Dynamic DNA self-assembly activated hemin-mimetic enzyme system for versatile fluorescent biosensing

•A dynamic DNA self-assembly activated hemin-mimetic enzymes system was developed for versatile fluorescent biosensing.•The biosensing strategy was simple, fast and versatile with high sensitivity and specificity for various analytes.•The proposed enzymes system is high-efficiency and enzyme-free signal transducer and a potential tool for biosensing application.