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Zhang K, Schötz S, Reichstein J, Groppe P, Stockinger N, Wintzheimer S, Mandel K, Libuda J, Retzer T. Supraparticles for naked-eye H 2 indication and monitoring: Improving performance by variation of the catalyst nanoparticles. J Chem Phys 2023; 158:134722. [PMID: 37031150 DOI: 10.1063/5.0135130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2023] Open
Abstract
The recent transition to H2-based energy storage demands reliable H2 sensors that allow for easy, fast, and reliable detection of leaks. Conventional H2 detectors are based on the changes of physical properties of H2 probes induced by subsurface H-atoms to a material such as electrical conductivity. Herein, we report on highly reactive gasochromic H2 detectors based on the adsorption of H2 on the material surface. We prepared supraparticles (SPs) containing different types of noble metal nanoparticles (NPs), silica NPs, and the dye resazurin by spray-drying and tested their performance for H2 detection. The material undergoes a distinct color change due to the hydrogenation of the purple resazurin to pink resorufin and, finally, colorless hydroresorufin. The stepwise transition is fast and visible to the naked eye. To further improve the performance of the sensor, we tested the reactivity of SPs with different catalytically active NPs by means of in situ diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS). We show that the choice of the NP catalyst has a pronounced effect on the response of the H2 indicator. In addition, we demonstrate that the performance depends on the size of the NPs. These effects are attributed to the availability of reactive H-atoms on the NP surface. Among the materials studied, Pt-containing SPs gave the best results for H2 detection.
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Affiliation(s)
- Kailun Zhang
- Interface Research and Catalysis, ECRC, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 3, 91058 Erlangen, Germany
| | - Simon Schötz
- Interface Research and Catalysis, ECRC, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 3, 91058 Erlangen, Germany
| | - Jakob Reichstein
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
| | - Philipp Groppe
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
| | - Nina Stockinger
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
| | - Susanne Wintzheimer
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
| | - Karl Mandel
- Inorganic Chemistry, Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 1, 91058 Erlangen, Germany
| | - Jörg Libuda
- Interface Research and Catalysis, ECRC, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 3, 91058 Erlangen, Germany
| | - Tanja Retzer
- Interface Research and Catalysis, ECRC, Friedrich-Alexander-Universität Erlangen-Nürnberg, Egerlandstraße 3, 91058 Erlangen, Germany
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2
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Abdul Hakkeem HM, Babu A, Shilpa N, Venugopal AA, Mohamed AP, Kurungot S, Pillai S. Tailored synthesis of ultra-stable Au@Pd nanoflowers with enhanced catalytic properties using cellulose nanocrystals. Carbohydr Polym 2022; 292:119723. [PMID: 35725192 DOI: 10.1016/j.carbpol.2022.119723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 06/04/2022] [Accepted: 06/07/2022] [Indexed: 11/02/2022]
Abstract
A green strategy for the synthesis of bimetallic core-shell Au@Pd nanoflowers (NFs) employing banana pseudo-stem-derived TEMPO-oxidized cellulose nanocrystals (TCNC) as both capping and shape-directing agent via seed-mediated method is presented. Flower-like nanostructures of Au@Pd bound to TEMPO-oxidized cellulose nanocrystals (TCNC-Au@Pd) were decorated on amino-functionalized graphene (NH2-RGO) without losing their unique structure, allowing them to be deployed as an efficient, reusable and a green alternative heterogeneous catalyst. The decisive role of TCNC in the structural metamorphosis of nanoparticle morphology were inferred from the structural and morphology analyses. According to our study, the presence of -OH rich TCNC appears to play a pivotal role in the structured evolution of intricate nanostructure morphology. The feasibility of the bio-supported catalyst has been investigated in two concurrently prevalent model catalytic reactions, namely the oxygen reduction reaction (ORR) and the reduction of 4-nitrophenol, the best model reactions in fuel cell and industrial catalytic applications, respectively.
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Affiliation(s)
- Hasna M Abdul Hakkeem
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695 019, Kerala, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Aswathy Babu
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695 019, Kerala, India
| | - Nagaraju Shilpa
- Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
| | - Adithya A Venugopal
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695 019, Kerala, India
| | - A P Mohamed
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695 019, Kerala, India
| | - Sreekumar Kurungot
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India; Physical and Materials Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune 411008, India
| | - Saju Pillai
- Materials Science and Technology Division, CSIR-National Institute for Interdisciplinary Science and Technology (CSIR-NIIST), Thiruvananthapuram 695 019, Kerala, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India.
