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http://hdl.handle.net/1942/18697
Title: | Phase Transitions of Binary Lipid Mixtures: A Combined Study by Adiabatic Scanning Calorimetry and Quartz Crystal Microbalance with Dissipation Monitoring | Authors: | LOSADA-PEREZ, Patricia Mertens, Nadja de Medio-Vasconcelos, B. SLENDERS, Eli Leys, J. PEETERS, Marloes VAN GRINSVEN, Bart Gruber, J. Glorieux, C. Pfeiffer, H. WAGNER, Patrick Thoen, J. |
Issue Date: | 2015 | Publisher: | HINDAWI PUBLISHING CORPORATION | Source: | Advances in Condensed Matter Physics, 2015 | Abstract: | The phase transitions of binary lipid mixtures are studied by a combination of Peltier-element-based adiabatic scanning calorimetry (pASC) and quartz crystal microbalance with dissipation monitoring (QCM-D). pASC, a novel type of calorimeter, provides valuable and unambiguous information on the heat capacity and the enthalpy, whereas QCM-D is proposed as a genuine way of determining phase diagrams by analysing the temperature dependence of the viscosity. Two binary mixtures of phospholipids with the same polar head and differing in the alkyl chain length, DMPC + DPPC and DMPC + DSPC, are discussed. Both techniques give consistent phase diagrams, which compare well with literature results, showing their capability to map the phase behaviour of pure lipids as well as lipid mixtures. This work can be considered as a departure point for further investigations on more complex lipid mixtures displaying relevant phases such as the liquid-ordered phase and solid-lipid interfaces with biologically functional importance. | Notes: | Losada-Perez, P (reprint author), Losada-Perez, P (reprint author) patricia.losadaperez@uhasselt.be | Document URI: | http://hdl.handle.net/1942/18697 | ISSN: | 1687-8108 | e-ISSN: | 1687-8124 | DOI: | 10.1155/2015/479318 | ISI #: | 000349113400001 | Rights: | Copyright © 2015 P. Losada-Perez et al.This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2016 |
Appears in Collections: | Research publications |
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losada 1.pdf | Published version | 2.09 MB | Adobe PDF | View/Open |
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