Results 1 to 10 of about 140,762 (162)

Towards Portable One-Drop Voltammetry with Doped Screen-Printed Electrodes to Control Preservatives: A New Tool for Diuron and Isoproturon in the Paint Industry [PDF]

open access: yesSensors
The use of preservatives such as diuron and isoproturon in the paint industry is essential to protect products against microbial attack. However, these compounds are subject to strict regulation due to the harmful effects they have on the environment and
Sergio Huertas-Bastidas   +2 more
doaj   +2 more sources

Estudio del impacto de la producción orgánica en planteos mixtos (agrícolo-ganaderos) sobre algunos indicadores de calidad del suelo

open access: yesFave: Sección Ciencias Agrarias, 2023
El análisis de indicadores de calidad de suelo en sistemas orgánicos mixtos de producción extensiva en nuestro país no ha sido estudiado en profundidad.
Marcelo Silvano De Siervi   +2 more
doaj   +1 more source

Estimation of the octanol-water distribution coefficient of basic compounds by a cationic microemulsion electrokinetic chromatography system

open access: yesADMET and DMPK, 2020
The octanol-water partition coefficient (Po/w), or the octanol-water distribution coefficient (Do/w) for ionized compounds, is a key parameter in the drug development process.
Alejandro Fernández-Pumarega   +4 more
doaj   +1 more source

Microbial Electrochemical Fluidized Bed Reactor: A Promising Solution for Removing Pollutants From Pharmaceutical Industrial Wastewater

open access: yesFrontiers in Microbiology, 2021
The capacity of electroactive bacteria to exchange electrons with electroconductive materials has been explored during the last two decades as part of a new field called electromicrobiology.
Yeray Asensio   +6 more
doaj   +1 more source

Enantioselective Study on the Biodegradation of Verapamil and Cytalopram by Chiral Capillary Electrophoresis

open access: yesSeparations, 2021
Many of the currently available drugs are chiral compounds that are marketed as racemates or, to a lesser extent, in the form of one of the enantiomers since a pair of enantiomers may have different toxicological and ecotoxicological properties compared ...
Yolanda Martín-Biosca   +3 more
doaj   +1 more source

Microchemical identification of macael white marble in some spanish monuments

open access: yesMateriales de Construccion, 1992
The white marble from Macael quarries (Almería, Spain) has been identified in some monuments of the Southern of Spain; the use of other white marble types has also been confirmed.
M. A. Bello, L. Martin, A. Martin
doaj   +1 more source

Electron dynamics in complex environments with real-time time dependent density functional theory in a QM-MM framework [PDF]

open access: yes, 2014
This article presents a time dependent density functional theory (TDDFT) implementation to propagate the Kohn-Sham equations in real time, including the effects of a molecular environment through a Quantum-Mechanics Molecular-Mechanics (QM-MM ...
González Lebrero, Mariano Camilo   +5 more
core   +1 more source

Desenvolvimento e aplicação de método GC-MS/MS para análise simultânea de 17 HPAs em material particulado atmosférico

open access: yesEclética Química, 2018
Polycyclic aromatic hydrocarbons (PAHs) are associated with increased incidence of various types of cancers in humans. These molecules are formed mainly in the incomplete burning of organic matter and can be found in all environmental compartments. North
Joyce Cristale   +2 more
doaj   +1 more source

Rat liver antioxidant response to iron and copper overloads [PDF]

open access: yes, 2014
The rat liver antioxidant response to Fe and Cu overloads (0–60 mg/kg) was studied. Dose- and time-responses were determined and summarized by t1/2 and C50, the time and the liver metal content for half maximal oxidative responses.
Boveris, Alberto Antonio   +8 more
core   +1 more source

Alteration mechanisms on the stones of the Catedral of Granada, Spain

open access: yesMateriales de Construccion, 1993
The diverse alteration mechanisms which operate on the stony materials of the Granada Cathedral have been analized. The water action, anthropogenic influence, thermic oscillations, incompatibility factors, seismicity and biological factors have been ...
L. Martin, M. A. Bello, A. Martín
doaj   +1 more source

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