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Ghaedamini H, Kim DS. A non-enzymatic hydrogen peroxide biosensor based on cerium metal-organic frameworks, hemin, and graphene oxide composite. Bioelectrochemistry 2024; 161:108823. [PMID: 39332214 DOI: 10.1016/j.bioelechem.2024.108823] [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: 07/31/2024] [Revised: 09/11/2024] [Accepted: 09/18/2024] [Indexed: 09/29/2024]
Abstract
This study presents the development of a novel non-enzymatic electrochemical biosensor for the real-time detection of hydrogen peroxide (H2O2) based on a composite of cerium metal-organic frameworks (Ce-MOFs), hemin, and graphene oxide (GO). The Ce-MOFs served as an efficient matrix for hemin encapsulation, while GO enhanced the conductivity of the composite. Characterization techniques including scanning electron microscopy (SEM), X-ray diffraction (XRD), Fourier-transform infrared (FTIR) spectroscopy, UV-vis spectroscopy, and thermogravimetric analysis (TGA) confirmed the successful integration of hemin into the Ce-MOFs. The Ce-MOFs@hemin/GO-modified sensor demonstrated sensitive H2O2 detection due to the exceptional electrocatalytic activity of Ce-MOFs@hemin and the high conductivity of GO. This biosensor exhibited a linear response to H2O2 concentrations from 0.05 to 10 mM with a limit of detection (LOD) of 9.3 μM. The capability of the biosensor to detect H2O2 released from human prostate carcinoma cells was demonstrated, highlighting its potential for real-time monitoring of cellular oxidative stress in complex biological environments. To further assess its practical applicability, the sensor was tested in human serum samples, yielding promising results with recovery values ranging from 94.50 % to 103.29 %. In addition, the sensor showed excellent selectivity against common interfering compounds due to the outstanding peroxidase-like activity of the composite.
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Affiliation(s)
| | - Dong-Shik Kim
- Department of Chemical Engineering, University of Toledo, Toledo, OH 43606, USA.
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2
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Zhang Y, Li N, Liu B, Zhang H. Hydrogen Peroxide and Dopamine Sensors Based on Electrodeposition of Reduced Graphene Oxide/Silver Nanoparticles. SENSORS (BASEL, SWITZERLAND) 2024; 24:355. [PMID: 38257448 PMCID: PMC10818837 DOI: 10.3390/s24020355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/24/2023] [Accepted: 01/05/2024] [Indexed: 01/24/2024]
Abstract
In this work, silver nanoparticles (AgNPs)/reduced graphene oxide (rGO) nanocomposites were electrodeposited on glassy carbon electrodes (GCE) to construct electrochemical sensors for the detection of hydrogen peroxide (H2O2) and dopamine (DA). The AgNPs were synthesized on graphene oxide (GO) by the hydrothermal method, followed by the reduction of the GO during the electrodeposition process, resulting in the formation of the nanocomposites on the surface of the electrodes. The generation of AgNPs on the graphene sheets was verified by scanning electron microscopy (SEM) and electrochemical impedance spectroscopy (EIS). The AgNPs/rGO/GCE showed a linear response to H2O2 in the range of 5 μM to 620 μM, with a sensitivity of 49 μA mM-1cm-2 and a limit of detection (LOD) of 3.19 μA. The linear response of the AgNPs/rGO/GCE to DA ranged from 1 μM to 276 μM, the sensitivity was 7.86 μA mM-1cm-2, and the LOD was 0.18 μM. Furthermore, DA and H2O2 were detected simultaneously in the same solution without interferences, and the sensors displayed good stability over time. The preparation method for the sensors is relatively eco-friendly, convenient, and efficient, exhibiting great potential for sensitive detection of DA and H2O2.
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Affiliation(s)
- Yuhang Zhang
- School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian 116024, China; (Y.Z.); (N.L.); (B.L.)
| | - Na Li
- School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian 116024, China; (Y.Z.); (N.L.); (B.L.)
- Liaoning Key Lab of Integrated Circuit and Biomedical Electronic System, Dalian University of Technology, Dalian 116024, China
| | - Bo Liu
- School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian 116024, China; (Y.Z.); (N.L.); (B.L.)
- Liaoning Key Lab of Integrated Circuit and Biomedical Electronic System, Dalian University of Technology, Dalian 116024, China
| | - Hangyu Zhang
- School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian 116024, China; (Y.Z.); (N.L.); (B.L.)
- Liaoning Key Lab of Integrated Circuit and Biomedical Electronic System, Dalian University of Technology, Dalian 116024, China
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3
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Zhang Y, Li Y, Yin P, Han W. Synthesis by adding CTAB and characterization of Ag@CuO@rGO nanocomposite with a novel core-shell crystal sugar structure and its application in supercapacitors. RSC Adv 2023; 13:19803-19812. [PMID: 37404319 PMCID: PMC10315995 DOI: 10.1039/d3ra03025c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Accepted: 06/07/2023] [Indexed: 07/06/2023] Open
Abstract
In this study, we successfully synthesized Ag@CuO@rGO (rGO wrapped around Ag/CuO) nanocomposites using AgNO3, Cu(NO)32, and NaOH as raw materials and particularly treated CTAB as a template by chemical precipitation, hydrothermal synthesis, and subsequent high-temperature calcination processes. In addition, transmission electron microscopy (TEM) images revealed that the prepared products appeared to have a mixed structure. The results indicated that the best choice was CuO wrapped around Ag nanoparticles to form a core-shell crystal structure, and the crystal particles were arranged similarly to form an icing sugar block structure and were tightly wrapped by rGO. Moreover, the electrochemical test results demonstrated that Ag@CuO@rGO composite electrode material exhibited high pseudocapacitance performance; the material had a high specific capacity of 1453 F g-1 at a current density of 2.5 mA cm-2, and the charging and discharging cycles remained constant up to 2000 times, indicating that the introduction of Ag improved the cycling stability and reversibility of the CuO@rGO electrode material and increased its specific capacitance, leading to the increase in the specific capacitance of supercapacitors. Therefore, the above results strongly support the application of Ag@CuO@rGO in optotronic devices.
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Affiliation(s)
- Yuxin Zhang
- School of Materials Science and Engineering, North China University of Water Resources and Electric Power Zhengzhou 450045 China
| | - Yong Li
- School of Materials Science and Engineering, North China University of Water Resources and Electric Power Zhengzhou 450045 China
| | - Pengchong Yin
- School of Materials Science and Engineering, North China University of Water Resources and Electric Power Zhengzhou 450045 China
| | - Weizhong Han
- School of Materials Science and Engineering, North China University of Water Resources and Electric Power Zhengzhou 450045 China
- School of Materials Science and Engineering, Xi'an Jiaotong University Xi'an 710049 China
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4
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Electrochemistry at Krakowian research institutions. J Solid State Electrochem 2023. [DOI: 10.1007/s10008-023-05391-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
AbstractThe electrochemistry research team activity from Poland is marked by significant increase in the last 20 years. The joining of European Community in 2004 gives an impulse for the development of Polish science. The development of electrochemistry has been stimulated by cooperation with industry and the establishment of technology transfer centers, technology parks, business incubators, etc. and the mostly by simplified international collaborations. Five research institutions from Krakow reports work in the field of electrochemistry. The achievements of all teams are briefly described.
