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- DictionaryWest·ern blot/ˈwestərn blät/
noun
- 1. an adaptation of the Southern blot procedure, used to identify specific amino-acid sequences in proteins: "the sample could not be confirmed positive by Western blot"
noun
The western blot (sometimes called the protein immunoblot), or western blotting, is a widely used analytical technique in molecular biology and immunogenetics to detect specific proteins in a sample of tissue homogenate or extract. Besides detecting the proteins, this technique is also utilized to visualize, distinguish, and quantify the different proteins in a complicated protein combination. Wikipedia