Geogaceta, 2023 Los xenolitos granulíticos del volcán de La Encomienda (Campo Volcánico de Calatrava) representan un conjunto de composición félsica peralumínica.
David Orejana García +2 more
doaj +1 more source
Mineral Phosphate Solubilization in Burkholderia tropica Involves an Inducible PQQ-Glucose Dehydrogenase [PDF]
, 2016 Aims: The objective of this work was to provide knowledgement about the mechanism and regulation of the mineral phosphate solubilization in Burkholderia. tropica. To this end, the expression of the direct extracellular oxidative pathway in B. tropica was
Bernabeu, Pamela Romina +6 more
core +2 more sources
ESTUDO DE SÍNTESE E TRANSIÇÃO ENTRE AS FASES ZEOLÍTICAS SODALITA E CANCRINITA
Holos, 2014 Para a síntese hidrotermal das zeólitas foi utilizado como fonte de alumínio e de silício o caulim da região Borborema-Seridó (RN/PB) in natura e tratado termicamente a 500, 700 e 900 °C por 2 horas.
Fernanda Arruda Nogueira Gomes Silva +6 more
doaj +1 more source
Negligible effects of tryptophan on the aflatoxin adsorption of sodium bentonite [PDF]
, 2014 The main objective of this study was to determine if the competitive adsorption of tryptophan (Trp) and aflatoxin B1 (AFB1) could potentially affect the ability of a sodium bentonite (NaB) to prevent aflatoxicosis in monogastric animals.
Chiacchiera, Stella Maris +5 more
core +1 more source
A computational study of the potential bioactivity of hibiscus and garcinia acids against SARS-CoV-2 [PDF]
Journal of the Serbian Chemical SocietyA computational chemical study was conducted on the diastereoisomers of hibiscus acid (HA) and garcinia acid (GA), investigating their docking capabilities with the main protease (6LU7) of SARS-CoV-2.
López-Orozco Wendolyne +3 more
doaj +1 more source
Effect of pH and nanoclay content on the morphology and physicochemicalproperties of soy protein/montmorillonite nanocomposite obtained byextrusion [PDF]
, 2018 The present work attempts to clarify the influence of montmorillonite nanoclay content and pH on the me-chanical properties of extruded soy protein nanocomposites.
Félix Ángel, Manuel +4 more
core +1 more source
Anais da Academia Brasileira de Ciências, 2007 Gahnite electron probe microanalyses from three pegmatites (Mirador, Capoeira and Quintos) of the Borborema Pegmatitic Province in northeastern Brazil allowed to determine molar compositions ranging from 86.22 to 95.41 mol% gahnite (ZnAl2O4), 1.51 to 6 ...
Dwight R. Soares +3 more
doaj +1 more source
Hydrophilic hypercrosslinked polymeric sorbents for the solid-phase extraction of polar contaminants from water [PDF]
, 2010 Three new hypercrosslinked polymers with hydrophilic character arising from hydroxyl moieties in their skeletons have been prepared in microsphere format and applied to the off-line solid-phase extraction (SPE) of polar compounds from water samples.
Borrull, F. +5 more
core +1 more source
Survey on the chemical composition of several tropical wood species [PDF]
, 2019 Variability in the chemical composition of 614 species is described in a database containing measurements of wood polymers (cellulose, lignin and pentosan), as well as overall extraneous components (ethanol-benzene, or hot water extracts and ash, with a ...
Gérard, Jean +2 more
core +3 more sources
Optimización de parámetros para la extracción de elementos desde minerales en medios ácido [PDF]
, 2020 [SPA] Esta tesis doctoral se presenta bajo la modalidad de compendio de publicaciones. Actualmente, la gran minería del cobre chilena se encuentra frente a nuevos problemas y desafíos a superar.
Toro Villarroel, Norman Rodrigo
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