The Protein Man's Blog | A Discussion of Protein Research

A DNA ladder, also known as a molecular size marker or standard DNA marker, is a solution containing DNA fragments of varying lengths and sizes that serves as a reference in estimating the size of unknown DNA molecules after they are separated by agarose or acrylamide gel electrophoresis. DNA ladders are the mainstay in every laboratory that routinely performs DNA experiments.

Regulating the Cell Cycle

Ion Exchange Chromatography Resins and Methods

Affinity purification (also called affinity chromatography) is recognized as the most powerful method of purification chromatography or enriching a protein of interest from a complex mixture such as a crude cell lysate, cell culture supernatant, or other samples.