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Respiratory sensitization to diphenyl-methane-4,4'-diisocyanate (MDI) in guinea pigs: impact of particle size on induction and elicitation of response


Respiratory sensitization to diphenyl-methane-4,4'-diisocyanate (MDI) in guinea pigs: impact of particle size on induction and elicitation of response



Toxicological Sciences: An Official Journal of the Society of Toxicology 56(1): 105-113



ISSN/ISBN: 1096-6080

PMID: 10869458

DOI: 10.1093/toxsci/56.1.105

The impact of particle size of aerosolized polymeric diphenyl-methane-4,4'-diisocyanate (MDI) for the induction and elicitation of respiratory sensitization was evaluated. Four groups of 16 female guinea pigs each received either the vehicle, repeated intradermal (id) injections (3 X 0.3% MDI), one high-level inhalation exposure of 15 min to 135 mg MDI/m3 air using a small aerosol (MMAD apprxeq 1.7 mum) or large aerosol (MMAD apprxeq 3.8 mum).

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Accession: 011291319

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