National Changhua University of Education Institutional Repository : Item 987654321/1556
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题名: DNA Functionalized Gold Nanoparticles for Bioanalysis
作者: Lin, Y.-W.;Liu, C.-W.;Chang, H.-T.
贡献者: 化學系
日期: 2009
上传时间: 2010-11-10T06:53:01Z
摘要: Gold nanoparticles (Au NPs) have become one of the most interesting sensing materials because of their unique size- and shape-dependent optical properties, high extinction coefficients, and superquenching
capability. Au NPs that are bioconjugated with DNA (DNA-Au NPs) have been
demonstrated for selective and sensitive detection of analytes such as mercury(II) ions, platelet-derived growth factor (PDGF), and adenosine triphosphate (ATP). This review focuses on approaches using DNA-Au NPs for colorimetric, fluorescent, and scattering detection of biopolymers and small solutes. We highlight the important roles that the size and concentration of Au NPs, the length and sequence of DNA, the nature of the capping agents, and the ionic strength and pH of solution play in determining the specificity and sensitivity of the nanosensors for the analytes. The advantages and disadvantages of different detection methods for sensing of interesting analytes using DNA-Au NPs will be discussed.
關聯: Anal. Methods, 1, 14-24
显示于类别:[化學系] 期刊論文

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