Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/21938
Title: A PDMS microfluidic chip with nanostructures for bacteria concentration and fast detection
Authors: Yu, J
Xiao, L
Yang, M 
Keywords: Alumina
Biosensors
Electrochemical impedance spectroscopy
Electrophoresis
Microfluidics
Microorganisms
Microsensors
Nanoporous materials
Issue Date: 2008
Publisher: IEEE
Source: IEEE 21st International Conference on Micro Electro Mechanical Systems, 2008 : MEMS 2008, 13-17 January 2008, Tucson, AZ, p. 272-275 How to cite?
Abstract: This paper presents a new PDMS micro chip with pre-concentration unit by insulated dielectrophoresis and patterned nanoporous membrane for low frequency impedance spectroscopy that has the potential to decrease the time needed to screen industrial and clinical samples for total bacterial content. This device is tested to concentrate Escherichia coli (E. coli) O157:H7 on the microwells with nanoporous membrane from a dilute sample using insulator-based dielectrophoresis (IDEP). Bacteria identification is determined by impedance spectrum of antibody modified nanoporous alumina membrane.
URI: http://hdl.handle.net/10397/21938
ISBN: 978-1-4244-1792-6
978-1-4244-1793-3 (E-ISBN)
ISSN: 1084-6999
DOI: 10.1109/MEMSYS.2008.4443645
Appears in Collections:Conference Paper

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