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  • 文献标题:   Coherent anti-stokes Raman scattering spectroscopy (CARS) and imaging of DNA on graphene layers and glass covers
  • 文献类型:   Article
  • 作　　者:   DOVBESHKO G, GNATYUK O, DEMENTJEV A, RUTKAUSKAS D, KOVALSKA E, BALDYCHEVA A, ILCHENKO O, KRASNENKOV D, KAPLAS T
  • 作者关键词:   raman scattering, cars imaging spectroscopy, dna molecule, graphene layer
  • 出版物名称:   FLATCHEM
  • ISSN:   2452-2627
  • 通讯作者地址:  
  • 被引频次:   0
  • DOI:   10.1016/j.flatc.2021.100243 EA APR 2021
  • 出版年:   2021

▎ 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.