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Detection of hydrogen peroxide with low-dimensional silver nanoparticle-decorated PPy-C/TiO2 nanocomposites by electrochemical approach. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.117030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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6
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Yin H, Zhang C, Bai X, Yang Z, Liu Z. Tuning Electrochemical Properties of Silver Nanomaterials by Doping with Boron: Application for Highly Non‐enzymatic Sensing of Hydrogen Peroxide. ChemistrySelect 2022. [DOI: 10.1002/slct.202201310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Hang Yin
- School of Chemistry and Chemical Engineering Qufu Normal University Ji Ning Shi, Qufu 273165 PR China
| | - Chongchao Zhang
- School of Chemistry and Chemical Engineering Qufu Normal University Ji Ning Shi, Qufu 273165 PR China
| | - Xiao Bai
- School of Chemistry and Chemical Engineering Qufu Normal University Ji Ning Shi, Qufu 273165 PR China
| | - Ziyin Yang
- School of Chemistry and Chemical Engineering Qufu Normal University Ji Ning Shi, Qufu 273165 PR China
| | - Zhe Liu
- School of Chemistry and Chemical Engineering Qufu Normal University Ji Ning Shi, Qufu 273165 PR China
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Qiu M, Zhu B, An D, Bi Z, Shan W, Li Y, Nie G, Xie N, Al-Hartomy OA, Al-Ghamdi A, Wageh S, Bao X, Gao X, Zhang H. Two‐dimensional Nitrogen‐doped Ti3C2 Promoted Catalysis Performance of Silver Nanozyme for Ultrasensitive Detection of Hydrogen Peroxide. ChemElectroChem 2022. [DOI: 10.1002/celc.202200050] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Meng Qiu
- Ocean University of China School of Chemical Engineering Songling Road 238 266100 Qingdao CHINA
| | - Beibei Zhu
- Qingdao University college of life sciences CHINA
| | - Dong An
- Shenzhen University shenzhen Engineering Laboratory CHINA
| | - Zhaoshun Bi
- Forigin research center Fairylands Environment Sci-Tech CHINA
| | - Wei Shan
- Ocean University of China - Laoshan Campus: Ocean University of China College of Chemistry and Chemical Engineering CHINA
| | - Yonghai Li
- Qingdao Institute of BioEnergy and Bioprocess Technology Chinese Academy of Sciences CAS Key Laboratory of Bio-based Materials CHINA
| | - Guohui Nie
- Shenzhen University shenzhen Engineering Laboratory of phosphorene and Optoelectronics CHINA
| | - Ni Xie
- Shenzhen University Shenzhen Engineering Laboratory CHINA
| | | | | | - Swelm Wageh
- King Abdulaziz University PHYSICS SAUDI ARABIA
| | - Xichang Bao
- Qingdao Institute of BioEnergy and Bioprocess Technology Chinese Academy of Sciences Bio-based Materials CHINA
| | - Xiang Gao
- Qingdao University life of Sciences CHINA
| | - Han Zhang
- Shenzhen University shenzhen Engineering Laboratory CHINA
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Salman F, Celi̇k Kazici H, Gülcan M. Comparative of MIL101(Cr) and nano‐MIL101(Cr) electrode as an electrochemical hydrogen peroxide sensor. ELECTROANAL 2022. [DOI: 10.1002/elan.202200005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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9
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Achraf Ben Njima M, Legrand L. Ag nanoparticles-oxidized green rust nanohybrids for novel and efficient non-enzymatic H2O2 electrochemical sensor. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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10
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Zhang G, Zeng H, Liu J, Nagashima K, Takahashi T, Hosomi T, Tanaka W, Yanagida T. Nanowire-based sensor electronics for chemical and biological applications. Analyst 2021; 146:6684-6725. [PMID: 34667998 DOI: 10.1039/d1an01096d] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Detection and recognition of chemical and biological species via sensor electronics are important not only for various sensing applications but also for fundamental scientific understanding. In the past two decades, sensor devices using one-dimensional (1D) nanowires have emerged as promising and powerful platforms for electrical detection of chemical species and biologically relevant molecules due to their superior sensing performance, long-term stability, and ultra-low power consumption. This paper presents a comprehensive overview of the recent progress and achievements in 1D nanowire synthesis, working principles of nanowire-based sensors, and the applications of nanowire-based sensor electronics in chemical and biological analytes detection and recognition. In addition, some critical issues that hinder the practical applications of 1D nanowire-based sensor electronics, including device reproducibility and selectivity, stability, and power consumption, will be highlighted. Finally, challenges, perspectives, and opportunities for developing advanced and innovative nanowire-based sensor electronics in chemical and biological applications are featured.
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Affiliation(s)
- Guozhu Zhang
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan.
| | - Hao Zeng
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan.
| | - Jiangyang Liu
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan.
| | - Kazuki Nagashima
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. .,JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Tsunaki Takahashi
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. .,JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Takuro Hosomi
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. .,JST-PRESTO, 4-1-8 Honcho, Kawaguchi, Saitama 332-0012, Japan
| | - Wataru Tanaka
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan.
| | - Takeshi Yanagida
- Department of Applied Chemistry, Graduate School of Engineering, The University of Tokyo, 7-3-1, Hongo, Bunkyo-ku, Tokyo, 113-8654, Japan. .,Institute for Materials Chemistry and Engineering, Kyushu University, 6-1 Kasuga-Koen, Kasuga, Fukuoka, 816-8580, Japan
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11
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Puchowicz D, Nejman A, Kamińska I, Cieślak M. Effect of Reactive Dyeing on Fabrics Modification with Silver Nanowires (AgNWs). ACS OMEGA 2021; 6:26077-26085. [PMID: 34660968 PMCID: PMC8515373 DOI: 10.1021/acsomega.1c03004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 09/14/2021] [Indexed: 05/05/2023]
Abstract
This paper presents the characterization of cotton and wool fabrics modified by silver nanowires (AgNWs). The effect of reactive dyeing of wool and cotton fabrics on their modification with AgNWs was analyzed. Both fabrics were dyed using reactive dyes (yellow, red, blue) at four color intensities (0.5, 1, 2, and 5%). Dyed fabrics were characterized by the determined Kubelka-Munk's coefficient (K/S) ratio and vibrational spectra (Fourier transform infrared (FTIR) and Raman). Analysis of the amount of AgNWs applied on cotton and wool fabrics indicates that the presence of dye affects the surface modification with AgNWs depending on the type of fibers. While for cotton no significant differences were noted in relation to the color intensity, in the case of wool, the higher the dye contents, the more nanowires were deposited on the surface. Surface-enhanced Raman spectroscopy (SERS) effect accompanying AgNW modification was also observed on wool, similar to the previous study on cotton.
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12
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A Disposable Electrochemical Biosensor Based on Screen-Printed Carbon Electrodes Modified with Silver Nanowires/HPMC/Chitosan/Urease for the Detection of Mercury (II) in Water. BIOSENSORS-BASEL 2021; 11:bios11100351. [PMID: 34677307 PMCID: PMC8534075 DOI: 10.3390/bios11100351] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 09/15/2021] [Accepted: 09/16/2021] [Indexed: 12/15/2022]
Abstract
This work describes the facile preparation of a disposable electrochemical biosensor for the detection of Hg(II) in water by modifying the surface of a screen-printed carbon electrode (SPCE). The surface modification consists of the immobilization of a composite layer of silver nanowires, hydroxymethyl propyl cellulose, chitosan, and urease (AgNWs/HPMC/CS/Urease). The presence of the composite was confirmed by scanning electron microscopy (SEM) and its excellent conductivity, due chiefly to the electrical properties of silver nanowires, enhanced the sensitivity of the biosensor. Under optimum conditions, the modified SPCE biosensor showed excellent performance for the detection of Hg(II) ions, with an incubation time of 10 min and a linear sensitivity range of 5–25 µM. The limit of detection (LOD) and limit of quantitation (LOQ) were observed to be 3.94 µM and 6.50 µM, respectively. In addition, the disposable and portable biosensor exhibited excellent recoveries for the detection of Hg(II) ions in commercial drinking water samples (101.62–105.26%). The results are correlated with those obtained from inductively coupled plasma optical emission spectrometry (ICP-OES), indicating that our developed sensor is a reliable method for detection of Hg(II) in real water samples. The developed sensor device is a simple, effective, portable, low cost, and user-friendly platform for real-time detection of heavy metal ions in field measurements with potential for other biomedical applications in the future.
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Koylan S, Tunca S, Polat G, Durukan MB, Kim D, Kalay YE, Ko SH, Unalan HE. Highly stable silver-platinum core-shell nanowires for H 2O 2 detection. NANOSCALE 2021; 13:13129-13141. [PMID: 34477796 DOI: 10.1039/d1nr01976g] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Silver nanowire (Ag NW) networks have great potential to replace commercial transparent conducting oxides due to their superior properties in conjunction with their competitive cost, availability and mechanical flexibility. However, there are still challenges to overcome for the large scale utilization of Ag NWs in devices due to oxidation/sulfidation of NWs, which leads to performance loss. Here, we develop a solution-based strategy to deposit a thin platinum (Pt) shell layer (15 nm) onto Ag NWs to improve their chemical, environmental and electrochemical stabilities. Environmental and thermal stabilities of the core-shell NW networks were monitored under different relative humidity conditions (RH of 43, 75 and 85%) and temperature settings (75 °C for 120 hours and 150 °C for 40 hours) and compared to those of bare Ag NWs. Afterwards, stability of core-shell NW networks in hydrogen peroxide was investigated and compared to that of bare Ag NW networks. The potential window for electrochemical stability of the Ag NW networks was broadened to 0-1 V (vs. Ag/AgCl) upon Pt deposition, while bare Ag NWs were stable only in the 0-0.6 V range. Moreover, Ag-Pt core-shell NWs were used for the detection of hydrogen peroxide, where a high sensitivity of 0.04 μA μM-1 over a wide linear range of concentrations (16.6-990.1 μM) with a low detection limit (10.95 μM) was obtained for the fabricated sensors. All in all, this highly effective and simple strategy to improve the stability of Ag NWs will certainly open new avenues for their large-scale utilization in various electrochemical and sensing devices.
