Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 132, Issue 4, Pages 1198-+Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja9076793
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Funding
- DARPA [01-130130-00//W911NF-08-1-0143]
- Nonequilibrium Energy Research Center
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0000989]
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Droplets emitting Surface-active chemicals exhibit chemotaxis toward low-pH regions. Such droplets are self propelled and navigate through a complex maze to seek a source of acid placed at one of the maze's exits. In doing so, the droplets Find the shortest path through the maze. Chemotaxis and maze solving are due to an interplay between acid/base chemistry and surface tension effects.
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