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Nanoscience and Nanotechnology at McMaster University - Arizona ...

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Collabor<strong>at</strong>ion between Ray LaPierre (Engineering Physics), Cecile Fradin (Physics),<br />

<strong>and</strong> Bhagw<strong>at</strong>i Gupta (Department of Biology)<br />

» Lapierre grows light emitting nanowires. Fradin <strong>and</strong> Gupta use<br />

nanowires for cellular studies.<br />

a<br />

b<br />

SEM image showing ensemble<br />

of AlGaAs nanowires.<br />

Microscopy (left) <strong>and</strong> PL image (right)<br />

of nanowires. Nanowires emit in the<br />

visible region (700 nm) <strong>at</strong> room<br />

temper<strong>at</strong>ure. Scale bar is 1 μm.<br />

Nanowires are injected<br />

into nem<strong>at</strong>ode for<br />

cellular <strong>and</strong> toxicological<br />

studies.

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