Results 51 to 60 of about 3,911 (219)

Desarrollo y validación de un método verde para la extracción y cuantificación de residuos de cipermetrina en tejido animal

open access: yesRevista Colombiana de Química, 2014
En este trabajo se desarrolló y validó un método simple, amigable ambientalmente y efectivo, para la extracción y cuantificación de cipermetrina en muestras de bovino (hígado, grasa perirrenal y músculo) utilizando dispersión de matriz en fase sólida ...
Amanda L. Chaparro   +4 more
doaj   +1 more source

PXRD and PDF analysis of multifunctional lanthanide nitrilotris-methylphosphonate-based proton conductors [PDF]

open access: yes, 2017
Metal phosphonates are multifunctional solids which possess tunable properties, such as H-bond networks, while exhibiting high chemical and thermal stability.
Bazaga-García, Montse   +4 more
core  

Analytical methodologies for the determination of pharmaceuticals and personal care products (PPCPs) in sewage sludge: A critical review [PDF]

open access: yes, 2019
Producción CientíficaSeveral analytical approaches have been developed for the determination of emerging pollutants (EPs), including pharmaceuticals and personal care products (PPCPs) in environmental matrices. This paper reviews the sample preparation
Barrado Esteban, Enrique   +3 more
core   +2 more sources

Attention and vigilance advantages related to formal musical training across childhood, adolescence and young adulthood

open access: yesBritish Journal of Psychology, EarlyView.
Abstract Attention and vigilance are fundamental cognitive abilities that develop throughout childhood and adolescence and have been associated with cognitively demanding activities such as formal musical training. This cross‐sectional study examined whether individuals engaged in long‐term musical training show superior attention and vigilance ...
Rafael Román‐Caballero   +4 more
wiley   +1 more source

Theoretical X-Ray Absorption Debye-Waller Factors

open access: yes, 2007
An approach is presented for theoretical calculations of the Debye-Waller factors in x-ray absorption spectra. These factors are represented in terms of the cumulant expansion up to third order.
A. Poiarkova   +10 more
core   +1 more source

Biomass-derived carbon materials for energy storage applications [PDF]

open access: yes, 2021
Energy storage systems are an essential link in the implementation of renewable energies and in the development of electric vehicles, which are needed to reduce our dependence on fossil fuels and the emission of greenhouse gases.
Gómez Martín, Aurora
core  

Is the European Union's innovation policy sufficient to enable marine, coastal, and freshwater restoration in Europe?

open access: yesRestoration Ecology, Volume 34, Issue 4, May 2026.
Abstract Introduction The European Union (EU) policy framework emphasizes the importance of innovation to achieve the environmental goals and to ensure continued economic growth and increased EU global competitiveness. Objectives This paper analyses whether those policy instruments can effectively support ecosystem restoration.
Sašo Gorjanc   +6 more
wiley   +1 more source

Evaluation of Antibacterial Enrofloxacin in Eggs by Matrix Solid Phase Dispersion-Flow Injection Chemiluminescence

open access: yesJournal of Chemistry, 2014
The study based on the chemiluminescence (CL) reaction of potassium ferricyanide and luminol in sodium hydroxide medium, enrofloxacin (ENRO) could dramatically enhance CL intensities and incorporated with matrix solid-phase dispersion (MSPD) technique ...
Xiaocui Duan   +3 more
doaj   +1 more source

Análise de resíduos de agrotóxicos em tomates empregando dispersão da matriz em fase sólida (DMFS) e cromatografia gasosa Analysis of pesticide residue in tomato using matrix solid-phase dispersion (MSPD) and gas chromatography

open access: yesQuímica Nova, 2009
This work was aimed on optimization of the matrix solid-phase dispersion (MSPD) technique using gas chromatography for analyzing residues of chlorpyriphos, λ-cyhalothrin, cypermethrin and deltamethrin in tomatoes.
Gevany P. Pinho   +2 more
doaj   +1 more source

Powder diffraction at ALBA synchrotron [PDF]

open access: yes, 2015
This talk is devoted to explain the uses of powder diffraction at MSPD (material science and powder diffraction) of ALBA synchrotron light source. General characteristics of the beamline are: Station 1 - High Pressure Diffraction on powders with diamond ...
García-Aranda, Miguel Ángel
core  

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