium have potential to pave the way for scientific research not only in field of material science but also in fluorescent sensing, electrochemical sensing, supercapacitors, and catalyst as a new candidate.
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Affiliation(s)
- Fatemeh Nemati
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran; Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Maryam Rezaie
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Hadi Tabesh
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran
| | - Kamel Eid
- Gas Processing Center (GPC), College of Engineering, Qatar University, Doha, 2713, Qatar
| | - Guobao Xu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Science, Changchun, Jilin, 130022, China; China University of Science and Technology of China, Anhui, 230026, China
| | - Mohammad Reza Ganjali
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Morteza Hosseini
- Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran, Iran.
| | - Ceren Karaman
- Akdeniz University, Department of Electricity and Energy, Antalya, 07070, Turkey.
| | - Nevin Erk
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, 06560, Ankara, Turkey
| | - Pau-Loke Show
- Department of Biochemical Engineering, University of Nottingham Malaysia, Malaysia
| | - Najmeh Zare
- School of Resources and Environment, University of Electronic Science and Technology of China, P.O. Box 611731, Xiyuan Ave, Chengdu, PR China
| | - Hassan Karimi-Maleh
- School of Resources and Environment, University of Electronic Science and Technology of China, P.O. Box 611731, Xiyuan Ave, Chengdu, PR China.
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Leote RJ, Matei E, Apostol NG, Enculescu M, Enculescu I, Diculescu VC. Monodispersed nanoplatelets of samarium oxides for biosensing applications in biological fluids. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2021.139532] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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11
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Lei L, Zhang Y, Jiang Y, Xiong L, Liu Y, Li CM. Oxygen‐vacancy‐enhanced Catalytic Activity of Au@Co
3
O
4
/CeO
2
Yolk‐shell Nanocomposite to Electrochemically Detect Hydrogen Peroxide. ELECTROANAL 2021. [DOI: 10.1002/elan.202100249] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Lingli Lei
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education School of Materials and Energy Southwest University Chongqing 400715 P. R. China
| | - Yuanyuan Zhang
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education School of Materials and Energy Southwest University Chongqing 400715 P. R. China
| | - Ying Jiang
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education School of Materials and Energy Southwest University Chongqing 400715 P. R. China
| | - Lulu Xiong
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education School of Materials and Energy Southwest University Chongqing 400715 P. R. China
| | - Yingshuai Liu
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education School of Materials and Energy Southwest University Chongqing 400715 P. R. China
| | - Chang Ming Li
- Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University) Ministry of Education School of Materials and Energy Southwest University Chongqing 400715 P. R. China
- School of Material Science and Engineering Institute of Materials Science and Devices Suzhou University of Science and Technology Suzhou 215011 P. R. China
- Institute of Advanced Cross-field Science and College of Life Science Qingdao University Qingdao 200671 P. R. China
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12
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Wu Y, Lu L, Yu Z, Wang X. Electrochemical sensor based on the Mn 3O 4/CeO 2 nanocomposite with abundant oxygen vacancies for highly sensitive detection of hydrogen peroxide released from living cells. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:1672-1680. [PMID: 33861233 DOI: 10.1039/d1ay00085c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Based on the strategy of increasing the number of oxygen vacancies to improve the catalytic performance, we have developed a novel electrochemical sensor based on the multivalent metal oxides cerium dioxide and manganous oxide (Mn3O4/CeO2) for reliable determination of extracellular hydrogen peroxide (H2O2) released from living cells. The Mn3O4/CeO2 nanocomposite was characterized by high-resolution transmission electron microscopy, energy-dispersive X-ray spectroscopy, X-ray diffraction, and X-ray photoelectron spectroscopy. The electrochemical performance of the Mn3O4/CeO2 nanocomposite modified glassy carbon electrode (Mn3O4/CeO2/GCE) was investigated. Owing to the abundant oxygen vacancies and strong synergistic effect between the multivalent Ce and Mn, the sensor exhibited excellent catalytic activity and selectivity for the electrochemical detection of H2O2 with a low quantitation limit of 2 nM. Moreover, Mn3O4/CeO2/GCE exhibited excellent reproducibility, repeatability, and long-term storage stability. Because of these remarkable analytical advantages, the constructed sensor was able to determine H2O2 released from living cells with satisfactory results. The results showed that the Mn3O4/CeO2 sensor is a promising candidate for a nanoenzymatic H2O2 sensor with the possibility of applications in physiology and diagnosis.
