Dr. Muhammad A. Alam, School of Electrical and Computer Engineering, Purdue University, spoke at the Physics Colloquium on April 17, 2008. The topic of his presentation was Physical Principles of Modern Nanobiosensors.

Muhammad Alam sets up for his presentation.

Alam speaks with Mahfuza Khatun while waiting for the colloquium to begin.

Alam begins his presentation.