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Affiliation(s)
- Serkan Koylan
- Department of Metallurgical and Materials Engineering, Middle East Technical University (METU), 06800, Ankara, Turkey.
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Hussain M, Nisar A, Qian L, Karim S, Khan M, Liu Y, Sun H, Ahmad M. Ni and Co synergy in bimetallic nanowires for the electrochemical detection of hydrogen peroxide. NANOTECHNOLOGY 2021; 32:205501. [PMID: 33567411 DOI: 10.1088/1361-6528/abe4fb] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The development of a highly sensitive and selective non-enzymatic electrode catalyst for the detection of a target molecule was remained a great challenge. In this regard, bimetallic nanowires (BMNWs) are considered as promising electrode material for their fascinating physical/chemical properties superior to a single system. In this article, nickel cobalt (Ni x -Co) BMNWs with tunable stoichiometry were prepared by a template assisted electrodeposition method and their catalytic performance was investigated for the detection of hydrogen peroxide (H2O2). It has been found that Ni-Co (0.5:1) BMNWs/PC electrode exhibits superior non-enzymatic sensing ability toward H2O2 detection with a high selectivity. The electrode shows fast response within ∼3 s and an excellent reproducible sensitivity of 2211.4 μAmM-1 cm-2, which is the best compared to the individual Ni, Co, Ni-Co (0.3:1) BMNWs and previously reported electrodes. In addition, the electrode shows a linear response in the wide concentration range from 0.005 mM to 9 mM, low detection limit of 0.5 μM (S/N = 3.2) and a relatively long-term storage (50 d). Moreover, the sensor reveals excellent results for H2O2 detection in the real samples. The enhanced sensitivity of the Ni-Co (0.5:1) BMNWs based electrode may be due to the stable structure and synergy of Ni and Co. The results demonstrate that the catalytic activity of the electrode binary catalyst towards H2O2 detection can be improved by adjusting the Ni/Co ratio in BMNWs. The excellent performance of the electrode suggests that Ni-Co BMNWs are promising candidate for the construction of cost-effective electrochemical sensors for medical and industrial applications.
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Affiliation(s)
- Muhammad Hussain
- Nanomaterials Research Group, Physics Division, PINSTECH, Islamabad 44000, Pakistan
- Centre for High Energy Physics, University of the Punjab, Lahore 54590, Pakistan
| | - Amjad Nisar
- Nanomaterials Research Group, Physics Division, PINSTECH, Islamabad 44000, Pakistan
| | - Lizhi Qian
- School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, People's Republic of China
| | - Shafqat Karim
- Nanomaterials Research Group, Physics Division, PINSTECH, Islamabad 44000, Pakistan
| | - Maaz Khan
- Nanomaterials Research Group, Physics Division, PINSTECH, Islamabad 44000, Pakistan
| | - Yanguo Liu
- School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, People's Republic of China
| | - Hongyu Sun
- School of Resources and Materials, Northeastern University at Qinhuangdao, Qinhuangdao, 066004, People's Republic of China
| | - Mashkoor Ahmad
- Nanomaterials Research Group, Physics Division, PINSTECH, Islamabad 44000, Pakistan
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15
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Electrocatalytic Properties of Co Nanoconical Structured Electrodes Produced by a One-Step or Two-Step Method. Catalysts 2021. [DOI: 10.3390/catal11050544] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
One-dimensional (1D) nanostructures, such as nanotubes, nanopores, nanodots and nanocones, are characterized by better catalytic properties than bulk material due to their large active surface area and small geometrical size. These structures can be produced by several methods of synthesis including the one- and two-step methods. In the one-step method, a crystal modifier is added to the solution in order to limit the horizontal direction of structures growing during electrodeposition. In this work, NH4Cl was used as a crystal modifier. Another way of production of 1D nanocones is the electrodeposition of metal in porous anodic alumina oxide (AAO) templates, called the two-step method. In this case, the AAO template was obtained using a two-step anodization process. Nanocones obtained by the two-step method show smaller geometrical size. In this work, cobalt nanoconical structures were obtained from an electrolyte containing CoCl2 and H3BO3. The electrocatalytic properties of materials fabricated by one-step and two-step methods were measured in 1 M NaOH and compared with bulk material electrodeposited from the same electrolyte. There were several microshell structures in the case of Co deposits obtained by the one-step method. To solve this problem, different conditions of synthesis Co cones by the one-step method were applied. The electrocatalytic activity of these samples was checked as well.
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Synthesis of Co-Fe 1D Nanocone Array Electrodes Using Aluminum Oxide Template. MATERIALS 2021; 14:ma14071717. [PMID: 33807375 PMCID: PMC8036432 DOI: 10.3390/ma14071717] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 03/28/2021] [Accepted: 03/29/2021] [Indexed: 11/17/2022]
Abstract
Porous anodic alumina oxide (AAO) obtained via two-step anodization is a material commonly used as a template for fabricating 1D nanostructures. In this work, copper and cobalt-iron 1D nanocones were obtained by an electrodeposition method using AAO templates. The templates were produced using two-step anodization in H2C2O4. The Co–Fe nanostructures are characterized by homogeneous pore distribution. The electrocatalytic activity of the produced nanomaterials was determined in 1 M NaOH using the linear sweep voltammetry (LSV) and chronopotentiometry (CP) methods. These materials can be used as catalysts in the water-splitting reaction. The sample’s active surface area was calculated and compared with bulk materials.
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A Novel Nonenzymatic Hydrogen Peroxide Sensor Based on Magnetic Core-Shell Fe 3O 4@C/Au Nanoparticle Nanocomposite. Int J Anal Chem 2021; 2021:8839895. [PMID: 33747085 PMCID: PMC7960058 DOI: 10.1155/2021/8839895] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 01/25/2021] [Accepted: 02/22/2021] [Indexed: 12/03/2022] Open
Abstract
Fe3O4@C/Au nanoparticle (AuNP) nanocomposites were prepared through electrostatic adsorption of AuNPs onto PDDA-functionalized core/shell Fe3O4@C magnetic nanospheres, which had been synthesized by a facile solvothermal method. The morphology and composition of the nanocomposites were characterized by transmission electron microscopy (TEM), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR), etc. Moreover, highly electrocatalytic activity to the reduction of hydrogen peroxide (H2O2) was also exhibited on the Fe3O4@C/AuNP-modified indium tin oxide (ITO) electrode. The effect of solution pH and the modification amount of Fe3O4@C/AuNPs on the performance of electrocatalytic H2O2 reduction was investigated. Under the optimal conditions, the catalytic current showed a linear relationship with the increase of H2O2 concentration in the range of 0.007–15 mM and a detection limit of 5 μM. The H2O2 sensor showed high selectivity for H2O2 detection, which could effectively resist the interference of ascorbic acid (AA), uric acid (UA), and citric acid (CA). Finally, the H2O2 sensor was used in the real fetal bovine serum to detect H2O2 and obtained satisfactory results with the recovery values ranging from 95.14 to 103.6%.
