NDLI: Lab-on-a-Display: Microparticles Manipulation using Liquid Crystal Display

Content Provider	IEEE Xplore Digital Library
Author	Wonjae Choi Sewhan Kim Jin Jang Je-Kyun Park
Copyright Year	2006
Description	Author affiliation: Dept. of BioSyst., Korea Adv. Inst. of Sci. & Technol., Daejeon (Wonjae Choi)
Abstract	We report a new microfluidic system, `lab-on-a-display', that microparticles can be manipulated by dielectrophoretic forces generated from the optoelectronic tweezers (OET) on a liquid crystal display (LCD). In this study, the lab-on-a-display is first realized by a conventional LCD module and an OET device including a ground layer, a liquid layer containing microparticles, and a photoconductive layer. When an AC bias voltage is applied between the photoconductive and the ground layers, the LCD makes an image and transmits it to the OET device. Consequently, the image forms virtual electrodes on the surface of photoconductive layer, which results in the electric field gradient to generate a dielectrophoretic force. The lab-on-a-display is successfully applied to the programmable manipulation of 45 mum polystyrene particles. Our lab-on-a-display platform may be potential for programmable particle manipulation or a bioprocessing unit including a cell separator and a bead-based immunoassay
Starting Page	39
Ending Page	42
File Size	1155255
Page Count	4
File Format	PDF
ISBN	1424403375
DOI	10.1109/MMB.2006.251484
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-05-09
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Liquid crystal displays Dielectrophoresis Photoconducting devices Microfluidics Voltage Electrodes Photoconductivity Electric fields Particle separators Immune system virtual electrode lab-on-a-display dielectrophoresis optoelectronic tweezers liquid crystal display (LCD)
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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