Marine Microfluidics: Chemotaxis and Gyrotaxis in the Ocean

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• Roman Stocker, MIT
• Tuesday 22 March 2011, 13:00-14:00
• MR5, Centre for Mathematical Sciences, Wilberforce Road, Cambridge.

If you have a question about this talk, please contact Raymond E. Goldstein.

It is now widely recognized that microbial activities represent one of the main forces shaping biogeochemistry and productivity in the ocean. At the level of individual microbes, the ocean is a sea of gradients. Chemical gradients define heterogeneous resource landscapes, while flow gradients exert forces and torques on organisms. Our understanding of these interactions – both chemical and fluid mechanical – has been hampered by the difficulty of studying microbial behavior at appropriate spatiotemporal scales. Modern microfluidic and millifluidic tools afford unprecedented access to this microscale world. I will show how these approaches can help shed light on microbial behavior in both resource gradients (chemotaxis) and flow gradients (gyrotaxis).

This talk is part of the DAMTP BioLunch series.

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