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Feb 24, 1999 · Coulter and O'Neill were quickly sidelined by NationsBank people, who rapidly emerged as the new masters. He was on the way out. But O'Neill would figure on anybody's list of possible top...
Originating in Wallace's desire to automate a tedious routine, the Coulter Principle provided a repeatable physical measurement of cell or particle volume when appropriately calibrated and, in turn, has inspired a broad range of automated instrumentation of increasing sophistication and complexity.
- Marshall Don. Graham
- 2003
Originating in Wallace’s desire to automate a tedious routine, the Coulter Principle provided a repeatable physical measurement of cell or particle volume when appropriately calibrated and, in turn, has inspired a broad range of automated instrumentation of increasing sophistication and complexity.
Introduced in the mid-1950s, the Coulter Principle became the foundation of an industry responding to the need for automated cell-counting instruments. The industry developed in three acts, as Wallace H. Coulter and his brother Joseph R. Coulter, Jr., developed the simple idea of passing cells through a sensing aperture.
The Coulter Principle (1954-1955) While under contract to the United States Navy in the late 1940s, Wallace H. Coulter developed a technology for counting and sizing particles using impedance measurements. The technology was principally developed to count blood cells quickly by measuring the changes in electrical conductance as cells suspended ...
The Coulter Principle is based on the detection and measurement of changes in electrical resistance produced by a particle or cell suspended in a conductive liquid (diluent) traversing through a small aperture.
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Apr 17, 2013 · In October 1997, Coulter Corporation was acquired by Beckman Instruments, Inc., and the combined company became Beckman Coulter, Inc., a New York stock exchange–listed global provider of diagnostic systems and consumables.
