A Turn-On Fluorescent Sensor for Glutathione Based on Bovine Serum Albumin-Stabilized Gold Nanoclusters

Figure 1

Fluorescence emission spectra of AuNCs-BSA in the absence (a) and presence of Cu²⁺ (f). Fluorescence recovery from the quenched AuNCs-BSA by adding of GSH (b), cysteine (c), glycine (d), and glutamic acid (e).