Single-cell sensitive biological sensor works in liquid

Microscopic, magnetized balls of Styrofoam have been turned into inexpensive biological sensors in a University of Michigan laboratory.

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<p><a href="http://www.physorg.com/news115312788.html">Single-cell sensitive biological sensor works in liquid</a></p> <p>Microscopic, magnetized balls of Styrofoam have been turned into inexpensive biological sensors in a University of Michigan laboratory. </p>