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Anal Chem. 1991 May 1;63(9):850-9.

Quantitation of DNA and protein impurities in biopharmaceuticals.

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  • 1Molecular Devices Corporation, Menlo Park, California 94025.


The development of drugs and biologicals for human injection generated from recombinant DNA and hybridoma technologies has resulted in new standards for product purity. We discuss the regulatory position relative to impurities in these biopharmaceuticals, focusing on the analytical goals for quantitation. Current methods for making these measurements are reviewed, and a new system designed for improved analysis is described. Assay results for both contaminating DNA and proteins are presented.

[PubMed - indexed for MEDLINE]
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