Fig. 2From: A label-free fluorescent biosensor based on specific aptamer-templated silver nanoclusters for the detection of tetracyclineA Impact of the buffer and pH on the fluorescence intensity of DNA-AgNCs. B Impact of Apt76:Ag+:NaBH4 molar ratio on the fluorescence intensity of DNA-AgNCs and fluorescence quenching efficiency with TET.Back to article page