Results 1 to 10 of about 23,763 (142)

Análisis de riesgos en toxicología industrial: Método MAS

open access: yesRevista Colombiana de Salud Ocupacional, 2016
La literatura experta es prolífica en métodos de análisis de riesgos en higiene y seguridad industrial Incluso en ergonomía física, aunque para este caso, el análisis es sobre las actividades del puesto de trabajo.
Enrique López-Hernández
doaj   +1 more source

La biotoxina ptaquilósido en helechos del género Pteridium

open access: yesAgronomía Mesoamericana, 2022
Introducción. Los helechos del género Pteridium se caracterizan por su amplio hábitat y poder adaptativo, que permite su establecimiento en diversos tipos de suelos y altitudes; estos poseen la capacidad de producir una toxina denominada ptaquilósido ...
Massiel Rodríguez-Salazar   +1 more
doaj   +1 more source

Intracellular Concentrations of Fosfomycin in Alveolar Macrophages from Weaning Piglets [PDF]

open access: yes, 2015
At weaning, piglets are more susceptible to infectious diseases, being respiratory syndromes one of the most frequent conditions. Fosfomycin is indicated for the treatment of a variety of porcine bacterial pathogens, with MIC90 ranging between 0.25-0.50 ...
Dieguez, Susana Nelly   +6 more
core   +2 more sources

ESTIMACIÓN DE LA POBLACIÓN EXPUESTA A PLOMO EN EL BARRIO DE VILLA FRANCISCA, SANTO DOMINGO

open access: yesCiencia y Sociedad, 2009
La exposición al plomo constituye un grave problema de salud pública, ya que afecta a las poblaciones, provocando efectos agresivos al nivel económico más vulnerable: niños, mujeres, trabajadores El objetivo general de este estudio es establecer en ...
Georgina Espinal, Aurora Rodríguez
doaj   +1 more source

Contenido de Cadmio y Plomo en tejido de Hígado y Riñón en el Jote de Cabeza Colorada Cathartes aura (Linneo, 1758) de Chañaral, Desierto de Atacama, Chile [PDF]

open access: yes, 2013
Indexación: Web of Science; ScieloThe Atacama region, Chile, presents one of the highest levels of mining exploitation of the country, which leads to high levels of contamination from mine tailings and other related environmental liabilities.
Abarca, Jorge   +6 more
core   +1 more source

Manejo de plagas en el cultivo de chile y su impacto ambiental en la zona agrícola de Jiménez-Villa López, Chihuahua, México

open access: yesTecnociencia Chihuahua, 2018
La alta incidencia de plagas en el cultivo de chile ha causado un alar- mante aumento en el uso de productos químicos para su control. Con el objetivo de identificar los plaguicidas y programas de control de pla- gas utilizados en la zona y ...
César Guigón López   +1 more
doaj   +1 more source

Pesticide Exposure Alters Follicle-Stimulating Hormone Levels in Mexican Agricultural Workers [PDF]

open access: yes, 2005
Organophosphorous pesticides (OPs) are suspected of altering reproductive function by reducing brain acetylcholinesterase activity and monoamine levels, thus impairing hypothalamic and/or pituitary endocrine functions and gonadal processes. Our objective
Baldi I   +12 more
core   +2 more sources

Overview of Genus Prosopis Toxicity Reports and its Beneficial Biomedical Properties [PDF]

open access: yes, 2016
Secondary plant metabolites are regarded as promising sources of plant-protecting substances and they are one of the most important lines of plant defense against pests. The range of cellular targets for these substances is very wide and covers metabolic
Gamarra Luques, Carlos Diego   +3 more
core   +1 more source

ENSINO DA TOXICOLOGIA NO CURSO MÉDICO: UMA PROPOSTA DE ATUALIZAÇÃO

open access: yesRevista Brasileira de Educação Médica, 2021
Resumo: Com base na experiência de serviço, pesquisa e ensino na área de toxicologia, acumulada nos últimos anos, o autor enfatiza a necessidade do médico ter conhecimentos específicos de toxicologia - noções básicas, noções da sua aplicação ...
Luiz Augusto Cassanha Galvão
doaj   +1 more source

Low doses of ochratoxin A induce micronucleus formation and delay DNA repair in human lymphocytes [PDF]

open access: yes, 2014
The contamination of food commodities by fungal toxins has attracted great interest because many of these mycotoxins are responsible for different diseases, including cancer and other chronic illnesses. Ochratoxin A (OTA) is a mycotoxin naturally present
Barrón-Vivanco, Briscia S.   +9 more
core   +2 more sources

Home - About - Disclaimer - Privacy