Synonyms
Mechanical nanodetectors
Definition
Mechanical nanosensors are devices that measure physical and chemical properties in a nanoscale region or detect the presence of (bio)molecules based on the principles of mechanics [1].
Overview
Mechanical nanosensors possess comparative advantages over optical nanosensors and electromagnetic nanosensors for the measurement of nanoscale mechanical properties [2]. Examples of mechanical nanosensors include CNT-based fluidic shear-stress sensors [3] and the nanomechanical cantilever sensors [4].
The atomic force microscope or AFM detects image surface structures (on a nm or even sub-nm scale) and measures surface forces. The operation of AFM is the detection of the bending of this cantilever spring as a response to applied forces on the surface. In the case of adhesive interaction between the tip and a surface, these forces are of the order 0.1–1 nN. The standard AFM contains a microscopic tip (curvature radius of ~10–50 nm) attached to a...
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© 2015 Springer Science+Business Media New York
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Ching, R.C.M., Lim, TC. (2015). Mechanical Nanosensors. In: Li, D. (eds) Encyclopedia of Microfluidics and Nanofluidics. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-5491-5_868
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DOI: https://doi.org/10.1007/978-1-4614-5491-5_868
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