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  • Title: Microfluidic exploration of the phase diagram of a surfactant/water binary system.
    Author: Leng J, Joanicot M, Ajdari A.
    Journal: Langmuir; 2007 Feb 27; 23(5):2315-7. PubMed ID: 17266344.
    Abstract:
    We investigate the behavior of a binary surfactant solution (AOT/water) as it is progressively concentrated in microfluidic evaporators. We observe in time a succession of phase transitions from a dilute solution up to a dense state, which eventually grows and invades the microchannels. Analyzing these observations, we show that, with a few experiments and a limited amount of material, our microdevices permit a semiquantitative screening of the equilibrium phase diagram as well as a few kinetic observations.
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