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Fig. 3 | PhotoniX

Fig. 3

From: Laser fabrication of modular superhydrophobic chips for reconfigurable assembly and self-propelled droplet manipulation

Fig. 3

Typical representations of MDCs. a A trisected splitting MDC assembled by 5 modules. Drop-M released from module No.1 is split into three parts on module No.2, which are then introduced onto module No.3, No.4, No.5, respectively. b Moving track analysis of Drop-M and Drop-M1, 2, 3 shown in (a). c, d) A moving-path assignment MDC assembled by 3 modules. Smaller Drop-1 (35.0 μL) is assigned to module No.2, while larger Drop-2 (40.0 μL) is assigned to module No.3. e Moving track analysis of Drop-1 and 2 shown in (c) and (d). f A mixing & oscillatory MDC assembled by 7 modules. Hydrochloric acid (Drop-2, 30.0 μL, 0.2 mol/L) released from module No.1 will merge with alkalized bromothymol blue (Drop-1, 30.0 μL 0.1 mol/L), then move along oscillatory modules. During oscillatory, the color of Drop-1 + 2 changed from blue to green, finally to yellow. The scale bar is 1 cm. g Moving track analysis of Droplet-1, 2 and 1 + 2 shown in (f)

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