4 results for “Reaction Department”
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Medical study · Medical research · 1982
Reaction of cells cultured in vitro to different asbestos dusts of equal surface area but different fibre length
…100 micrograms/tube), surface area (21.3 cm2 or fibre length. In all reactions tested chrysotile was more active than the amphiboles, but the latter gained activity if applied according to surface area. Uptake of 3H…
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Medical study · Medical research · 1982
A study of macrophage-mediated initiation of fibrosis by asbestos and silica using a diffusion chamber technique
…the chamber) from the target tissue. Fibrous reactions surrounding the chambers were quantitated by macroscopic and histological scoring, and by measurement of 14C glycine incorporated at the reaction site. Using this model the fibrogenicity of Rhodesian…
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Medical study · Medical research · 1986
The in vitro activities of a highly carcinogenic mineral fibre--potassium octatitanate
…free radicals via a catalytic reaction requiring the presence of transition elements which are either not present or only present at low concentrations in erionite or Fybex. This type of reaction may not be related to…
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Medical study · Medical research · 1983
Failure of macrophage activation to induce pulmonary fibrosis in asbestos-exposed guinea-pigs
…a diffuse pulmonary mononuclear-cell infiltration of the interstitium and air space. The severity of the reactions to the various insults was dependent on the treatment given. Although there was no histological evidence of increased collagen…