DOI: 10.1039/d6ay00567e ISSN: 1759-9660
Nitrogen-doped carbon quantum dots for sequential “ON–OFF–ON” fluorescence detection of Ag
+
and
l
-cysteine in biological samples
Ke Xu, Qiongdan Zhang, Jianfeng Tang The construction of sensitive and selective analytical platforms for metal ions and biomarkers continues to be a prominent focus within analytical chemistry.