Skip to main content
. 2019 Jan 16;14(1):e0210286. doi: 10.1371/journal.pone.0210286

Fig 1. Principle of preconcentration device and proposed device components.

Fig 1

(a) Cross-sectional diagram demonstrating the operating principle of the microfluidic preconcentration device. (b) A miniaturized preconcentration device designed with form-factor and manufacturability in mind, produced by ALine Microfluidics. (c) SEM image of the FTS F2O Rainstick forward osmosis membrane, reproduced [14].