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The biological and toxicological activity of gases and vapors

  • Author(s): Abraham, Michael H
  • Sanchez-Moreno, Ricardo
  • Gil-Lostes, Javier
  • Acree, William E
  • Cometto-Muniz, J. Enrique
  • Cain, William S
  • et al.

Published Web Location

https://doi.org/10.1016/j.tiv.2009.11.009
The data associated with this publication are in the supplemental files.
Abstract

A large amount of data on the biological and toxicological activity of gases and vapors has been collected from the literature. Processes include sensory irritation thresholds, the Alarie mouse test, inhalation anesthesia, etc. It is shown that a single equation using only five descriptors (properties of the gases and vapors) plus a set of indicator variables for the given processes can correlate 643 biological and non-lethal toxicological activities of ‘non-reactive’ compounds with a standard deviation of 0.36 log unit. The equation is scaled to sensory irritation thresholds obtained by the procedure of Cometto-Muñiz,and Cain, and provides a general equation for the prediction of sensory irritation thresholds in man. It is suggested that differences in biological/toxicological activity arise primarily from transport from the gas phase to a receptor phase or area, except for odor detection thresholds where interaction with a receptor(s) is important.

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