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Wang S, Zhu S, Kang Z, Wang X, Deng Z, Hu K, Hu J, Liu X, Wang G, Zang G, Zhang Y. Particle Size-Controlled Oxygen Reduction and Evolution Reaction Nanocatalysts Regulate Ru(bpy) 32+'s Dual-potential Electrochemiluminescence for Sandwich Immunoassay. RESEARCH (WASHINGTON, D.C.) 2023; 6:0117. [PMID: 37287888 PMCID: PMC10243198 DOI: 10.34133/research.0117] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 03/19/2023] [Indexed: 06/09/2023]
Abstract
Multiple signal strategies remarkably improve the accuracy and efficiency of electrochemiluminescence (ECL) immunoassays, but the lack of potential-resolved luminophore pairs and chemical cross talk hinders their development. In this study, we synthesized a series of gold nanoparticles (AuNPs)/reduced graphene oxide (Au/rGO) composites as adjustable oxygen reduction reaction and oxygen evolution reaction catalysts to promote and modulate tris(2,2'-bipyridine) ruthenium(II) (Ru(bpy)32+)'s multisignal luminescence. With the increase in the diameter of AuNPs (3 to 30 nm), their ability to promote Ru(bpy)32+'s anodic ECL was first impaired and then strengthened, and cathodic ECL was first enhanced and then weakened. Au/rGOs with medium-small and medium-large AuNP diameters remarkably increased Ru(bpy)32+'s cathodic and anodic luminescence, respectively. Notably, the stimulation effects of Au/rGOs were superior to those of most existing Ru(bpy)32+ co-reactants. Moreover, we proposed a novel ratiometric immunosensor construction strategy using Ru(bpy)32+'s luminescence promoter rather than luminophores as tags of antibodies to achieve signal resolution. This method avoids signal cross talk between luminophores and their respective co-reactants, which achieved a good linear range of 10-7 to 10-1 ng/ml and a limit of detection of 0.33 fg/ml for detecting carcinoembryonic antigen. This study addresses the previous scarcity of the macromolecular co-reactants of Ru(bpy)32+, broadening its application in biomaterial detection. Furthermore, the systematic clarification of the detailed mechanisms for converting the potential-resolved luminescence of Ru(bpy)32+ could facilitate an in-depth understanding of the ECL process and should inspire new designs of Ru(bpy)32+ luminescence enhancers or applications of Au/rGOs to other luminophores. This work removes some impediments to the development of multisignal ECL biodetection systems and provides vitality into their widespread applications.
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Affiliation(s)
- Shijun Wang
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
| | - Shu Zhu
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
| | - Ziqi Kang
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
| | - Xiangxiu Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants,
Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Zixin Deng
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
| | - Kun Hu
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
| | - Jianjun Hu
- Department of Pathology,
Guizhou Provincial People’s Hospital, Guiyang, Guizhou 550002, China
| | - Xiancheng Liu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants,
Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Guixue Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants,
Bioengineering College of Chongqing University, Chongqing 400030, China
- Jinfeng Laboratory, Chongqing 401329, China
| | - Guangchao Zang
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
- Jinfeng Laboratory, Chongqing 401329, China
- Department of Pathophysiology,
Chongqing Medical University, Chongqing 400016, China
| | - Yuchan Zhang
- Institute of Life Science and Laboratory of Tissue and Cell Biology, Lab Teaching & Management Center,
Chongqing Medical University, Chongqing 400016, China
- Jinfeng Laboratory, Chongqing 401329, China
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2
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Laser-synthesized graphite carbon encased gold nanoparticles with specific reaction channels for efficient oxygen reduction. J Colloid Interface Sci 2019; 563:74-80. [PMID: 31865050 DOI: 10.1016/j.jcis.2019.11.113] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 11/25/2019] [Accepted: 11/28/2019] [Indexed: 11/22/2022]
Abstract
Developing novel electrocatalysts with desirable activity and stability is always full of challenge in electrochemical energy conversion. Here, specific carbon shell encapsulated Au (Au@C) nanoparticles are prepared by a laser ablation in liquids method and used as the oxygen reduction reaction (ORR) electrocatalysts. Such Au@C nanoparticles exhibit excellent catalytic activity toward ORR with an onset potential of 0.98 V and a half-wave potential of 0.87 V, better than that of commercial Pt/C. More importantly, the Au@C catalyst exhibits unrivalled stability for 3000 CV cycles for ORR in 0.1 M KOH, dramatically superior to Pt/C and pure Au catalysts. The density functional theory (DFT) calculations and SCN- ions to poison metal-based active sites are conducted to Au@C catalyst, and the results indicate that the structural defects of carbon shells supply an access for the reactants to contact the core Au nanoparticles, causing the catalytic reaction, meanwhile the carbon shells prevent the degeneration of core Au nanoparticles in the harsh electrolytes enhancing the durability of Au effectively.
