Results 11 to 20 of about 6,853 (289)

Fungal melanins differ in planar stacking distances. [PDF]

open access: yesPLoS ONE, 2012
Melanins are notoriously difficult to study because they are amorphous, insoluble and often associated with other biological materials. Consequently, there is a dearth of structural techniques to study this enigmatic pigment.
Arturo Casadevall   +3 more
doaj   +2 more sources

Chaga extracts and melanins after plasma treatment of raw material

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2019
The extracts and melanins of chaga (Inonotus obliquus (Pers.) Pil.) obtained by raw material pretreatment with high-frequency capacitive low-pressure plasma (RF-plasma) under different technological conditions were studied.
O.Yu. Kuznetsova   +3 more
doaj   +2 more sources

Melanins of Inonotus Obliquus: Bifidogenic and Antioxidant Properties

open access: yesBiomolecules, 2019
Extracts and melanins from Inonotus obliquus are widely used in medicine due to their high antioxidant properties. This study is dedicated to define the influence of the physicochemical and antioxidant properties of Inonotus obliquus melanins and their ...
Marina A. Burmasova   +3 more
doaj   +2 more sources

Investigation of Inonotus obliquus (Pers.) Pil. Extracts and Melanins after RF-plasma Treatment of Raw Material [PDF]

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2016
High-frequency capacitive discharge (RF plasma) at low pressure was used as preliminary stage for the intensification of extraction from natural medicinal raw material.
O.Yu. Kuznetsova   +4 more
doaj   +1 more source

Melanins as Sustainable Resources for Advanced Biotechnological Applications [PDF]

open access: yesGlobal Challenges, 2021
Melanins are a class of biopolymers that are widespread in nature and have diverse origins, chemical compositions, and functions. Their chemical, electrical, optical, and paramagnetic properties offer opportunities for applications in materials science ...
Hanaa A. Galeb   +8 more
doaj   +2 more sources

Fungal Melanins and Applications in Healthcare, Bioremediation and Industry

open access: yesJournal of Fungi, 2021
Melanin is a complex multifunctional pigment found in all kingdoms of life, including fungi. The complex chemical structure of fungal melanins, yet to be fully elucidated, lends them multiple unique functions ranging from radioprotection and antioxidant ...
Ellie Rose Mattoon   +2 more
doaj   +2 more sources

Differential Antifungal Activity of Human and Cryptococcal Melanins with Structural Discrepancies [PDF]

open access: yesFrontiers 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
doaj   +2 more sources

Fungal Melanins and their Potential Applications: A Review

open access: yesBioResources, 2023
Melanins are complex molecules found in many organisms including bacteria, fungi, plants, and animals that have protective functions against stress. In fungi there are several biochemical routes for their synthesis, and their diversity and structural ...
Sac N. Salgado-Castillo   +6 more
doaj   +7 more sources

A Straightforward Access to New Amides of the Melanin Precursor 5,6-Dihydroxyindole-2-carboxylic Acid and Characterization of the Properties of the Pigments Thereof

open access: yesMolecules, 2022
We report herein an optimized procedure for preparation of carboxamides of 5,6-dihydroxyindole-2-carboxylic acid (DHICA), the main biosynthetic precursor of the skin photoprotective agents melanins, to get access to pigments with more favorable ...
Rita Argenziano   +3 more
doaj   +1 more source

Research on the antiviral activity of water-soluble melanin from the pharmaceutical chaga mushroom (Inonotus obliquus) against influenza А virus subtypes H5N1, H3N2 and H1N1pdm09 in experiments in vitro

open access: yesЖурнал микробиологии, эпидемиологии и иммунобиологии, 2023
Introduction. Influenza A virus is the cause of epidemics and pandemics that severely affect the health and socioeconomic status of the world's population.
Ekaterina I. Filippova   +5 more
doaj   +1 more source

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