Conjugates of a Photoactivated Rhodamine with Biopolymers for Cell Staining

Figure 4

HaCaT cells stained by conjugate “Chitosan-PFD” (conc. 2.2 mg/mL) (a), the mixture of PFD (conc. 5 μg/mL) and chitosan (2.2 μg/mL) (b), and PFD-NHS (conc. 5 μg/mL) and chitosan (2.2 μg/mL) (c) after photoactivation (image dimensions, 36 by 36 μm).

(a)

(b)

(c)