Literature DB >> 18814150

Binding of DNA nucleobases and nucleosides with graphene.

Neenu Varghese1, Umesha Mogera, Achutharao Govindaraj, Anindya Das, Prabal K Maiti, Ajay K Sood, C N R Rao.   

Abstract

Interaction of two different samples of graphene with DNA nucleobases and nucleosides is investigated by isothermal titration calorimetry. The relative interaction energies of the nucleobases decrease in the order guanine (G)>adenine (A)>cytosine (C)>thymine (T) in aqueous solutions, although the positions of C and T seem to be interchangeable. The same trend is found with the nucleosides. Interaction energies of the A-T and G-C pairs are somewhere between those of the constituent bases. Theoretical calculations including van der Waals interaction and solvation energies give the trend G>A approximately T>C. The magnitudes of the interaction energies of the nucleobases with graphene are similar to those found with single-walled carbon nanotubes.

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Year:  2009        PMID： 18814150     DOI： 10.1002/cphc.200800459

Source DB:  PubMed          Journal:  Chemphyschem        ISSN： 1439-4235            Impact factor:   3.102


  51 in total

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Review 4.  Graphene materials as 2D non-viral gene transfer vector platforms.

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6.  Density functional theory study of π-aromatic interaction of benzene, phenol, catechol, dopamine isolated dimers and adsorbed on graphene surface.

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7.  Utilizing Intrinsic Properties of Polyaniline to Detect Nucleic Acid Hybridization through UV-Enhanced Electrostatic Interaction.

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8.  Insight into the interaction between DNA bases and defective graphenes: covalent or non-covalent.

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9.  A graphene oxide-based sensing platform for the label-free assay of DNA sequence and exonuclease activity via long range resonance energy transfer.

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10.  Study of DNA base-Li doped SiC nanotubes in aqueous solutions: a computer simulation study.

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Journal:  J Mol Model       Date:  2013-01-03       Impact factor: 1.810
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