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The occurrence of Gram-negative pathogenic and opportunistic species, was studied for two years on air. soil and leachate from the San Nicolás Landfill. Aguascalientes, Mexico. For soil and leachate(More)
The aim of this work was the establishment and characterization of porcine aortic endothelial cell cultures with prolonged lifespan. Endothelial cells where isolated from porcine thoracic aorta and(More)
Wastewater discharges into freshwater bodies represent a serious ecological problem worldwide. In underdeveloped and developing countries wastewater treatment plants (WTP) only count with basic(More)
Forty-eight hours acute toxicity tests were employed with Daphnia magna and Lecane quadridentata to assess the influents and effluents of the seven most important wastewater treatment plants (WTP) in(More)
Acute diarrhoea diseases (ADDs) are one of the major health problems in Aguascalientes, Mexico. Due to the risk of significant increases of ADDs in the hot season, it has been necessary to determine(More)