The Equilibrium of Phosphatidylcholine-Sphingomyelin in a Monolayer at the Air/Water Interface

• Autorzy: Petelska, A. D. , Naumowicz, M. , Figaszewski, Z. A.
• Języki publikacji: EN

Abstrakty

EN

Monolayers of either phosphatidylcholine (PC) or sphingomyelin (SM) or their mixtures (PC-SM) were investigated at the air/water interface. The surface tension values of pure and mixed monolayers were used to calculate the pi-A isotherms. The theory of equilibrium between components of monolayers at the air/water interface has been developed in order to obtain the stability constant of the PC-SM complex. We considered the equilibrium between PC, SM and the PC-SM complex on the basis of derived equations. We established that phosphatidylcholine and sphingomyelin formed a 1:1 complex, with the stability constant equal to KAB = 3.20x105 m2 mol-1.

Słowa kluczowe

EN

phosphotidylcholine; sphingomyelin; monolayer; 1:1 complex

• Czasopismo: Polish Journal of Chemistry
• Rocznik: 2008
• Tom: Vol. 82, nr 12
• Strony: 2323-2330
• Opis fizyczny: Bibliogr. 23 poz., rys.

Twórcy

autor

Petelska, A. D.

autor

Naumowicz, M.

autor

Figaszewski, Z. A.

• Institute of Chemistry, University of Bialystok, Al. J. Pilsudskiego 11/4, 15-443 Bialystok, Poland phone: [phone]; fax: [phone],

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