Cis-isomers of photosensitive cationic azobenzene surfactants in DNA solutions at different NaCl concentrations : Experiment and modeling

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Cis-isomers of photosensitive cationic azobenzene surfactants in DNA solutions at different NaCl concentrations

The DNA interaction with cis-isomers of photosensitive azobenzene-containing surfactants was studied by both experimental methods and computer simulation. It was shown that before the organization of micelles, such surfactants in the cis-conformation form associates of only a single type with a disordered orientation of molecules. In contrast, for trans-isomers, there exist two types of associates with head-to-head or head-to-tail orientations of molecules in dependence on salt concentration in a solution. The comparison of cis- and trans-isomer binding to DNA and the influence of salt concentration on the formation of their complexes with DNA were studied. It was shown that cis-isomers interact with phosphate groups of DNA and that their molecules were also located along the minor groove of DNA.

Metadaten
Author details:	Irina A. Silanteva ORCiD, Andrei Komolkin ORCiD, Veronika V. Mamontova ORCiD, Pavel Gabrusenok, Pavel N. Vorontsov-Velyaminov, Svetlana Santer ORCiD GND, Nina A. Kasyanenko
DOI:	https://doi.org/10.1021/acs.jpcb.1c07864
ISSN:	1520-6106
ISSN:	1520-5207
Pubmed ID:	https://pubmed.ncbi.nlm.nih.gov/34586822
Title of parent work (English):	The journal of physical chemistry : B, Condensed matter, materials, surfaces, interfaces & biophysical chemistry
Subtitle (English):	Experiment and modeling
Publisher:	American Chemical Society
Place of publishing:	Washington
Publication type:	Article
Language:	English
Date of first publication:	2021/09/29
Publication year:	2021
Release date:	2024/01/17
Volume:	125
Issue:	40
Number of pages:	11
First page:	11197
Last Page:	11207
Organizational units:	Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
DDC classification:	5 Naturwissenschaften und Mathematik / 53 Physik / 530 Physik
	5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften
Peer review:	Referiert