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首页> 外文期刊>Journal of industrial and engineering chemistry >A flexible pentacene thin film transistors as disposable DNA hybridization sensor
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A flexible pentacene thin film transistors as disposable DNA hybridization sensor

机译:柔性并五苯薄膜晶体管作为一次性DNA杂交传感器

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摘要

We fabricated a disposable DNA hybridization sensor using pentacene thin film transistors (TFTs) on flexible substrate. The analytes, 100-mer ss-DNA (poly A and poly T) or 100 bp ds-DNA were immobilized directly on the surface of the pentacene layer, thereby producing a dramatic change in the electrical properties of the devices. The electrical characteristics of devices were studied as a function of DNA immobilization conditions, DNA concentrations and between ss- and ds-DNA. Based on these results, we propose a disposable label-free sensor for DNA hybridization through direct measurement of electrical properties by the immobilization of DNA on flexible pentacene TFTs.
机译:我们在柔性基板上使用并五苯薄膜晶体管(TFT)制造了一次性DNA杂交传感器。将分析物100-mer ss-DNA(poly A和poly T)或100 bp ds-DNA直接固定在并五苯层的表面上,从而在器件的电性能上产生了巨大变化。研究了装置的电学特性与DNA固定条件,DNA浓度以及ss-和ds-DNA之间的关系。基于这些结果,我们提出了一种通过将DNA固定在柔性并五苯TFT上直接测量电性能来进行DNA杂交的一次性无标记传感器。

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