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Affiliation(s)
- Yalin Wu
- Key Laboratory of Beijing on Regional Air Pollution Control, Beijing University of Technology, Beijing, 100124, China.
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Umar A, Almas T, Ibrahim AA, Kumar R, AlAssiri M, Baskoutas S, Akhtar MS. An efficient chemical sensor based on CeO2 nanoparticles for the detection of acetylacetone chemical. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114089] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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14
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Liu F, Wang X, Zhang L, Persson KM, Chen BY, Hsu Y, Chang CT. Near-visible-light-driven noble metal-free of reduced graphene oxide nanosheets over CeO2 nanowires for hydrogen production. J Taiwan Inst Chem Eng 2020. [DOI: 10.1016/j.jtice.2019.12.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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15
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Si R, Gao C, Guo R, Lin C, Li J, Guo W. Human mesenchymal stem cells encapsulated-coacervated photoluminescent nanodots layered bioactive chitosan/collagen hydrogel matrices to indorse cardiac healing after acute myocardial infarction. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2020; 206:111789. [PMID: 32240945 DOI: 10.1016/j.jphotobiol.2020.111789] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 01/08/2020] [Accepted: 01/14/2020] [Indexed: 02/07/2023]
Abstract
Acute Myocardial Infarction (MI) is one of the foremost causes of human death worldwide and it leads to mass death of cardiomyocytes, interchanges of unfavorable biological environment and affecting electrical communications by fibrosis scar formations, and specifically deficiency of blood supply to heart which leads to heart damage and heart failure. Recently, numerous appropriate strategies have been applied to base on solve these problems wound be provide prominent therapeutic potential to cardiac regeneration after acute MI. In the present study, a combined biopolymeric conductive hydrogel was fabricated with conductive ultra-small graphene quantum dots as a soft injectable hydrogel for cardiac regenerations. The resultant hydrogel was combined with human Mesenchymal stem cells (hMSCs) to improved angiogenesis in cardiovascular tissues and decreasing cardiomyocyte necrosis of hydrogel treated acute-infarcted region has been greatly associated with the development of cardiac functions in MI models. The prepared graphene quantum dots and hydrogel groups was physico-chemically analyzed and confirmed the suitability of the materials for cardiac regeneration applications. The in vitro analyzes of hydrogels with hMSCs have established that enhanced cell survival rate, increased expressions of pro-inflammatory factors, pro-angiogenic factors and early cardiogenic markers. The results of in vivo myocardial observations and electrocardiography data demonstrated a favorable outcome of ejection fraction, fibrosis area, vessel density with reduced infarction size, implying that significant development of heart regenerative function after MI. This novel strategy of injectable hydrogel with hMSCs could be appropriate for the effective treatment of cardiac therapies after acute MI.
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Affiliation(s)
- Rui Si
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, Shaanxi, People's Republic of China
| | - Chao Gao
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, Shaanxi, People's Republic of China
| | - Rui Guo
- Department of Physiology, Collage of Medicine and Life Sciences, Nanjing University of Chinese Medicine, Nanjing 210023, Jiangsu, People's Republic of China
| | - Chen Lin
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, Shaanxi, People's Republic of China
| | - Jiayi Li
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, Shaanxi, People's Republic of China
| | - Wenyi Guo
- Department of Cardiology, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, Shaanxi, People's Republic of China..
