noun
a type of chromatography technique
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Affinity chromatography is a technique used to separate and purify proteins based on their specific interactions with ligands.
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They used affinity chromatography to isolate the protein of interest from the mixture.
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I heard they're using that fancy chromatography thing to get the good stuff out.
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In a way, affinity chromatography is like a matchmaking service for proteins and ligands.