Literature review on mixtures
From: Mike B.
Category: techniques essay
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A literature review covering the last 14 yr has been performed in the field of combination toxicology and human risk assessment from exposure to chemical mixtures, with special emphasis on mixtures of pesticides at low doses, that is, at levels likely to occur in human diet and environment. Despite a large body of knowledge in the field of risk assessment methodologies for exposure to chemical and pesticide mixtures, there is no single methodological approach in "combination toxicology" and health risk assessment of chemical mixtures, and therefore professional judgment is still required. Generally, the dose or response additivity approach that may be applied to evaluate potential risk for chemical mixtures in human toxicology overestimates the risk of a combination of chemicals. The recent endocrine disrupter issue demonstrated the difficulty of reproducibility of data when testing environmental toxicants at very low levels, and the need for more basic work in this field.
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Model of LPG Refrigerator: A Literature Review
(PDF) Model of LPG Refrigerator: A Literature Review | IJAERS Journal - romania-rumania.info
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Recycled tyre rubber modified bitumens for road asphalt mixtures: a literature review
Introducing the wet process technology. Describing in details the existing products associated to the wet process high viscosity technology. Describing in details the wet process No Agitation technology.
Cigarette smoke is a complex mixture of chemicals, including several tobacco-specific nitrosamines TSNA. Most TSNA are formed in tobacco during the post-harvest period, while a number are produced when a cigarette is burned. Considerable evidence supports the role of TSNA important causative factors for cancers of the lung, pancreas, esophagus, and oral cavity in people who use tobacco products. New tobacco products e.
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