Nano Res.
Electronic Supplementary Material
Motion-based pH sensing using spindle-like micromotors
Limei Liu, Yonggang Dong, Yunyu Sun, Mei Liu, Yajun Su, Hui Zhang, and Bin Dong ()
Institute of Functional Nano & Soft Materials (FUNSOM), Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices and
Collaborative Innovation Center (CIC) of Suzhou Nano Science and Technology, Soochow University, Suzhou 215123, China
Supporting information to DOI 10.1007/s12274-016-1026-9
Figure S1 Schematic illustrates the fabrication process of the PCL/DSS microstructure based on the electrospinning process.
Figure S2 The calibration curve showing the travel distance versus the pH of the solution during a 3 s period.
Video S1 The autonomous movement of the PCL/DSS structure on the surface of water.
Video S2 The pH-dependent motion behavior of the PCL/DSS structure when exposed to the solution with
different pH.
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