What is protein extraction?

Protein extraction is a process used to isolate proteins from a biological sample, such as cells, tissues, or organisms. It involves disrupting the cell structure to release the proteins into a solution, followed by separation techniques to purify and concentrate the target proteins. Common methods include cell lysis (mechanical, chemical, or enzymatic), followed by centrifugation, filtration, and precipitation. The extracted proteins are often used for various downstream applications, including protein identification, characterization, quantification, and functional studies.