{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,10]],"date-time":"2026-03-10T18:33:11Z","timestamp":1773167591339,"version":"3.50.1"},"reference-count":32,"publisher":"MDPI AG","issue":"3","license":[{"start":{"date-parts":[[2018,3,13]],"date-time":"2018-03-13T00:00:00Z","timestamp":1520899200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["61301037"],"award-info":[{"award-number":["61301037"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Henan Science and Technology Cooperation Project","award":["172106000014"],"award-info":[{"award-number":["172106000014"]}]},{"DOI":"10.13039\/501100004609","name":"Foundation of Henan Educational Committee","doi-asserted-by":"publisher","award":["13A550194"],"award-info":[{"award-number":["13A550194"]}],"id":[{"id":"10.13039\/501100004609","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Cultivation Plan for Young Core Teachers in Universities of Henan Province","award":["2017GGJS072"],"award-info":[{"award-number":["2017GGJS072"]}]},{"name":"Fundamental Research Funds for the Henan Provincial Colleges and Universities","award":["2014YWQQ05"],"award-info":[{"award-number":["2014YWQQ05"]}]},{"name":"Youth Backbone Teacher Training Program of Henan University of Technology"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Sensors"],"abstract":"<jats:p>In this paper, we present a simple and feasible electrochemical sensor based on Au nanoparticle-functionalized graphene for the determination of sulfanilamide. Au nanoparticles were deposited on graphene, which acted as a platform to prepare excellent nanocomposites. Attributed to the graphene\u2019s large surface area and the Au nanoparticles\u2019 strong conductivity, many sulfanilamide molecules were enriched on the sensor surface and the signal response became more sensitive. Under the optimal conditions, the electrochemical sensors could be used for the efficient detection of sulfanilamide. Good linearity was observed in the range of 0.1\u20131000 \u03bcmol\u00b7L\u22121 and the detection limit was 0.011 \u03bcmol\u00b7L\u22121. Most importantly, the Au nanoparticle-functionalized graphene-modified electrode could be successfully applied for the detection of sulfanilamide in animal meat, and exhibited good stability, acceptable recovery, and offered a promising platform for point-of-care detecting in real samples.<\/jats:p>","DOI":"10.3390\/s18030846","type":"journal-article","created":{"date-parts":[[2018,3,13]],"date-time":"2018-03-13T13:37:21Z","timestamp":1520948241000},"page":"846","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Modifications of Au Nanoparticle-Functionalized Graphene for Sensitive Detection of Sulfanilamide"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3343-9197","authenticated-orcid":false,"given":"Bao-Shan","family":"He","sequence":"first","affiliation":[{"name":"School of Food Science and Technology, Henan Key Laboratory of Cereal and Oil Food Safety Inspection and Control, Henan University of Technology, Zhengzhou 450001, China"}]},{"given":"Xiao-Hai","family":"Yan","sequence":"additional","affiliation":[{"name":"School of Food Science and Technology, Henan Key Laboratory of Cereal and Oil Food Safety Inspection and Control, Henan University of Technology, Zhengzhou 450001, China"}]}],"member":"1968","published-online":{"date-parts":[[2018,3,13]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"25","DOI":"10.1016\/j.chroma.2015.11.007","article-title":"Emulsification liquid-liquid microextraction based on deep eutectic solvent: An extraction method for the determination of benzene, toluene, ethylbenzene and seven polycyclic aromatic hydrocarbons from water samples","volume":"1425","author":"Khezeli","year":"2015","journal-title":"J. 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