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18
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Chang C, Chen Q, Fan G. Synergetic enhancement of electrochemical H 2O 2 detection in a nitrogen-doped carbon encapsulated FeCo alloy architecture. Analyst 2021; 146:971-978. [PMID: 33285556 DOI: 10.1039/d0an01806f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The development of Earth-abundant metal-based non-enzymatic electrodes with ultralow metal loadings for the efficient detection of hydrogen peroxide (H2O2) is highly desirable. We report here a remarkable three-dimensional nitrogen-doped porous carbon (NPC) encapsulated Earth-abundant metal architecture, i.e., NPC encapsulating FeCo alloy nanoparticles toward highly efficient electrochemical H2O2 detection. Specifically, an Fe0.06Co0.04@NPC-950 modified electrode can show excellent electrochemical performance for non-enzymatic H2O2 sensing in neutral media, with a wide linear range of 0.004 to 8 mM, a high sensitivity of 794 μA mA-1 cm-2 and a low limit of detection (LOD) of 0.13 μM, outperforming most of the reported non-noble metal electrocatalysts. Meanwhile, the fabricated Fe0.06Co0.04@NPC-950 modified electrode is capable of real-time monitoring of H2O2 in commercial orange juice, milk and serum, revealing its application potential toward the accurate detection of H2O2 in real-sample analysis. This electrode also has high selectivity, long-term stability and good reproducibility. Its excellent performance is correlated with the synergetic catalysis of the FeCo alloy, nitrogen-rich NPC with a large specific surface area (SSA) and the core-shell structure protecting the active sites from corrosion. This study offers an efficient pathway for developing high-performance and Earth-abundant catalysts toward electrochemical H2O2 detection.
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Affiliation(s)
- Chunlin Chang
- College of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, China.
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Zhang Q, Li W, Zhao F, Xu C, Fan G, Liu Q, Zhang X, Zhang X. Electrochemical sandwich-type thrombin aptasensor based on silver nanowires& particles decorated electrode and the signal amplifier of Pt loaded hollow zinc ferrite. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125804] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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20
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Effect of stabilizer concentration on the size of silver nanoparticles synthesized through chemical route. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2020.108319] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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Khadhraoui H, Othmani A, Kouki A, Zouaoui M. A Highly Sensitive and Selective Non‐enzymatic Hydrogen Peroxide Sensor Based on Nanostructured Co
3
O
4
Thin Films Using the Sol‐gel Method. ELECTROANAL 2021. [DOI: 10.1002/elan.202060052] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Hanen Khadhraoui
- Université de Carthage Faculté des Sciences de Bizerte, LR01 ES15, Laboratoire de Physique des Matériaux: Structure et Propriétés 7021 Zarzouna, Bizerte Tunisia
| | - Abdelhak Othmani
- Université de Carthage Faculté des Sciences de Bizerte, LR01 ES15, Laboratoire de Physique des Matériaux: Structure et Propriétés 7021 Zarzouna, Bizerte Tunisia
| | - Abdessalem Kouki
- Université de Carthage Faculté des Sciences de Bizerte, LR01 ES15, Laboratoire de Physique des Matériaux: Structure et Propriétés 7021 Zarzouna, Bizerte Tunisia
| | - Mouldi Zouaoui
- Université de Carthage Faculté des Sciences de Bizerte, LR01 ES15, Laboratoire de Physique des Matériaux: Structure et Propriétés 7021 Zarzouna, Bizerte Tunisia
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22
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Wang Q, Zhang H, Shen X, Wang F, Mao C. A Flexible DNA Biosensor for Breast Cancer Marker BRCA1 Detection. ChemistrySelect 2020. [DOI: 10.1002/slct.202003933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Qi Wang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science Nanjing Normal University Nanjing 210023 China
- School of Geography Nanjing Normal University Nanjing 210023 China
| | - Huanyu Zhang
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science Nanjing Normal University Nanjing 210023 China
| | - Xiaohui Shen
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science Nanjing Normal University Nanjing 210023 China
| | - Fenghe Wang
- Jiangsu Province Key Laboratory of Environmental Engineering, School of Environment Nanjing Normal University Nanjing 210023 China
| | - Chun Mao
- National and Local Joint Engineering Research Center of Biomedical Functional Materials, School of Chemistry and Materials Science Nanjing Normal University Nanjing 210023 China
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Shin JH, Lee MJ, Choi JH, Song JA, Kim TH, Oh BK. Electrochemical H 2O 2 biosensor based on horseradish peroxidase encapsulated protein nanoparticles with reduced graphene oxide-modified gold electrode. NANO CONVERGENCE 2020; 7:39. [PMID: 33330946 PMCID: PMC7744559 DOI: 10.1186/s40580-020-00249-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 12/06/2020] [Indexed: 05/28/2023]
Abstract
In this study, an electrochemical biosensor composed of a horseradish peroxidase (HRP)-encapsulated protein nanoparticles (HEPNP) was fabricated for the sensitive and selective detection of H2O2. The HEPNP has a three-dimensional structure that can contain a large amount of HRP; therefore, HEPNP can amplify the electrochemical signals necessary for the detection of H2O2. Furthermore, reduced graphene oxide (rGO) was used to increase the efficiency of electron transfer from the HEPNP to an electrode, which could enhance the electrochemical signal. This biosensor showed a sensitive electrochemical performance for detection of H2O2 with signals in the range from 0.01-100 μM, and it could detect low concentrations up to 0.01 μM. Furthermore, this biosensor was operated against interferences from glucose, ascorbic acid, and uric acid. In addition, this fabricated H2O2 biosensor showed selective detection performance in human blood serum. Therefore, the proposed biosensor could promote the sensitive and selective detection of H2O2 in clinical applications.
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Affiliation(s)
- Jeong-Hyeop Shin
- Department of Chemical & Biomolecular Engineering, Sogang University, Mapo-Gu, Seoul, 04107, South Korea
| | - Myeong-Jun Lee
- Department of Chemical & Biomolecular Engineering, Sogang University, Mapo-Gu, Seoul, 04107, South Korea
| | - Jin-Ha Choi
- Department of Chemical & Biomolecular Engineering, Sogang University, Mapo-Gu, Seoul, 04107, South Korea
| | - Ji-Ae Song
- Department of Chemical & Biomolecular Engineering, Sogang University, Mapo-Gu, Seoul, 04107, South Korea
| | - Tae-Hwan Kim
- Department of Chemical & Biomolecular Engineering, Sogang University, Mapo-Gu, Seoul, 04107, South Korea
| | - Byung-Keun Oh
- Department of Chemical & Biomolecular Engineering, Sogang University, Mapo-Gu, Seoul, 04107, South Korea.
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Chen C, Ran B, Wang Z, Zhao H, Lan M, Chen H, Zhu Y. Development of micropillar array electrodes for highly sensitive detection of biomarkers. RSC Adv 2020; 10:41110-41119. [PMID: 35519230 PMCID: PMC9057762 DOI: 10.1039/d0ra07694e] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 10/23/2020] [Indexed: 12/25/2022] Open
Abstract
Micropillar array electrodes (μAEs) have been widely applied in electrochemical detection owing to their advantages of increased mass transport, lower detection limit, and potential to be miniaturized. This paper reports the fabrication, simulation, surface modification, and characterization of PDMS-based μAEs coated with gold films. The μAEs consist of 9 × 10 micropillars with a height of either 100 μm, 300 μm, or 500 μm in a 0.09 cm2 region. Numerical simulation was employed to study the influence of geometrical parameters on the current density. The μAEs were fabricated by soft lithography and characterized using both SEM and cyclic voltammetry. Experiments revealed that high pillars enabled enhanced voltammetric current density regardless of the scan rates. The platinum-palladium/multi-walled carbon nanotubes (Pt-Pd/MWCNTs) were coated on the μAEs to improve their electrochemical detection capability. The μAEs demonstrated 1.5 times larger sensitivity compared with the planar electrode when hydrogen peroxide was detected. Furthermore, μAE500 with Pt-Pd/MWCNTs was employed to detect sarcosine, a potential biomarker for prostate cancer. The linear range and limit of detection for sarcosine were from 5 to 60 μM and 1.28 μM, respectively. This detection range covers the concentration of sarcosine in human tissues (0-60 μM). These results suggest that the μAEs have better detection performance in comparison to planar electrodes due to their large surface area and pillar height. This paper provides essential guidelines for the application of μAEs in high sensitivity electrochemical detection of low abundance analytes.
