Antibodies 101: The Basics of Western Blotting
Type
Blog Post
...to detect a single, specific protein within the complex mix derived from cells or tissues. Westerns are...sample per lane, onto the top of a resolving gel composed of the crosslinked polymer acrylamide. In addition...proteins are immobilized onto a membrane, usually composed of a nitrocellulose or polyvinylidene difluoride...membrane.
In a wet transfer system the sandwich is completely submerged in a tank filled with a transfer buffer...confirming that the protein is the expected size as compared to the protein standards.
Protein abundance
In...loading control when assessing protein abundance or comparing samples across lanes.
For a typical loading control...present in all samples. Uneven sample loading or incomplete protein transfer causes inconsistent levels of...