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Pump Provides Optimum Flow Smoothness for Microfluidic Applications

Wed, 08/25/2010 - 7:37am
Pump Provides Optimum Flow Smoothness for Microfluidic ApplicationsAs a world leader in microfluidic design, Dolomite is dedicated to providing highly optimized equipment for a range of microfluidic applications. The recently launched Mitos P-Pump provides a pulseless liquid flow, using a precise pressure driven pumping mechanism. With excellent response time and accuracy, this pressure driven flow is ideal for microfluidic systems where a highly stable flow is required.

Dolomite has carried out a number of tests to compare the size consistency of droplets formed by the Mitos P-Pump with market leading syringe pumps. Droplets of water-in-oil were generated on a 100 µm sized X-Junction, using each of the pump technologies. The droplet diameter from a continuous stream was measured using image analysis software. The resulting data demonstrated that the Mitos P-Pump provides a coefficient of variation in the droplet diameter of less than 0.6%, compared with 5.5% for the leading syringe pump. Its precise pressure-driven pumping mechanism delivers liquid with a smooth and even flow, whereas even the best motor drives and mechanics of a syringe pump have slight non-linearities, which cause unwanted pulsation. The Mitos P-Pump technology therefore provides the best solution for droplet formation applications.

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