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Western blot and immunoprecipitation are both techniques used in protein analysis, but they have some key differences.

In western blotting, proteins are separated by size using gel electrophoresis and then transferred to a membrane for detection with specific antibodies. This technique is used to detect and quantify a specific protein in a sample.

On the other hand, immunoprecipitation involves using antibodies to pull down a specific protein from a complex mixture. This technique is used to isolate and purify a specific protein or protein complex from a sample for further analysis.

Overall, western blotting is used to detect and quantify proteins, while immunoprecipitation is used to isolate and purify specific proteins for further study.

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