Development and use of a single-animal whole-body system for inhalation exposure

Inhalation exposure studies, in which test subjects are fully or partially immersed in an atmosphere containing a compound of interest, are usually carried out using one of two possible exposure systems: large whole-body chambers or systems that expose only the animal's nose or head. Whole-body...

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Veröffentlicht in:Lab animal 2008, Vol.37 (1), p.33-40
Hauptverfasser: Wong, B.A, Ross, P.W, James, R.A
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Ross, P.W
James, R.A
description Inhalation exposure studies, in which test subjects are fully or partially immersed in an atmosphere containing a compound of interest, are usually carried out using one of two possible exposure systems: large whole-body chambers or systems that expose only the animal's nose or head. Whole-body chambers may require large quantities of test compound, which can pose a problem if the chemical is expensive or available in limited quantities. Nose- or head-only systems can help conserve test compound but may cause stress or injury to animals. To address these concerns, the authors developed an exposure system consisting of small single-animal whole-body chambers. They exposed 80 mice and 80 rats to five test compounds at various concentrations. Though the system was labor-intensive for animal care technicians, it effectively exposed animals to precise chemical doses without causing adverse effects, using less test compound than would have been required in a conventional whole-body chamber.
doi_str_mv 10.1038/laban0108-33
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source MEDLINE; Alma/SFX Local Collection
subjects Animal Models
Animals
Atmosphere Exposure Chambers
Biomedical and Life Sciences
Body Weight - drug effects
Environmental impact analysis
Equipment Design
Female
Hazardous substances
Inhalation Exposure
laboratory animals
Life Sciences
Male
Methods
Mice
Mice, Inbred Strains
Rats
Rats as laboratory animals
Rats, Inbred F344
resource
Risk assessment
Toxicity testing
Toxicity Tests - instrumentation
Toxicity Tests - methods
Veterinary Medicine/Veterinary Science
Xenobiotics - administration & dosage
Xenobiotics - chemistry
title Development and use of a single-animal whole-body system for inhalation exposure
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