Results 71 to 80 of about 320,720 (248)

Electrochemical study of Fe[Fe(CN)5NO] in graphite paste electrode

open access: yesEclética Química, 2018
Iron nitroprusside (FeNP) was syntetised and characterized by IR and atomic absorption. The FeNP was incorporated into a carbon paste electrode and the electrochemical studies were perfomated with cyclic voltammetry.
Devaney Ribeiro do Carmo   +2 more
doaj   +1 more source

Análisis de factores genéticos de riesgo asociados al estrés oxidativo en miocardiopatía chagásica crónica [PDF]

open access: yes, 2015
INTRODUCCIÓN: Diferentes estudios sugieren que el huésped podría responder al estrés oxidativo inducido por el Trypanosoma cruzi (Tc), mediante la activación de la defensa antioxidante.
Beloscar, Juan   +5 more
core  

Gamificación para química analítica: un cuarto de escape digital

open access: yesEducacion Quimica
En este trabajo se aplicó como estrategia didáctica gamificada un Cuarto de escape digital, con el propósito de activar la metacognición de los conocimientos teóricos y metodológicos construidos en las materias química analítica, y que son necesarios ...
Norma Ruth López Santiago
semanticscholar   +1 more source

OTIMIZAÇÃO E VALIDAÇÃO DE UMA METODOLOGIA ANALÍTICA PARA DETERMINAÇÃO DE 1- HIDROXIPIRENO EM URINA DE CORTADORES DE CANA-DE-AÇÚCAR

open access: yesEclética Química, 2018
This study aimed to optimize and validate an analytical methodology for determination of 1-hydroxypyrene in urine of workers involved in harvesting sugar cane.
K. A. Sakiara   +5 more
doaj   +1 more source

Aqueous Dilution of Noble NPs Bulk Dispersions: Modeling Instability due to Dissolution by AF4 and Stablishing Considerations for Plasmonic Assays

open access: yesNanomaterials, 2020
Among different nanomaterials, gold and silver nanoparticles (AuNPs and AgNPs) have become useful tools for a wide variety of applications in general, and particularly for plasmonic assays.
Lorenzo Sanjuan-Navarro   +3 more
doaj   +1 more source

Notas de química analítica con prácticas de laboratorio

open access: yes, 2021
El propósito de este libro es la publicación de las prácticas de laboratorio en química analítica por métodos clásico. El documento ofrece un texto de consulta con notas sobre temas generales de estadística, equilibrio químico, gravimetría y titulaciones,
Jhon Jairo Rios Acevedo   +1 more
semanticscholar   +1 more source

Determination of nevirapine in the presence of cucurbit(7)uril with a gold electrode

open access: yesJournal of Electrochemical Science and Engineering, 2014
The electrochemical oxidation of nevirapine, an anti-HIV drug, at a gold electrode was studied by voltammetric techniques. Nevirapine showed a signal that interfered with a working electrode wave.
Ana E. Esteva   +5 more
doaj   +1 more source

Els Fonaments canviants de la química analítica [PDF]

open access: yes, 1985
The features of the physico-chemical background of analytical chemistry, as it was viewed during the first half of this century, is first described. The impact of the massive introduction of instrumentation and separation techniques is discussed, and the
Casassas i Simó, Enric
core  

A new method for the preparation of biocompatible silica coated-collagen hydrogels [PDF]

open access: yes, 2013
Silica-collagen scaffolds were obtained by covalent binding of an aminosilane to glutaraldehyde fixed collagen hydrogels, rendering a three dimensional network of silicon coated collagen fibrils.
Alvarez, Gisela Solange   +7 more
core   +2 more sources

Evaluation of the Ability of PAMPA Membranes to Emulate Biological Processes through the Abraham Solvation Parameter Model

open access: yesMembranes, 2023
Two parallel artificial membrane permeability assay (PAMPA) systems intended for emulating skin permeability have been characterized through the solvation parameter model of Abraham using multilinear regression analysis.
Sara Soriano-Meseguer   +3 more
doaj   +1 more source

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