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Affiliation(s)
- Chaozhan Chen
- School of Science, Harbin Institute of Technology, Shenzhen Shenzhen 518055 China
| | - Bin Ran
- School of Science, Harbin Institute of Technology, Shenzhen Shenzhen 518055 China
| | - Zhenxing Wang
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 PR China
| | - Hongli Zhao
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 PR China
| | - Minbo Lan
- Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering, East China University of Science and Technology Shanghai 200237 PR China
| | - Huaying Chen
- School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen Shenzhen 518055 China
| | - Yonggang Zhu
- School of Mechanical Engineering and Automation, Harbin Institute of Technology, Shenzhen Shenzhen 518055 China
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Stanković V, Đurđić S, Ognjanović M, Mutić J, Kalcher K, Stanković DM. A novel nonenzymatic hydrogen peroxide amperometric sensor based on AgNp@GNR nanocomposites modified screen-printed carbon electrode. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114487] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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26
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Shape-controlled electrodeposition of silver using chitosan as structure-directing agent on disposable pencil graphite electrodes: low-cost electrocatalysts for the detection of hydrogen peroxide and hydrazine hydrate. J Solid State Electrochem 2020. [DOI: 10.1007/s10008-020-04579-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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27
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Sun D, Yang D, Wei P, Liu B, Chen Z, Zhang L, Lu J. One-Step Electrodeposition of Silver Nanostructures on 2D/3D Metal-Organic Framework ZIF-67: Comparison and Application in Electrochemical Detection of Hydrogen Peroxide. ACS APPLIED MATERIALS & INTERFACES 2020; 12:41960-41968. [PMID: 32805814 DOI: 10.1021/acsami.0c11269] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Metal-organic frameworks (MOFs) have been widely used as supporting materials to load or encapsulate metal nanoparticles for electrochemical sensing. Herein, the influences of morphology on the electrocatalytic activity of Co-containing zeolite imidazolate framework-67 (ZIF-67) as supporting materials were studied. Three types of morphologies of MOF ZIF-67 were facilely synthesized by changing the solvent because of the influence of the polar solvent on the nucleation and preferential crystal growth. Two-dimensional (2D) ZIF-67 with microplate morphology and 2D ultrathin ZIF-67 nanosheets were obtained from pure H2O (H-ZIF-67) and a mixed solution of dimethylformamide and H2O (D-ZIF-67), respectively. Three-dimensional ZIF-67 with rhombic dodecahedron morphology was obtained from pure methanol (M-ZIF-67). Then, one-step electrodeposition of silver nanostructures on ZIF-67-modified glassy carbon electrode (Ag/ZIF-67/GCE) was performed for the reduction of hydrogen peroxide (H2O2). Cyclic voltammetry can be used to investigate the electrocatalytic activity of Ag/ZIF-67/GCE, and Ag/H-ZIF-67/GCE displayed the best electrocatalytic property than Ag/D-ZIF-67/GCE and Ag/M-ZIF-67/GCE. The electrochemical H2O2 sensor showed two wide linear ranges of 5 μM to 7 mM and 7 to 67 mM with the sensitivities of 421.4 and 337.7 μA mM-1 cm-2 and a low detection limit of 1.1 μM. In addition, the sensor exhibited good selectivity, high reproducibility, and stability. Furthermore, it has been utilized for real-time detection of H2O2 from HepG2 human liver cancer cells. This work provides a novel strategy for enhancing the detection performance of electrochemical sensors by changing the crystalline morphologies of supporting materials.
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Affiliation(s)
- Duanping Sun
- Key Laboratory of New Drug Discovery and Evaluation of Ordinary Universities of Guangdong Province, Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, Guangdong, China
| | - Dingcao Yang
- Key Laboratory of New Drug Discovery and Evaluation of Ordinary Universities of Guangdong Province, Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, Guangdong, China
| | - Ping Wei
- Key Laboratory of New Drug Discovery and Evaluation of Ordinary Universities of Guangdong Province, Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, Guangdong, China
| | - Bing Liu
- Key Laboratory of New Drug Discovery and Evaluation of Ordinary Universities of Guangdong Province, Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, Guangdong, China
| | - Zuanguang Chen
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, China
| | - Luyong Zhang
- Key Laboratory of New Drug Discovery and Evaluation of Ordinary Universities of Guangdong Province, Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, Guangdong, China
- Jiangsu Key Laboratory of Drug Screening, National Nanjing Center for Drug Screening, China Pharmaceutical University, Nanjing 210009, Jiangsu, China
| | - Jing Lu
- Key Laboratory of New Drug Discovery and Evaluation of Ordinary Universities of Guangdong Province, Guangzhou Key Laboratory of Construction and Application of New Drug Screening Model Systems, Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou 510006, Guangdong, China
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou 510006, Guangdong, China
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Novel nanohybrid of blackberry-like gold structures deposited graphene as a free-standing sensor for effective hydrogen peroxide detection. J SOLID STATE CHEM 2020. [DOI: 10.1016/j.jssc.2020.121299] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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29
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Gan L, Chen C, Qin P, Wang Y, Wang P. Silver nanoparticle-functionalized polydopamine nanotubes for highly sensitive nanocomposite electrode sensors. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.113961] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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Mavaei M, Chahardoli A, Shokoohinia Y, Khoshroo A, Fattahi A. One-step Synthesized Silver Nanoparticles Using Isoimperatorin: Evaluation of Photocatalytic, and Electrochemical Activities. Sci Rep 2020; 10:1762. [PMID: 32020015 PMCID: PMC7000682 DOI: 10.1038/s41598-020-58697-x] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 12/23/2019] [Indexed: 02/01/2023] Open
Abstract
In the current study, isoimperatorin, a natural furanocoumarin, is used as a reducing reagent to synthesize isoimperatorin mediated silver nanoparticles (Iso-AgNPs), and photocatalytic and electrocatalytic activities of Iso-AgNPs are evaluated. Iso-AgNPs consisted of spherically shaped particles with a size range of 79-200 nm and showed catalytic activity for the degradation (in high yields) of New Fuchsine (NF), Methylene Blue (MB), Erythrosine B (ER) and 4-chlorophenol (4-CP) under sunlight irradiation. Based on obtained results, Iso-AgNPs exhibited 96.5%, 96.0%, 92%, and 95% degradation rates for MB, NF, ER, and 4-CP, respectively. The electrochemical performance showed that the as-prepared Iso-AgNPs exhibited excellent electrocatalytic activity toward hydrogen peroxide (H2O2) reduction. It is worth noticing that the Iso-AgNPs were used as electrode materials without any binder. The sensor-based on binder-free Iso-AgNPs showed linearity from 0.1 µM to 4 mM with a detection limit of 0.036 μM for H2O2. This binder-free and straightforward strategy for electrode preparation by silver nanoparticles may provide an alternative technique for the development of other nanomaterials based on isoimperatorin under green conditions. Altogether, the application of isoimpratorin in the synthesis of nano-metallic electro and photocatalysts, especially silver nanoparticles, is a simple, cost-effective and efficient approach.
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Affiliation(s)
- Maryamosadat Mavaei
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Azam Chahardoli
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Yalda Shokoohinia
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Ric Scalzo Botanical Research Institute, Southwest College of Naturopathic Medicine, Tempe, AZ, USA
| | - Alireza Khoshroo
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Ali Fattahi
- Medical Biology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Wang XM, Chen L, Sowade E, Rodriguez RD, Sheremet E, Yu CM, Baumann RR, Chen JJ. Ultra-Uniform and Very Thin Ag Nanowires Synthesized via the Synergy of Cl -, Br - and Fe 3+ for Transparent Conductive Films. NANOMATERIALS 2020; 10:nano10020237. [PMID: 32013163 PMCID: PMC7075136 DOI: 10.3390/nano10020237] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 01/23/2020] [Accepted: 01/24/2020] [Indexed: 01/03/2023]
Abstract
The properties and applications of Ag nanowires (AgNWs) are closely related to their morphology and composition. Therefore, controlling the growth process of AgNWs is of great significance for technological applications and fundamental research. Here, silver nanowires (AgNWs) were synthesized via a typical polyol method with the synergistic effect of Cl−, Br−, and Fe3+ mediated agents. The synergistic impact of these mediated agents was investigated intensively, revealing that trace Fe3+ ions provided selective etching and hindered the strong etching effect from Cl− and Br− ions. Controlling this synergy allowed the obtainment of highly uniform AgNWs with sub-30 nm diameter and an aspect ratio of over 3000. Transparent conductive films (TCFs) based on these AgNWs without any post-treatment showed a very low sheet resistance of 4.7 Ω sq−1, a low haze of 1.08% at a high optical transmittance of 95.2% (at 550 nm), and a high figure of merit (FOM) of 1210. TCFs exhibited a robust electrical performance with almost unchanged resistance after 2500 bending cycles. These excellent high-performance characteristics demonstrate the enormous potential of our AgNWs in the field of flexible and transparent materials.
