Related Experiment Video
Updated: Dec 15, 2025

A Novel Technique for Generating and Observing Chemiluminescence in a Biological Setting
Published on: March 9, 2017
Intense electrochemiluminescence from an organic microcrystal accelerated H2O2-free luminol system for microRNA
Li Wang1, Ming-Hui Jiang, Ya-Qin Chai
1Chongqing Engineering Laboratory of Nanomaterials & Sensor Technologies, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, China. yingzhuo@swu.edu.cn.
Abstract:
A kind of organic microcrystal, 9,10-diphenylanthracene microcrystals (DPA MCs), was developed as a novel electrochemiluminescence (ECL) coreactant accelerator to efficiently catalyze dissolved O2 for more reactive oxygen species (ROSs) generation, achieving intense ECL for a H2O2-free luminol system. Moreover, based on this ternary ECL system, a signal "off-on" ECL biosensor for microRNA-21 (miRNA-21) detection was constructed combining a sensitive target recycling amplification strategy and an enzyme-mediated recycling strand displacement reaction (RSDR).