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Hu S, Liu X, Wang C, Camargo PHC, Wang J. Tuning Thermal Catalytic Enhancement in Doped MnO 2-Au Nano-Heterojunctions. ACS APPLIED MATERIALS & INTERFACES 2019; 11:17444-17451. [PMID: 31013046 DOI: 10.1021/acsami.9b03879] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Sodium (Na)- and potassium (K)-doped δ-MnO2, which presented different band gaps, were synthesized by a hydrothermal method. Then, uniform Au nanoparticles (NPs) were deposited on MnO2 to form metal-semiconductor nano-heterojunctions (MnO2-Au). By comparing their temperature-dependent thermal catalytic performances, p-aminothiophenol to p, p'-dimercaptoazobenzene conversion was used as proof-of-concept transformations. MnO2-Au hybrid materials demonstrated better thermal catalytic performances relative to individual Au NPs. Meanwhile, K-doped MnO2-Au, with a MnO2 support displaying a narrower bandgap, displayed superior catalytic activities relative to Na-doped MnO2-Au. To get the same catalytic performance by individual Au NPs, it can be ∼50 K less by Na-doped MnO2-Au and ∼100 K less by K-doped MnO2-Au. The enhancement is mainly attributed to the thermally excited electrons in MnO2, which were transferred to Au NPs. The additional electrons in Au NPs increase the electron density and thus contribute to the improvement of thermal catalysis. Our findings show that the establishment of a nano-heterojunction formed by metal NPs on a semiconductor support has a significant impact on thermal catalysis, where a narrower band gap can facilitate thermally excited carriers and thus bring about better catalytic performances. Thus, the results presented here shed light on the design of a nano-heterojunction catalyst to approach reactions with superior performance under moderate conditions.
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Affiliation(s)
| | | | | | - Pedro H C Camargo
- Department of Chemistry , University of Helsinki , A.I. Virtasen aukio 1 , FI-00014 Helsinki , Finland
- Departamento de Química Fundamental, Instituto de Química , Universidade de São Paulo , Av. Prof. Lineu Prestes, 748 , 05508-000 São Paulo-SP , Brazil
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4
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Zhou M, Wang D, Mirkin MV. Catalytic Amplification of Au
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Nanocluster Collisions by Hydrogen Evolution Reaction. ChemElectroChem 2018. [DOI: 10.1002/celc.201800703] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Min Zhou
- Department of Chemistry and Biochemistry Queens College-CUNY Flushing NY11367 USA
- Department of Chemistry The University of Texas at Austin Austin TX 78712 USA
| | - Dengchao Wang
- Department of Chemistry and Biochemistry Queens College-CUNY Flushing NY11367 USA
| | - Michael V. Mirkin
- Department of Chemistry and Biochemistry Queens College-CUNY Flushing NY11367 USA
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5
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Celebanska A, Opallo M. Layer-by-Layer Gold-Ceramic Nanoparticulate Electrodes for Electrocatalysis. ChemElectroChem 2016. [DOI: 10.1002/celc.201600288] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Anna Celebanska
- Institute of Physical Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
| | - Marcin Opallo
- Institute of Physical Chemistry; Polish Academy of Sciences; Kasprzaka 44/52 01-224 Warsaw Poland
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Wang J, Trindade FJ, de Aquino CB, Pieretti JC, Domingues SH, Ando RA, Camargo PHC. Probing the Catalytic Activity of Reduced Graphene Oxide Decorated with Au Nanoparticles Triggered by Visible Light. Chemistry 2015; 21:9889-94. [PMID: 26014031 DOI: 10.1002/chem.201500677] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Indexed: 11/09/2022]
Abstract
Hybrid materials in which reduced graphene oxide (rGO) is decorated with Au nanoparticles (rGO-Au NPs) were obtained by the in situ reduction of GO and AuCl4(-)(aq) by ascorbic acid. On laser excitation, rGO could be oxidized as a result of the surface plasmon resonance (SPR) excitation in the Au NPs, which generates activated O2 through the transfer of SPR-excited hot electrons to O2 molecules adsorbed from air. The SPR-mediated catalytic oxidation of p-aminothiophenol (PATP) to p,p'-dimercaptoazobenzene (DMAB) was then employed as a model reaction to probe the effect of rGO as a support for Au NPs on their SPR-mediated catalytic activities. The increased conversion of PATP to DMAB relative to individual Au NPs indicated that charge-transfer processes from rGO to Au took place and contributed to improved SPR-mediated activity. Since the transfer of electrons from Au to adsorbed O2 molecules is the crucial step for PATP oxidation, in addition to the SPR-excited hot electrons of Au NPs, the transfer of electrons from rGO to Au contributed to increasing the electron density of Au above the Fermi level and thus the Au-to-O2 charge-transfer process.
