Centrifuges are machines that rapidly spin fluids to separate substances of different densities by using centrifugal force to produce a form of artificial gravity. According to some companies that make centrifuges, the most commonly used medical centrifuge is a bench-top ultracentrifuge. The ultracentrifuge is widely used in the study of polymers, proteins, nucleic acids, viruses, and other organic macromolecules. Ultracentrifuges are used in biological and chemical laboratories and in medicine to prepare serums and plasma from blood.
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laboratory study and methods