
Quantifying Host Cell Proteins by LC-MS: Experimental Demonstration and Method Comparison in USP 1132.1
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We offer a growing portfolio of well characterized monoclonal antibody (mAb) reference standards and associated characterization data.

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There are multiple analytical techniques like ion exchange chromatography (IEX), Capillary isoelectric focusing (cIEF) or imaged capillary isoelectric focusing (icIEF) used for charge variant analysis. This technote is focused on cIEF and icIEF which are commonly used analytical methods for charge variant analysis.

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This infographic outlines the USP resources that help ensure quality of monoclonal antibody therapeutics throughout the production process.

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USP offers a growing portfolio of well characterized monoclonal antibody (mAb) reference standards and associated characterization data.

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