Potential use of liquid membranes as selective solid/gas filters

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Presentation transcript:

Fig. 5 Potential use of liquid membranes as selective solid/gas filters. Potential use of liquid membranes as selective solid/gas filters. (A) A liquid film can serve as a gas diffusion barrier while allowing macroscopic objects to pass through (for example, odor management; see movie S9). (B) Schematic of the experimental setup in assessing the ability of a liquid membrane (barrier) to prevent the passage of fog. (C) Quantitative measurements showing that a liquid membrane can be as effective as a solid glass barrier in blocking the fog passage. (D) Gas sequestration experimental setup. Here, a hexane-filled test tube was covered with either parafilm or a liquid membrane. (E) The measured sensor output (signal voltage Vs normalized by the maximum voltage in ambient conditions, Vs,max) over time when exposed to ambient (black circles) and hexane vapor (red circles) and when covered by either a parafilm sheet (green circles) or a liquid membrane (blue circles). The liquid membrane consists of a 7:3 ratio of deionized water to glycerol by volume and 8.5 mM SDS. Birgitt Boschitsch Stogin et al. Sci Adv 2018;4:eaat3276 Copyright © 2018 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).