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16
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Kumar V, Sachdev A, Matai I. Self-assembled reduced graphene oxide–cerium oxide nanocomposite@cytochrome chydrogel as a solid electrochemical reactive oxygen species detection platform. NEW J CHEM 2020. [DOI: 10.1039/d0nj02038a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
A new dimension for the selective detection of short-lived ROS by an electroactive reduced graphene oxide–cerium oxide nanocomposite@cytochromechydrogel.
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Affiliation(s)
- Vijayesh Kumar
- CSIR-Central Scientific Instruments Organization (CSIR-CSIO)
- Chandigarh-160030
- India
| | - Abhay Sachdev
- CSIR-Central Scientific Instruments Organization (CSIR-CSIO)
- Chandigarh-160030
- India
- Academy of Scientific and Innovative Research (AcSIR-CSIO)
- Chandigarh
| | - Ishita Matai
- CSIR-Central Scientific Instruments Organization (CSIR-CSIO)
- Chandigarh-160030
- India
- Academy of Scientific and Innovative Research (AcSIR-CSIO)
- Chandigarh
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17
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Elucidation of ultrasonic wave-assisted electrodeposited AgPd nanoalloy from ionic liquid as an efficient bifunctional electrocatalyst for methanol oxidation and hydrogen peroxide reduction. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.134809] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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18
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Wang W, Tang H, Wu Y, Zhang Y, Li Z. Highly electrocatalytic biosensor based on Hemin@AuNPs/reduced graphene oxide/chitosan nanohybrids for non-enzymatic ultrasensitive detection of hydrogen peroxide in living cells. Biosens Bioelectron 2019; 132:217-223. [DOI: 10.1016/j.bios.2019.02.039] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2018] [Revised: 02/02/2019] [Accepted: 02/15/2019] [Indexed: 01/20/2023]
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19
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Kim NW, Lee DK, Yu H. Selective shape control of cerium oxide nanocrystals for photocatalytic and chemical sensing effect. RSC Adv 2019; 9:13829-13837. [PMID: 35519578 PMCID: PMC9064037 DOI: 10.1039/c9ra01519a] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 04/18/2019] [Indexed: 11/21/2022] Open
Abstract
In this study, we report the precise shape control of crystalline cerium oxide, whose morphology changes between nanorods and nanoparticles in a short time. The proposed synthetic route of cerium oxide nanorods was highly dependent on the reaction time, and 10 min was determined to be the optimum synthetic condition. The cerium oxide nanorods were further converted into nanoparticles by the spontaneous assembly of cerium oxide nanoparticles into nanorods. The transmission electron microscopy results showed that the synthesized nanorods grew with high crystallinity along the 〈110〉 direction. The cerium oxide nanorods have been proven to be very efficient electron mediators for use as excellent photocatalytic materials and highly sensitive chemical sensors. The chemical sensor fabricated on a carbon paper substrate showed the high sensitivity of 1.81 μA mM-1 cm-2 and the detection limit of 6.4 μM with the correlation coefficient of 0.950.
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Affiliation(s)
- Nam-Woon Kim
- Korea Research Institute of Standards and Science (KRISS) Daejeon 34113 Republic of Korea
- Korea Advanced Institute of Science and Technology (KAIST) Daejeon 34141 Republic of Korea
| | - Dong-Kyu Lee
- Chungbuk National University (CBNU) Cheongju 28644 Republic of Korea
| | - Hyunung Yu
- Korea Research Institute of Standards and Science (KRISS) Daejeon 34113 Republic of Korea
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20
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Rapid quantitative determination of hydrogen peroxide using an electrochemical sensor based on PtNi alloy/CeO2 plates embedded in N-doped carbon nanofibers. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2018.11.126] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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21
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Krishnan SK, Singh E, Singh P, Meyyappan M, Nalwa HS. A review on graphene-based nanocomposites for electrochemical and fluorescent biosensors. RSC Adv 2019; 9:8778-8881. [PMID: 35517682 PMCID: PMC9062009 DOI: 10.1039/c8ra09577a] [Citation(s) in RCA: 265] [Impact Index Per Article: 53.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Accepted: 02/15/2019] [Indexed: 12/16/2022] Open
Abstract
Biosensors with high sensitivity, selectivity and a low limit of detection, reaching nano/picomolar concentrations of biomolecules, are important to the medical sciences and healthcare industry for evaluating physiological and metabolic parameters.
