Figure 4
From: Fluorescence dynamics of the biosynthesized CdSe quantum dots in Candida utilis

Photobleaching process exposed to different selenium contents, and the bi-exponentials (I = a 1 exp[−t/τ 1 ] + a 2 exp[−t/τ 2 ]) fitted line. The red line represents the fitted data and the dark line represents experiment values. (a) Se1Cd2, (b) Se2Cd2, (c) Se3Cd2, (d) Se4Cd2, (e) Se5Cd2.