Results 61 to 70 of about 257,797 (170)

Evaluación de la exposición ocupacional a solventes en trabajadores de una fábrica de calzado

open access: yesRevista Cubana de Higiene y Epidemiología, 1999
Se efectuó un estudio de corte transversal con 204 trabajadores, 71 expuestos a disolventes orgánicos procedentes de la Fábrica de Calzado de Canastilla "Capitán San Luis" y 133 controles que laboran en la Empresa Complejo Lácteo de la Habana, con el fin
Heliodora Díaz Padrón   +4 more
doaj  

Chemical composition and insecticidal effects of Citrus aurantium essential oil and its powdery formulation against Tuta absoluta. Zarrad, K., Chaieb, I., Ben Hamouda, A., Bouslama, T., and Laarif, A. (Tunisia) [PDF]

open access: yesTunisian Journal of Plant Protection, 2017
The aim of this research was to investigate the chemical composition and to evaluate the insecticidal activities of the bitter orange Citrus aurantium essential oil and its major compound pure limonene against adults and larvae of the tomato miner Tuta ...
Khaoula Zarrad   +4 more
doaj  

Endocrine disruptors and dental materials: health implications associated with their use in Brazil

open access: yesCadernos de Saúde Pública
This study analyzes international historical trends in the use of different types of materials in dental practice. The author describes the chemical properties of their ingredients and the potential and observed adverse effects in patients and dental ...
Antonio Jorge Molinário Coelho
doaj  

Chemical activity profiling reveals how exposure to drugs or dietary compounds alters gut microbial biotransformation capacity

open access: yes
AbstractThe gut microbiome catalyzes biotransformation reactions that influence intestinal absorption as a basis of microbiome-host interactions. A better understanding of microbiota biotransformation capacity, and its alteration in dysregulated states, would enable the prediction of individual responses to drugs and toxins and improve safety ...
Hélène Bigonne   +9 more
openaire   +1 more source

A potent larvicidal agent against Aedes aegypti mosquito from cardanol

open access: yesAnais da Academia Brasileira de Ciências
Cardanol is a constituent of Cashew Nut Shell Liquid that presents larvicidal activity against Aedes aegypti. The isolation of cardanol is somewhat troublesome, however, in this work we describe an efficient and inexpensive method to obtain it as a pure ...
DERISVALDO R. PAIVA   +9 more
doaj   +1 more source

Role of chemical species and exposure characteristics in cancer among persons occupationally exposed to chromium compounds.

open access: yesScandinavian journal of work, environment & health, 1994
Epidemiologic studies on chromate workers are considered with special reference to the valency of chromium compounds, carcinogenic potency, and water solubility. It is assumed that all hexavalent chromium compounds are carcinogenic to humans when inhaled but that there is no evidence that trivalent compounds are carcinogenic.
openaire   +1 more source

Exposure sources and thyroid effects of perfluorinated compounds (PFCs) during pregnancy : results from the chemicals, health and pregnancy study (CHirP)

open access: yes, 2011
Perfluorinated compounds (PFCs) are used as stain, grease and water repellents in a wide range of consumer products. Despite their widespread use and known thyroid disrupting potential in animal studies, uncertainties remain about sources of exposure and thyroid effects in humans.
openaire   +1 more source

[Hazard criteria and the evaluation of the overall toxic and specific effects of chemical compound exposure].

open access: yesVoprosy pitaniia, 1978
A differentiated establishment of a chronic action threshold for a population and especially of a subthreshold is a basic hygienic parameter necessary for substantiating safe concentrations of chemical substances. Investigations aimed at detecting the penetration of substances into the cells, their intracellular distribution and ascertaining the extent
openaire   +1 more source

AI redefine untargeted metabolomics: estimating chemical amounts for a Human Exposome Project. [PDF]

open access: yesFront Public Health
Sillé FCM   +4 more
europepmc   +1 more source

Home - About - Disclaimer - Privacy