nanoHUB-U Nanobiosensors L2.1: Settling Time - Shape of a Surface





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Published on Feb 19, 2014

Table of Contents:
00:09 Lecture 2.1: Settling Time - Shape of a surface
00:25 Outline
01:01 Nanobiosensors have high sensitivity
01:51 Geometry is Important, but exactly how ?
02:57 Basic concepts: dimension of a surface
04:00 Classification of surfaces
06:18 Example: Regular 1D fractals
08:25 Regular and irregular 1D fractals
10:21 Dimension of quasi-2D Fractal
11:57 Same DF, but different geometry
12:44 Dimension of a irregular fractal surface
14:12 Irregular to regular surfaces
16:18 Outline
17:05 Settling time defines the fundamental limits of detection (Lectures 5-10)
19:14 Sensitivity defines transducer-specific limits of detection (Lectures 11-22)
20:40 Selectivity defines the practical limits of detection (Lectures 22-30)
22:00 Geometry is the key for nanobiosensing
22:58 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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