Eric Epstein et al.
Small (Weinheim an der Bergstrasse, Germany), 11(45), 6051-6057 (2015-10-10)
The fabrication and properties of pH-responsive colloidal particles are reported, which change shape rapidly (less than 200 ms), nearly independent of the diffusion of the pH altering species that trigger their actuation, and far more rapid than their Brownian motion.