Recent developments of magnetic beads for use in nucleic acid purification

Autor: Ian J. Bruce, Peter R. Levison, Dieter Schimkat, Prit Hathi, Stephen E. Badger, Jon W. Dennis, Martin J. Davies
Rok vydání: 1998
Předmět:
Zdroj: Journal of Chromatography A. 816:107-111
ISSN: 0021-9673
DOI: 10.1016/s0021-9673(98)00064-8
Popis: The performance of Magarose, an agarose-based bead containing a paramagnetic component has been evaluated. The anion exchanger DEAE-Magarose is effective at binding DNA from a crude cell lysate. The plasmid pBluescript was isolated from 1.5 ml Escherichia coli JM109 cell culture, following alkaline lysis yielding 8.2 micrograms high-quality DNA. Under similar binding conditions 21 micrograms of salmon sperm DNA bound to the ion exchangers. The affinity medium oligo-dT Magarose was demonstrated to bind 75 mumol of an oligo-dA probe/g of medium by hybridization. Under similar conditions mRNA could be isolated from a preparation of baby hamster cell total RNA. The magnetic susceptibility of Magarose is very high, facilitating the use of this separation technique for rapid batch chromatographic processes.
Databáze: OpenAIRE