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Research Papers

Clamped-Free Single-Walled Carbon Nanotube-Based Mass Sensor Treated as Bernoulli–Euler Beam

[+] Author and Article Information
I. Elishakoff

Department of Ocean and Mechanical Engineering, Florida Atlantic University, Boca Raton, FL 33431-0991elishako@fau.edu

C. Versaci1

Department of Civil Engineering, University of Messina, Contrada di Dio (Villagio Sant’ Agata), 98166 Messina, Italyclaudia.versaci@ingegneria.unime.it

N. Maugeri

Department of Civil Engineering, University of Messina, Contrada di Dio (Villagio Sant’ Agata), 98166 Messina, Italynmaugeri@ingegneria.unime.it

G. Muscolino

Department of Civil Engineering, University of Messina, Contrada di Dio (Villagio Sant’ Agata), 98166 Messina, Italymuscolin@ingegneria.unime.it

1

Corresponding author.

J. Nanotechnol. Eng. Med 2(2), 021001 (May 13, 2011) (8 pages) doi:10.1115/1.4003734 History: Received January 14, 2011; Revised February 27, 2011; Published May 13, 2011; Online May 13, 2011

In this study, we investigate the vibrations of the cantilever single-walled carbon nanotube (SWCNT) with attached bacterium on the tip in view of developing the sensor. This sensor will be able to help to identify the bacterium or virus that may be attached to the SWCNT. Two cases are considered: These are light or heavy bacteria attached to the nanotube. The problem is solved by the exact solution, the finite difference method, and the Bubnov–Galerkin method.

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Copyright © 2011 by American Society of Mechanical Engineers
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Figures

Grahic Jump Location
Figure 1

(a) Spherical bacterium at the tip of SWCNT, (b) cylindrical bacterium vertically placed, and (c) cylindrical bacterium horizontally placed

Grahic Jump Location
Figure 2

Variation of the fundamental natural frequency with the light bacterium/virus on the tip

Grahic Jump Location
Figure 3

Variation of the fundamental natural frequency with the heavy bacterium/virus on the tip with bacterium vertically placed

Grahic Jump Location
Figure 4

Variation of the fundamental natural frequency with the heavy bacterium/virus on the tip with bacterium horizontally placed

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