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Affiliation(s)
- Siva Kumar Krishnan
- CONACYT-Instituto de Física
- Benemérita Universidad Autónoma de Puebla
- Puebla 72570
- Mexico
| | - Eric Singh
- Department of Computer Science
- Stanford University
- Stanford
- USA
| | - Pragya Singh
- Department of Electrical Engineering and Computer Science
- National Chiao Tung University
- Hsinchu 30010
- Taiwan
| | - Meyya Meyyappan
- Center for Nanotechnology
- NASA Ames Research Center
- Moffett Field
- Mountain View
- USA
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22
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Goldoni A, Alijani V, Sangaletti L, D'Arsiè L. Advanced promising routes of carbon/metal oxides hybrids in sensors: A review. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.01.170] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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23
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Ponnaiah SK, Periakaruppan P, Vellaichamy B, Nagulan B. Efficacious separation of electron-hole pairs in CeO 2-Al 2O 3 nanoparticles embedded GO heterojunction for robust visible-light driven dye degradation. J Colloid Interface Sci 2017; 512:219-230. [PMID: 29065387 DOI: 10.1016/j.jcis.2017.10.058] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2017] [Revised: 10/12/2017] [Accepted: 10/15/2017] [Indexed: 11/17/2022]
Abstract
Herein, we have developed a facile and one pot synthesis of ternary CeO2-Al2O3@GO nanocomposite via wet chemical method. The structural and morphological characteristics of the synthesized nanocomposite was investigated using UV-DRS, FT-IR, XRD, FE-SEM, HR-TEM, EDX and TGA analysis. The CeO2-Al2O3@GO composite was tested for its ability to photocatalytically degrade Rhodamine B (RhB) under visible light illumination. The influence of various operational parameters such as pH, catalyst dosage and initial dye concentration on the photo degradation was investigated in detail. The synthesized CeO2-Al2O3@GO composite shows greater photocatalytic degradation of RhB (99.0%) under visible light irradiation than the raw CeO2, Al2O3, and GO catalysts and any other reported nanocomposite materials. The recyclability results also demonstrate the excellent stability and reusability of the CeO2-Al2O3@GO nanocomposite. This work will be beneficial in the field of industrial and engineering applications in the degradation of organic pollutants. Also, a study of this kind will definitely stimulate many researches in the recently emerging field of solar-driven water splitting.
