nanoHUB-U Nanobiosensors L2.7: Settling Time - Beating the Diffusion Limit





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Published on Feb 19, 2014

Table of Contents:
00:09 Lecture 2.7: Beating the Diffusion Limit: Enhanced Diffusion and Fluid Flow
02:02 Outline
02:51 Diffusion in multiple dimensions
06:47 Fast diffusion in multiple dimension
08:52 Fast diffusion in multiple dimensions
10:39 Aside: Inspirations
13:03 Outline
13:12 Sensor embedded in a flow channel
15:48 Total flux to a disk with fluid flow
17:34 Derivation: Sensors in flow (1)
19:35 Sensors in flow (2)
20:39 Sensors in flow (3)
22:12 Sensors with flow (4)
23:08 Outline
23:10 Total flux vs. flow
24:46 Relative enhancement of flow vs. size
25:10 Flow past a hemi-cylinder
25:45 Conclusions

This video is part of the nanoHUB-U course "Principles of Electronic Nanobiosensors". (https://nanohub.org/courses/PEN)

This course provides an in-depth analysis of the origin of the extra-ordinary sensitivity, fundamental limits, and operating principles of modern nanobiosensors. The primary focus is the physics of biomolecule detection in terms of three elementary concepts: response time, sensitivity, and selectivity. And, it potentiometric, amperometric, and cantilever-based mass sensors to illustrate the application of these concepts to specific sensor technologies.

For more details see http://nanohub.org/u


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