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Electrochemically Induced Mesomorphism Switching in a Chlorpromazine Hydrochloride Lyotropic Liquid Crystal

Crapnell, Robert D.; Alhasan, Huda S.; Partington, Lee I.; Zhou, Yan; Ahmed, Ziauddin; Altalhi, Amal A.; Varley, Thomas S.; Alahmadi, Nadiyah; Mehl, Georg H.; Kelly, Stephen M.; Lawrence, Nathan S.; Marken, Frank; Wadhawan, Jay D.

Authors

Robert D. Crapnell

Huda S. Alhasan

Lee I. Partington

Yan Zhou

Ziauddin Ahmed

Amal A. Altalhi

Thomas S. Varley

Nadiyah Alahmadi

Nathan S. Lawrence

Frank Marken



Abstract

The discovery of electrochemical switching of the Lα phase of chlorpromazine hydrochloride in water is reported. The phase is characterized using polarizing microscopy, X-ray scattering, rheological measurements, and microelectrode voltammetry. Fast, heterogeneous oxidation of the lyotropic liquid crystal is shown to cause a phase change resulting from the disordering of the structural order in a stepwise process. The underlying molecular dynamics is considered to be a cooperative effect of both increasing electrostatic interactions and an unfolding of the monomers from "butterfly"-shaped in the reduced form to planar in the oxidized form.

Citation

Crapnell, R. D., Alhasan, H. S., Partington, L. I., Zhou, Y., Ahmed, Z., Altalhi, A. A., …Wadhawan, J. D. (2021). Electrochemically Induced Mesomorphism Switching in a Chlorpromazine Hydrochloride Lyotropic Liquid Crystal. ACS Omega, 6(7), 4630-4640. https://doi.org/10.1021/acsomega.0c05284

Journal Article Type Article
Acceptance Date Dec 18, 2020
Online Publication Date Feb 5, 2021
Publication Date Feb 23, 2021
Deposit Date Aug 5, 2021
Publicly Available Date Aug 5, 2021
Journal ACS Omega
Print ISSN 2470-1343
Electronic ISSN 2470-1343
Publisher American Chemical Society
Peer Reviewed Peer Reviewed
Volume 6
Issue 7
Pages 4630-4640
DOI https://doi.org/10.1021/acsomega.0c05284
Public URL https://hull-repository.worktribe.com/output/3718106

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