Graphene Oxide Sheet-Mediated Silver Enhancement for Application to Electrochemical Biosensors | |
Wan, Yi1,2; Wang, Yi1; Wu, Jiajia1,2; Zhag, Dun1 | |
刊名 | ANALYTICAL CHEMISTRY |
2011-02-01 | |
卷号 | 83期号:3页码:648-653 |
ISSN号 | 0003-2700 |
通讯作者 | Zhag, D (reprint author), Chinese Acad Sci, Shandong Prov Key Lab Corros Sci, Inst Oceanol, 7 Nanhai Rd, Qingdao 266071, Peoples R China |
中文摘要 | Functionalized graphene oxide (GO) sheets coupled with a signal amplification method based on the nanomaterial-promoted reduction of silver ions for the sensitive and selective detection of bacteria. This paper aims to develop an electrochemical route combined with GO sheet-mediated Ag enhancement for biological/chemical analyte detection. A linear relationship between the stripping response and the logarithm of the bacterial concentration was obtained using an electrochemical technique for concentrations ranging from 1.8 x 10(2) to 1.8 x 10(8) cfu mL(-1), with a slope of 15.28 and a correlation coefficient of 0.995. Dot blot assay was used as a conventional immunoassay method for comparison with the electrochemical method, as well as to observe the quality of the anti-sulfite-reducing bacteria (SRB) antibody (Ab) used in the immunosensor. The GO sheet-mediated,silver enhancement holds great potential for the rapid analysis of protein, DNA, and pathogens. |
英文摘要 | Functionalized graphene oxide (GO) sheets coupled with a signal amplification method based on the nanomaterial-promoted reduction of silver ions for the sensitive and selective detection of bacteria. This paper aims to develop an electrochemical route combined with GO sheet-mediated Ag enhancement for biological/chemical analyte detection. A linear relationship between the stripping response and the logarithm of the bacterial concentration was obtained using an electrochemical technique for concentrations ranging from 1.8 x 10(2) to 1.8 x 10(8) cfu mL(-1), with a slope of 15.28 and a correlation coefficient of 0.995. Dot blot assay was used as a conventional immunoassay method for comparison with the electrochemical method, as well as to observe the quality of the anti-sulfite-reducing bacteria (SRB) antibody (Ab) used in the immunosensor. The GO sheet-mediated,silver enhancement holds great potential for the rapid analysis of protein, DNA, and pathogens. |
学科主题 | Chemistry |
收录类别 | SCI |
原文出处 | 10.1021/ac103047c |
语种 | 英语 |
WOS记录号 | WOS:000286689600004 |
公开日期 | 2012-07-03 |
内容类型 | 期刊论文 |
源URL | [http://ir.qdio.ac.cn/handle/337002/11450] |
专题 | 海洋研究所_海洋腐蚀与防护研究发展中心 |
作者单位 | 1.Chinese Acad Sci, Shandong Prov Key Lab Corros Sci, Inst Oceanol, Qingdao 266071, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China |
推荐引用方式 GB/T 7714 | Wan, Yi,Wang, Yi,Wu, Jiajia,et al. Graphene Oxide Sheet-Mediated Silver Enhancement for Application to Electrochemical Biosensors[J]. ANALYTICAL CHEMISTRY,2011,83(3):648-653. |
APA | Wan, Yi,Wang, Yi,Wu, Jiajia,&Zhag, Dun.(2011).Graphene Oxide Sheet-Mediated Silver Enhancement for Application to Electrochemical Biosensors.ANALYTICAL CHEMISTRY,83(3),648-653. |
MLA | Wan, Yi,et al."Graphene Oxide Sheet-Mediated Silver Enhancement for Application to Electrochemical Biosensors".ANALYTICAL CHEMISTRY 83.3(2011):648-653. |
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