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Trichloroethylene (TRI) is readily absorbed into the body through the lungs and gastrointestinal mucosa. Exposure to TRI can occur from contamination of air, water, and food; and this contamination may be sufficient to produce adverse effects in the exposed populations. Elimination of TRI involves two major processes: pulmonary excretion of unchanged TRI(More)
1. The responses of single cutaneous mechanoreceptive fibres evoked by a geometrically patterned surface sweeping across the skin were examined. The surfaces used were each a fine diamond-shaped array of "dots' in relief against a flat background. The fibres examined were rapidly adapting, slowly adapting and Pacinian fibres innervating the monkey's finger(More)
The dispersal of Phlebotomus ariasi was studied in mark-release-recapture experiments in the summer of 1980 in a valley on the north-eastern slopes of the Oiselette range in the Cévennes mountains, in the commune of Roquedur, Gard, 50 km north of Montpellier, France. More than 5,000 specimens of P. ariasi were marked with fluorescent powders and released in(More)
The rationale for extrapolation or "scaling" across species is founded in the commonality of anatomic characteristics and the universality of physiologic functions and biochemical reactions. The development of the allometric equation, Y = aWn, relating species body size (W) with various morphological, physiological, biochemical, pharmacological, and(More)
The alginate depolymerase associated with bacteriophage infection of Azotobacter vinelandii has been used in the analysis of sodium alginate. The enzyme degraded the polysaccharide to a series of oligouronides each containing a terminal 4-deoxy-alpha-L-erythro-hex-4-enopyranuronosyl residue. Analysis of these oligouronides, together with kinetic(More)