Design and analysis of a cantilever biosensor based on a boron nitride nanotube
Islam, M. S., Kouzani, A. Z., Dai, X. J. and Michalski, W. P. 2010, Design and analysis of a cantilever biosensor based on a boron nitride nanotube, in TENCON 2010 : Proceedings of the 2010 IEEE Region 10 Conference, IEEE, Piscataway, N.J., pp. 1951-1956.
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In this paper, we introduce a single-walled boron nitride nanotube (SWBNNT)-based cantilever biosensor, and investigate its bending deformation. The BNNT-based cantilever is modelled by accounting that the surface of the cantilever beam is coated with the antibody molecule. We have considered two main approaches for the mechanical deformation of the BNNT beam. The first one is differential surface stress produced by the binding of biomolecules onto its surface, and the second one is the charge released from the biomolecular interaction. In addition, other parameters including length of beam, variation of beam’s location and chiralities of the BNNT have been taken into consideration to design the cantilever biosensor. The computed results are in good agreement with the well known electrostatic equations that govern the deformation of the cantilever.
Field of Research
091306 Microelectromechanical Systems (MEMS) 090303 Biomedical Instrumentation
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