Peptide Mapping by LC-MS: A Multi-Attribute Method for the Characterization of Therapeutic Proteins

23rd July 2018

Category: Bioanalytical

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By: Dr Martin De Cecco - Senior Scientist,

A hot topic in the field of biopharmaceutical analysis is the concept of a multi-attribute method (MAM)¹, i.e. the characterization of several different product quality attributes with a single assay. The appeal to developers of biotherapeutics is clear: more information from a smaller number of tests. Such an approach is in keeping with the principle More

The Impact of Human Serum on ADCC Assays

3rd July 2018

Category: Bioanalytical

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By: Laura McAleer, Technical Services Scientist,

Antibody-Dependent Cellular Cytotoxicity (ADCC) is a mechanism adopted by the immune system to remove infected or cancerous cells. Antibodies bind a specific antigen on the target cell surface, which in turn binds the FcγRIIIa receptor on effector cells (e.g Natural Killer (NK) Cells) via the Fc region, resulting in the lysis of the target cell. Although in More

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