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PEG‐modified CS NPs with varying concentration and molecular weight of PEG
(a) Images of RES NPs formulation: RES‐RES in distilled water, FR1‐RES‐loaded PEG‐modified CS NPs and FR1‐FITC – RES‐loaded PEG‐modified CS NPs containing FITC, (b) TEM image of FR, (c) TEM image of FR1
