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Immersion weighing for recording the flows through macroscopic membranes
Authors:D.-G. Mãrgineanu  Maria Luiza Flonta
Affiliation:Laboratory of Biophysics, Faculty of Biology, Bucharest University, Spl. Independen?ei 91–95, Bucharest 76201, Romania
Abstract:The continuous record of the apparent weight of a membrane-bounded small vessel immersed in a solution of different density as compared to that inside it, offers a cheap and reliable possibility to measure osmotic flows at 10?5 kg · m?2 · s?1 sensitivity. The method equally applies for diffusional (isotopic) water flows.
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