In addition, the polyplexes exhibited an increasing trend in size and PDI value after DTT treatment because polyplexes formed by low-MW cationic polymers tend to aggregate rapidly. 12 , 18 Efficient cellular uptake is the first step for gene transfection.
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Reducible chimeric polypeptide consisting of octa-D-arginine and tetra-L-histidine peptides as an efficient gene delivery vector.
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