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Affiliation(s)
- Xiao-Ming Wang
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Long Chen
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Enrico Sowade
- Digital Printing and Imaging Technology, Chemnitz University of Technology, 09126 Chemnitz, Germany
| | - Raul D. Rodriguez
- Research School of Chemistry and Applied Biomedical Sciences, Tomsk Polytechnic University, 30 Lenin Ave, Tomsk 634050, Russia
| | - Evgeniya Sheremet
- Research School of Physics, Tomsk Polytechnic University, 30 Lenin Ave, Tomsk 634050, Russia
| | - Chun-Mei Yu
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Reinhard R. Baumann
- Digital Printing and Imaging Technology, Chemnitz University of Technology, 09126 Chemnitz, Germany
| | - Jin-Ju Chen
- School of Materials and Energy, University of Electronic Science and Technology of China, Chengdu 610054, China
- Correspondence:
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Amperometric H2O2 sensor based on gold nanoparticles/poly (celestine blue) nanohybrid film. SN APPLIED SCIENCES 2019. [DOI: 10.1007/s42452-019-0651-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
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Sinusoidal voltage electrodeposition of PEDOT-Prussian blue nanoparticles composite and its application to amperometric sensing of H 2O 2 in human blood. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 102:661-669. [PMID: 31147039 DOI: 10.1016/j.msec.2019.04.086] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 04/25/2019] [Accepted: 04/25/2019] [Indexed: 11/20/2022]
Abstract
A selective electrochemical sensor based on poly(3,4-ethylenedioxythiophene) (PEDOT) - Prussian blue nanoparticles (PBNPs) for hydrogen peroxide (H2O2) determination was prepared by innovative sinusoidal voltage (SV) method. The successful incorporation of citrate-stabilized PBNPs into PEDOT matrix was confirmed by energy dispersive X-ray analysis (EDX), Raman spectroscopy, UV-Vis spectroelectrochemistry and cyclic voltammetry measurements. The SV preparation method provides a PEDOT-PBNPs coating with rough surface morphology and good electrocatalytic activity toward H2O2 reduction. The amperometric response of PEDOT-PBNPs-based sensor at -50 mV vs. Ag/AgCl is linear within the range of concentrations from 5 μM to 1 mM H2O2 with a detection limit of 1.4 μM H2O2. The proposed Pt/PEDOT-PBNPs sensor displays good repeatability, reproducibility, operational stability as well as good selectivity toward H2O2 determination in the presence of interfering species like dopamine (DA), uric acid (UA), KNO2 glucose (Glu), KNO3 and ascorbic acid (AA), and was successfully applied to H2O2 determination in human blood samples without biofouling.
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34
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Electrochemical behavior of InSb thin films with different crystal structure in alkaline solution. Electrochim Acta 2019. [DOI: 10.1016/j.electacta.2019.02.050] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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35
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Puchowicz D, Giesz P, Kozanecki M, Cieślak M. Surface-enhanced Raman spectroscopy (SERS) in cotton fabrics analysis. Talanta 2019; 195:516-524. [PMID: 30625577 DOI: 10.1016/j.talanta.2018.11.059] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 11/15/2018] [Accepted: 11/19/2018] [Indexed: 11/17/2022]
Abstract
This article presents some aspects of application the dispersive Micro- Raman Spectroscopy in textile fibers analysis. Research were dedicated to the methodology of surface enhancement Raman spectroscopy (SERS) studies on cotton fabric and possibility of its application in fibers characterization. Studies were carried out on dyed cotton fabrics modified by silver nanowires (AgNWs). Three reactive dyes (blue, yellow, red) and four color intensities (0.5%, 1%, 2% and 5%) were used. AgNWs colloid was deposited on undyed and dyed cotton fabrics by dipping and drying method. Dyed fabrics were examined by spectroscopic methods: FTIR ATR, Raman, UV-Vis Diffuse Reflectance Spectroscopy, Fluorescence Spectroscopy. Raman signal enhancement phenomena occurring on the silver nanoparticles increases the possibility of fiber and dye identification especially in the case of dyes used in cotton dyeing reveals fluorescence.
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Affiliation(s)
- Dorota Puchowicz
- Textile Research Institute, Scientific Department of Unconventional Technologies and Textiles, Brzezińska 5/15, 92-103 Łódź, Poland.
| | - Patrycja Giesz
- Textile Research Institute, Scientific Department of Unconventional Technologies and Textiles, Brzezińska 5/15, 92-103 Łódź, Poland
| | - Marcin Kozanecki
- Department of Molecular Physics, Faculty of Chemistry, Lodz University of Technology, Żeromskiego 116, 90-924 Łódź, Poland
| | - Małgorzata Cieślak
- Textile Research Institute, Scientific Department of Unconventional Technologies and Textiles, Brzezińska 5/15, 92-103 Łódź, Poland
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Bindra HS, Kumar ABVK, Roy SC, Kumeria T, Nayak R. An improved strategy for transferring and adhering thin nanoporous alumina membranes onto conducting transparent electrodes for template assisted electrodeposition of high aspect ratio semiconductor nanowires with increased optical absorption. NANOTECHNOLOGY 2019; 30:095301. [PMID: 30523841 DOI: 10.1088/1361-6528/aae6e4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
This article presents a new method for transferring and enhancing the adhesion of thin nanoporous alumina (NPA) membranes onto non-atomically flat substrates like fluorine-doped tin oxide (FTO) coated glass. The study reports use of glycerol as an additive to reduce the brittleness of the polystyrene filler that was used to fill the pores of the NPA membrane. Additionally, a new reflux-based method is reported here for the complete removal of the polystryrene filler from the porous channels of alumina. The adhesion between an NPA membrane and an underlying electrode was enhanced by electrodepositing a thin (∼40 nm) intermediate layer of the conducting polymer polyaniline (PANI). The PANI layer acts as an efficient electrostatic adhesive between the NPA and the conducting glass electrode and ensures ultra-strong adhesion of the NPA membrane, which can survive the harsh conditions of CdTe nanowire electrodeposition (60 °C temperature and an acidic electrolyte) without delamination for 30 min. The resulting nanowires clearly templated the structure of NPA and displayed free-standing nanowires over a large area with a diameter of around 60 nm, a length of approximately 2.8 μm (aspect ratio ∼47) and an areal density of 5.9 × 1012 nanowires cm-2. Total optical absorption measurement on the free-standing CdTe nanowires exhibited a 45% enhancement over a wavelength range of 350-1400 nm as compared to a CdTe planar thin film of same thickness.
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Affiliation(s)
- Harsimran S Bindra
- Amity Institute of Nanotechnology, Amity University Noida, 201301, Uttar Pradesh, India
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Randjelović MS, Momčilović MZ, Enke D, Mirčeski V. Electrochemistry of hydrogen peroxide reduction reaction on carbon paste electrodes modified by Ag- and Pt-supported carbon microspheres. J Solid State Electrochem 2019. [DOI: 10.1007/s10008-019-04226-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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38
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Dong Y, Duan C, Sheng Q, Zheng J. Preparation of Ag@zeolitic imidazolate framework-67 at room temperature for electrochemical sensing of hydrogen peroxide. Analyst 2019; 144:521-529. [PMID: 30398238 DOI: 10.1039/c8an01641k] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In this work, a novel non-enzymatic hydrogen peroxide sensor, Ag@zeolitic imidazolate framework-67 (Ag@ZIF-67)/glassy carbon electrode (GCE), was fabricated by a simple method at room temperature. The morphology and structure of Ag@ZIF-67 were investigated by scanning electron microscopy, transmission electron microscopy, energy dispersive spectroscopy, Fourier transform infrared spectroscopy, powder X-ray diffraction, atomic absorption spectrophotometry, and N2 absorption isotherms, which indicated that core-shell Ag@ZIF-67 was successfully synthesized with a porous rhombic dodecahedron structure. Electrochemical investigations demonstrated that the Ag@ZIF-67/GCE had strong electrocatalytic activity towards hydrogen peroxide reduction with a low detection limit of 1.5 μM (S/N = 3), a fast response time of 3 s, and three different linear relationships in the ranges of 5.0 μM-275 μM, 775 μM-2775 μM, and 4775 μM-16 775 μM with sensitivities of 27 μA mM-1 cm-2, 13 μA mM-1 cm-2, and 5.3 μA mM-1 cm-2, respectively. Moreover, the fabricated sensor exhibited an excellent recovery rate in real sample analysis of medical hydrogen peroxide disinfectant. These results proved that Ag@ZIF-67/GCE is an effective electrochemical sensor for detecting hydrogen peroxide.
