Award Date

5-2009

Degree Type

Thesis

Degree Name

Master of Science in Electrical Engineering (MSEE)

Department

Electrical and Computer Engineering

First Committee Member

Biswajit Das, Chair

Second Committee Member

Venkatesan Muthukumar

Third Committee Member

Yingtao Jiang

Graduate Faculty Representative

Frank van Breukelen

Number of Pages

57

Abstract

The objective of thesis is to design magnetic sensor for detection of nanoparticles. Recently integrating the standard laboratory techniques into integrated system on chip is growing attention. Recent development is to combine magnetic markers and magnetoresistive sensors together in magnetic chip. In this thesis two magnetoresistive sensors were studied and designed.

By applying magnetic fields, magnetic nanoparticles can be manipulated on-chip, which can be utilized to pull the molecules to specific binding sites or to test the binding strength and distinguish between specifically and non-specifically bound molecules

Magnetoresistive sensors are compatible with the semiconductor industry which provides electronic signal directly as the output. Giantmagnetoresistive senor are based on change in resistance due to the magnetization of electron where as Tunneling device uses the probability of an electron to cross the oxide barrier.

Keywords

Biosensors; Detectors; Magnetics; Nanoparticles

Disciplines

Biological and Chemical Physics | Biomedical Devices and Instrumentation | Biomedical Engineering and Bioengineering | Electrical and Computer Engineering | Nanoscience and Nanotechnology

Language

English

Comments

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