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Affiliation(s)
| | | | | | - Bhuvana Nagulan
- Department of Chemistry, Jeppiaar Institute of Technology, Chennai 631 604, Tamil Nadu, India
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24
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Gonçalves JM, Guimarães RR, Brandão BB, Saravia LP, Rossini PO, Nunes CV, Bernardes JS, Berttoti M, Angnes L, Araki K. Nanostructured Alpha-NiCe Mixed Hydroxide for Highly Sensitive Amperometric Prednisone Sensors. Electrochim Acta 2017. [DOI: 10.1016/j.electacta.2017.06.166] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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25
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Tandel RD, Naik RS, Seetharamappa J. Electrochemical Characteristics and Electrosensing of an Antiviral Drug, Entecavir via Synergic Effect of Graphene Oxide Nanoribbons and Ceria Nanorods. ELECTROANAL 2017. [DOI: 10.1002/elan.201600492] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Roopa S. Naik
- Department of Chemistry; Karnatak University; Dharwad 580 003 India
| | - J. Seetharamappa
- Department of Chemistry; Karnatak University; Dharwad 580 003 India
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26
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Wang L, Wang Q, Sheng K, Li G, Ye B. A new graphene nanocomposite modified electrode as efficient voltammetric sensor for determination of eriocitrin. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2016.11.061] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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27
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Asif SAB, Khan SB, Asiri AM. Electrochemical sensor for H2O2 using a glassy carbon electrode modified with a nanocomposite consisting of graphene oxide, cobalt(III) oxide, horseradish peroxidase and nafion. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1942-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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28
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Yang X, Ouyang Y, Wu F, Hu Y, Zhang H, Wu Z. In situ & controlled preparation of platinum nanoparticles dopping into graphene sheets@cerium oxide nanocomposites sensitized screen printed electrode for nonenzymatic electrochemical sensing of hydrogen peroxide. J Electroanal Chem (Lausanne) 2016. [DOI: 10.1016/j.jelechem.2016.08.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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29
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Yao Z, Yang X, Wu F, Wu W, Wu F. Synthesis of differently sized silver nanoparticles on a screen-printed electrode sensitized with a nanocomposites consisting of reduced graphene oxide and cerium(IV) oxide for nonenzymatic sensing of hydrogen peroxide. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1924-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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30
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Kumar MK, Prataap RKV, Mohan S, Jha SK. Preparation of electro-reduced graphene oxide supported walnut shape nickel nanostructures, and their application to selective detection of dopamine. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1806-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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31
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Ju KJ, Liu L, Feng JJ, Zhang QL, Wei J, Wang AJ. Bio-directed one-pot synthesis of Pt-Pd alloyed nanoflowers supported on reduced graphene oxide with enhanced catalytic activity for ethylene glycol oxidation. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2015.11.126] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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32
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Guo L, Zhong Q, Ding J, Lv Z, Zhao W, Deng Z. Low-temperature NOx(x = 1, 2) removal with ˙OH radicals from catalytic ozonation over a RGO–CeO2nanocomposite: the highly promotional effect of oxygen vacancies. RSC Adv 2016. [DOI: 10.1039/c6ra15250c] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
CeO2grown on a reduced graphene oxide nanocomposite (RGO–CeO2) was successfully synthesized by a facile alkaline hydrothermal method with the addition of ethylene glycol.
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Affiliation(s)
- Lina Guo
- School of Environmental and Biological Engineering
- Nanjing University of Science and Technology
- Nanjing
- PR China
- School of Civil Engineering and Architectural
| | - Qin Zhong
- School of Environmental and Biological Engineering
- Nanjing University of Science and Technology
- Nanjing
- PR China
| | - Jie Ding
- School of Environmental and Biological Engineering
- Nanjing University of Science and Technology
- Nanjing
- PR China
- Nanjing AIREP Environmental Protection Technology Co., Ltd
| | - Zijian Lv
- School of Environmental and Biological Engineering
- Nanjing University of Science and Technology
- Nanjing
- PR China
- Nanjing AIREP Environmental Protection Technology Co., Ltd
