Measurement of oxygen permeable resistance in cultured endothelial cells

Noriyuki Kataoka, Kazuhiro Nagayama, Susumu Kudoh, Shunya Tanaka, Kazuo Tanishita

研究成果: Article

抄録

The measurement system for the oxygen permeable resistance in cultured endothelial cells has been developed. Permeable resistance has been defined as thickness/permeability, (atm·sec/cm). The values of oxygen permeable resistance were measured using a quasi-steady method. Porcine endothelial cells were cultured on a collagen membrane cup. The membranes were placed as a diffusion barrier between two chambers. Chamber 1 was ventilated using a standard gas mixture with low oxygen partial pressure and chamber 2 was filled with phosphate buffer saline [PBS(+)] having high oxygen partial pressure thereby creating on oxygen partial pressure difference across the membrane. After the steady state was reached, the ventilation in chamber 1 was discontinued, and the change of oxygen partial pressure in the chamber 1 was monitored by O2 electrode. The values of oxygen permeable resistance were obtained by deducting the value of oxygen permeable resistance in the collagen membrane. In this study, the oxygen permeable resistance was measured with the maximum predictable error of 9-10%.

元の言語English
ページ(範囲)333-337
ページ数5
ジャーナルNippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B
59
発行部数561
出版物ステータスPublished - 1993 5

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Endothelial cells
cultured cells
Oxygen
oxygen
chambers
Partial pressure
partial pressure
membranes
Membranes
collagens
Collagen
Diffusion barriers
ventilation
Gas mixtures
Ventilation
gas mixtures
phosphates
permeability
Phosphates
buffers

ASJC Scopus subject areas

  • Mechanical Engineering

これを引用

Measurement of oxygen permeable resistance in cultured endothelial cells. / Kataoka, Noriyuki; Nagayama, Kazuhiro; Kudoh, Susumu; Tanaka, Shunya; Tanishita, Kazuo.

:: Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B, 巻 59, 番号 561, 05.1993, p. 333-337.

研究成果: Article

Kataoka, Noriyuki ; Nagayama, Kazuhiro ; Kudoh, Susumu ; Tanaka, Shunya ; Tanishita, Kazuo. / Measurement of oxygen permeable resistance in cultured endothelial cells. :: Nippon Kikai Gakkai Ronbunshu, B Hen/Transactions of the Japan Society of Mechanical Engineers, Part B. 1993 ; 巻 59, 番号 561. pp. 333-337.
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