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Generation of fibrous aerosols from thin films.

Authors
Gilbertson-KE; Finlay-WH; Lange-CF; Brett-MJ; Vick-D; Cheng-YS
Source
J Aerosol Sci 2005 Jul; 36(7):933-937
NIOSHTIC No.
20044486
Abstract
A method of producing relatively monodisperse, small-diameter (sub-500 nm diameter) aerosol fibers is described. This method involves the separation of porous thin films from their substrate. It was found that fibers with diameters of less than several hundred nm and lengths of several micrometers can be formed that do not adhere to one-another. Two um thick columnar thin films were fabricated and processed, yielding aerosol fibers with lengths up to 2 um and diameters up to 170 nm. Diameter and length distributions of a collected aerosol showed that a broad range of fiber lengths and diameters are formed by this method. Further modification of the method, however, is expected to greatly narrow the range of ef fective diameters and lengths obtained.
Keywords
Aerosols; Aerosol-particles; Fibrous-dusts; Inhalants; Airborne-fibers; Air-sampling; Exposure-levels; Risk-factors; Asbestos-fibers; Asbestos-dust; Particulates; Analytical-processes; Air-flow; Respiratory-irritants; Author Keywords: Fibers; Aerosol formation; Thin films
CODEN
JALSB7
Publication Date
20050701
Document Type
Journal Article
Funding Type
Grant
Fiscal Year
2005
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-R01-OH-003900
Issue of Publication
7
ISSN
0021-8502
Source Name
Journal of Aerosol Science
State
NM
Performing Organization
Lovelace Biomedical & Environmental Research, Albuquerque, New Mexico
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