Results 41 to 50 of about 6,515 (197)

Sinterização a laser do aluminato de estrôncio dopado via sol-gel modificado para aplicação como pigmento cerâmico

, 2017
Powder of Dy3+ co-doped SrAl2O4:Eu 3+ was produced via proteic sol-gel method, a modified sol-gel route which allows the formation of oxides at lower temperatures than other methods.
F. Soares, M. E. Valerio
semanticscholar   +1 more source

Pigment variations induced by the oxygen level of the medium in a marine bacterium alteromonas sp. (strain cect 4800)

Ciencias Marinas, 2000
A red-pigmented bacterial strain was isolated from indoor cultures of the marine microalga Tetraselmis suecica Butcher (Prasynophyceae) and identified as belonging to the genus Alteromonas (strain CECT 4800). Pigment composition was analyzed by means of
MA González-Valle, O Montero, I Moreno-Garrido, LM Lubian   +3 more
doaj   +1 more source

Elevation shapes alpine snow algal blooms and their influence on albedo reduction

New Phytologist, Volume 251, Issue 5, Page 2482-2496, September 2026.
Graphical summary of elevational trends in Sanguina‐dominated snow algal blooms. Increasing elevation was associated with larger cells, lower Chla content per cell, higher astaxanthin ratios, lower snow water content, and reduced cell‐normalized albedo, whereas algal cell density showed no consistent elevational trend.
Pablo Almela, Scott Hotaling, J. Joseph Giersch, Helena C. L. Klip, James J. Elser, Trinity L. Hamilton   +5 more
wiley   +1 more source

Avaliação da densidade de pigmento macular e a sua relação com fatores de risco para a Degenerescência macular ligada à idade (DMLI)

Vision Pan-America, 2016
Objetivo: Correlacionar a densidade de pigmento macular em indivíduos sem patologia ocular com fatores de risco para a DMLI Desenho do estudo: Estudo transversal.
Nadine Sousa Marques, Ana Filipa Miranda, Sandra Barros, João Cardoso, Sónia Parreira, Nelvia Donaire, Nuno Campos   +6 more
doaj   +1 more source

Repositories of biocultural diversity: Toward best practices for empowering ethnobotany in digital herbaria

PLANTS, PEOPLE, PLANET, Volume 8, Issue 4, Page 1095-1103, July 2026.
Societal Impact Statement As herbaria digitize millions of plant specimens, ethnobotanical information associated with them is becoming increasingly accessible. These biocultural data include plant uses, names, and/or management practices of Indigenous Peoples and Local Communities (IPLCs).
Robbie Hart, Viviane Fonseca‐Kruel, Eduardo Dalcin, Estevão da Silva Luís Alexandre, Matthew Pace, Michaela Schmull, Leonardo Beltran‐Rodríguez, Miguel Murguía‐Romero, Diana G. Flores‐Camargo, Cristina Mapes‐Sánchez, Mark Nesbitt, Carolina Romero, Andrew Townesmith, Jan Salick, Alex McAlvay, Kenneth R. Otero‐Walker, Michael J. Balick, Jacob Golan, Bruce Hoffman, Kelsey Leonard, Giulia Mattalia, Guillaume Odonne, Aurora Prehn, Ina Vandebroek   +23 more
wiley   +1 more source

Síntese de pigmento cerâmico verde com base na estrutura cristalina da wollastonita Synthesis of ceramic green pigment based on the wollastonite crystal structure

, 2016
RESUMO Na industria cerâmica de revestimento a cor e um parâmetro de grande importância no desenvolvimento de produtos. O aspecto visual da peca cerâmica e seu valor de mercado sao influenciados por parâmetros como tonalidade, brilho e intensidade de cor.
G. B. Albuquerque, Schimitt Ballmann, M. V. Folgueras, S. R. Prim   +3 more
semanticscholar   +1 more source

FABRICACIÓN DEL PIGMENTO CERÁMICO ZnCr2O4 TIPO ESPINELA POR MÉTODOS NO CONVENCIONALES

Revista Colombiana de Materiales, 2014
En este trabajo se sintetizó el pigmento cerámico con estructura espinela ZnCr2O4 por los métodos no convencionales de autocombustión, coprecipitación asistida por ultrasonido, reacción en micelas normales y molienda de alta energía.
L. Jaramillo, J. Montoya, E. Chavarriaga, J. Restrepo, O. Restrepo   +4 more
semanticscholar   +1 more source

Epidermal Nevi and Epidermal Naevus Syndromes

JEADV Clinical Practice, Volume 4, Issue 3, Page 669-680, August 2025.
ABSTRACT Epidermal nevi (EN) arise from postzygotic variants in ectoderm‐derived cell lines, such as keratinocytes and cells forming adnexa. EN may be present alone without any associated abnormality or be part of a syndrome. In this review, we will discuss about the clinical and genetics of the main types of EN and related syndromes.
Gianluca Tadini, Beatrice Carcano, Michela Brena   +2 more
wiley   +1 more source

Evaluation of marking efficiency of different alizarin red S concentrations on body fish structures in Oreochromis niloticus (Perciformes: Cichlidae) juveniles

Revista de Biología Tropical, 2013
The use of alizarin red S (ARS) marked tilapias could provide valuable fisheries management information to evaluate fish stocking events and may facilitate aquaculture management practices.
Ana L. Ibáñez, Antonio Rodríguez-Canto, Jasmín Cortés-Martínez, José L. García-Calderón   +3 more
doaj   +2 more sources

Quando a cor é um problema: reação ao pigmento vermelho de tatuagem. Um relato de caso

Revista Portuguesa de Medicina Geral e Familiar, 2017
A arte corporal, incluindo a tatuagem, é uma prática ancestral cada vez mais popular no mundo contemporâneo. Apesar do crescente interesse por esta técnica de embelezamento, há que estar alerta sobre os riscos passíveis de ocorrerem com a sua execução ...
Joana Carneiro, Ana Calafate, Ana Menezes   +2 more
doaj   +1 more source