nanoHUB-U Nanobiosensors L3.12: Sensitivity - Cantilever-based Sensors - Nonlinear Sensing





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Published on Feb 19, 2014

Table of Contents:
00:09 Lecture 3.12: Cantilever Sensors - Nonlinear Sensing -- Flexure FET
02:07 Outline
02:56 Three types of sensors
04:05 Basics of Flexure-FET
06:19 Before and after capture of molecules
08:41 Capacitive response at the critical point
11:12 Outline
11:13 Recall: Transistor Physics
13:03 Flexure-FET in accumulation
15:17 Flexure-FET in inversion
15:49 Transistor: Reading at inversion
18:18 Flexure-FET in sub-threshold
19:28 Reading at sub-threshold
21:33 Supersensitive Flexure-FET
22:47 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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