Investigation of interaction between magnetic silica particles and lambda phage DNA fragment

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Authors

SMERKOVA Kristyna DOSTALOVA Simona VACULOVICOVA Marketa KYNICKÝ Jindřich TRNKOVÁ Libuše KRÁLÍK Miroslav ADAM Vojtech HUBÁLEK Jaromír PROVAZNIK Ivo KIZEK René

Year of publication 2013
Type Article in Periodical
Magazine / Source Journal of Pharmaceutical and Biomedical Analysis
MU Faculty or unit

Faculty of Science

Citation
Web http://dx.doi.org/10.1016/j.jpba.2013.07.039
Doi http://dx.doi.org/10.1016/j.jpba.2013.07.039
Field Physical chemistry and theoretical chemistry
Keywords DNA isolation; Magnetic particles; Lambda phage; Polymerase chain reaction; Voltammetry
Description Nucleic acids belong to the most important molecules and therefore the understanding of their properties, function and behavior is crucial. Even though a range of analytical and biochemical methods have been developed for this purpose, one common step is essential for all of them isolation of the nucleic acid from the from complex sample matrix. The use of magnetic particles for the separation of nucleic acids has many advantages over other isolation methods. In this study, an isolation procedure for extraction of DNA was optimized. Each step of the isolation process including washing, immobilization and elution was optimized and therefore the efficiency was increased from 1.7% to 28.7% and the total time was shortened from 75 to 30 min comparing to the previously described method. Quantification of the particular parameter influence was performed by square-wave voltammetry using hanging drop mercury electrode. Further, we compared the optimized method with standard chloroform extraction and applied on isolation of DNA from Staphylococcus aureus and Escherichia coli.
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