Fig. 3.
Protein transduction using the streptavidin based nano-carrier. a Schematic illustration of protein transduction using the streptavidin based nano-carrier. b (1) Effect of the conjugation ratio of R15 peptides to SA on the fluorescence intensity of HeLa cells after uptake of AF546-labeled SA–R15 complex. (2) Effects of the length of Rpep on the fluorescence intensity of HeLa cells after uptake of AF546-labeled Rpep itself ant SA–Rpep complex
(Figure reproduced with permission from: Ref. [61]. Copyright (2015) with permission from Elsevier)