Buscar
Mostrando ítems 1-10 de 1841
Sol-gel synthesis and characterization of Fe(2)O(3) center dot CeO(2) doped with Pr ceramic pigments
(Springer, 2008-07-01)
Undoped x center dot alpha-Fe(2)O(3) y center dot CeO(2) and doped with praseodymium ceramic pigments were obtained by the sol-gel method after heat treatment at 800 degrees C for 2 h. These pigments were characterized by ...
Pigments based on Cr and Sb doped TiO2 prepared by microemulsion-mediated solvothermal synthesis for inkjet printing on ceramics
(Elsevier B.V., 2015-05-01)
A ceramic pigment with nominal composition Ti0.97Cr0.015Sb0.015O2 was prepared by microemulsion-mediated solvothermal method at 180 degrees C. Anatase or rutile single phase was obtained depending on the synthesis conditions. ...
Lipopolysaccharides induce changes in the visceral pigmentation of Eupemphix nattereri (Anura: Leiuperidae)
(Elsevier Gmbh, Urban & Fischer Verlag, 2011-10-01)
Amphibians have an extracutaneous pigmentary system composed of melanin-containing cells in various tissues and organs. The functional role of these pigment cells in visceral organs has not yet been determined, although ...
UV-B affects the immune system and promotes nuclear abnormalities in pigmented and non-pigmented bullfrog tadpoles
(2018-03-01)
Ultra-Violet (UV) radiation is a stressor of the immune system and causes DNA damage. Leukocytes can change in response to environmental changes in anurans, making them an important biomarker of stressful situations. The ...
Visceral Pigmentation in Three Species of the Genus Scinax (Anura: Hylidae): Distinct Morphological Pattern
(Wiley-Blackwell, 2012-02-01)
Amphibians share with other ectothermic vertebrates an extracutaneous pigmentary system consisting of melanin-containing cells in various organs and tissues. We describe the interspecific variation in the visceral pigmentation ...
Effect of Disinfection and Accelerated Aging on Color Stability of Colorless and Pigmented Facial Silicone
(Wiley-Blackwell, 2011-06-01)
Purpose: The aim of this study was to evaluate the color stability of a facial silicone with different pigmentations submitted to disinfection and accelerated aging.Materials and Methods: Sixty replicas were fabricated ...
Pigment bioproduction by Monascus purpureus using corn bran, a byproduct of the corn industry
(2021-03-01)
Monascus purpureus is an ascomycete known for decades for producing several metabolites of commercial interest. The objective of this work was to optimize the production of pigments of M. purpureus using submerged fermentation ...
Fisiopatologia do melasma
(Soc Brasileira Dermatologia, 2009-11-01)
Melasma is a common dermatosis that involves changes in normal skin pigmentation, resulting from the hyperactivity of epidermal melanocytes. The consequent hyperpigmentation is mostly induced by ultraviolet radiation.Clinically, ...
Phylogenetic signal and variation of visceral pigmentation in eight anuran families
(Wiley-Blackwell, 2012-11-01)
Provete, D. B, Franco-Belussi, L., de Souza Santos, L. R., Zieri, R., Moresco, R. M., Martins, I. A., de Almeida, S. C., & de Oliveira, C. (2012). Phylogenetic signal and variation of visceral pigmentation in eight anuran ...