DICP OpenIR
Nano-graphene-based tyrosinase biosensor for rapid detection of bisphenol A
Wu, Lidong; Deng, Dehui; Jin, Jing; Lu, Xianbo; Chen, Jiping
关键词Bisphenol a Nanographene Graphene Carbon Nanotubes Tyrosinase Biosensor
刊名BIOSENSORS & BIOELECTRONICS
2012-05-15
DOI10.1016/j.bios.2012.02.045
35期:1页:193-199
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine ; Physical Sciences
类目[WOS]Biophysics ; Biotechnology & Applied Microbiology ; Chemistry, Analytical ; Electrochemistry ; Nanoscience & Nanotechnology
研究领域[WOS]Biophysics ; Biotechnology & Applied Microbiology ; Chemistry ; Electrochemistry ; Science & Technology - Other Topics
关键词[WOS]ELECTROCHEMICAL BIOSENSORS ; SELECTIVE DETECTION ; FABRICATION ; IMMOBILIZATION ; DISORDERS ; GLUCOSE ; FILMS
英文摘要Hydrophilic nanographene (NGP) prepared by ball milling of graphite was used as the support to construct a novel tyrosinase biosensor for determination of bisphenol A (BPA). The performances of the nanographene-based tyrosinase biosensor were systematically compared with those of multiwall carbon nanotubes (MWNTs) modified tyrosinase biosensors. The results indicated that the nanographene-based tyrosinase biosensor provided significant advantages over MWNTs-based tyrosinase biosensor in term of response, repeatability, background current and limit of detection (LOD), which could be attributed to its larger specific surface area and unique hierarchical tyrosinase-NGP nanostructures. The nanographene-based tyrosinase biosensor displayed superior analytical performance over a linear range from 100 nmol L-1 to 2000 nmol L-1, with LOD of 33 nmol L-1 and sensitivity of 3108.4 mA cm(-2) M-1. The biosensor was further used for detecting BPA (leaching from different vessels) in tap water, and the accuracy of the results was validated by high performance liquid chromatography (HPLC). The nanographene-based tyrosinase biosensor proved to be a promising and reliable tool for rapid detection of BPA leached from polycarbonate plastic products and for on-site rapid analysis of emergency pollution affairs of BPA. (C) 2012 Elsevier B.V. All rights reserved.
语种英语
WOS记录号WOS:000305036000029
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138098
专题中国科学院大连化学物理研究所
作者单位Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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Wu, Lidong,Deng, Dehui,Jin, Jing,et al. Nano-graphene-based tyrosinase biosensor for rapid detection of bisphenol A[J]. BIOSENSORS & BIOELECTRONICS,2012,35(1):193-199.
APA Wu, Lidong,Deng, Dehui,Jin, Jing,Lu, Xianbo,&Chen, Jiping.(2012).Nano-graphene-based tyrosinase biosensor for rapid detection of bisphenol A.BIOSENSORS & BIOELECTRONICS,35(1),193-199.
MLA Wu, Lidong,et al."Nano-graphene-based tyrosinase biosensor for rapid detection of bisphenol A".BIOSENSORS & BIOELECTRONICS 35.1(2012):193-199.
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