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Fulleropeptide esters as potential self-assembled antioxidants

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2015
1748.pdf (2.194Mb)
Authors
Bjelaković, Mira
Kop, Tatjana
Dordevic, Jelena
Milić, Dragana
Article (Published version)
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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 pi-electronic system over the C-60 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 C-60 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.
Keywords:
antioxidant activity / cyclic voltammetry / FOX assay / fulleropeptide esters / scanning electron microscopy
Source:
Beilstein Journal of Nanotechnology, 2015, 6, 1065-1071
Publisher:
  • Beilstein-Institut, Frankfurt Am Main
Projects:
  • Design, synthesis and investigations of fullerene based nanomolecular machines (RS-172002)

DOI: 10.3762/bjnano.6.107

ISSN: 2190-4286

PubMed: 26171283

WoS: 000353467500001

Scopus: 2-s2.0-84933054451
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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/1750
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