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Bioassays and Biosensors for Rapid Detection and Analysis
The monitoring of sulfadiazine (SDZ) is of great significance for food safety, environmental
protection, and human health. In this study, a fluorescent aptasensor based on MnO2 and FAMlabeled SDZ aptamer (FAM-SDZ30-1) was developed for the sensitive and selective detection of SDZ
in food and environmental samples. MnO2 nanosheets adsorbed rapidly to the aptamer through
its electrostatic interaction with the base, providing the basis for an ultrasensitive SDZ detection.
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