TEMPERATURE AND CHAIN-LENGTH EFFECTS ON BENDING ELASTICITY OF PHOSPHATIDYLCHOLINE BILAYERS

被引：114

作者：

FERNANDEZPUENTE, L ^{[1
]}

BIVAS, I ^{[1
]}

MITOV, MD ^{[1
]}

MELEARD, P ^{[1
]}

机构：

[1] INST SOLID STATE PHYS, DEPT LIQUID CRYSTALS, BU-1784 SOFIA, BULGARIA

来源：

EUROPHYSICS LETTERS | 1994年 / 28卷 / 03期

关键词：

D O I：

10.1209/0295-5075/28/3/005

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A strong decrease of the bilayer bending elastic modulus, k(c), has been experimentally established for dimyristoyl and dipalmitoyl phosphatidylcholine, when the liquid-crystal-gel phase transition temperature is approached from above. This phenomenon may be due to local-curvature-induced changes in the transition temperature. In the liquid-crystal phase, the bending modulus, k(c), significantly increases as a function of the lipid chain length for dilauryl, dimyristoyl and dipalmitoyl phosphatidylcholine.

引用

页码：181 / 186

页数：6

共 30 条

[1]

ANGELOVA MI, 1992, PROG COLL POL SCI S, V89, P127

[2]

ANGELOVA MI, 1992, SPRINGER P PHYS, V66, P178

[3] BILAYER BENDING RIGIDITY OF SOME SYNTHETIC LECITHINS [J].

BEBLIK, G ;

SERVUSS, RM ;

HELFRICH, W .

JOURNAL DE PHYSIQUE, 1985, 46 (10) :1773-1778

[4] SHAPE TRANSFORMATIONS OF GIANT VESICLES - EXTREME SENSITIVITY TO BILAYER ASYMMETRY [J].

BERNDL, K ;

KAS, J ;

LIPOWSKY, R ;

SACKMANN, E ;

SEIFERT, U .

EUROPHYSICS LETTERS, 1990, 13 (07) :659-664

[5] DETERMINATION OF BILAYER-MEMBRANE BENDING STIFFNESS BY TETHER FORMATION FROM GIANT, THIN-WALLED VESICLES [J].

BO, L ;

WAUGH, RE .

BIOPHYSICAL JOURNAL, 1989, 55 (03) :509-517

[6] FREQUENCY SPECTRUM OF FLICKER PHENOMENON IN ERYTHROCYTES [J].

BROCHARD, F ;

LENNON, JF .

JOURNAL DE PHYSIQUE, 1975, 36 (11) :1035-1047

[7] BENDING ELASTIC-MODULI OF LIPID BILAYERS - MODULATION BY SOLUTES [J].

DUWE, HP ;

KAES, J ;

SACKMANN, E .

JOURNAL DE PHYSIQUE, 1990, 51 (10) :945-962

[8] ENTROPY-DRIVEN TENSION AND BENDING ELASTICITY IN CONDENSED-FLUID MEMBRANES [J].

EVANS, E ;

RAWICZ, W .

PHYSICAL REVIEW LETTERS, 1990, 64 (17) :2094-2097

[9] MECHANICAL CALORIMETRY OF LARGE DIMYRISTOYLPHOSPHATIDYLCHOLINE VESICLES IN THE PHASE-TRANSITION REGION [J].

EVANS, E ;

KWOK, R .

BIOCHEMISTRY, 1982, 21 (20) :4874-4879

[10] SHAPE CHANGES OF GIANT LIPOSOMES INDUCED BY AN ASYMMETRIC TRANSMEMBRANE DISTRIBUTION OF PHOSPHOLIPIDS [J].

FARGE, E ;

DEVAUX, PF .

BIOPHYSICAL JOURNAL, 1992, 61 (02) :347-357

← 1 2 3 →