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Affiliation(s)
- Yuhua Dong
- College of Chemistry and Materials Science, Shaanxi Provincial Key Laboratory of Electroanalytical Chemistry, Northwest University, Xi'an, Shaanxi 710069, China.
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Zhang X, Sheng Q, Zheng J. Palladium nanoparticles decorated SnO2 wrapped MWCNT nanocomposites as a highly efficient H2O2 electrocatalyst. NEW J CHEM 2019. [DOI: 10.1039/c8nj04421j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A nanocomposite of Pd–SnO2@MWCNTs was successfully achieved using a hydrothermal method and its excellent electrocatalytic activity towards hydrogen peroxide was investigated.
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Affiliation(s)
- Xinjin Zhang
- College of Chemistry & Materials Science/Shaanxi Provincial Key Laboratory of Electroanalytical Chemistry
- Northwest University
- Xi’an
- China
| | - Qinglin Sheng
- College of Food Science and Technology
- Northwest University
- Xi’an
- China
| | - Jianbin Zheng
- College of Chemistry & Materials Science/Shaanxi Provincial Key Laboratory of Electroanalytical Chemistry
- Northwest University
- Xi’an
- China
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40
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Liu Y, Gao C, Li Q, Pang H. Nickel Oxide/Graphene Composites: Synthesis and Applications. Chemistry 2018; 25:2141-2160. [DOI: 10.1002/chem.201803982] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Yushu Liu
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy; Yangzhou University; Yangzhou 225009 Jiangsu P.R. China
| | - Chun Gao
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy; Yangzhou University; Yangzhou 225009 Jiangsu P.R. China
- Jiangsu Commercial Vocational College; Nantong 226011 Jiangsu P.R. China
| | - Qing Li
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy; Yangzhou University; Yangzhou 225009 Jiangsu P.R. China
| | - Huan Pang
- School of Chemistry and Chemical Engineering, Institute for Innovative Materials and Energy; Yangzhou University; Yangzhou 225009 Jiangsu P.R. China
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41
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Nair AK, Sukumaran Nair KM, Thomas S, Rouxel D, Alwarappan S, Kalarikkal N. In Situ Synthesis of Silver Nanospheres, Nanocubes, and Nanowires over Boron-Doped Graphene Sheets for Surface-Enhanced Raman Scattering Application and Enzyme-Free Detection of Hydrogen Peroxide. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:13603-13614. [PMID: 30350693 DOI: 10.1021/acs.langmuir.8b02005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
An effective in situ synthesis strategy is demonstrated for the preparation of silver nanostructures (nanospheres (NSs), nanocubes (NCs), and nanowires (NWs)) on the surface of boron-doped graphene (BG). Further, these functional nanomaterials are employed for the surface-enhanced Raman scattering (SERS) and non-enzymatic electrochemical detection of H2O2. The results confirm the superior performance of BG-Ag nanostructures as SERS platform. Among various geometries of silver nanoparticles studied in this work, we find that the AgNCs over BG (BG-AgNC) present outstanding SERS performance for detecting 4-mercaptobenzoic acid, with a limit of detection of 1.0 × 10-13 M. Furthermore, BG-AgNC exhibits excellent capability to detect melamine as low as 1.0 × 10-9 M. Electrochemical results confirm that the BG-AgNW-based platform exhibits a superior biosensing performance toward H2O2 detection. The enhanced performance is due to the presence of graphene, which improves the conductivity and provides more active sites. The synthesis of doped graphene with metallic nanoparticles described in this work is expected to be a key strategy for the development of an efficient SERS and electrochemical sensor that offers simplicity, cost-effectiveness, long-term stability, and better reproducibility.
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Affiliation(s)
- Anju K Nair
- International and Inter University Centre for Nanoscience and Nanotechnology , Mahatma Gandhi University , Kottayam - 686 560 , Kerala , India
- Department of Physics , St Teresas's College Ernakulam - 682011 , Kerala , India
| | | | - Sabu Thomas
- International and Inter University Centre for Nanoscience and Nanotechnology , Mahatma Gandhi University , Kottayam - 686 560 , Kerala , India
- School of Chemical Sciences , Mahatma Gandhi University , Kottayam - 686 560 , Kerala , India
| | - Didier Rouxel
- UMR CNRS 7198, Facult́e des Sciences et Techniques , Institut Jean Lamour , Campus Victor Grignard , BP 70239, 54506 , Vandoeuvre-les-Nancy Cedex , France
| | - Subbiah Alwarappan
- CSIR - Central Electrochemical Research Institute (CSIR-CECRI) Karaikudi - 630 003 , Tamil Nadu , India
| | - Nandakumar Kalarikkal
- International and Inter University Centre for Nanoscience and Nanotechnology , Mahatma Gandhi University , Kottayam - 686 560 , Kerala , India
- School of Pure and Applied Physics , Mahatma Gandhi University , Kottayam - 686 560 , Kerala India
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42
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Jin S, Jiang Y, Ji H, Yu Y. Advanced 3D Current Collectors for Lithium-Based Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1802014. [PMID: 30125397 DOI: 10.1002/adma.201802014] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 05/30/2018] [Indexed: 06/08/2023]
Abstract
Li-based batteries are a hot research topic because they are the most popular energy storage system for high energy-density devices. As an important component of the battery, the current collectors in both cathode and anode should be well designed. Herein, the design of 3D current collectors for Li-based batteries is considered, including 3D metal-based and carbon-based current collectors. The progress in nanotechnology provides appropriate 3D current collectors characterized by highly efficient morphologies and architectures. In particular, 3D current collectors with different morphology are classified. Critical factors of current collectors that affect the electrochemical performance of Li-based batteries are comprehensively debated. Finally, conclusion and perspectives of the future research in this field are discussed.
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Affiliation(s)
- Song Jin
- Department of Materials Science and Engineering, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
- The Collaborative Innovation Center of Chemistry for Energy Materials, Hefei, Anhui, 230026, P. R. China
| | - Yu Jiang
- Department of Materials Science and Engineering, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
| | - Hengxing Ji
- Department of Materials Science and Engineering, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
- The Collaborative Innovation Center of Chemistry for Energy Materials, Hefei, Anhui, 230026, P. R. China
| | - Yan Yu
- Department of Materials Science and Engineering, CAS Key Laboratory of Materials for Energy Conversion, University of Science and Technology of China, Hefei, Anhui, 230026, P. R. China
- Institute of Advanced Electrochemical Energy, Xi'an University of Technology, Xi'an, 710048, China
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43
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Zhao L, Song J, Xue Y, Zhao X, Deng Y, Li Q, Xia Y. Green Synthesis of Ag–Au Bimetallic Nanoparticles with Alginate for Sensitive Detection of H2O2. Catal Letters 2018. [DOI: 10.1007/s10562-018-2522-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Green Preparation of Ag-Au Bimetallic Nanoparticles Supported on Graphene with Alginate for Non-Enzymatic Hydrogen Peroxide Detection. NANOMATERIALS 2018; 8:nano8070507. [PMID: 29986528 PMCID: PMC6071074 DOI: 10.3390/nano8070507] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 07/02/2018] [Accepted: 07/05/2018] [Indexed: 11/22/2022]
Abstract
In this work, a facile, environmentally friendly method was demonstrated for the synthesis of Ag-Au bimetallic nanoparticles (Ag-AuNPs) supported on reduced graphene oxide (RGO) with alginate as reductant and stabilizer. The prepared Ag-AuNPs/RGO was characterized by scanning electron microscope (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS). The results indicated that uniform, spherical Ag-AuNPs was evenly dispersed on graphene surface and the average particle size is about 15 nm. Further, a non-enzymatic sensor was subsequently constructed through the modified electrode with the synthesized Ag-AuNPs/RGO. The sensor showed excellent performance toward H2O2 with a sensitivity of 112.05 μA·cm−2·mM−1, a linear range of 0.1–10 mM, and a low detection limit of 0.57 μM (S/N = 3). Additionally, the sensor displayed high sensitivity, selectivity, and stability for the detection of H2O2. The results demonstrated that Ag-AuNPs/RGO has potential applications as sensing material for quantitative determination of H2O2.
