Direct measurement of DNA using UV/Vis spectroscopy remains one of the simplest ways to measure DNA concentration, and the ratio of absorptions at 260 nm vs. 280 nm is used to assess purity of DNA ...
White blood cells help fight infection and are essential for health and well-being. Changes in white blood cell levels can occur during infections, in pregnancy, and with some cancers. A high white ...
White cells are the immune cells of the body. Also called leukocytes, they are useful in fighting infections and belong to five types. About 100 million white cells are produced by the body each day.