Nucleic acid detection using magnetic microparticles

Modern and fast separation proces for nucleic acids isolation uses magnetic microparticles in routine laboratory practise. The comparision of DNA isolation efectivity by three types of magnetic microparticles P(HEMA-co-GMA) (A, B), PGMA and magnetic nanoparticles covered by poly-L-lysine (PLy) from probiotic products Pangamin was carried out. The quality and quantity of isolated DNA were verified by spektrofotometric measurments and gel electrophoresis. Possibility of amplifying of isolated DNA was verified by polymerase chain reaction (PCR) with specific primers for yeast and evaluated by agarose gel electrophoresis. The quantity of isolated DNA depended on the product and the type of magnetic particles. The highest amount of DNA was isolated by magnetic nanoparticles of poly-L-lysine (PLy) and magnetic microparticles P(HEMA-co-GMA) (A)