Results 1 to 10 of about 6,986 (117)

The Relationship between Cancer and Paraoxonase 1

open access: yesAntioxidants, 2022
Extensive research has been carried out to understand and elucidate the mechanisms of paraoxonase 1 (PON1) in the development of diseases including cancer, cardiovascular diseases, neurological diseases, and inflammatory diseases.
Irma Martha Medina-Díaz   +7 more
doaj   +1 more source

Residuos de acaricidas en leche entera bovina de Costa Rica

open access: yesCuadernos de investigación UNED, 2022
Introducción: En Costa Rica se procesan anualmente 681 millones de litros de leche, debido al alto consumo per cápita que es de 216 kilogramos, por lo que es particularmente importante evitar los efectos tóxicos de la leche contaminada, asociados a ...
Cecilia Alvarado Vega   +5 more
doaj   +1 more source

Diseño del proceso de tratamiento de aguas residuales municipales para reducir la contaminación hídrica en el distrito de Samanco.

open access: yesINGnosis Revista de Investigación Científica, 2017
El presente trabajo de investigación tuvo como objetivo diseñar el proceso de tratamiento de aguas residuales municipales para reducir la contaminación hídrica en el distrito de Samanco, Áncash. Para recoger los datos se utilizó el método de la encuesta y se trabajó también mediante el juicio de expertos, los instrumentos de recolección de ...
Genrry Raul Pajares Echevarria   +3 more
openaire   +1 more source

The Role of Nutritional Habits and Moderate Red Wine Consumption in PON1 Status in Healthy Population

open access: yesApplied Sciences, 2021
Paraoxonase 1 (PON1) plays a role as antioxidant on HDL. Including in diet additionally ingest of polyphenolic compounds can stimulate PON1 transcription and increase its activity.
Fidel Navarro-García   +8 more
doaj   +1 more source

Supercritical fluid extraction as a clean-up method for the extraction of pesticides from wool wax. A preliminary approach

open access: yesGrasas y Aceites, 2007
The work presented is a preliminary study for the development of a method for the extraction of pesticides from wax samples by means of superficial fluid extraction.
M López-Mesas   +4 more
doaj   +1 more source

Revisión de los métodos estadísticos multivariados usados en el análisis de calidad de aguas

open access: yesMutis, 2016
En los ecosistemas acuáticos se monitorea el agua para determinar sus variaciones espacio-temporales, generando grandes y complejas matrices de datos que requieren herramientas que ayuden en la interpretación de los mismos, para que los administradores ...
Ingry Natalia Gómez Miranda   +1 more
doaj   +3 more sources

Used of pesticides in cottonseed cultivars. Present trends.

open access: yesGrasas y Aceites, 1997
The paper reviews the world production of cotton and the use of pesticides in its growth. The risks derived from their abuse, especially chlorinated ones, are commented.
M. J. Martínez, M. Crespi
doaj   +1 more source

Extraction by SOXTEC® of the cotton fatty matter from different producing areas. Comparison of the dichloromethane or successive dichloromethane-methanol extractions.

open access: yesGrasas y Aceites, 1997
The paper compares the fatty matter recovered from cotton when applying one extraction with dichloromethane or two successive extractions (the first with dichloromethane and the second one with methanol, more polar) and the time required for the ...
Mª J. Martínez, M. Crespi
doaj   +1 more source

Spatiotemporal Variations in Chemical Composition of Wet Atmospheric Deposition in Mexico City

open access: yesAerosol and Air Quality Research, 2023
A comprehensive analysis of the chemical composition of wet atmospheric deposition was performed on 7048 samples collected between 2003 and 2021 over Mexico City. The descending ion abundance trend was NH4+ > SO42− > NO3− > Ca2+ > Cl− > H+ > Mg2+ > Na+ >
Elizabeth Vega   +5 more
doaj   +1 more source

Extraction and clean-up of pesticides from fatty samples

open access: yesGrasas y Aceites, 2000
The extraction of pesticides from fatty samples is a problem extensively studied. In this paper, the main techniques for the extraction of pesticides from fatty samples are reviewed.
M. López-Mesas, M. Crespi
doaj   +1 more source

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