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A Selective Particle Size Sampler Suitable for Biological Exposure Studies of Diesel Particulate
Technical Paper
2006-01-1075
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The objective of this study is the design, construction and evaluation of a Selective Particle Size (SPS) sampler able to provide continuous delivery of diesel soot particles of specific size ranges. The design of the sampler combines principles of aerosol transport phenomena and separation technologies. Particles smaller than a given size are removed from the exhaust by diffusional deposition, while removal of particles above a given size is achieved by low pressure inertial impaction. The main application of the developed sampler is the exposure of biological samples such as cell and tissue cultures to selected sizes of diesel exhaust particles. By applying the SPS sampler to diesel exhaust it is demonstrated that it is possible to obtain two aerosol streams with widely separated particle size distributions (of nanometric dimensions), suitable for biological exposure studies. Preliminary tests with cell cultures indicate some differences in the biological impact of smaller vs. larger diesel nanoparticles.
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Citation
Papaioannou, E., Konstandopoulos, A., Morin, J., and Preterre, D., "A Selective Particle Size Sampler Suitable for Biological Exposure Studies of Diesel Particulate," SAE Technical Paper 2006-01-1075, 2006, https://doi.org/10.4271/2006-01-1075.Also In
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