Issue 81, 2012
From the journal:

Chemical Communications

Micromotors with built-in compasses†‡

Guanjia Zhao,a   Samuel Sanchez,b   Oliver G. Schmidtbc  and  Martin Pumera*a  

* Corresponding authors

a Division of Chemistry & Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore
E-mail: pumera@ntu.edu.sg
Fax: +65 6791-1961

b Institute for Integrative Nanosciences, IFW Dresden, Helmholtzstrasse 20, D-01069 Dresden, Germany

c Material Systems for Nanoelectronics, Chemnitz University of Technology, Reichenhainer Str. 70, Chemnitz D-09107, Germany

Abstract

We demonstrate here that iron containing rolled-up microtubular engines can be magnetized and act as compass needles – they sense the direction of an external magnetic field from afar and align the directionalities of their movements according to the external field, in a similar fashion to magnetotactic bacteria.

Graphical abstract: Micromotors with built-in compasses

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Article information

DOI
https://doi.org/10.1039/C2CC35671F
Article type
Communication
Submitted
04 Aug 2012
Accepted
22 Aug 2012
First published
06 Sep 2012

Chem. Commun., 2012,48, 10090-10092

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Micromotors with built-in compasses

G. Zhao, S. Sanchez, O. G. Schmidt and M. Pumera, Chem. Commun., 2012, 48, 10090 DOI: 10.1039/C2CC35671F

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