A Low-Cost, Normally Closed, Solenoid Valve for Non-Contact Dispensing in the Sub-µL Range
AbstractWe present a disposable, normally closed, non-contact dispensing valve for the sub-µL range. The miniaturized solenoid valve (diameter: 8 mm, height: 27.25 mm) is compatible to standard Luer-Lock interfaces. A highly dynamic actuation principle enables opening times down to 1 ms. The dispensing performance was evaluated for water (η = 1.03 mPas) and a 66% (w/w) glycerol/water solution (η = 16.98 mPas), at pressures varying from 200 to 800 mbar. The experimentally determined minimal dispensing volume was 163 nL (CV 1.6%) for water and 123 nL (CV 4.5%) for 66% (w/w) glycerol/water. The low-cost polymer valve enables high precision dispensing of liquid volumes down to the lower end of the sub-µL range comparable to high-end non-disposable micro-dispensing valves. View Full-Text
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Bammesberger, S.B.; Kartmann, S.; Tanguy, L.; Liang, D.; Mutschler, K.; Ernst, A.; Zengerle, R.; Koltay, P. A Low-Cost, Normally Closed, Solenoid Valve for Non-Contact Dispensing in the Sub-µL Range. Micromachines 2013, 4, 9-21.
Bammesberger SB, Kartmann S, Tanguy L, Liang D, Mutschler K, Ernst A, Zengerle R, Koltay P. A Low-Cost, Normally Closed, Solenoid Valve for Non-Contact Dispensing in the Sub-µL Range. Micromachines. 2013; 4(1):9-21.Chicago/Turabian Style
Bammesberger, Stefan B.; Kartmann, Sabrina; Tanguy, Laurent; Liang, Dong; Mutschler, Klaus; Ernst, Andreas; Zengerle, Roland; Koltay, Peter. 2013. "A Low-Cost, Normally Closed, Solenoid Valve for Non-Contact Dispensing in the Sub-µL Range." Micromachines 4, no. 1: 9-21.