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Flip-chip distributed MEMS transmission lines (DMTLs) for biosensing applications

Li, L. and Uttamchandani, D.G. (2009) Flip-chip distributed MEMS transmission lines (DMTLs) for biosensing applications. IEEE Transactions on Industrial Electronics, 56 (4). pp. 986-990. ISSN 0278-0046

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Abstract

Design and characterization of a flip-chip distributed MEMS transmission line (DMTL) are presented. The concept of using this DMTL as a biosensor is then introduced. Radio frequency experiments on the DMTL loaded with ldquobiosamplesrdquo have been conducted using the most accessible materials, namely, deionized water and aqueous solutions of salts. Results show that the reflection coefficient (S11) of the solution-loaded DMTL is very sensitive to the salt concentration of the solution in the low-frequency ranges of 10 MHz-1 GHz and 3-4.5 GHz. At high frequencies, the relative dielectric constant of the biosample can also be quantitatively determined from the impedance of the DMTL.

Item type: Article
ID code: 12815
Keywords: biosensor, distributed MEMS transmission line, DMTL, flip-chip, Electrical engineering. Electronics Nuclear engineering, Control and Systems Engineering, Computer Science Applications, Electrical and Electronic Engineering
Subjects: Technology > Electrical engineering. Electronics Nuclear engineering
Department: Faculty of Engineering > Electronic and Electrical Engineering
Depositing user: Strathprints Administrator
Date Deposited: 30 Jun 2010 15:14
Last modified: 27 Mar 2015 01:32
URI: http://strathprints.strath.ac.uk/id/eprint/12815

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