Tracking the melanogenic pathway to unravel the functional role of melanins: the bottom-up approach
, 2023 Investigation of the structural features of melanins, both the dark eumelanins and the reddish brown variants pheomelanins, has ever represented a formidable challenge because of the minute amounts occurring in the natural sources, the molecular ...
A. Napolitano
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, 1998 The relationship of polyketide melanogenesis molecular biology to that of nonmelanin-producing pathways in a wide range of fungi and other organisms is discussed. Analytical methods and fundamental properties of melanins are discussed and fungal melanin
M J Butler, A W Day
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Studying grain color diversity in the barley collection of VIR
Труды по прикладной ботанике, генетике и селекции, 2022 Background. Dark color of barley grain (Hordeum vulgare L.) can be caused by the synthesis and accumulation of two types of polyphenolic pigments – anthocyanins and melanins, which perform important functions in plant life, participating in the ...
A. Y. Glagoleva +4 more
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Photoelectronic properties of synthetic melanins
, 1996 Melanins are ubiquitous natural pigments, formed by oxidation and polymerization of catechols, whose absorption spectra increase monotonically from 700 to 250 nm.
M. A. Rosei, MOSCA, Luciana, F. Galluzzi
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Ultraviolet radiation and melanogenesis [PDF]
Archive of Oncology, 2004 Light radiation is a part of the electromagnetic radiation, and it consists of the ultraviolet (UV) radiation, visible light, and infrared radiation.
Stanojević Milenko R. +3 more
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Differential Antifungal Activity of Human and Cryptococcal Melanins with Structural Discrepancies
Frontiers in Microbiology, 2017 Melanin is a pigment found in all biological kingdoms, and plays a key role in protection against ultraviolet radiation, oxidizing agents, and ionizing radiation damage. Melanin exerts an antimicrobial activity against bacteria, fungi, and parasites.
Néstor Correa +12 more
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Properties, various functions and application of bacterial melanins – some properties and possible application of melanin produced by Azotobacter chroococcum [PDF]
, 2023 Melanins are a group of macromolecular pigments formed as a result of oxidative polymerization of phenolic and indole compounds. They are considered the most common, heterogeneous, resistant and evolutionarily oldest pigments found in nature.
Kozieł, Monika
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Physical Studies on Melanins II. X-Ray Diffraction [PDF]
, 1969 A number of purified natural and synthetic melanins have been examined by X-ray diffraction. A consistent finding with all samples was the lack of structure in the diffraction pattern corresponding to any significant crystallinity in these melanin ...
Thathachari, Y.T., Blois, M.S.
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Melaninas quimicamente modificadas: preparação, caracterização, citotoxicidade, atividade antioxidante e interação com espécies catiônicas [PDF]
, 2015 Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Química, Florianópolis, 2015.Melaninas são bio-oligômeros de ocorrência natural que podem ser encontradas na pele, no cabelo,
Costa, Thiago Guimarães
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METAL REDUCTION REACTIONS OF THE MELANINS: HISTOCHEMICAL STUDIES
, 1957 In general the melanins are argentaffin and, except in hair cortex, reduce ferric ferricyanide. Cutaneous and ocular melanins reduce acid silver nitrate, more promptly in guinea pigs than in man and rhesus monkeys.
R. D. LILLIE
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