Assessment of the Pulmonary Toxicity of Inhaled Gases and Particles With Physicochemical Methods

• Autorzy: Sosnowski T. R. , Podgórski A.
• Języki publikacji: EN

Abstrakty

EN

Physicochemical techniques used for evaluating the pulmonary surfactant (PS) quality are discussed as methods useful in assessing toxicity of inhaled gases and particles. Two standard devices, Langmuir-Wilhelmy film balance and pulsating bubble apparatus, are presented in detail, and the measured results of interaction between sulfuric acid and 2 models of PS material are analyzed. The evident decrease in surface activity of the pulmonary surfactant after its contact with the acid at concentrations approaching 0.001 M may be considered as an indicator of the adverse effect, which can result in several health problems. The presented approach can be used as a method of assessing pulmonary toxicity of any substances present in the breathing air.

Słowa kluczowe

EN

pulmonary surfactant; surface activity; pulsating bubble technique; langmuir balance; hysteresis

PL

histereza; toksyczność; wdychanie

• Wydawca: Taylor & Francis
• Czasopismo: International Journal of Occupational Safety and Ergonomics
• Rocznik: 1999
• Tom: Vol. 5, No. 3
• Strony: 431--447
• Opis fizyczny: Bibliogr. 37 poz., rys., wykr.

Twórcy

autor

Sosnowski T. R.

• Warsaw University of Technology, Poland

autor

Podgórski A.

• Warsaw University of Technology, Poland

Bibliografia

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