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Size Distribution and Deposition in Human Respiratory Tract: Particle Mass and Number
  • Published Date:
    0/1/1900
Filetype[PDF - 1.72 MB]


Details:
  • Description:
    Size Distribution and Deposition in Human Respiratory Tract: Particle Mass and Number Aleksandar Bugarski and Mridul Gautam National Research Center for Alternative Transportation Fuels, Engines and Emissions Department of Mechanical and Aerospace Engineering West Virginia University TOXICITY OF ULTRAFINES (MAUDERLY et al.) ? FINER PARTICLES PENETRATE MORE READILY INTO CELLS AND TIXROUGH TISSUE BARRIERS ? FINER PARTICLES HAVE GREATER SURFACE AREA PER UNIT MASS, AND A LARGE NUMBER OF TOXIC REACTIONS OCCUR AT THE SURFACE ? FINER PARTICLES DISSOLVE MORE READILY THAN LARGER PARTICLES THUS ENHANCING THE BIO- AVAILABILITY OF SOLUBILIZED COMPOUNDS EPIDEMIOLOGICAL STUDIES INDICATE THAT THE IMPORTANCE OF ULTRAFINES REMAINS SPECULATIVE

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