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Metastability in Potassium Palmitate/D2O Phase Transitions |
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| Authors: | L. J. Lis P. J. Quinn |
| Affiliation: | 1. Department of Physics and the Liquid Crystal Institute , Kent State University , Kent, Ohio, 44240, USA;2. Department of Biochemistry , King's College London , London, W8 7AH, UK;3. Department of Physics and the Liquid Crystal Institute , Kent State University , Kent, Ohio, 44240, USA |
| Abstract: | A perdeuterated potassium palmitate/deuterium oxide mixture (66/34% by weight respectively) weas examined using time resolved x-ray diffraction. The dynamic phase initial diagram indicated that upon heating, the crystalline bilayer phase undergoes a transition to a liquid-crystalline phase at approximately 75[ddot]C via two metastable states. One of the metastable states is a disordered cyrstalline bilayer and the other is a liquid crystalline bilayer. Upon subsequent cooling, the liquid-crystalline bilayer transforms directly to a getl bilayer phase. |
| Keywords: | time resolved x-ray diffraction lyotropic liquid crystal phases predeuterated potassium palmitate metastable phase transitions |