The pH taxis of an intelligent catalytic microbot

Dey, Krishna Kanti ; Bhandari, Satyapriya ; Bandyopadhyay, Dipankar ; Basu, Saurabh ; Chattopadhyay, Arun (2013) The pH taxis of an intelligent catalytic microbot Small, 9 (11). pp. 1916-1920. ISSN 1613-6810

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A Pd nanoparticle-containing polymer microsphere moves with increasing speed across a pH gradient, following differential catalytic decomposition of aqueous hydrogen peroxide. The directional motion is akin to the pH taxis of living microorganisms. The artificial pH taxis exhibits random walk, translation, vertical, hopping, and pulsed motion, when the size of the motor and the imposed pH gradient are modulated.

Item Type:Article
Source:Copyright of this article belongs to John Wiley and Sons.
Keywords:Catalytic Motors; Nanoparticles; Self-Propulsion; pH Taxis; Microbots
ID Code:101078
Deposited On:16 Dec 2016 12:19
Last Modified:16 Dec 2016 12:19

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