| | - Wenkai Zhao
- School of Environmental and Biological Engineering
- Nanjing University of Science and Technology
- Nanjing
- PR China
- Nanjing AIREP Environmental Protection Technology Co., Ltd
| | - Zhiyong Deng
- School of Environmental and Biological Engineering
- Nanjing University of Science and Technology
- Nanjing
- PR China
- Nanjing AIREP Environmental Protection Technology Co., Ltd
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33
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Du X, Jiang D, Chen S, Dai L, Zhou L, Hao N, You T, Mao H, Wang K. CeO 2 nanocrystallines ensemble-on-nitrogen-doped graphene nanocomposites: one-pot, rapid synthesis and excellent electrocatalytic activity for enzymatic biosensing. Biosens Bioelectron 2015; 89:681-688. [PMID: 26617189 DOI: 10.1016/j.bios.2015.11.054] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2015] [Revised: 11/10/2015] [Accepted: 11/17/2015] [Indexed: 11/25/2022]
Abstract
Ceria nanomaterials for heterogeneous catalysis have attracted much attention due to their excellent properties and have been extensively applied in recent years. But the poor electron conductivity and the aggregation behavior severely affect their electrocatalytic performances. In this paper, we prepared a novel catalyst based on CeO2 nanocrystallines (CeO2 NCs) ensemble-on-nitrogen-doped graphene (CeO2-NG) nanocomposites through a one-step heat-treatment without the need of the precursor. The results confirmed that the high dispersion of CeO2 NCs with the uniform size distribution of about 5nm on the surface of nitrogen-doped graphene (NG) sheets could be easily obtained via the one-step procedure and the resultant CeO2-NG nanocomposites were an excellent electrode material possessing outstanding electrochemical features for electron transfer. Luminol, an important electroactive substance, was further chosen to inspect the electrocatalytic properties of the as-prepared CeO2-NG nanocomposites. The studies showed that the presence of the NG in CeO2-NG nanocomposites could facilitate the electrochemical redox process of luminol. Compared with pristine CeO2 NCs, the synthesized CeO2-NG nanocomposites can enhance the electrochemiluminescence (ECL) intensity by 3.3-fold and decrease the onset ECL potential for about 72mV in the neutral condition. Employing above superiority, selecting cholesterol oxidase (ChOx) as the model oxidase, a facile ECL method for cholesterol detection with the CeO2-NG nanocomposites as the matrix to immobilize enzyme ChOx was developed. The results demonstrated CeO2-NG nanocomposites exhibited excellent performances in terms of sensitivity and catalytic activities, indicating that NG-based nanomaterials have great promise in electrocatalytic and enzymatic biosensing fields.
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Affiliation(s)
- Xiaojiao Du
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Ding Jiang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Saibo Chen
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Liming Dai
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Lei Zhou
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Nan Hao
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Tianyou You
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Hanping Mao
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Kun Wang
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
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34
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Umar A, Kumar R, Akhtar M, Kumar G, Kim S. Growth and properties of well-crystalline cerium oxide (CeO2) nanoflakes for environmental and sensor applications. J Colloid Interface Sci 2015; 454:61-8. [DOI: 10.1016/j.jcis.2015.04.055] [Citation(s) in RCA: 79] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2015] [Revised: 04/20/2015] [Accepted: 04/26/2015] [Indexed: 11/28/2022]
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35
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A Green Biosensing Matrix Based on Chitosan and Graphene nanohybrid for the Immobilization of Glucose Oxidase: Synthesis and Property evaluation. J Inorg Organomet Polym Mater 2015. [DOI: 10.1007/s10904-015-0245-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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36
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Kumar R, Jahan K, Nagarale RK, Sharma A. Electroosmotic Flow in Cell Built with Electrodes Having Two Redox Couples. Ind Eng Chem Res 2015. [DOI: 10.1021/acs.iecr.5b01568] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Rudra Kumar
- Department of Chemical Engineering, Indian Institute of Technology, Kanpur 208016, U.P., India
| | - Kousar Jahan
- Department of Chemical Engineering, Indian Institute of Technology, Kanpur 208016, U.P., India
| | - Rajaram K. Nagarale
- Department of Chemical Engineering, Indian Institute of Technology, Kanpur 208016, U.P., India
| | - Ashutosh Sharma
- Department of Chemical Engineering, Indian Institute of Technology, Kanpur 208016, U.P., India
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37
