1 条结果 关键词:PEG抗污表面 ×

PEG Functionalization of Whispering Gallery Mode Optical Microresonator Biosensors to Minimize Non-Specific Adsorption during Targeted, Label-Free Sensing.

Sensors (Basel, Switzerland) 2015 Wang F, Anderson M, Bernards MT, Hunt HK

whispering gallery mode (WGM) 光学微谐振器生物传感器可在极低浓度下实现目标分析物的无标签检测,但在复杂环境中非特异性吸附会显著降低信噪比。本文提出一种通用策略,将聚乙二醇(PEG)抗污元件与识别元件共同引入 WGM 光学生物传感器表面,在降低非特异性吸附的同时保持高灵敏度。作者以生物素–亲和素识别体系为...