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3
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Wang J, Yin C, Han W, Ma Y, Yin Y, Zhao P, Song Y, Zhang J. One-pot synthesis of Au-based nanocrystals via a platinum group metal anion controlled growth strategy in citrate medium. NEW J CHEM 2022. [DOI: 10.1039/d1nj05397c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Finding a facile manufacturing method of Au-based low PGM content nanocrystals by exploring the reaction process of a series of PGM anions with the in situ Au NW templates.
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Affiliation(s)
- Jin Wang
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
- Heze Branch, Qilu University of Technology (Shandong Academy of Sciences), Biological Engineering Technology Innovation Center of Shandong Province, Heze, 274000, P. R. China
| | - Chong Yin
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
- Heze Branch, Qilu University of Technology (Shandong Academy of Sciences), Biological Engineering Technology Innovation Center of Shandong Province, Heze, 274000, P. R. China
| | - Wenjia Han
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
| | - Yaohong Ma
- Shandong Provincial Key Laboratory of Biosensors, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), No. 28789, Jingshi East Road, Licheng District, Jinan, Shandong, 250103, China
| | - Yanchao Yin
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
- Heze Branch, Qilu University of Technology (Shandong Academy of Sciences), Biological Engineering Technology Innovation Center of Shandong Province, Heze, 274000, P. R. China
| | - Peiyu Zhao
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
- Heze Branch, Qilu University of Technology (Shandong Academy of Sciences), Biological Engineering Technology Innovation Center of Shandong Province, Heze, 274000, P. R. China
| | - Yahui Song
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
| | - Jihui Zhang
- State Key Laboratory of Biobased Material and Green Papermaking, Qilu University of Technology, Shandong Academy of Sciences, Jinan 250353, China
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4
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Smith ME, Stastny AL, Lynch JA, Yu Z, Zhang P, Heineman WR. Indicator Dyes and Catalytic Nanoparticles for Irreversible Visual Hydrogen Sensing. Anal Chem 2020; 92:10651-10658. [DOI: 10.1021/acs.analchem.0c01769] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Michael E. Smith
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221-0172, United States
| | - Angela L. Stastny
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221-0172, United States
| | - John A. Lynch
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221-0172, United States
| | - Zhao Yu
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221-0172, United States
| | - Peng Zhang
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221-0172, United States
| | - William R. Heineman
- Department of Chemistry, University of Cincinnati, Cincinnati, Ohio 45221-0172, United States
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5
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Das SK, Chandra Sahu S, Ghosh A, Kumar Jena B. The Hybrids of Core‐Shell Chain‐like Nanostructure of Au@Porous Pd with Graphene for Energy Conversion Application. ChemistrySelect 2020. [DOI: 10.1002/slct.201904968] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Sushanta K. Das
- Materials Chemistry Department CSIR-Institute of Minerals and Materials Technology Bhubaneswar 751013 India
- Academy of Scientific & Innovative Research (AcSIR) Ghaziabad 201002 India
| | - Subash Chandra Sahu
- Department of Chemistry Govt. Women's College, Sambalpur Odisha 768001 India
| | - Arnab Ghosh
- Department of Physics Indian Institute of Technology Kharagpur Kharagpur 721302 India
| | - Bikash Kumar Jena
- Materials Chemistry Department CSIR-Institute of Minerals and Materials Technology Bhubaneswar 751013 India
- Academy of Scientific & Innovative Research (AcSIR) Ghaziabad 201002 India
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6
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Ma T, Liang F, Chen R, Liu S, Zhang H. Synthesis of Au-Pd Bimetallic Nanoflowers for Catalytic Reduction of 4-Nitrophenol. NANOMATERIALS (BASEL, SWITZERLAND) 2017; 7:E239. [PMID: 28846598 PMCID: PMC5618350 DOI: 10.3390/nano7090239] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2017] [Revised: 08/06/2017] [Accepted: 08/22/2017] [Indexed: 11/29/2022]
Abstract
Due to the great potential to improve catalytic performance, gold (Au) and palladium (Pd) bimetallic catalysts have prompted structure-controlled synthesis of Au-Pd nanoalloys bounded by high-index facets. In this work, we prepared Au-Pd bimetallic nanoflowers (NFs) with a uniform size, well-defined dendritic morphology, and homogeneous alloy structure in an aqueous solution by seed-mediated synthesis. The prepared bimetallic NFs were fully characterized using a combination of transmission electron microscopy, Ultraviolet-Visible (UV-vis) spectroscopy, inductively coupled plasma optical emission spectroscopy, and cyclic voltammetry measurements. The catalytic activities of the prepared Au-Pd nanoparticles for 4-nitrophenol reduction were also investigated, and the activities are in the order of Au@Pd NFs > Au-Pd NFs (Au₁Pd₁ core) > Au-Pd NFs (Au core), which could be related to the content and exposed different reactive surfaces of Pd in alloys. This result clearly demonstrates that the superior activities of Au-Pd alloy nanodendrites could be attributed to the synergy between Au and Pd in catalysts.
