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A filter that allows light over a set wavelength to pass through and reflects light below the set wavelength. For example, a longpass filter with a wavelength of 670nm would allow light with a wavelength greater than 670nm to pass through the filter, but reflect light lower than 670nm.

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Counted by the Photomultiplier Tube (PMT) in the flow cytometer. Photons enter the PMT and the signal is amplified in the PMT when a photon strikes the anode and “knocks” of electrons. These electrons then hit a series of subsequent anodes, amplifying the total number of electrons of signal. The PMT then counts the total…

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A type of flow cytometer manufactured and sold by BD Biosciences. This instrument was one of the first mass produced flow cytometers. The FACSCalibur is still prevalent in many labs around the world. While only a four color, six parameter analog system, this machine is stable and rarely requires service. It has gained a reputation…

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