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Uploaded on Nov 14, 2013
Table of Contents: 00:09 Lecture 2.5: Beating the Limits - Barcode Sensors 00:52 A 'fundamental' relationship of biosensor 02:26 Outline 03:04 A 'Mendeleev table' for biosensors 04:10 Strategies to beat the diffusion limit 06:45 Magnetic nanoparticle barcode sensor 09:16 Analytical solution: two limits 10:42 Analytical solution (ρT lt ρMP) 12:39 Analytical solution (ρT = ρMP) 13:30 Analytical solution (ρT gt ρMP) 17:23 Analytical solution: transient solution 18:39 Analytical solution for barcode sensor 21:18 A 'Mendeleev table' for biosensors 21:57 Sensor array: fragmenting sensor volume 23:24 Local generation/fast diffusion 25:33 Conclusions
This video is part of the nanoHUB-U course "Principles of Electronic Nanobiosensors".
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.