Abstract
Biocompatible onions: Different composites of carbon nano-onions (CNOs) and poly(4-vinylpyridine-co-styrene) (PVPS) or poly(ethylene glycol)/polysorbate 20 (PEG-P20) were prepared by non-covalent modification. Attachment creates the charged CNO surface for further functionalization with 3-mercaptopropionic (MPA) or 2-mercapto-4-methyl-5-thiazoleacetic acids. Such hydrophilic CNO composites were an appropriate platform for electrostatic immobilization of polyphenolic compounds, such as quercetin (Q).
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