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Affiliation(s)
- Tao Ma
- The State Key Laboratory of Refractories and Metallurgy, School of Chemistry & Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China.
| | - Feng Liang
- The State Key Laboratory of Refractories and Metallurgy, School of Chemistry & Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China.
| | - Rongsheng Chen
- The State Key Laboratory of Refractories and Metallurgy, School of Chemistry & Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China.
| | - Simin Liu
- The State Key Laboratory of Refractories and Metallurgy, School of Chemistry & Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China.
| | - Haijun Zhang
- The State Key Laboratory of Refractories and Metallurgy, School of Chemistry & Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, China.
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7
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Lin XX, Zhang XF, Wang AJ, Fang KM, Yuan J, Feng JJ. Simple one-pot aqueous synthesis of AuPd alloy nanocrystals/reduced graphene oxide as highly efficient and stable electrocatalyst for oxygen reduction and hydrogen evolution reactions. J Colloid Interface Sci 2017; 499:128-137. [DOI: 10.1016/j.jcis.2017.03.087] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 03/20/2017] [Accepted: 03/21/2017] [Indexed: 10/19/2022]
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8
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Sharma M, Sharma M, Hazarika A, Satyanarayana L, Karunakar GV, Bania KK. C Cl bond activation with Pd(II)-NiO nanoparticles supported on zeolite-Y: The role of charge transfer transition. MOLECULAR CATALYSIS 2017. [DOI: 10.1016/j.mcat.2017.02.023] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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9
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Li H, Yue F, Yang C, Xue P, Li N, Zhang Y, Wang J. Structural evolution of a metal–organic framework and derived hybrids composed of metallic cobalt and copper encapsulated in nitrogen-doped porous carbon cubes with high catalytic performance. CrystEngComm 2017. [DOI: 10.1039/c6ce01995a] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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10
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Wang ZJ, Wang X, Lv JJ, Feng JJ, Xu X, Wang AJ, Liang Z. Bimetallic Au–Pd nanochain networks: facile synthesis and promising application in biaryl synthesis. NEW J CHEM 2017. [DOI: 10.1039/c7nj00998d] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A facile approach was developed for the synthesis of Au–Pd NNCs that show excellent catalytic performance for the Ullmann coupling reaction.
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Affiliation(s)
- Zheng-Jun Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410000
- China
| | - Xia Wang
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410000
- China
| | - Jing-Jing Lv
- College of Geography and Environmental Science
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Jiu-Ju Feng
- College of Geography and Environmental Science
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Xinhua Xu
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410000
- China
| | - Ai-Jun Wang
- College of Geography and Environmental Science
- College of Chemistry and Life Science
- Zhejiang Normal University
- Jinhua 321004
- China
| | - Zhiwu Liang
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha 410000
- China
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11
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Liu Y, Bai X. Preparation of Pd Nanoparticles Supported on Activated Carbon via Glow Discharge Plasma and Their Catalytic Properties for Suzuki Coupling Reactions. CHEM LETT 2016. [DOI: 10.1246/cl.160219] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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12
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Rai RK, Tyagi D, Gupta K, Singh SK. Activated nanostructured bimetallic catalysts for C–C coupling reactions: recent progress. Catal Sci Technol 2016. [DOI: 10.1039/c5cy02225h] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This minireview highlights the recent progress made in the last decade towards the development of activated bimetallic alloy nanoparticle catalysts for C–C coupling reactions, including asymmetric C–C bond coupling reactions.
