Antibody labeling, or the attachment of a specific tag to an antibody to aid in detection or isolation/purification of a protein, is an important technique.  Labeled antibodies are essential for immuno-based assays such as Western blots, ELISAs, ...

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Glycosylation is an extremely diverse, enzymatic process resulting in the covalent attachment of sugars (glycans and monosaccharides) to proteins. About half of all cellular proteins are glycosylated. Most, such as transmembrane receptors, ...

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The enzyme-linked immunosorbent assay (ELISA) is a powerful technique for identifying and quantifying proteins. The assay is less complex than other assays, however problems can still arise when performing ELISAs. These problems can lead to ...

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