David Rittenhouse Laboratory - Walnut Street view

DRL is the academic home of the Mathematics and Physics and Astronomy departments at Penn.  It is named for David Rittenhouse, a noted American astronomer born near Germantown, Philadelphia.  Rittenhouse was one of the first to build a telescope in the United States and was Professor of Astronomy at Penn starting in 1779.

 

Fluid Physics at the Molecular Scale

The image shows flagella driven by dynein molecular motors. The vectors show the position and time-dependent velocity.  There is also a graph of the body velocity. Note the desychronization event.

This work comes from Adjunct Professor Jerry Gollub's lab.

 

Cargo vesicles traveling along microtubles

Cargo vesicles (stained with green fluorescent dye) travelling along microtubules (stained red) in a living cell as studied in Professor Phil Nelson's group.

 

Carbon Nanotube FET Sensor

Schematic of a carbon nanotube FET sensor functionalized with an antibody to a Lyme disease biomarker protein.  The insulating substrate is shown in pink.  When antigen molecules bind to the antibody, the electrical characteristics of the FET are altered.

From the lab of Prof. Charlie Johnson.

Bioluminescence

Professor Alison Sweeney studies bio-optical properties of cephalopods and the cellular and biochemical mechanisms of dynamic camouflage.

 

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