Journal of fluorescence
Dual-Fluorescence Ratiometric Aptasensor Using Structure-Switching Aptamer Modified With 2-Aminopurine for Detecting Ochratoxin A.
Weihui Huang, Jidong Tang, Wenjin Ma, Xiaoqi Tao
Published: 202510.1007/s10895-025-04654-8
Abstract
Structure-switching aptamers (SSAs) generate measurable signals through target-induced conformational changes, serving as sensitive molecular recognition elements. We developed a dual-fluorescence SSA for ochratoxin A (OTA) detection by inserting 2-a…
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