One-step sensitive thrombin detection based on a nanofibrous sensing platform
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Updated: Jan 21, 2026

A High Performance Impedance-based Platform for Evaporation Rate Detection
Published on: October 17, 2016
Xiaoling Li1, Yuyang Wu1, Jingjing Niu1
1College of Chemistry, Sichuan University, Chengdu 610064, P. R. China. zcs@scu.edu.cn.
Abstract:
Convenient and time-saving one-step strategies for detecting ultralow concentrations of protein biomarkers play key roles in rapid disease diagnosis. In this study, we report a one-step detection method based on a nanofibrous sensing platform via the combination of proximity-induced DNA strand displacement (PiDSD), catalytic hairpin assembly (CHA) amplification and thioflavin T (ThT) binding. The interface behaviors on the nanofibrous membrane were studied to promote interface reaction kinetics and thermodynamics. Thrombin was used as a model biomarker, and the nanofibrous sensing platform achieved a limit of detection as low as 1.0 pM, a wide linear range of 50 pM to 5 nM, excellent specificity and good long-term stability. Compared with previous one-step thrombin detection methods, our one-step detection method is label-free, convenient and much more sensitive; it has potential applications for protein detection in point-to-care testing (POCT) and early diagnosis.
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