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Updated: May 7, 2026

DNA-magnetic Particle Binding Analysis by Dynamic and Electrophoretic Light Scattering
Published on: November 9, 2017
Optical characterization of oligonucleotide DNA influenced by magnetic fields
Seyedeh Maryam Banihashemian1, Vengadesh Periasamy, Seyed Mohammad Hossein Mousa Kazemi Mohammadi
1Low Dimensional Materials Research Centre, Department of Physics, University of Malaya, Kuala Lumpur 50603, Malaysia. smb137@yahoo.com.
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.
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