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Monosaccharides (fructose, glucose) and disaccharides (sucrose, trehalose) influence the elasticity of SOPC membranes

J. GENOVA1,* , A. ZHELIASKOVA1, M. D. MITOV1

Affiliation

  1. Institute of Solid State Physics, Bulgarian Academy of Sciences, 72 Tzarigradsko Chaussee Blvd., 1784 Sofia, Bulgaria

Abstract

The elasticity of SOPC lipid membranes in presence of monosaccharides (fructose, glucose) and disaccharides (sucrose, trehalose) was studied by thermally induced shape fluctuations of giant quasi-spherical vesicles. The vesicles were prepared in aqueous solutions with different sugar concentrations (0-400mM), using an electro-formation technique. Stroboscopic illumination was applied in order to remove the video camera integration time smearing. The experimental results show that all the sugars studied influence the bending elasticity kc of SOPC membranes. The strength of the effect depends on the type of the sugar and its concentration..

Keywords

Elasticity, Sugars, Lipid membranes.

Submitted at: Nov. 1, 2006
Accepted at: Feb. 15, 2007

Citation

J. GENOVA, A. ZHELIASKOVA, M. D. MITOV, Monosaccharides (fructose, glucose) and disaccharides (sucrose, trehalose) influence the elasticity of SOPC membranes, Journal of Optoelectronics and Advanced Materials Vol. 9, Iss. 2, pp. 427-430 (2007)