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Phototransistor-Based Optoelectronic Tweezers for Cell Manipulation in Highly Conductive Solution
Hsu, H.Y. Ohta, A.T. Chiou, P.Y. Jamshidi, A. Wu, M.C.
Berkeley Sensor & Actuator Center, Berkeley;

This paper appears in: Solid-State Sensors, Actuators and Microsystems Conference, 2007. TRANSDUCERS 2007. International
Publication Date: 10-14 June 2007
On page(s): 477-480
Location: Lyon,
ISBN: 1-4244-0842-3
INSPEC Accession Number: 9828519
Digital Object Identifier: 10.1109/SENSOR.2007.4300171
Current Version Published: 2007-09-24

Abstract
We report on a novel phototransistor-based optoelectronic tweezers (OET) that, for the first time, enables operation in high-conductivity solutions, such as physiological buffers and cell culture media. This new capability allows the manipulation of cells in biocompatible environments. The controlled transport of HeLa and Jurkat cells at velocities of up to 35 mum/s in phosphate-buffered saline (PBS) solution has been demonstrated.

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