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The present study, reports the utilization of berenil as ligand in a negative pseudo-affinity chromatographic step to purify the plasmid pVAX1-LacZ from Escherichia coli clarified lysates. The chromatographic support was prepared by coupling berenil to epoxy-activated Sepharose and was qualitatively and quantitatively characterized using scanning electron microscopy, Fourier transformed infrared spectroscopy...
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