Synthesis and self-assembly of optically active random copolymers bearing L-alanine and L-glutamic acid moieties in aqueous medium

2020 ◽  
Vol 157 ◽  
pp. 104778
Author(s):  
Mioara Murariu ◽  
Lenuta Stroea ◽  
Violeta Melinte
Keyword(s):  
Glutamic Acid ◽  
Aqueous Medium ◽  
Self Assembly ◽  
Optically Active ◽  
Random Copolymers

Fabrication of size-controllable mPEG-decorated microparticles conjugating optically active ketoprofen based on self-assembly of amphiphilic random copolymers

2012 ◽  
Vol 127 (4) ◽  
pp. 3242-3248 ◽  
Author(s):  
Xia Li ◽  
Guo-Jun Zhou ◽  
Guo-Hai Chu ◽  
Xian-Fu Lin ◽  
Jun-Liang Wang ◽  
...  
Keyword(s):  
Self Assembly ◽  
Optically Active ◽  
Random Copolymers

Engineering Coordination and Supramolecular Copper−Organic Networks by Aqueous Medium Self-Assembly with 1,3,5-Triaza-7-phosphaadamantane (PTA)

2009 ◽  
Vol 9 (7) ◽  
pp. 3006-3010 ◽  
Author(s):  
Łukasz Jaremko ◽  
Alexander M. Kirillov ◽  
Piotr Smoleński ◽  
Armando J. L. Pombeiro
Keyword(s):  
Aqueous Medium ◽  
Self Assembly ◽  
Organic Networks

Synthesis of poly[(decanoic acid)-block-styrene] diblock copolymers and their self-assembly behavior in aqueous medium

2008 ◽  
Vol 57 (4) ◽  
pp. 571-576 ◽  
Author(s):  
Dongshuang Li ◽  
Ke Sha ◽  
Yapeng Li ◽  
Peng Ai ◽  
Xiaotian Liu ◽  
...  
Keyword(s):  
Aqueous Medium ◽  
Self Assembly ◽  
Diblock Copolymers ◽  
Decanoic Acid ◽  
Assembly Behavior

Spectroscopic and Solution Properties of Phenoxyphosphazene Random Copolymers Containing Optically Active Binaphthoxy Groups

2000 ◽  
Vol 33 (10) ◽  
pp. 3671-3679 ◽  
Author(s):  
Gabino A. Carriedo ◽  
Francisco J. García Alonso ◽  
Paloma Gómez Elipe ◽  
José L. García-Alvarez ◽  
M. Pilar Tarazona ◽  
...  
Keyword(s):  
Optically Active ◽  
Random Copolymers ◽  
Solution Properties

scholarly journals Mechanisms of Chiral Transfer in Optically Active Dopant – Nematic Liquid Crystal Systems

2020 ◽  
Vol 20 (4) ◽  
pp. 6-26
Author(s):  
V. A. Burmistrov ◽  
V. V. Aleksandriiskii ◽  
I. V. Novikov ◽  
O. I. Koifman
Keyword(s):  
Liquid Crystal ◽  
Nematic Liquid Crystal ◽  
Self Assembly ◽  
Liquid Crystalline ◽  
High Efficiency ◽  
Stationary Phases ◽  
Theoretical Description ◽  
Optically Active ◽  
Axial Coordination ◽  
Chiral Dopants

Induction of helical mesophases by incorporating chiral dopants into the nematics matrix is the promising modern trends in the chemistry of liquid crystals. This process is associated with a unique phenomenon - an amplification of chirality in liquid-crystalline phases, which ensures the detection of enantiomers by their chiral induction, much more sensitive than other methods. The relevance of this approach is due to the need to create perspective electro-optical devices operating with ultra-low control voltages based on twist effects, chromatographic stationary phases with high chiral selectivity, flexible magnets, photo-sensitive nanostructures, and other smart LC materials. The successful solution of these problems is impossible without experimental research and theoretical comprehension of the mechanisms of third level chiral transfer optically active dopant – nematic liquid crystal. In the last decade, a large number of works have appeared on the solution of these problems. This review is devoted to a generalization of the experimental results and a theoretical description of the transfer of molecular chirality to orientationally ordered systems with the participation of both chiral molecular substituents with an asymmetric carbon atom and planar or quasi-planar fragments chirally distorted relative to each other. The stereochemical aspects of induction associated with the structural correspondences of the dopant and nematic liquid crystal, as well as the main classes of optically active additives, are discussed. Application of metal complexes, both Werner and macroheterocyclic, are presented. Special attention is paid to the results of the mechanisms study of chiral transfer due to various intermolecular interactions: hydrogen bonding, axial coordination, and the formation of inclusion compounds. The high efficiency of induction of spiral mesophases has been demonstrated with a combination of different self-assembly mechanisms in liquid crystal - chiral additive systems.

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