{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,1,21]],"date-time":"2025-01-21T00:10:24Z","timestamp":1737418224845,"version":"3.33.0"},"reference-count":48,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2024,1,7]],"date-time":"2024-01-07T00:00:00Z","timestamp":1704585600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"National Key R&D Program of China","award":["2018AAA0100300"]},{"DOI":"10.13039\/501100012226","name":"Fundamental Research Funds for the Central Universities","doi-asserted-by":"crossref","award":["DUT22YG238"],"id":[{"id":"10.13039\/501100012226","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"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 \u03bcM to 620 \u03bcM, with a sensitivity of 49 \u03bcA mM\u22121cm\u22122 and a limit of detection (LOD) of 3.19 \u03bcA. The linear response of the AgNPs\/rGO\/GCE to DA ranged from 1 \u03bcM to 276 \u03bcM, the sensitivity was 7.86 \u03bcA mM\u22121cm\u22122, and the LOD was 0.18 \u03bcM. 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.<\/jats:p>","DOI":"10.3390\/s24020355","type":"journal-article","created":{"date-parts":[[2024,1,8]],"date-time":"2024-01-08T11:12:58Z","timestamp":1704712378000},"page":"355","source":"Crossref","is-referenced-by-count":6,"title":["Hydrogen Peroxide and Dopamine Sensors Based on Electrodeposition of Reduced Graphene Oxide\/Silver Nanoparticles"],"prefix":"10.3390","volume":"24","author":[{"given":"Yuhang","family":"Zhang","sequence":"first","affiliation":[{"name":"School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian 116024, China"}]},{"given":"Na","family":"Li","sequence":"additional","affiliation":[{"name":"School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian 116024, China"},{"name":"Liaoning Key Lab of Integrated Circuit and Biomedical Electronic System, Dalian University of Technology, Dalian 116024, China"}]},{"given":"Bo","family":"Liu","sequence":"additional","affiliation":[{"name":"School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian 116024, China"},{"name":"Liaoning Key Lab of Integrated Circuit and Biomedical Electronic System, Dalian University of Technology, Dalian 116024, China"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5392-8019","authenticated-orcid":false,"given":"Hangyu","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Biomedical Engineering, Faculty of Medicine, Dalian University of Technology, Dalian 116024, China"},{"name":"Liaoning Key Lab of Integrated Circuit and Biomedical Electronic System, Dalian University of Technology, Dalian 116024, China"}]}],"member":"1968","published-online":{"date-parts":[[2024,1,7]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"528","DOI":"10.1016\/j.snb.2016.10.072","article-title":"Cube-like CoSn(OH)6 nanostructure for sensitive electrochemical detection of H2O2 in human serum sample","volume":"241","author":"Shu","year":"2017","journal-title":"Sens. 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