肺からの吸入たばこ煙のウォッシュアウト特性

• 李 相権

  金沢大学大学院自然科学研究科物質化学工学科

• 鄭 鎭度

  湖西大学工学部環境工学科

• 大谷 吉生

  金沢大学大学院自然科学研究科物質化学工学科

書誌事項

タイトル別名

• Washout Characteristics of Inhaled Cigarette Smoke from Human Lung

抄録

Environmental tobacco smoke consists of 85 % of sidestream cigarette smoke and 11 % of exhaled mainstream smoke. In order to prevent non-smokers from passive smoking, exposure to the exhaled mainstream smoke as well as to the sidestream smoke has to be taken into account. In the present work, in order to elucidate the washout characteristics of inhaled smoke from the lung, smoking patterns were measured for the subjects with various vital capacities by using newly devised anemometer, and the particle concentrations and size distributions in the exhaled air were measured with SMPS (Scanning Mobility Particle Sizer, TSI Model 3936) and ELPI (Electrical Low Pressure Impactor, DEKATI Model 24317). As a result, (1) vital capacities of smokers do not affect the inspiration pattern of cigarette smoke, (2) exhaled air from a subject who is breathing room air contains particles with a bimodal distribution, (3) residual particles in the lung are washed out after 20 times of deep breathing, (4) human lung constantly generates particles with a median size smaller than 0.01 μm at the concentration of about 1.6 × 10⁴ cm^-3, (5) smoke exhaled from the lung has a bimodal distribution with the concentration of about 2.5 × 10⁷ cm^-3, (6) after smoking, complete washout of residual smoke in the lung requires normal breathing for 20 min.

収録刊行物

• エアロゾル研究

  エアロゾル研究 21 (3), 247-254, 2006

  日本エアロゾル学会

キーワード

• Environmental Tobacco Smoke
• Passive Smoking
• Exhaled Mainstream Smoke
• Smoking Pattern
• Washout Characteristics

詳細情報

• CRID: 1390282679317724416
• NII論文ID: 10018250348
• NII書誌ID: AN10041511
• DOI: 10.11203/jar.21.247
• ISSN: 1881543X
• ISSN: 09122834
• NDL書誌ID: 8516599
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I8516599
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • NDL
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可