Coherent anti-stokes Raman scattering spectroscopy (CARS) and imaging of DNA on graphene layers and glass covers

被引：1

作者：

Dovbeshko, Galyna ^{[1
]}

Gnatyuk, Olena ^{[1
]}

Dementjev, Andrej ^{[2
]}

Rutkauskas, Danielis ^{[2
]}

Kovalska, Evgeniya ^{[3
,4
]}

Baldycheva, Anna ^{[4
]}

Ilchenko, Oleksii ^{[5
]}

Krasnenkov, Dmytro ^{[6
]}

Kaplas, Tommi ^{[7
]}

机构：

[1] Natl Acad Sci Ukraine, Inst Phys, 46 Nauki Prospekt, UA-03028 Kiev, Ukraine

[2] Ctr Phys Sci & Technol, Inst Phys, A Gostauto 11, LT-01108 Vilnius, Lithuania

[3] Univ Chem & Technol Prague, Dept Inorgan Chem, Tech 5, Prague 16628 6, Czech Republic

[4] Univ Exeter, Coll Engn Math & Phys Sci, North Pk Rd, Exeter EX4 4QF, Devon, England

[5] Tech Univ Denmark, Dept Hlth Technol, Orsteds Plads Bldg 345C, DK-2800 Lyngby, Denmark

[6] NAMS Ukraine, DF Chebotarev State Inst Gerontol, 67 Vyshhorodska St, Kiev, Ukraine

[7] Univ Eastern Finland, Inst Photon, Yliopistokatu 7,POB 111, FI-80101 Joensuu, Finland

来源：

FLATCHEM | 2021年 / 27卷

基金：

欧盟地平线“2020”; 英国工程与自然科学研究理事会;

关键词：

Raman scattering; CARS imaging and spectroscopy; DNA molecules; Graphene layer; NUCLEIC-ACIDS;

D O I：

10.1016/j.flatc.2021.100243

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report a comparative study of the Raman and Coherent anti-Stokes Raman scattering (CARS) patterns of DNA molecules deposited on graphene or glass substrates. In the DNA CARS spectra, the positions of vibrational resonances are red-shifted by 10-20 cm(-1) and have new features in high-frequency region in comparison with spontaneous Raman data. We demonstrate that CARS imaging can be employed for the visualization and characterization of DNA molecules deposited on graphene.

引用

页数：8

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