| 1 | Northern blot | Study gene expression by detection of RNA |
| 2 | Western blot | used to detect specific proteins |
| 3 | Eastern blot | analyze protein post-translational modifications including the addition of lipids, phosphates, and glycoconjugates. |
| 4 | Southern blot | Study gene expression by detection of DNA |
| 5 | Southwestern blot, | study DNA-protein interactions |
| 6 | Northwestern blot | Study RNA -proteins interactions |
Researchers occasionally use a variant of the procedure known as the reverse northern blot.
In this procedure, the substrate nucleic acid (that is affixed to the membrane) is a collection of isolated DNA fragments, and the probe is RNA extracted from a tissue and radioactively labelled.
Far-eastern blot is a technique for the analysis of lipids separated by high-performance thin layer chromatography (HPTLC)
Far-western blot is a molecular biological method based on the technique of western blot to detect protein-protein interaction in vitro
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