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Optical determination of hydrogen peroxide by exploiting the peroxidase-like activity of AgVO3 nanobelts
Xiang, Zhenbo1,2; Wang, Yi1; Ju, Peng1,2; Zhang, Dun1
2016
发表期刊MICROCHIMICA ACTA
卷号183期号:1页码:457-463
文章类型Article
摘要AgVO3 nanobelts (typically 0.5 to 5 mu m in length; 100 nm in width) are demonstrated for the first time to possess intrinsic peroxidase-like activity. The substrate 3,3',5,5'-tetramethylbenzidine is converted to a blue dye (with an absorbance maximum at 652 nm) in the presence of H2O2. Kinetic analysis indicates that the catalytic reaction follows a ping-pong mechanism. Moreover, a possible photocatalytic mechanism is proposed based on active species trapping experiments, demonstrating that hydroxy radicals play major roles in this system. This feature of the nanobelts is used for quantitative kinetic determination of H2O2. The assay has a 5 mu M detection limit and a detection range from 0.075 to 0.5 mM. Other attractive features include a good chemical stability and high specificity of the nanobelts, simplicity of the assay, and the good reproducibility of the synthesis of the material.
关键词Silver Vanadate X-ray Diffraction Scanning Electron Microscopy Transmission Electron Microscopy Kinetic Assay Peroxidase Mimic Photometric Determination
DOI10.1007/s00604-015-1670-x
收录类别SCI
语种英语
WOS记录号WOS:000367692900052
引用统计
被引频次:30[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/95204
专题海洋腐蚀与防护研究发展中心
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Environm Corros & Biofouling, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
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Xiang, Zhenbo,Wang, Yi,Ju, Peng,et al. Optical determination of hydrogen peroxide by exploiting the peroxidase-like activity of AgVO3 nanobelts[J]. MICROCHIMICA ACTA,2016,183(1):457-463.
APA Xiang, Zhenbo,Wang, Yi,Ju, Peng,&Zhang, Dun.(2016).Optical determination of hydrogen peroxide by exploiting the peroxidase-like activity of AgVO3 nanobelts.MICROCHIMICA ACTA,183(1),457-463.
MLA Xiang, Zhenbo,et al."Optical determination of hydrogen peroxide by exploiting the peroxidase-like activity of AgVO3 nanobelts".MICROCHIMICA ACTA 183.1(2016):457-463.
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