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Liquid chromatography plays a central role in process-scale manufacturing of therapeutic plasmid DNA (pDNA) for gene therapy and DNA vaccination. Apart from its use as a preparative purification step, it is also very useful as an analytical tool to monitor and control pDNA quality during processing and in final formulations. This paper gives an overview of the use of pDNA chromatography. The specificity...
This work presents studies on the interactions of supercoiled plasmid DNA and Escherichia coli genomic DNA (gDNA) and RNA, with an hydrophobic interaction chromatography (HIC) gel, obtained by derivatisation of Sepharose CL-6B with 1,4-butanediol diglycidyl ether. Nucleic acids purified from E. coli were injected separately in the above HIC column and eluted with 1.5 M (NH4)2SO4 in the buffer. The...
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