Properties of DNA-CTMA monolayers obtained by Langmuir-Blodgett technique

被引：5
|
作者：
Radko, Aleksandra [1 ]
Niziol, Jacek [2 ]
Makyla-Juzak, Katarzyna [3 ]
Ekiert, Robert [4 ]
Gorska, Natalia [3 ]
Gorecki, Andrzej [4 ]
Marzec, Monika [1 ]
机构：
[1] Jagiellonian Univ, Inst Phys, Lojasiewicza 11, PL-30348 Krakow, Poland
[2] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Mickiewicza 30, PL-30059 Krakow, Poland
[3] Jagiellonian Univ, Fac Chem, Gronostajowa 2, PL-30387 Krakow, Poland
[4] Jagiellonian Univ, Fac Biochem Biophys & Biotechnol, Gronostajowa 7, PL-30387 Krakow, Poland
来源：
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2021年 / 263卷
关键词：
Deoxyribonucleic acid; DNA-CTMA complex; Organic electronics; Self-assembly; Thin films; Langmuir-Blodgett technique; DEOXYRIBONUCLEIC-ACID; PLASMID DNA; COMPLEX; REHYDRATION; SURFACTANTS; PHASE; DYE; NMR;
D O I：
10.1016/j.mseb.2020.114859
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The complex consisting of DNA and cetyltrimethylammonium chloride (DNA-CTMA) is extensively exploited in organic electronics in form of thin films with submicron or nanometer thickness. In this work, using the Langmuir-Blodgett technique, the surface films were prepared from complexes based on different types of chromosomal and plasmid DNA. The research focused on changes in their continuity after they were transferred onto a solid substrate. It was found that only the monolayer of plasmid DNA-CTMA complex remained continuous after being transferred. The other complexes underwent a spontaneous self-assembling and created elongated linear patterns. AFM images of these patterns were analysed quantitatively with Fast Fourier Transform. It was confirmed that self-assembling occurred along one privileged direction.
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页数：11
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