An ultrasensitive electrochemiluminescence biosensor for multiple detection of microRNAs based on a novel dual circuit catalyzed hairpin assembly

Abstract
A novel double-hairpin DNA inducing a dual circuit catalyzed hairpin assembly (DC-CHA) strategy was proposed to fabricate electrochemiluminescence (ECL) biosensors for multiple target (microRNA-21 and microRNA-155) ultrasensitive detection.
Funding Information
  • National Natural Science Foundation of China (21575116, 21675129, 51473136, 21775124, 21804110)
  • Chongqing Postdoctoral Science Foundation (Xm2017016)