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Micro/Nano Technology Systems for Biomedical ApplicationsMicrofluidics, Optics, and Surface Chemistry$
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Chih-Ming Ho

Print publication date: 2010

Print ISBN-13: 9780199219698

Published to Oxford Scholarship Online: September 2010

DOI: 10.1093/acprof:oso/9780199219698.001.0001

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PRINTED FROM OXFORD SCHOLARSHIP ONLINE (oxford.universitypressscholarship.com). (c) Copyright Oxford University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in OSO for personal use. date: 08 December 2021

Optoelectronic Tweezers

Optoelectronic Tweezers

Chapter:
(p.317) 9 Optoelectronic Tweezers
Source:
Micro/Nano Technology Systems for Biomedical Applications
Author(s):

Eric P.Y. Chiou

Ming C. Wu

Publisher:
Oxford University Press
DOI:10.1093/acprof:oso/9780199219698.003.0009

This chapter introduces optoelectronics tweezers (OET) and its applications in manipulating micro- and nano-scale particles in fluidic environment. It starts with a brief overview of various particle manipulation techniques, including optical tweezers, dielectrophoresis and OET. It is followed by a detailed discussion of OET operation principle, device structures, theoretical models, optimal liquid conductivity, and experimental results on the manipulation of a variety of micro and nanoparticles such as bacteria, mammalian cells, and nanowires. Numerous OET enabled microfluidic functions such as massively parallel single particle manipulation, microparticle sorting using dynamic optical images, real-time interactive control of OET, and micro/nanoparticle patterning are also included. Recent advance in single crystalline OET that is capable of manipulating biological cells in high conductivity physiological media is also discussed.

Keywords:   OET, optical tweezers, dielectrophoresis, optoelectronic tweezers, single cell manipulation

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