Whole Body Exposure Chamber
Whole Body Exposure Chamber - Related Videos
10:11
Whole-Body Nanoparticle Aerosol Inhalation Exposures
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Cited by 51 •
2013
A whole-body nanoparticle aerosol inhalation exposure facility was constructed for nano-sized titanium dioxide (TiO2) inhalation toxicology studies. This system provides nano-TiO2 aerosol test atmospheres that have: 1) a steady mass concentration; 2) a homogenous composition free of contaminants; and 3) a stable particle size distribution during aerosol generation.
06:07
Cigarette Smoke Exposure in Mice using a Whole-Body Inhalation System
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Cited by 19 •
2020
This protocol demonstrates the study of the pathophysiologic effects of cigarette smoke (CS) with a whole-body inhalation (WBI) exposure system (WBIS) built in-house. This system can expose animals to CS under controlled repeatable conditions for research of CS-mediated effects on lung emphysema and hematopoiesis.
08:47
Symptom Assessment of Patients with Allergic Rhinitis Using an Allergen Exposure Chamber
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Cited by 6 •
2023
A protocol for conducting a challenge in an allergen exposure chamber (AEC) facility is presented. AECs have proven to be safe and effective tools for the induction of allergic symptoms or as an endpoint in the efficacy testing of allergen immunotherapy due to their ability to maintain stable particle concentrations and environmental conditions.
05:03
Establishing a Silicosis Rat Model via Exposure of Whole-Body to Respirable Silica
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Cited by 2 •
2022
This study describes a technique to establish a silicosis rat model with the inhalation of silica through the whole body in an inhalation chamber. The rats with silicosis could closely mimic the pathological process of human silicosis in an easy, cost-effective manner with good repeatability.
05:07
Development of a Nose-only Inhalation Toxicity Test Chamber That Provides Four Exposure Concentrations of Nano-sized Particles
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Cited by 2 •
2019
A nose-only inhalation toxicity chamber capable of testing inhalation toxicity at four different exposure concentrations was designed and validated for flow field uniformity and cross-contamination between the exposure ports for each concentration. Here, we present a protocol to confirm that the designed chamber is effective for inhalation toxicity testing.
FAQs
Concentration and duration jointly define the exposure, while airflow helps distribute the test atmosphere through the enclosure. Temperature and humidity add further controlled conditions that influence how consistently animals encounter that atmosphere. Regulating these variables allows investigators to relate exposure conditions to biological responses and compare findings across experimental groups more reliably.
The system can accommodate aerosols, gases, vapors, or particulates rather than being limited to one airborne form. This range supports studies of chemicals and pollutants with different physical states. Controlled distribution through the chamber ensures that animals encounter the intended test atmosphere during the specified exposure period, supporting consistent biological assessment.
Controlling airflow, temperature, and humidity reduces unwanted variation in the exposure environment. Airflow supports distribution, while temperature and humidity specify additional conditions under which animals encounter the airborne substance. Maintaining defined settings strengthens reproducibility, making it easier to interpret whether changes in inflammation, tissue injury, physiological function, or disease development relate to the planned exposure.
Researchers can relate defined exposure conditions to outcomes such as inflammation, tissue injury, physiological changes, and disease development. Comparing these responses with the concentration and duration used helps establish relationships between exposure and biological effect. This connection is important for evaluating how airborne chemicals or pollutants affect animals under controlled laboratory conditions.
A study begins by establishing the intended airborne substance and setting the exposure concentration, duration, airflow, temperature, and humidity. The substance is then distributed through the enclosure while animals breathe and interact with the test atmosphere. After exposure, investigators assess biological responses and relate the findings to the controlled exposure conditions.
Researchers use this approach when they need to examine biological effects produced by airborne chemicals or pollutants under standardized conditions. It is relevant to inhalation toxicology, respiratory research, pharmacology, and environmental health. The controlled atmosphere allows investigators to connect exposure settings with responses such as inflammation, tissue injury, physiological changes, or disease development.
In biology, the method provides a controlled way to study how animals respond to airborne substances at the level of inflammation, tissue injury, physiology, and disease development. By regulating exposure conditions, investigators can improve reproducibility and examine relationships between an environmental exposure and the resulting biological outcome, supporting research on respiratory and environmental health.