Results 31 to 40 of about 343,086 (214)

Bioprocess of Microbial Melanin Production and Isolation

open access: yesFrontiers in Bioengineering and Biotechnology, 2021
Melanin is one of the most abundant pigments found in the biosphere. Owing to its high biocompatibility and diverse biological activities, it has been widely applied as a functional biomaterial in the cosmetic, pharmaceutical, biopolymer, and ...
Kwon-Young Choi, Kwon-Young Choi
doaj   +1 more source

Rational design of photofunctional dyes BODIPYs/aza-BODIPYs and applications for photocatalysis, photoelectric conversion and thermochromic materials

open access: yesResources Chemicals and Materials
4,4-Difluoro-4-bora-3a,4a-diaza-sindacene (BODIPY) is a sort of photofunctional dye which possesses advantages including strong light-capturing property, high photon-resistance, etc.
Dongxiang Zhang   +4 more
doaj   +1 more source

Síntesis de un pigmento rojo a partir de nanopartículas de oro

open access: yesBoletín de la Sociedad Española de Cerámica y Vidrio, 2012
A simple method of synthesising red pigments for ceramic glazes, based on gold nanoparticles protected by a refractory oxide capsule, was developed. Gold nanoparticles of an appropriate size were obtained by reaction in an aqueous medium between an Au ...
Agut, P., Palacios, M. D., Mestre, S.
doaj   +1 more source

Bioelectricity in Developmental Patterning and Size Control: Evidence and Genetically Encoded Tools in the Zebrafish Model

open access: yesCells, 2023
Developmental patterning is essential for regulating cellular events such as axial patterning, segmentation, tissue formation, and organ size determination during embryogenesis.
Martin R. Silic, GuangJun Zhang
doaj   +1 more source

Serotonin Receptors and Their Involvement in Melanization of Sensory Cells in Ciona intestinalis

open access: yesCells, 2023
Serotonin (5-hydroxytryptamine (5-HT)) is a biogenic monoamine with pleiotropic functions. It exerts its roles by binding to specific 5-HT receptors (5HTRs) classified into different families and subtypes.
Silvia Mercurio   +4 more
doaj   +1 more source

Preparation of a microsphere SiO2/TiO2 composite pigment: The mechanism of improving pigment properties by SiO2

open access: yes, 2020
© 2020 Elsevier Ltd and Techna Group S.r.l. In this study, a microsphere SiO2/TiO2 composite pigment (M-SiO2/TiO2) was prepared through a facile grinding and calcination process.
Hao, Q   +9 more
core   +1 more source

Transgenic mouse models for tumors of melanocytes and retinal pigment epithelium

open access: yes, 1999
Cutaneous and ocular melanomas are due to malignant transformation of neural crest-derived melanocytes. The rising incidence of this tumor in humans has stimulated experiments to devise suitable mouse models.
Hunziker, A., Beermann, F., Foletti, A.
core   +2 more sources

Crystallographic phase stability of nanocrystalline polymorphs TiO2 by tailoring hydrolysis pH

open access: yesSouth African Journal of Chemical Engineering
Nanocrystal TiO2 of high crystallinity (88.72 %) polymorphs have been synthesized by a unique simple route. At a low temperature under a measurable condition with differentiated hydrolysis pH of the reaction.
Md. Ashraful Alam   +3 more
doaj   +1 more source

Quality of virgin olive oil from territorial quality label «Les Garrigues» D.O. (Lleida. Spain) along the 1995/96 harvest

open access: yesGrasas y Aceites, 1998
The Garrigues territorial quality label (Les Garrigues D.O.) is located in the southern part of Lleida (Catalonian. Spain). The most oil produced in this D.O.
Mª José Motilva   +3 more
doaj   +1 more source

Isolation and Properties of the Bacterial Strain Janthinobacterium sp. SLB01

open access: yesMicroorganisms, 2022
Bacteria of the genus Janthinobacterium are widespread in soils and freshwater ecosystems and belong to the phylum Proteobacteria. The Janthinobacterium sp. SLB01 strain was isolated from diseased freshwater Lubomirskia baicalensis (Pallas, 1776) sponge,
Lubov Chernogor   +3 more
doaj   +1 more source

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