Results 61 to 70 of about 12,589 (198)
Estudo da dissolução oxidativa microbiológica de uma complexa amostra mineral contendo pirita (FeS2), Pirrotita (Fe1-xS) e Molibdenita (MoS2) Microbiological oxidative dissolution of a complex mineral sample containing pyrite (FeS2), pyrrotite (Fe1-xS) and molybdenite (MoS2) [PDF]
, 2007 This work aims to study the oxidation of a complex molybdenite mineral which contains pyrite and pyrrotite, by Acidithiobacillus ferrooxidans. This study was performed by respirometric essays and bioleaching in shake flasks.
Garcia Júnior, Oswaldo[UNESP] +8 more
core +1 more source
SeparationsSeparation techniques are employed to treat and preconcentrate samples. Preconcentration commonly employs adsorption due to the wide range of sorbents available. The biosorbent composite has emerged as a highly effective alternative, primarily due to its
Irma Pérez-Silva +4 more
doaj +1 more source
Benign by design: A paradigm shift in cosmetic ingredient development
International Journal of Cosmetic Science, EarlyView.Benign by design strategies enable the creation of biodegradable cosmetic ingredients, reducing environmental persistence while maintaining the intended biological activity. This work compiles design rules and tools to guide the development of more sustainable molecules for the cosmetics industry.
Sandra Mota +3 more
wiley +1 more source
BioengineeringIn the present work, a bienzymatic voltammetric biosensor is reported for the simultaneous quantification of glucose and cholesterol in flavored milk samples with a single device.
Jessica Torres-Gámez +3 more
doaj +1 more source
Crystal structure of 2-(2-aminophenyl)-1,3-benzoxazole
Acta Crystallographica Section E: Crystallographic Communications, 2015 Crystals of the title compound, C13H10N2O, were grown from a dichloromethane/ketone/methanol solvent mixture. It crystallizes with two molecules, A and B, in the asymmetric unit with very similar almost planar conformations [dihedral angles between the ...
Imelda Pérez-Pérez +3 more
doaj +1 more source
International Endodontic Journal, EarlyView.ABSTRACT Aim The aim was to characterize the taxonomic and functional composition of the microbiome involved in primary endodontic infections and to evaluate their association with the periapical lesion size using shotgun metagenomic sequencing. Methodology Samples from primary root canal infections diagnosed with apical periodontitis were analysed ...
Virginia Pérez‐Carrasco +5 more
wiley +1 more source
Ingeniería Química, Vol. 05, No. 08. Septiembre. 1953
, 1953 Contiene : Nota editorial. La América Latina y el interrogante de la próxima crisis ; El horno eléctrico de reducción: posibilidades y limitaciones de su empleo en la industria siderúrgica ; Departamento de Química Mineral y Analítica ; Departamento de ...
Orozco, J. Aycardo +4 more
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Desnitrogenação adsortiva de óleo lubrificante naftênico sintético [PDF]
, 2015 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Química, Florianópolis, 2015.Os contaminantes orgânicos sulfurados e nitrogenados presentes em óleos lubrificantes são ...
Sirena, Janier Teresinha
core
Diastereoselective Addition of Diazomethane to Zaluzanin A
Natural Product Communications, 2014 The diastereoselectivity of diazomethane addition to the conjugated double bond of α,β-unsaturated sesquiterpene lactones was explored using zaluzanin A ( 1 ) as a model.
Adriana Ortiz-León +6 more
doaj +1 more source
Photochemistry and Photobiology, EarlyView.This study evaluated the combined effects of antimicrobial photodynamic therapy (aPDT) and systemic resveratrol on bone repair around immediately placed implants in type 2 diabetic rats. Resveratrol improved glycemic control and body weight, while aPDT increased implant stability and bone mineralization.
Letícia Pitol‐Palin +8 more
wiley +1 more source