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Beckman Coulter, Inc. is a Danaher Corporation company that develops, manufactures, and markets products relevant to biomedical testing. It operates in the industries of diagnostics and life sciences .
[1] [2] [3] During the 1950s, laboratory technicians counted each individual blood cell underneath a microscope. Tedious and inconsistent, this was replaced with the first, very basic hematology analyzer, engineered by Wallace H. Coulter. The early hematology analyzers relied on Coulter's principle (see Coulter counter). However, they have ...
Arnold Orville Beckman (April 10, 1900 – May 18, 2004) was an American chemist, inventor, investor, and philanthropist. While a professor at California Institute of Technology, he founded Beckman Instruments based on his 1934 invention of the pH meter, a device for measuring acidity (and alkalinity), later considered to have "revolutionized the study of chemistry and biology". [1]
A tricanter centrifuge operates on a similar principle to decanter centrifuges but instead separates three phases, consisting of a suspended solids phase and two immiscible liquids. [5] Sedimentation of the suspended solids occurs as normal where they accumulate on the wall of the bowl and are conveyed out of the centrifuge.
There are different types of laboratory centrifuges: Microcentrifuges devices for small tubes from 0.2 ml to 2.0 ml (micro tubes), up to 96 well-plates, compact design, small footprint; up to 30,000 g Clinical centrifuges moderate-speed devices used for clinical applications like blood collection tubes Multipurpose high-speed centrifuges
The Beckman Institute for Advanced Science and Technology is a unit of the University of Illinois Urbana-Champaign dedicated to interdisciplinary research. A gift from scientist, businessman, and philanthropist Arnold O. Beckman (1900–2004) and his wife Mabel (1900–1989) [1] [2] led to the building of the Institute which opened in 1989.
High-speed or superspeed centrifuges can handle larger sample volumes, from a few tens of millilitres to several litres. Additionally, larger centrifuges can also reach higher angular velocities (around 30,000 rpm). The rotors may come with different adapters to hold various sizes of test tubes, bottles, or microtiter plates.
On the other hand, the centrifuge is also useful for treating water, an oil and gas by product, by removing oil contaminants before discharging back to the sea, as required by law. Moreover, emulsion of oil and water can be further treated to produce more oil by separating oil, water and impurities using the conical plate centrifuge. [2]