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Published on Feb 19, 2014
Table of Contents: 00:09 Lecture 2.4: Sensors with Complex Geometry 01:23 A fundamental relationship of biosensor 03:33 Array and Network sensors 04:52 Recall: Method of diffusion capacitance 07:06 Recall: Integer dimensional sensors 07:51 Capacitance of an Array sensor 09:35 Array of cylinders: fractional sensor 13:48 Array of cylinders: fractional sensor 15:14 Geometry of diffusion/sensor response 16:52 Response of fractal sensors 17:33 Recall: Dimension of a fractal surface 18:17 Recall: Random to regular transform 19:21 Fractional diffusion to fractal sensor 23:05 Performance limits of biosensors 23:55 Average vs. first arrival time 26:40 A 'Mendeleev table' for biosensors 27:14 Conclusions
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.