期刊
MOLECULES
卷 18, 期 10, 页码 11797-11808出版社
MDPI AG
DOI: 10.3390/molecules181011797
关键词
oligonucleotide DNA; magnetic field; refractive index; extinction coefficient
资金
- IPPP [PV077/2012A]
- HIR [J-21002-73823, UM.C/HIR/MOHE/SC/06]
- FRGS [FP004-2013A]
- University Malaya Research Grant [UMRG:RG066/09AFR, RP007B-13AFR]
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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