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자연과학대학
화학·나노과학전공
Journal papers
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Amyloid Fibers Increase Free Radicals of Synthetic Melanin
Title
Amyloid Fibers Increase Free Radicals of Synthetic Melanin
Authors
Ha D.
;
Lee J.H.
;
Jeon H.
;
Kang Y.J.
;
Jeon J.
;
Lee T.H.
;
Hong S.
;
Kim Y.-K.
;
Kang K.
Ewha Authors
홍승우
SCOPUS Author ID
홍승우
Issue Date
2023
Journal Title
ACS Applied Materials and Interfaces
ISSN
1944-8244
Citation
ACS Applied Materials and Interfaces vol. 15, no. 32, pp. 38335 - 38345
Keywords
cytoprotection
;
functional amyloids
;
melanins
;
radical scavenging
;
water remediation
Publisher
American Chemical Society
Indexed
SCIE; SCOPUS
Document Type
Article
Abstract
Functional amyloid fibers are crucial in melanogenesis, but their roles are incompletely understood. In particular, their relationship with intrinsic spin characters of melanin remains unexplored. Here, we show that adding an amyloid scaffold greatly augments the spin density in synthetic melanin. It also brings about concurrent alterations in water dispersibility, bandgaps, and radical scavenging properties of the synthetic melanin, which facilitates its applications in solar water remediation and protection of human keratinocytes from UV irradiation. This work provides implications in the unrevealed role of functional amyloid in melanogenesis and in the origin of the superiority of natural melanin toward its synthetic variants in terms of the spin-related properties. © 2023 American Chemical Society.
DOI
10.1021/acsami.3c07909
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