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Degradation of OTMCS-PEI-R13.
Notes: The polymer was dissolved in 0.1 M phosphate-buffered saline (pH 7.4) and incubated at 37°C and 100 rpm. Determination of MW was measured by gel permeation chromatography with multiangle laser light scattering (n=3).
Abbreviations: OTMCS, N-octyl-N-quaternary chitosan; PEI, polyethylenimine; R13, RGDC-TAT (49–57); MW, molecular weight.
