Results 1 to 10 of about 6,986 (117)
The Relationship between Cancer and Paraoxonase 1
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
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
El presente trabajo de investigación tuvo como objetivo diseñar el proceso de tratamiento de aguas residuales municipales para reducir la contaminación hÃdrica en el distrito de Samanco, Ãncash. 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
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
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
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.
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
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
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
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