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Affiliation(s)
- Rohit Kumar Rai
- Discipline of Chemistry
- Indian Institute of Technology (IIT) Indore
- Indore
- 452 020 India
| | - Deepika Tyagi
- Discipline of Chemistry
- Indian Institute of Technology (IIT) Indore
- Indore
- 452 020 India
| | - Kavita Gupta
- Discipline of Chemistry
- Indian Institute of Technology (IIT) Indore
- Indore
- 452 020 India
| | - Sanjay Kumar Singh
- Discipline of Chemistry
- Indian Institute of Technology (IIT) Indore
- Indore
- 452 020 India
- Centre for Material Science and Engineering
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13
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Ataee-Esfahani H, Skrabalak SE. Attachment-based growth: building architecturally defined metal nanocolloids particle by particle. RSC Adv 2015. [DOI: 10.1039/c5ra07156a] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
This review highlights the principles and recent mechanistic insight into the synthesis of metal nanostructures using nanoparticles as primary building blocks.
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Affiliation(s)
| | - Sara E. Skrabalak
- Department of Chemistry
- Indiana University – Bloomington
- Bloomington
- USA
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14
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Ghadimi H, Nasiri-Tabrizi B, Nia PM, Basirun WJ, Tehrani RMA, Lorestani F. Nanocomposites of nitrogen-doped graphene decorated with a palladium silver bimetallic alloy for use as a biosensor for methotrexate detection. RSC Adv 2015. [DOI: 10.1039/c5ra18109g] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Pd1Ag1/NG–GCE is a promising platform for the highly sensitive electrochemical detection of MTX.
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Affiliation(s)
- Hanieh Ghadimi
- Department of Chemistry
- Faculty of Science
- University of Malaya
- 50603 Kuala Lumpur
- Malaysia
| | - Bahman Nasiri-Tabrizi
- Advanced Materials Research Center
- Materials Engineering Department, Najafabad Branch
- Islamic Azad University
- Najafabad
- Iran
| | - Pooria Moozarm Nia
- Department of Chemistry
- Faculty of Science
- University of Malaya
- 50603 Kuala Lumpur
- Malaysia
| | - Wan Jefrey Basirun
- Department of Chemistry
- Faculty of Science
- University of Malaya
- 50603 Kuala Lumpur
- Malaysia
| | - Ramin M. A. Tehrani
- Department of Chemistry
- Yadegar-e-Imam Khomeini (RAH) Shahre Rey Branch
- Islamic Azad University
- Tehran
- Iran
| | - Farnaz Lorestani
- Department of Chemistry
- Faculty of Science
- University of Malaya
- 50603 Kuala Lumpur
- Malaysia
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15
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Wang Y, Li Y, Hu L, Ren X, Du B, Ma H, Wei Q. Application of three-dimensional flower-like nanomaterials in the fabrication of sandwich-type electrochemical immunosensors. RSC Adv 2015. [DOI: 10.1039/c5ra16376e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
A novel and ultrasensitive sandwich-type electrochemical immunosensor was developed for the quantitative detection of carcinoembryonic antigen (CEA) in this work.
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Affiliation(s)
- Yulan Wang
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Yan Li
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Lihua Hu
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Xiang Ren
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Bin Du
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Hongmin Ma
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
| | - Qin Wei
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong
- School of Chemistry and Chemical Engineering
- University of Jinan
- Jinan 250022
- P. R. China
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16
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Lv JJ, Li SS, Wang AJ, Mei LP, Chen JR, Feng JJ. Monodisperse Au-Pd bimetallic alloyed nanoparticles supported on reduced graphene oxide with enhanced electrocatalytic activity towards oxygen reduction reaction. Electrochim Acta 2014. [DOI: 10.1016/j.electacta.2014.05.138] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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17
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Saleh NB, Afrooz ARMN, Bisesi JH, Aich N, Plazas-Tuttle J, Sabo-Attwood T. Emergent Properties and Toxicological Considerations for Nanohybrid Materials in Aquatic Systems. NANOMATERIALS (BASEL, SWITZERLAND) 2014; 4:372-407. [PMID: 28344229 PMCID: PMC5304671 DOI: 10.3390/nano4020372] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Revised: 05/21/2014] [Accepted: 05/21/2014] [Indexed: 12/21/2022]
Abstract
Conjugation of multiple nanomaterials has become the focus of recent materials development. This new material class is commonly known as nanohybrids or "horizon nanomaterials". Conjugation of metal/metal oxides with carbonaceous nanomaterials and overcoating or doping of one metal with another have been pursued to enhance material performance and/or incorporate multifunctionality into nano-enabled devices and processes. Nanohybrids are already at use in commercialized energy, electronics and medical products, which warrant immediate attention for their safety evaluation. These conjugated ensembles likely present a new set of physicochemical properties that are unique to their individual component attributes, hence increasing uncertainty in their risk evaluation. Established toxicological testing strategies and enumerated underlying mechanisms will thus need to be re-evaluated for the assessment of these horizon materials. This review will present a critical discussion on the altered physicochemical properties of nanohybrids and analyze the validity of existing nanotoxicology data against these unique properties. The article will also propose strategies to evaluate the conjugate materials' safety to help undertake future toxicological research on the nanohybrid material class.
