Toxicology

Toxicology

A branch of biology, chemistry, and medicine concerned with the study of the adverse effects of chemicals or physical agents on living organisms, as well as the symptoms, mechanisms, treatments and detection of poisoning, especially the poisoning of people.

Industry: Biology; Chemistry

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Toxicology

passive sampler

Biology; Toxicology

Device for taking samples of environmental media following diffusional contact with a suitable collecting material.

equivalent diameter of a particle

Biology; Toxicology

Diameter of a spherical particle of the same density as a particle under investigation that, relative to a given phenomenon or property, would behave in the same way as the particle under ...

elimination rate

Biology; Toxicology

Differential with respect to time of the concentration or amount of a substance in the body, or a part thereof, resulting from elimination.

dispersion (in environmental chemistry)

Biology; Toxicology

Dilution of a pollutant by spreading in the atmosphere or water due to diffusion or turbulent action.

elimination (in toxicology)

Biology; Toxicology

Disappearance of a substance from an organism or a part thereof, by processes of metabolism, secretion, or excretion.

excretion

Biology; Toxicology

Discharge or elimination of an absorbed or endogenous substance, or of a waste product, and (or) its metabolites, through some tissue of the body and its appearance in urine, feces, or other products ...

inert ingredient

Biology; Toxicology

Any intentionally added ingredient of a mixture which does not contribute to the desired biological effect: this definition does not include impurities and does not imply that the inert ingredient ...