ultracentrifuge

ultracentrifuge
ultracentrifugal /ul'treuh sen trif"yeuh geuhl, -euh geuhl/, adj.ultracentrifugally, adv.
/ul'treuh sen"treuh fyoohj'/, n., v., ultracentrifuged, ultracentrifuging. Physical Chem.
n.
1. a high-speed centrifuge for subjecting sols or solutions to forces many times that of gravity and producing concentration differences depending on the weight of the micelle or molecule.
v.t.
2. to subject to the action of an ultracentrifuge.
[1925-30; ULTRA- + CENTRIFUGE]

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Universalium. 2010.

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  • Ultracentrifuge — The ultracentrifuge is a centrifuge optimized for spinning a rotor at very high speeds, capable of generating acceleration as high as 1,000,000 g (9,800 km/s²). There are two kinds of ultracentrifuges, the preparative and the analytical… …   Wikipedia

  • ultracentrifuge — A high speed centrifuge (up to 100,000 rpm) by means of which large molecules, e.g., of protein or nucleic acid s, are caused to sediment at practicable rates; used for determinations of molecular weights, separation of large molecules, criteria… …   Medical dictionary

  • ultracentrifuge — centrifuge centrifuge n. an apparatus having containers for liquids arrayed around a central pivot and rotated at a high speed, thus generating {centrifugal force} on the liquid, and separating substances (such as particles of solid or globules… …   The Collaborative International Dictionary of English

  • ultracentrifuge — I. noun Date: 1924 a high speed centrifuge able to sediment colloidal and other small particles and used especially in determining sizes of such particles and molecular weights of large molecules II. transitive verb Date: 1934 to subject to an… …   New Collegiate Dictionary

  • ultracentrifuge — ul•tra•cen•tri•fuge [[t]ˌʌl trəˈsɛn trəˌfyudʒ[/t]] n. v. fuged, fug•ing 1) chem. lab a high speed centrifuge for subjecting sols or solutions to forces many times that of gravity and producing concentration differences depending on the weight of… …   From formal English to slang

  • ultracentrifuge — /ʌltrəˈsɛntrəfjudʒ/ (say ultruh sentruhfyoohj) noun 1. a high speed centrifuge capable of separating ultramicroscopic particles. –verb (t) (ultracentrifuged, ultracentrifuging) 2. to separate in an ultracentrifuge …  

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  • ultracentrifuge — 1. noun A high speed centrifuge, especially one free from convection that is used to separate colloidal particles. 2. verb To submit a material to ultracentrifugation …   Wiktionary

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