A Dual Signal Ratio Electrochemical Sensor Based on DNA Tetrahedrons and Bimetallic Nanocomposites for AFB1 Analysis.
Given the hepatotoxicity and widespread contamination of Aflatoxin B1 (AFB1), developing ultra-sensitive, anti-interference analytical platforms is paramount for public health. Herein, a dual signal ratio electrochemical sensing platform for accurate AFB1 analysis was constructed integrating DNA tetrahedrons (TNDA), a...