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Figure 5
(a) Principle of the EWOD device with a SHS (SHEWOD) showing a droplet in the high contact angle (suspended) state (V = 0). Once the voltage (V ≠ 0) is applied, the contact angle decreases and the droplet spreads. (b) Multiple electrode SHEWOD device showing schematically the coalescence of two droplets. (c) Selected 200 µs video frames from a CMOS camera during coalescence of two ∼4 µL water droplets on the SHEWOD device at 45 V AC (1 kHz). [Adapted from Accardo et al. (2013aBB6).]

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 21| Part 4| June 2014| Pages 643-653
doi:10.1107/S1600577514009849
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