Angewandte Chemie International Edition

Cover image for Vol. 55 Issue 40

Editor: Peter Gölitz, Deputy Editors: Neville Compton, Haymo Ross

Online ISSN: 1521-3773

Associated Title(s): Angewandte Chemie, Chemistry - A European Journal, Chemistry – An Asian Journal, ChemistryOpen, ChemPlusChem, Zeitschrift für Chemie

52_21b/2013Back Cover: Chemotactic Behavior of Catalytic Motors in Microfluidic Channels (Angew. Chem. Int. Ed. 21/2013)

When man-made self-powered micromotors swim in a gradient of chemical fuel, they experience a chemical attraction towards the fuel and deviate from their otherwise random motion. As S. Sanchez et al. describe in their Communication on page 5552 ff., self-propelled microjets and microparticles change their trajectory when hydrogen peroxide fuel is added to the solution in which they navigate, a response similar to the chemotactic behavior of some living organisms. (The authors thank Dr. Träger for designing the image.)

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