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Periodic Oscillatory Motion of a Self‐Propelled Motor Driven by Decomposition of H 2 O 2 by Catalase
Author(s) -
Nakata Satoshi,
Nomura Mio,
Yamamoto Hiroya,
Izumi Shunsuke,
Suematsu Nobuhiko J.,
Ikura Yumihiko,
Amemiya Takashi
Publication year - 2017
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201609971
Subject(s) - oscillation (cell signaling) , bifurcation , motion (physics) , aqueous solution , chemistry , nonlinear system , kinetic energy , control theory (sociology) , physics , classical mechanics , computer science , biochemistry , quantum mechanics , control (management) , artificial intelligence
A self‐propelled motor driven by the enzymatic reaction of catalase adsorbed onto a filter paper floating on an aqueous solution of H 2 O 2 was used to study nonlinear behavior in the motor's motion. An increase in the concentration of H 2 O 2 resulted in a change from no motion to irregular oscillatory motion, periodic oscillatory motion, and continuous motion. The mechanisms underlying oscillation and mode bifurcation are discussed based on experimental results on O 2 bubble formation and growth on the underside of the motor.