Teaching hydrogels how to move like an earthworm

Lilit Yeghiazarian; Hitesh Arora; Vasile Nistor; Carlo Montemagno; Ulrich Wiesner

doi:10.1039/B703774K

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Soft Matter

Issue 8, 2007

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Teaching hydrogels how to move like an earthworm

Lilit Yeghiazarian , Hitesh Arora , Vasile Nistor , Carlo Montemagno and Ulrich Wiesner

Soft Matter, 2007, 3, 939-944

DOI: 10.1039/B703774K
First published on the web 13 Jun 2007

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Abstract
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Breaking of symmetry is an important principle employed in nature to achieve directional movement in systems of various dimensional scales. The same principle can be utilized in engineered devices. Here we highlight recent work on directed motion and transport capacity of environmentally sensitive polymer gels. The directional motion of cylindrical hydrogels is driven by spatially and temporally controlled propagation of volume phase transitions along their length. This system could potentially be used in a wide variety of areas including biochemical test systems, targeted drug delivery and “soft” medical tools.

Articles By

Lilit Yeghiazarian
Hitesh Arora
Vasile Nistor
Carlo Montemagno
Ulrich Wiesner

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Soft Matter

Teaching hydrogels how to move like an earthworm

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