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August 1, 2017 (Vol. 37 , No. 14)

Flow-Cytometry Pump

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HNP Mikrosysteme

Hydrodynamic focusing of individual cells is achieved only with the aid of a continuous and precise sheath flow. The speed of the sheath flow determines the speed of the cells and must be constant. Even small deviations lead to measurement errors. Micro-annular gear pumps are characterized by low pulse and low shear delivery, minimal dead volume, and a long service life. Because of their low weight and compact design, they are ideally suited for integration in analytical instruments. Due to chemical-resistant materials used for mzr pumps, a chemical sterilization is possible. Besides the delivery of the sheath flow, these pumps can be used for cell and particle suspensions.

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