2 条结果 关键词:电阻检测 ×

Electrically-receptive and thermally-responsive paper-based sensor chip for rapid detection of bacterial cells.

Biosensors & bioelectronics 2018 Khan MS, Misra SK, Dighe K, Wang Z 等 7 人

尽管细菌检测芯片已有进展,但单一芯片同时满足低检出限、快速响应、高重现性和良好货架寿命仍困难。本文报道一种电响应-热响应(ER-TR)纸基传感器芯片,以滤纸为基底,旋涂聚(N-异丙基丙烯酰胺)(PNIPAm)-石墨烯纳米片(GR)复合层,并通过掩模蒸发制备金互指微电极(IDµE)。该芯片可实时捕获革兰阴性大肠杆菌(E. coli)和...

Detection of early stage prostate cancer by using a simple carbon nanotube@paper biosensor.

Biosensors & bioelectronics 2018 Ji S, Lee M, Kim D

本研究开发一种廉价、简单且灵敏的纸基生物传感器,用于前列腺癌早期筛查。以多壁碳纳米管(MWCNTs,直径约20 nm、长度约5 μm)和微孔滤纸(孔径0.45 μm)为基础,通过EDC/NHSS将前列腺特异性抗原(PSA)单克隆抗体共价偶联到经硝酸氧化羧基化的MWCNTs表面,并将活化MWCNTs沉积于滤纸上形成传感元件。PSA与固...