![]() ![]() Overall, fluid viscosity has a significant effect on the experimental setup of microfluidic systems. 1 For example, the Chemyx Fusion 6000 has the capability of operating with a step resolution as low as 0.0938 µm/step. To minimize this effect, Chemyx has developed a range of pulseless syringe pumps which infuse and withdraw solutions at reproducible flow rates via a cutting-edge micro stepper motor, alleviating flow rate variability. Increased viscosity is a result of increased molecular friction, since it can lead to fluctuations in steady-state flow. 2,8Īnother issue concerning the effects of viscosity on syringe pumps is the time required to stabilize the effect of pulsation at low flow rates. 1 For example, the Fusion 6000 high-pressure syringe pump is specifically designed for dosing viscous solutions and can handle liquids thicker than 250,000 cP, which is the viscosity of peanut butter. Viscosity is therefore an important factor in the selection of valves, filters, syringe, and tubing material.Ĭhemyx syringe pumps are precision machined with chemically treated metal components capable of meeting the requirements of most microfluidic applications.
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