منابع مشابه
Electrophoresis in lyotropic polymer liquid crystals.
Excellent electrophoretic separations of a variety of biological molecules can be accomplished by using uncharged, triblock copolymers as the "gel" media. These copolymers form uncrosslinked, lyotropic liquid crystalline phases of large micelles between which molecules must travel. Unlike crosslinked hydrogels in common use, these alternative media have highly ordered internal structures. Pluro...
متن کاملAnomalous phase sequences in lyotropic liquid crystals.
We present a coarse-grained model in order to describe the unusual sequence of mesophases observed in aqueous solutions of nonionic lipids, such as monoolein. The lipid molecules are modeled as a rigid head and a flexible Gaussian tail, and water is treated explicitly. A key component of the model is thermally reversible hydrogen bonding between the lipid head and water resulting in changes in ...
متن کاملStripe magnetic domains and lyotropic liquid crystals
A recent analogy between stripe domain structures of uniaxial magnetic garnet films and smectic liquid crystals is extended, using general energetic and symmetry considerations. The analogy is furthermore strengthened by remarking that the growth of magnetized stripes in a magnetic film is similar to the swelling of lyotropic smectic liquid crystals occurring under changes of water or oil conce...
متن کاملTunable Filters from Lyotropic Liquid Crystals
The external field influence on the birefringence of the liquid crystalline layer is expressed by using the Cauchy dispersion equation. The basically theoretical elements of the polarization interferential filters of Lyot Ohmann and Wood type, achieved in a multilayer geometry, are given in this paper. The expressions corresponding to the transmitted maxima and to the spectral bandwidths of the...
متن کاملSelf-assembly in Lyotropic Chromonic Liquid Crystals
We have developed a class of idealized models of chromonic molecules which are miscible in water, but which can form aggregates which in turn organize into lyotropic liquid crystal (LC) phases. By carrying out Monte Carlo simulation in a binary mixture of model chromonic and water molecules, we have studied the effect of concentration and molecular shape on the nature of resulting mesophases. W...
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ژورنال
عنوان ژورنال: Proceedings of the National Academy of Sciences
سال: 2017
ISSN: 0027-8424,1091-6490
DOI: 10.1073/pnas.1710774114