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  • Title: A novel method for rapid isolation of plasmid DNA.
    Author: Zervos PH, Morris LM, Hellwig RJ.
    Journal: Biotechniques; 1988 Mar; 6(3):238-42. PubMed ID: 3078517.
    Abstract:
    A new disposable chromatographic column, pZ523, has been developed for separating plasmid DNA from bacterial chromosomal DNA. Use of pZ523 spun columns eliminates the need for ethidium bromide-cesium chloride density gradients which require long centrifugation times. pZ523 purified plasmids have been shown to be of purity suitable for restriction analysis, ligation, transfection of mammalian cells and transformation of bacteria. Unlike the traditional ultracentrifugation method, pZ523 offers an extremely rapid alternative method for purifying large amounts of plasmid DNA (2.5 mg to 4.5 mg) from cleared bacterial lysates in only 25 minutes.
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