Results 21 to 30 of about 2,934,698 (310)

Recent Advances in Characterization of Melanin Pigments in Biological Samples

open access: yesInternational Journal of Molecular Sciences, 2023
The melanin pigments eumelanin (EM) and pheomelanin (PM), which are dark brown to black and yellow to reddish-brown, respectively, are widely found among vertebrates. They are produced in melanocytes in the epidermis, hair follicles, the choroid, the iris, the inner ear, and other tissues.
Kazumasa Wakamatsu, Shosuke Ito
openaire   +2 more sources

Species-Specific Traits Rather Than Resource Partitioning Mediate Diversity Effects on Resource Use [PDF]

open access: yes, 2009
Background: The link between biodiversity and ecosystem processes has firmly been established, but the mechanisms underpinning this relationship are poorly documented.
Rosenberg, Rutger   +6 more
core   +2 more sources

Pseudomonas aeruginosa’s greenish-blue pigment pyocyanin: its production and biological activities

open access: yesMicrobial Cell Factories, 2023
A subject of great interest is the bioprospecting of microorganisms and their bioactive byproducts, such as pigments. Microbial pigments have various benefits, including being safe to use due to their natural makeup, having therapeutic effects, and being
Ahmed A. Abdelaziz   +3 more
doaj   +1 more source

Bio-Preparation and Regulation of Pyrrole Structure Nano-Pigment Based on Biomimetic Membrane

open access: yesNanomaterials, 2019
Microbial pigments, regarded as the most potential biomass pigments, have lately attracted increasing attention in textile dyeing due to their sustainability and cleaner production.
Jixian Gong   +5 more
doaj   +1 more source

METHODS FOR REMOVING PIGMENTS FROM WASTE WATER

open access: yesИзвестия Томского политехнического университета: Инжиниринг георесурсов, 2021
Relevance. Dyes and pigments are natural and xenobiotic compounds that are widely used in various fields of human activity due to their ability to impart color to objects.
Mohammed Q. Gubari   +3 more
doaj   +1 more source

Micrococcus lylae MW407006 Pigment: Production, Optimization, Nano-Pigment Synthesis, and Biological Activities

open access: yesBiology, 2022
Bacterial pigments (e.g., melanin and carotenoids) are considered to be among the most important secondary metabolites due to their various pharmacological activities against cancer and microbial resistance. Different pigmented bacterial strains were isolated from soil samples from El Mahmoudiyah governance and screened for their antimicrobial activity.
Yahya H. Shahin   +3 more
openaire   +3 more sources

Colour performance of ceramic nano-pigments [PDF]

open access: yes, 2009
Ceramic nano-pigments have been recently developed for ink-jet printing decoration of ceramic tiles by the quadrichromy technology (cyan, magenta, yellow, and black colours).
Guarini, Guia   +9 more
core   +1 more source

Fungal Pigments and Their Roles Associated with Human Health

open access: yesJournal of Fungi, 2020
Fungi can produce myriad secondary metabolites, including pigments. Some of these pigments play a positive role in human welfare while others are detrimental.
Lan Lin, Jianping Xu
doaj   +1 more source

TECHNOLOGICAL AND BIOLOGICAL STUDIES ON RED PIGMENTS IN RED BOUGAINVILLEA AND MATHIOLA. [PDF]

open access: yesJournal of Productivity and Development, 2017
The natural pigments considered the more safety in public health as natural colorants in food instead of the harmful synthetic colorants in this study, red Anthocyanins pigments were extracted from red bougainvillea (Bougainvillea commerson ex) and ...
Mmdouh Azzazy   +2 more
doaj   +1 more source

Evaluation of the biochemical composition and antioxidant activity of preparation based on pigments extracted from the remaining biomass of Arthrospira platensis

open access: yesJournal of Biological Research, 2023
Biotechnological research is currently focused on obtaining preparations based on natural pigments due to their properties and positive impact on human and animal health.
Alina Beșliu   +4 more
doaj   +1 more source

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