源自生物大分子的热致液晶
Thermotropic liquid crystals from biomacromolecules.
作者信息
Liu Kai, Chen Dong, Marcozzi Alessio, Zheng Lifei, Su Juanjuan, Pesce Diego, Zajaczkowski Wojciech, Kolbe Anke, Pisula Wojciech, Müllen Klaus, Clark Noel A, Herrmann Andreas
机构信息
Department of Polymer Chemistry, Zernike Institute for Advanced Materials and.
Department of Physics and Liquid Crystal Materials Research Center, University of Colorado, Boulder, CO 80309-0390; and.
出版信息
Proc Natl Acad Sci U S A. 2014 Dec 30;111(52):18596-600. doi: 10.1073/pnas.1421257111. Epub 2014 Dec 15.
Abstract
Complexation of biomacromolecules (e.g., nucleic acids, proteins, or viruses) with surfactants containing flexible alkyl tails, followed by dehydration, is shown to be a simple generic method for the production of thermotropic liquid crystals. The anhydrous smectic phases that result exhibit biomacromolecular sublayers intercalated between aliphatic hydrocarbon sublayers at or near room temperature. Both this and low transition temperatures to other phases enable the study and application of thermotropic liquid crystal phase behavior without thermal degradation of the biomolecular components.
摘要
生物大分子（如核酸、蛋白质或病毒）与含有柔性烷基链的表面活性剂络合，随后脱水，被证明是一种生产热致液晶的简单通用方法。由此产生的无水近晶相在室温或接近室温时，在脂肪烃亚层之间夹有生物大分子亚层。这一点以及向其他相的低转变温度使得能够在不使生物分子成分发生热降解的情况下研究和应用热致液晶相行为。
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