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Fig. 1 | Journal of Nanobiotechnology

Fig. 1

From: Gelatin–chlorin e6 conjugate for in vivo photodynamic therapy

Fig. 1

Synthesis and characterization of gelatin–conjugated chlorin e6 (gelatin–Ce6). a The scheme of gelatin–Ce6 synthesis. b The amount of gelatin–Ce6 added for synthesis and conjugated to gelatin. c Size distribution of gelatin–Ce6-2 and 8. d Transmission electron microscopy (TEM) images of gelatin–Ce6-2 and gelatin–Ce6-8. Scale bar = 100 nm. e The stability test of free Ce6 (left), gelatin–Ce6 (center), and gelatin–Ce6-8 (right) in PBS (pH 7.4) at 10 mg/mL Ce6. f Singlet oxygen generation from free Ce6, gelatin–Ce6-2, and gelatin–Ce6-8 with laser irradiation (n = 4)

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