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De S, Mohanty S, Nayak SK. Nano-CeO2 decorated graphene based chitosan nanocomposites as enzymatic biosensing platform: fabrication and cellular biocompatibility assessment. Bioprocess Biosyst Eng 2015; 38:1671-83. [DOI: 10.1007/s00449-015-1408-5] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Accepted: 04/22/2015] [Indexed: 10/23/2022]
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38
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Solvothermal synthesis of Pt -SiO2/graphene nanocomposites as efficient electrocatalyst for methanol oxidation. Electrochim Acta 2015. [DOI: 10.1016/j.electacta.2015.02.100] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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39
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Shen Y, Fang Q, Chen B. Environmental applications of three-dimensional graphene-based macrostructures: adsorption, transformation, and detection. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2015; 49:67-84. [PMID: 25510293 DOI: 10.1021/es504421y] [Citation(s) in RCA: 250] [Impact Index Per Article: 27.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Just as graphene triggered a new gold rush, three-dimensional graphene-based macrostructures (3D GBM) have been recognized as one of the most promising strategies for bottom-up nanotechnology and become one of the most active research fields during the last four years. In general, the basic structural features of 3D GBM, including its large surface area, which enhances the opportunity to contact pollutants, and its well-defined porous structure, which facilitates the diffusion of pollutant molecules into the 3D structure, enable 3D GBM to be an ideal material for pollutant management due to its excellent capabilities and easy recyclability. This review aims to describe the environmental applications and mechanisms of 3D GBM and provide perspective. Thus, the excellent performance of 3D GBM in environmental pollutant adsorption, transformation and detection are reviewed. Based on the structures and properties of 3D GBM, the removal mechanisms for dyes, oils, organic solvents, heavy metals, and gas pollutants are highlighted. We attempt to establish "structure-property-application" relationships for environmental pollution management using 3D GBM. Approaches involving tunable synthesis and decoration to regulate the micro-, meso-, and macro-structure and the active sites are also reviewed. The high selectivity, fast rate, convenient management, device applications and recycling utilization of 3D GBM are also emphasized.
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Affiliation(s)
- Yi Shen
- Department of Environmental Science, Zhejiang University , Hangzhou 310058, China
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40
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Sabari Arul N, Mangalaraj D, Han JI, Cavalcante LS. Structure and electrochemical detection of xenobiotic micro-pollutant hydroquinone using CeO2 nanocrystals. RSC Adv 2015. [DOI: 10.1039/c5ra09790h] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
CeO2 nanocrystals prepared by precipitation method holds as a promising candidate for the electrochemical detection of toxic hydroquinone.
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Affiliation(s)
- N. Sabari Arul
- Department of Chemical and Biochemical Engineering
- Dongguk University
- Seoul
- South Korea
| | - D. Mangalaraj
- Department of Nanoscience and Technology
- Bharathiar University
- Coimbatore
- India
| | - Jeong In Han
- Department of Chemical and Biochemical Engineering
- Dongguk University
- Seoul
- South Korea
| | - L. S. Cavalcante
- CCN-PPGQ-DQ-GERATEC
- Universidade Estadual do Piauí
- CEP: 64002-150 Teresina
- Brazil
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41
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Wang D, Pang L, Mou H, Zhou Y, Song C. Facile synthesis of CeO2decorated Ni(OH)2hierarchical composites for enhanced electrocatalytic sensing of H2O2. RSC Adv 2015. [DOI: 10.1039/c4ra17119e] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
CeO2–Ni(OH)2composites with hierarchical structures were synthesizedviaa facile one-pot hydrothermal method, which were constructed with Ni(OH)2nanosheets decorated within situformed CeO2nanoparticles on their surface.
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Affiliation(s)
- Debao Wang
- State Key Lab Base of Eco-chemical Engineering
- Lab of Inorganic Synthetic and Applied Chemistry
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Limei Pang
- College of Materials Science and Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Hongyu Mou
- College of Materials Science and Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Yanhong Zhou
- State Key Lab Base of Eco-chemical Engineering
- Lab of Inorganic Synthetic and Applied Chemistry
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
| | - Caixia Song
- College of Materials Science and Engineering
- Qingdao University of Science and Technology
- Qingdao 266042
- P. R. China
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