Decoupled phase transitions and grain-boundary melting in supported phospholipid bilayers
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Decoupled phase transitions and grain-boundary melting in supported phospholipid bilayers. / Keller, Danielle; Larsen, Niels B.; Møller, Ian M.; Mouritsen, Ole G.
In: Physical Review Letters, Vol. 94, No. 2, 025701, 21.01.2005.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Decoupled phase transitions and grain-boundary melting in supported phospholipid bilayers
AU - Keller, Danielle
AU - Larsen, Niels B.
AU - Møller, Ian M.
AU - Mouritsen, Ole G.
PY - 2005/1/21
Y1 - 2005/1/21
N2 - Two separate liquid-solid phase transitions are detected in the two monolayers of a mica-supported phospholipid bilayer by atomic force microscopy. The phase transitions of the two monolayers are decoupled by the stronger interaction between the lipid headgroups of the proximal monolayer and the mica support. The transition temperature of the proximal monolayer is increased and this transition occurs over a narrower temperature range. Both transitions occur via grain-boundary melting and the variation of the width of the interfacial zone with temperature is consistent with mean-field theory.
AB - Two separate liquid-solid phase transitions are detected in the two monolayers of a mica-supported phospholipid bilayer by atomic force microscopy. The phase transitions of the two monolayers are decoupled by the stronger interaction between the lipid headgroups of the proximal monolayer and the mica support. The transition temperature of the proximal monolayer is increased and this transition occurs over a narrower temperature range. Both transitions occur via grain-boundary melting and the variation of the width of the interfacial zone with temperature is consistent with mean-field theory.
UR - http://www.scopus.com/inward/record.url?scp=18144423564&partnerID=8YFLogxK
U2 - 10.1103/PhysRevLett.94.025701
DO - 10.1103/PhysRevLett.94.025701
M3 - Journal article
C2 - 15698195
AN - SCOPUS:18144423564
VL - 94
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 2
M1 - 025701
ER -
ID: 230985274