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Affiliation(s)
- Navid B. Saleh
- Department of Civil, Architectural and Environmental Engineering, University of Texas at Austin, Austin, TX 78712, USA; E-Mails: (N.B.S); (A.R.M.N.A.); (N.A.); (J.P.-T.)
| | - A. R. M. Nabiul Afrooz
- Department of Civil, Architectural and Environmental Engineering, University of Texas at Austin, Austin, TX 78712, USA; E-Mails: (N.B.S); (A.R.M.N.A.); (N.A.); (J.P.-T.)
| | - Joseph H. Bisesi
- Department of Environmental and Global Health, Center for Human and Environmental Toxicology, University of Florida, Gainesville, FL 32611, USA; E-Mail:
| | - Nirupam Aich
- Department of Civil, Architectural and Environmental Engineering, University of Texas at Austin, Austin, TX 78712, USA; E-Mails: (N.B.S); (A.R.M.N.A.); (N.A.); (J.P.-T.)
| | - Jaime Plazas-Tuttle
- Department of Civil, Architectural and Environmental Engineering, University of Texas at Austin, Austin, TX 78712, USA; E-Mails: (N.B.S); (A.R.M.N.A.); (N.A.); (J.P.-T.)
| | - Tara Sabo-Attwood
- Department of Environmental and Global Health, Center for Human and Environmental Toxicology, University of Florida, Gainesville, FL 32611, USA; E-Mail:
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18
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Wang Y, Tan D. Sonochemical synthesis of three-dimensional aggregates of pd nanoparticles with high electrocatalytic activity towards ethanol oxidation. Chem Res Chin Univ 2014. [DOI: 10.1007/s40242-014-3362-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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19
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Fu H, Yang X, Jiang X, Yu A. Bimetallic Ag-Au nanowires: synthesis, growth mechanism, and catalytic properties. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2013; 29:7134-7142. [PMID: 23679079 DOI: 10.1021/la400753q] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Silver-gold (Ag-Au) bimetallic nanowires were controllably synthesized by a newly developed wet-chemical method at room temperature. The Ag nanowires and Au nanoparticles were sequentially formed by reduction with vanadium oxide (V2O3) nanoparticles so as to form Ag-Au bimetal, in which the Ag nanowires show a diameter of ~20 nm and length up to 10 μm. A few unique features were noted in our new approach: it was rapid (within a few minutes), controllable in shape and size, reproducible, and there was no need for any surface modifiers. The formation and growth mechanisms of these Ag-Au bimetallic nanostructures driven by lattice match and a unique reducing agent (V2O3) have been proposed in this study. Moreover, the application of such bimetallic nanoparticles for catalytic reduction of 4-nitrophenol to 4-aminophenol was performed, and they exhibit catalytic properties superior to those of the Ag nanowires, Au nanoparticles, and Ag-Pd bimetallic nanostructures prepared under the reported conditions. These Ag-Au bimetallic nanoparticles have potential to be highly efficient catalysts for the reduction of 4-nitrophenol. This study may lead to new path for the generation of other bimetallic nanostructures with excellent catalytic efficiency.
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Affiliation(s)
- Haitao Fu
- School of Materials Science and Engineering, The University of New South Wales, Sydney, NSW 2052, Australia
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Li Z, Li R, Mu T, Luan Y. Ionic Liquid Assisted Synthesis of Au-Pd Bimetallic Particles with Enhanced Electrocatalytic Activity. Chemistry 2013; 19:6005-13. [DOI: 10.1002/chem.201300028] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Indexed: 11/11/2022]
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