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Thermal Expansion of Microstructured DMPC Bilayers Quantified by Temperature‐Controlled Atomic Force Microscopy
Author(s) -
Schuy Steffen,
Janshoff Andreas
Publication year - 2006
Publication title -
chemphyschem
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.016
H-Index - 140
eISSN - 1439-7641
pISSN - 1439-4235
DOI - 10.1002/cphc.200600013
Subject(s) - atomic force microscopy , lipid bilayer , membrane , chemistry , thermal expansion , phase transition , bilayer , phase (matter) , thermal , nanotechnology , chemical physics , thermodynamics , materials science , physics , biochemistry , organic chemistry
Microcalorimetry of single bilayers : Temperature‐controlled AFM (see images; DMPC=1,2‐dimyristoyl‐ sn ‐glycero‐3‐phospocholine) of microstructured lipid bilayers allows for the exact determination of the main phase transition temperature of solid supported membranes. The authors show that changes in membrane thickness, thermal expansion and boundary fluctuations can be determined simultaneously as a function of temperature.