Ab Initio investigation for DNA nucleotide bases sequencing using chiral carbon nanobelts and nanotubes.

Publisher: Nature Publishing Group Country of Publication: England NLM ID: 101563288 Publication Model: Electronic Cited Medium: Internet ISSN: 2045-2322 (Electronic) Linking ISSN: 20452322 NLM ISO Abbreviation: Sci Rep Subsets: MEDLINE

Original Publication: London : Nature Publishing Group, copyright 2011-

Nanotubes, Carbon*/chemistry ; Nanostructures*; Nucleotides ; DNA/chemistry ; Cytosine

Understanding the interaction mechanism between DNA nucleotide bases and carbon nanomaterials is an important issue in the field of identifying nucleotide molecules sequencing. In this article, the adsorption behavior of DNA nucleotide bases on the external surface of chiral carbon nanobelts (CNBs) (6, 5), (7, 6) and (8, 6), was comprehensively investigated from electronic and optical perspectives. As a result, it was determined that the DNA nucleotide bases have optical absorption in the ultraviolet region. When bases are adsorbed on the surface of CNBs, the optical absorption peak of the new complex structure shifted to the visible region. The study of the optical properties of selected CNBs showed that CNB (6,5) performs better in detecting Cytosine and the red shift in the absorption spectrum of complex structure is noticeable. Also, the effect of infinite length for chiral CNTs in DNA nucleotide base sequencing was investigated using DFTB approach. Our investigations based on electronic properties showed that CNTs have better performance than CNBs in DNA nucleotide base sequencing.
(© 2023. Springer Nature Limited.)

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0 (Nucleotides)
0 (Nanotubes, Carbon)
9007-49-2 (DNA)
8J337D1HZY (Cytosine)

Date Created: 20231023 Date Completed: 20231027 Latest Revision: 20231122

20231122

PMC10593758

10.1038/s41598-023-45361-3

37872194