Study Data from Changzhi Medical College Update Knowledge of Biosensors (A Label-free and Ultrasensitive Electrochemical Biosensor Using Hybrid Polypyrrole/gold Nanoelectrocatalyst Mediated Signal Amplification for the Detection of Mirna-21).

A recent study conducted at Changzhi Medical College in the People's Republic of China has developed an ultrasensitive electrochemical biosensor for detecting miRNA-21, a crucial biomarker for cancer diagnosis. The biosensor utilizes a hybrid polypyrrole/gold nanoelectrocatalyst for signal amplification, demonstrating a wide linear range and low detection limit. The research highlights the potential of this biosensor for accurate and selective detection of miRNA-21, showcasing promising applications in biotechnology and nanotechnology. For more information, readers can refer to the published article in Analytical Methods. [Extracted from the article]