Thermodynamic and dynamic characteristics of monoglyceride monolayers penetrated by beta-casein

Langmuir : the ACS Journal of Surfaces and Colloids
Cecilio Carrera SánchezJuan M Rodríguez Patino

Abstract

In this work, we have analyzed the dynamics of the penetration of beta-casein into monoglyceride monolayers (monopalmitin and monoolein) and the structural, dilatational, and topographical characteristics of mixed films formed by monoglyceride penetrated by beta-casein. Different complementary experimental techniques [dynamic tensiometry, surface film balance, Brewster angle microscopy (BAM), and surface dilatational rheology] have been used, maintaining the temperature constant at 20 degrees C and the pH at 7. The surface pressure of the monoglyceride monolayer at the beginning of the penetration process (at pi(i)MP and pi(i)MO for monopalmitin and monoolein, respectively) was the variable studied. beta-Casein can penetrate into a spread monoglyceride monolayer at every surface pressure. The penetration of beta-casein into the monoglyceride monolayer with a more condensed structure, at the collapse point of the monoglyceride, is a complex process that is facilitated by monoglyceride molecular loss by collapse and/or desorption. However, the structural, topographical, and dilatational characteristics of the monoglyceride penetrated by beta-casein mixed monolayers are essentially dominated by the presence of the monoglyceride (e...Continue Reading

References

Jan 1, 1990·Annual Review of Physical Chemistry·H Möhwald
Aug 17, 1999·Current Opinion in Structural Biology·H Brockman
May 8, 2000·Advances in Colloid and Interface Science·D Vollhardt, V B Fainerman
Feb 15, 2001·Colloids and Surfaces. B, Biointerfaces·E Dickinson
Dec 28, 2002·Journal of Agricultural and Food Chemistry·Juan M Rodríguez PatinoCecilio Carrera Sánchez
Feb 14, 2004·Advances in Colloid and Interface Science·Luis A PugnaloniPeter J Wilde

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Citations

May 8, 2014·Advances in Colloid and Interface Science·Aleksandra Kezwon, Kamil Wojciechowski
Feb 19, 2008·Advances in Colloid and Interface Science·Juan M Rodríguez PatinoMa Rosario Rodríguez Niño

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