Articles with "eumelanin" as a keyword



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Probing the heterogeneous structure of eumelanin using ultrafast vibrational fingerprinting

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Published in 2020 at "Nature Communications"

DOI: 10.1038/s41467-020-18393-w

Abstract: Eumelanin is a brown-black biological pigment with sunscreen and radical scavenging functions important to numerous organisms. Eumelanin is also a promising redox-active material for energy conversion and storage, but the chemical structures present in this… read more here.

Keywords: vibrational fingerprinting; eumelanin; ultrafast vibrational; structure ... See more keywords
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Controlling ions and electrons in aqueous solution: an alternative point of view of the charge-transport behavior of eumelanin-inspired material

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Published in 2023 at "Journal of Materials Chemistry C"

DOI: 10.1039/d3tc00490b

Abstract: The possibility of current injection and transport in eumelanin films, humans' most common natural pigment, has fascinated physicists and materials scientists since the early '60s. Nowadays, it is accepted that... read more here.

Keywords: ions electrons; eumelanin; transport; controlling ions ... See more keywords
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The photoprotection mechanism in the black–brown pigment eumelanin

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Published in 2022 at "Proceedings of the National Academy of Sciences of the United States of America"

DOI: 10.1073/pnas.2212343119

Abstract: Significance The black–brown eumelanin pigment plays a major role in humans’ photoprotection against high-energy UV photons by dissipating radiation into heat before harmful radical reactions can damage tissue. Due to the high degree of the… read more here.

Keywords: pigment; eumelanin; photoprotection mechanism; black brown ... See more keywords
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Biomimetic manganese-eumelanin nanocomposites for combined hyperthermia-immunotherapy against prostate cancer

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Published in 2022 at "Journal of Nanobiotechnology"

DOI: 10.1186/s12951-022-01248-5

Abstract: Pro-tumoral and immunosuppressive M2-like tumor-associated macrophages (TAMs) contribute to tumor progression, recurrence and distal metastasis. However, current TAMs-modulating therapeutic strategies often encounter challenges including insufficient immune activation, weak antigen presentation ability and unsatisfactory antitumor immune… read more here.

Keywords: tumor; eumelanin; prostate cancer; combined hyperthermia ... See more keywords