PH/Bibliography

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• Lagzi I, Soh S, Wesson PJ, Browne KP, Grzybowski BA (2010). "Maze Solving by Chemotactic Droplets". J Am Chem Soc. DOI:10.1021/ja9076793. PMID 20063877. Research Blogging. ^[e]

Demonstrates that a droplet of mineral oil containing 2-hexyldecanoic acid can successfully navigate a maze if a pH gradient is established by soaking a small block of high gel strength agarose in HCl and putting it at the end opposite to that in which the droplet is released.

See also the supplementary videos at the journal's site.