New phases induced by sucrose in saturated phosphatidylethanolamines: an expanded lamellar gel phase and a cubic phase
نویسندگان
چکیده
منابع مشابه
Swelling and shrinking kinetics of a lamellar gel phase
David J. Fairhurst, Mark E. Baker, Neil Shaw, and Stefan U. Egelhaaf Department of Physics, Nottingham Trent University, Nottingham, NG11 8NS, United Kingdom Unilever Research, Port Sunlight Laboratory, Bebington, Wirral L63 3JW, United Kingdom Condensed Matter Physics Laboratory, Heinrich-Heine-University, 40225 Düsseldorf, Germany SUPA, School of Physics, The University of Edinburgh, Edinburg...
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بیمه گران همیشه بابت خسارات بیمه نامه های تحت پوشش خود نگران بوده و روش هایی را جستجو می کنند که بتوانند داده های خسارات گذشته را با هدف اتخاذ یک تصمیم بهینه مدل بندی نمایند. در این پژوهش توزیع های فیزتایپ در مدل بندی داده های خسارات معرفی شده که شامل استنباط آماری مربوطه و استفاده از الگوریتم em در برآورد پارامترهای توزیع است. در پایان امکان استفاده از این توزیع در مدل بندی داده های گروه بندی ...
Ion induced lamellar-lamellar phase transition in charged surfactant systems.
We propose a model for the liquid-liquid (L(alpha)-->L(alpha(') )) phase transition observed in osmotic pressure measurements of certain charged lamellae-forming amphiphiles. The model free energy combines mean-field electrostatic and phenomenological nonelectrostatic interactions, while the number of dissociated counterions is treated as a variable degree of freedom that is determined self-con...
متن کاملInvestigation and comparison of calcium aluminate phases obtained by three methods of sol-gel (with EDTA), sol-gel (without EDTA) and solid-phase synthesis
In this study, we investigate calcium aluminate phases that were prepared by three different solid phase synthesis methods and a sol-gel method (with and without EDTA). The purpose of this study is to compare these three methods in terms of achieving higher purity, optimal phase and complexity in the production of the final product. Comparing the results, we found that the sol-gel method is mo...
متن کاملShear-induced collapse in a lyotropic lamellar phase.
An entropically stabilized cetylpyridinium chloride, hexanol, and heavy brine lyotropic lamellar phase subjected to shear flow has been observed here by small angle neutron scattering to undergo collapse of smectic order above a threshold shear rate. The results are compared with theories predicting that such a lamellar phase sheared above a critical rate should lose its stability by a loss of ...
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ژورنال
عنوان ژورنال: Biochimica et Biophysica Acta (BBA) - Biomembranes
سال: 1996
ISSN: 0005-2736
DOI: 10.1016/s0005-2736(96)00156-3