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Molecules 2013, 18(10), 11797-11808; doi:10.3390/molecules181011797
Article

Optical Characterization of Oligonucleotide DNA Influenced by Magnetic Fields

1,* , 1
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2
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1
 and
1
1 Low Dimensional Materials Research Centre, Department of Physics, University of Malaya, Kuala Lumpur 50603, Malaysia 2 Department of Basic Sciences, Payame Noor University, Tehran 19395-3697, Iran
* Author to whom correspondence should be addressed.
Received: 2 July 2013 / Revised: 3 September 2013 / Accepted: 12 September 2013 / Published: 25 September 2013
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Abstract

UV-VIS spectroscopic analysis of oligonucleotide DNA exposed to different magnetic fields was performed in order to investigate the relationship between DNA extinction coefficients and optical parameters according to magnetic-field strength. The results with the oligonucleotides adenine-thymine 100 mer (AT-100 DNA) and cytosine-guanine 100 mer (CG-100 DNA) indicate that the magnetic field influences DNA molar extinction coefficients and refractive indexes. The imaginary parts of the refractive index and molar extinction coefficients of the AT-100 and CG-100 DNA decreased after exposure to a magnetic field of 750 mT due to cleavage of the DNA oligonucleotides into smaller segments.
Keywords: oligonucleotide DNA; magnetic field; refractive index; extinction coefficient oligonucleotide DNA; magnetic field; refractive index; extinction coefficient
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Banihashemian, S.M.; Periasamy, V.; Mohammadi, S.M.H.M.K.; Ritikos, R.; Rahman, S.A. Optical Characterization of Oligonucleotide DNA Influenced by Magnetic Fields. Molecules 2013, 18, 11797-11808.

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