Abstract
The potential use of amphiphilic fullerene derivatives as a bionanomaterial was investigated by cyclic voltammetry (CV), scanning electron microscopy (SEM), and the ferrous ion oxidation–xylenol orange (FOX) method. Despite the disrupted delocalization of the π-electronic system over the C60 sphere, its antioxidant capacity remained high for all twelve derivatives. The compounds expressed up to two-fold and 5–12-fold better peroxide quenching capacity as compared to pristine C60 and standard antioxidant vitamin C, respectively. During precipitation and slow evaporation of the solvent, all compounds underwent spontaneous self-assembly giving ordered structures. The size and morphology of the resulting particles depend primarily on the sample concentration, and somewhat on the side chain structure.
Highlights
Their highly π-conjugated, spherically shaped, hydrophobic character and their unique physicochemical, electronic and magnetic properties make fullerenes attractive building blocks for chemical modifications, providing at the same time novel opportunities for developing diverse scientific fields, in materials science [1], supramolecular chemistry [2], and medicinal chemistry [3,4]
The potential use of amphiphilic fullerene derivatives as a bionanomaterial was investigated by cyclic voltammetry (CV), scanning electron microscopy (SEM), and the ferrous ion oxidation–xylenol orange (FOX) method
Cyclic voltammetry (CV) of fullerene derivatives plays a relevant role in the characterization of their electronic properties and potential applications [28]
Summary
Their highly π-conjugated, spherically shaped, hydrophobic character and their unique physicochemical, electronic and magnetic properties make fullerenes attractive building blocks for chemical modifications, providing at the same time novel opportunities for developing diverse scientific fields, in materials science [1], supramolecular chemistry [2], and medicinal chemistry [3,4]. In order to examine the influence of the peptide chain on the self-assembly properties, the aggregation behavior of the parent Fp–GABA ester 1 (the control compound without the peptide moiety) was included in this investigation.
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