Electrochemical technique follows the motion of individual microparticles in space and time

(PhysOrg.com) -- Many bacteria are able to 'swim' through liquids by means of a flagellum. When doing this, some bacteria follow attractants, some flee from harmful substances, and others align themselves using light, gravity, or magnetic fields. These processes may also play a role in infections. Following a swimming bacterium without influencing its motion is difficult. Nanotechnology researchers are also interested in determining the motion of nanoparticles, which would be useful for the development of nanomotors, for example.

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<p><a href="http://www.physorg.com/news156176926.html">Electrochemical technique follows the motion of individual microparticles in space and time</a></p> <p>(PhysOrg.com) -- Many bacteria are able to 'swim' through liquids by means of a flagellum. When doing this, some bacteria follow attractants, some flee from harmful substances, and others align themselves using light, gravity, or magnetic fields. These processes may also play a role in infections. Following a swimming bacterium without influencing its motion is difficult. Nanotechnology researchers are also interested in determining the motion of nanoparticles, which would be useful for the development of nanomotors, for example. </p>