期刊
LAB ON A CHIP
卷 14, 期 15, 页码 2818-2823出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4lc00431k
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资金
- Singapore Ministry of Education Academic Research Fund AcRF Tier 1 [2013-T1-002-064, RG99/13]
- Nanyang Technological University
Environmental remediation is a highly pressing issue in society. Here we demonstrate that autonomous self-propelled millimeter sized capsules can sense the presence of pollutants, mark sites for visible identification and remove the contamination, while navigating in a complex environment of interconnected channels, the maze. Such long-range self-powered capsules propelled by the Marangoni effect are capable of releasing chemicals to alter the pH and induce aggregation during pollutant flocculation at a faster rate than convection or diffusion. These devices are foreseen to have real-world environmental applications in the near future.
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