Quality Standards

New USP Standards for Characterization of Therapeutic Proteins

New USP Standards for Proteins

Learn about and view the new suite of physical and written standards that USP is developing to help biologics manufacturers develop and analyze therapeutic proteins. New general chapters address analytical procedures for monoclonal antibodies, oligosaccharides, and protein determination.

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Top 5 of 2015: Most-Read Quality Matters Blog Posts

Top Five Quality Matters Blog Posts of 2015

Thank you for helping Quality Matters spread the word in 2015 about USP quality standards and the important role our work plays in industry, public health and lives around the world. These five posts are the ones that you, our readers, found to be the most engaging and useful in 2015. 

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What the Letters "USP" Mean on the Label of Your Medicine

What "USP" Means on Your Medicine Label

Learn what the letters “USP” mean on medicine labels, the origin behind them, and how they are related to U.S. laws that aim to protect medicine and dietary supplement quality. 

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