Polyethylene Glycol-Coated Gold Nanoparticles as DNA and Atorvastatin Delivery Systems and Cytotoxicity Evaluation
Optical characterization of the gold nanoparticles and stability test. (a) UV-visible absorption spectra of 40 nm AuNPs and AuNP-PEG. (b) UV-vis absorption spectra of AuNPs and (c) AuNP-PEG at different pH.
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