DNA thermotropic liquid crystals controlled by positively charged catanionic bilayer vesicles

Huizhong Liu; Ling Wang; Yuanyuan Hu; Ziang Huang; Ying Sun; Shuli Dong; Jingcheng Hao

doi:10.1039/D0CC00980F

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DNA thermotropic liquid crystals controlled by positively charged catanionic bilayer vesicles†

Huizhong Liu,^a Ling Wang,^a Yuanyuan Hu,^a Ziang Huang,^a Ying Sun,^a Shuli Dong

^a and Jingcheng Hao

*^a

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* Corresponding authors

^a Key Laboratory of Colloid and Interface Chemistry & State Key Laboratory of Crystal Materials, Shandong University, Jinan 250100, China
E-mail: jhao@sdu.edu.cn
Fax: +86 531 8856 4750
Tel: +86 8836 6074

Abstract

We report DNA thermotropic liquid crystal (TLC) formation by positively charged catanionic surfactant bilayer vesicles. The properties of DNA TLCs were found to be manipulated by both the chemical structures of cationic and anionic surfactants and the DNA amount. Positively charged catanionic bilayer vesicles bond to negative DNA sites resulting in the transition from vesicles to long range ordered lamellar crystals of DNA–catanionic surfactants, as confirmed by cryo- and freeze-fracture (FF) TEM observations and small-angle X-ray scattering (SAXS) measurements.

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Article information

DOI: https://doi.org/10.1039/D0CC00980F
Article type: Communication
Submitted: 07 Feb 2020
Accepted: 03 Mar 2020
First published: 03 Mar 2020

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Chem. Commun., 2020,56, 3484-3487

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DNA thermotropic liquid crystals controlled by positively charged catanionic bilayer vesicles

H. Liu, L. Wang, Y. Hu, Z. Huang, Y. Sun, S. Dong and J. Hao, Chem. Commun., 2020, 56, 3484 DOI: 10.1039/D0CC00980F

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Chemical Communications

DNA thermotropic liquid crystals controlled by positively charged catanionic bilayer vesicles†

Abstract

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DNA thermotropic liquid crystals controlled by positively charged catanionic bilayer vesicles

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