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Affiliation(s)
- Jiale Wang
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Lineu Prestes, 748, 05508-000 São Paulo, SP (Brazil)
| | - Fabiane J Trindade
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Lineu Prestes, 748, 05508-000 São Paulo, SP (Brazil)
| | - Caroline B de Aquino
- MackGraphe-Graphene and Nanomaterials Research Center, Mackenzie Presbyterian University, Rua da Consolação, 896, 01302-907 São Paulo, SP (Brazil)
| | - Joana C Pieretti
- MackGraphe-Graphene and Nanomaterials Research Center, Mackenzie Presbyterian University, Rua da Consolação, 896, 01302-907 São Paulo, SP (Brazil)
| | - Sergio H Domingues
- MackGraphe-Graphene and Nanomaterials Research Center, Mackenzie Presbyterian University, Rua da Consolação, 896, 01302-907 São Paulo, SP (Brazil)
| | - Romulo A Ando
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Lineu Prestes, 748, 05508-000 São Paulo, SP (Brazil)
| | - Pedro H C Camargo
- Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Lineu Prestes, 748, 05508-000 São Paulo, SP (Brazil).
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Yu Y, Gao Y, Hu K, Blanchard PY, Noël JM, Nareshkumar T, Phani KL, Friedman G, Gogotsi Y, Mirkin MV. Electrochemistry and Electrocatalysis at Single Gold Nanoparticles Attached to Carbon Nanoelectrodes. ChemElectroChem 2014. [DOI: 10.1002/celc.201402312] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Wu Z, Li Y, Liu J, Lu Z, Zhang H, Yang B. Colloidal Self-Assembly of Catalytic Copper Nanoclusters into Ultrathin Ribbons. Angew Chem Int Ed Engl 2014; 53:12196-200. [DOI: 10.1002/anie.201407390] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2014] [Revised: 08/19/2014] [Indexed: 01/23/2023]
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9
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Wu Z, Li Y, Liu J, Lu Z, Zhang H, Yang B. Colloidal Self-Assembly of Catalytic Copper Nanoclusters into Ultrathin Ribbons. Angew Chem Int Ed Engl 2014. [DOI: 10.1002/ange.201407390] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Han X, Cheng F, Zhang T, Yang J, Hu Y, Chen J. Hydrogenated uniform Pt clusters supported on porous CaMnO(3) as a bifunctional electrocatalyst for enhanced oxygen reduction and evolution. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2014; 26:2047-51. [PMID: 24818256 DOI: 10.1002/adma.201304867] [Citation(s) in RCA: 119] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Hydrogenated uniform Pt clusters supported on porous CaMnO3 nanocomposites are synthesized and investigated as a new electrocatalytic material for oxygen reduction and evolution reactions. Due to the synergistic effect of Pt and CaMnO3, the nanocomposites exhibit superior activity and durability to the benchmark Pt/C catalyst.
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Affiliation(s)
- Xiaopeng Han
- Key Laboratory of Advanced Energy Materials, Chemistry (Ministry of Education), College of Chemistry, Nankai University, No. 94 Weijin Road, Tianjin 300071, China
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Oliver-Meseguer J, Leyva-Pérez A, Corma A. Very Small (3-6 Atoms) Gold Cluster Catalyzed Carbon-Carbon and Carbon-Heteroatom Bond-Forming Reactions in Solution. ChemCatChem 2013. [DOI: 10.1002/cctc.201300695] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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12
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Shin JY, Kim YS, Lee Y, Shim JH, Lee C, Lee SG. Impact of Anions on Electrocatalytic Activity in Palladium Nanoparticles Supported on Ionic Liquid-Carbon Nanotube Hybrids for the Oxygen Reduction Reaction. Chem Asian J 2011; 6:2016-21. [DOI: 10.1002/asia.201100094] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2011] [Indexed: 11/09/2022]
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