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Optical Characterization of Oligonucleotide DNA Influenced by Magnetic Fields
Low Dimensional Materials Research Centre, Department of Physics, University of Malaya, Kuala Lumpur 50603, Malaysia
Department of Basic Sciences, Payame Noor University, Tehran 19395-3697, Iran
* Author to whom correspondence should be addressed.
Received: 2 July 2013; in revised form: 3 September 2013 / Accepted: 12 September 2013 / Published: 25 September 2013
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
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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.
Banihashemian SM, Periasamy V, Mohammadi SMHMK, Ritikos R, Rahman SA. Optical Characterization of Oligonucleotide DNA Influenced by Magnetic Fields. Molecules. 2013; 18(10):11797-11808.
Banihashemian, Seyedeh M.; Periasamy, Vengadesh; Mohammadi, Seyed M.H.M.K.; Ritikos, Richard; Rahman, Saadah A. 2013. "Optical Characterization of Oligonucleotide DNA Influenced by Magnetic Fields." Molecules 18, no. 10: 11797-11808.