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45
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Al-Hardan NH, Abdul Hamid MA, Shamsudin R, Al-Khalqi EM, Kar Keng L, Ahmed NM. Electrochemical Hydrogen Peroxide Sensor Based on Macroporous Silicon. SENSORS 2018; 18:s18030716. [PMID: 29495561 PMCID: PMC5876759 DOI: 10.3390/s18030716] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Revised: 02/07/2018] [Accepted: 02/14/2018] [Indexed: 02/05/2023]
Abstract
Macroporous silicon was prepared through an anodization process; the prepared samples showed an average pore size ranging from 4 to 6 microns, and the depth of the pores in the silicon wafer was approximately 80 microns. The prepared samples were tested for hydrogen peroxide (H₂O₂) concentrations, which can be used for industrial and environmental sensing applications. The selected H₂O₂ concentration covered a wide range from 10 to 5000 μM. The tested samples showed a linear response through the tested H₂O₂ concentrations with a sensitivity of 0.55 μA μM-1∙cm-2 and lower detection limits of 4.35 μM at an operating voltage of 5 V. Furthermore, the electrode exhibited a rapid response with a response time of ca. two seconds. Furthermore, the prepared sensor showed a reasonable stability over a one-month time period.
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Affiliation(s)
- Naif H Al-Hardan
- School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia.
| | - Muhammad Azmi Abdul Hamid
- School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia.
| | - Roslinda Shamsudin
- School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia.
| | - Ensaf Mohammed Al-Khalqi
- School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia.
| | - Lim Kar Keng
- School of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Malaysia.
| | - Naser M Ahmed
- School of Physics, Universiti Sains Malaysia (USM), Penang 11800, Malaysia.
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46
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Cheng C, Zhang C, Gao X, Zhuang Z, Du C, Chen W. 3D Network and 2D Paper of Reduced Graphene Oxide/Cu 2O Composite for Electrochemical Sensing of Hydrogen Peroxide. Anal Chem 2018; 90:1983-1991. [PMID: 29286638 DOI: 10.1021/acs.analchem.7b04070] [Citation(s) in RCA: 87] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In this study, two-dimensional (2D) and three-dimensional (3D) freestanding reduced graphene oxide-supported Cu2O composites (Cu2O-rGO) were synthesized via simple and cost-efficient hydrothermal and filtration strategies. The structural characterizations clearly showed that highly porous 3D graphene aerogel-supported Cu2O microcrystals (3D Cu2O-GA) have been successfully synthesized, and the Cu2O microcrystals are uniformly assembled in the 3D GA. Meanwhile, paper-like 2D reduced graphene oxide-supported Cu2O nanocrystals (2D Cu2O-rGO-P) have also been prepared by a filtration process. It was found that the products prepared from different precursors and methods exhibited different sensing performances for H2O2 detection. The electrochemical measurements demonstrated that the 3D Cu2O-GA has high electrocatalytic activity for the H2O2 reduction and excellent sensing performance for the electrochemical detection of H2O2 with a detection limit of 0.37 μM and a linear detection range from 1.0 μM to 1.47 mM. Meanwhile, the 2D Cu2O-rGO-P structure also showed good electrochemical sensing performance toward H2O2 detection with a much wider linear response over the concentration range from 5.0 μM to 10.56 mM. Compared to the previously reported sensing materials, the as-obtained 2D and 3D Cu2O-rGO materials exhibited higher electrochemical sensing properties toward the detection of H2O2 with high sensitivity and selectivity. The 2D and 3D Cu2O-rGO composites also exhibited high sensing performance for the real-time detection of H2O2 in human serum. The present study indicates that 2D and 3D graphene-Cu2O composites have promising applications in the fabrication of nonenzymatic electrochemical sensing devices.
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Affiliation(s)
- Chunfeng Cheng
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022, Jilin China.,University of Chinese Academy of Sciences , Beijing 100039, China
| | - Chunmei Zhang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022, Jilin China.,University of Chinese Academy of Sciences , Beijing 100039, China
| | - Xiaohui Gao
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022, Jilin China.,University of Chinese Academy of Sciences , Beijing 100039, China
| | - Zhihua Zhuang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022, Jilin China.,University of Science and Technology of China , Hefei, Anhui 230029, China
| | - Cheng Du
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022, Jilin China.,University of Science and Technology of China , Hefei, Anhui 230029, China
| | - Wei Chen
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences , Changchun 130022, Jilin China
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47
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Branched silver nanowires on fluorine-doped tin oxide glass for simultaneous amperometric detection of H2O2 and of 4-aminothiophenol by SERS. Mikrochim Acta 2018; 185:106. [DOI: 10.1007/s00604-017-2625-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Accepted: 12/17/2017] [Indexed: 11/26/2022]
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48
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Wan M, Tao J, Jia D, Chu X, Li S, Ji S, Ye C. High-purity very thin silver nanowires obtained by Ostwald ripening-driven coarsening and sedimentation of nanoparticles. CrystEngComm 2018. [DOI: 10.1039/c8ce00357b] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
High-purity very thin silver nanowires could be obtained by Ostwald ripening-driven coarsening and sedimentation combined with brief filtration of raw silver nanowire solution.
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Affiliation(s)
- Mengjuan Wan
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Technology
- Institute of Solid State Physics
- Chinese Academy of Sciences
- Hefei 230031
- China
| | - Jingqi Tao
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Technology
- Institute of Solid State Physics
- Chinese Academy of Sciences
- Hefei 230031
- China
| | - Dan Jia
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Technology
- Institute of Solid State Physics
- Chinese Academy of Sciences
- Hefei 230031
- China
| | - Xikun Chu
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Technology
- Institute of Solid State Physics
- Chinese Academy of Sciences
- Hefei 230031
- China
| | - Shuxin Li
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Technology
- Institute of Solid State Physics
- Chinese Academy of Sciences
- Hefei 230031
- China
| | - Shulin Ji
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Technology
- Institute of Solid State Physics
- Chinese Academy of Sciences
- Hefei 230031
- China
| | - Changhui Ye
- Key Laboratory of Materials Physics and Anhui Key Laboratory of Nanomaterials and Technology
- Institute of Solid State Physics
- Chinese Academy of Sciences
- Hefei 230031
- China
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49
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A nanocomposite-based electrochemical sensor for non-enzymatic detection of hydrogen peroxide. Oncotarget 2017; 8:13039-13047. [PMID: 28035076 PMCID: PMC5355075 DOI: 10.18632/oncotarget.14308] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Accepted: 12/01/2016] [Indexed: 12/11/2022] Open
Abstract
Hydrogen peroxide (H2O2) plays important signaling roles in normal physiology and disease. However, analyzing the actions of H2O2 is often impeded by the difficulty in detecting this molecule. Herein, we report a novel nanocomposite-based electrochemical sensor for non-enzymatic detection of H2O2. Graphene oxide (GO) was selected as the dopant for the synthesis of polyaniline (PANI), leading to the successful fabrication of a water-soluble and stable GO-PANI composite. GO-PANI was subsequently subject to cyclic voltammetry to generate reduced GO-PANI (rGO-PANI), enhancing the conductivity of the material. Platinum nanoparticles (PtNPs) were then electrodeposited on the surface of the rGO-PANI-modified glassy carbon electrode (GCE) to form an electrochemical H2O2 sensor. Compared to previously reported sensors, the rGO-PANI-PtNP/GCE exhibited an expanded linear range, higher sensitivity, and lower detection limit in the quantification of H2O2. In addition, the sensor displayed outstanding reproducibility and selectivity in real-sample examination. Our study suggests that the rGO-PANI-PtNP/GCE may have broad utility in H2O2 detection under physiological and pathological conditions.
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50
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Karuppusamy S, Demudu Babu G, Venkatesh V, Marken F, Anbu Kulandainathan M. Highly conductive nano-silver textile for sensing hydrogen peroxide. J Electroanal Chem (Lausanne) 2017. [DOI: 10.1016/j.jelechem.2017.07.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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