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Typical dot blot membrane. Darker dots indicate more protein. A dot blot (or slot blot) is a technique in molecular biology used to detect proteins. It represents a simplification of the western blot method, with the exception that the proteins to be detected are not first separated by electrophoresis. Instead, the sample is applied directly on ...
A reverse phase protein lysate microarray (RPMA) is a protein microarray designed as a dot-blot platform that allows measurement of protein expression levels in a large number of biological samples simultaneously in a quantitative manner when high-quality antibodies are available. [1]
Protein:protein interaction studies; Colony blot, dot blot, Western blot and ELISA; Screening for positive expression clones; Immunocytochemistry and Immunohistochemistry; Protein localization and targeting studies; Because the Strep-tag is capable of isolating protein complexes, strategies for the study of protein-protein interactions can also ...
Similar to a western blot, the far-western blot uses protein–protein interactions to detect the presence of a specific protein immobilized on a blotting matrix. Antibodies are then used to detect the presence of the protein–protein complex, making the Far-Western blot a specific case of the Western blot.
It acts as a probe for the presence of the target in a Southern blot assay or, more commonly, in the simpler dot blot assay. It is a common tool used in genetic testing, forensics, and molecular biology research. An ASO is typically an oligonucleotide of 15–21 nucleotide bases in length.
A northern blot is a similar analytical technique that, instead of detecting a protein of interest, is used to study gene expression by detection of RNA (or isolated mRNA) on a similar membrane. The northwestern blot combines the two techniques, and specifically involves the identification of labeled RNA that interact with proteins that are ...
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