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Improved particle counting and size distribution determination of aggregated virus populations by asymmetric flow

Matt McEvoy1, Vladimir Razinkov, Ziping Wei

  • 1Department of Analytical Biochemistry, MedImmune, One MedImmune Way, Gaithersburg, MD 20878, USA.

Biotechnology Progress
|February 9, 2011
PubMed

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Flow Cytometry01:23

Flow Cytometry

The development of flow cytometry techniques began in 1934 with initial attempts by Andrew Moldavan, a bacteriologist who counted the cells in a flowing capillary system. Moldavan pumped cells through a capillary tube focused under a microscope for visualization. The invention of photometry allowed the measurement of differentially-stained cells, and Louis Kamentsky developed the first multiparameter flow cytometer in 1965 to identify and count the cancer cells in cervical tissue specimens.
In...