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A microfluidic system for saliva-based detection of infectious diseases
Journal article

A microfluidic system for saliva-based detection of infectious diseases

Zongyuan Chen, Michael G Mauk, Jing Wang, William R Abrams, Paul L A M Corstjens, R Sam Niedbala, Daniel Malamud and Haim H Bau
Annals of the New York Academy of Sciences, v 1098(1), pp 429-436
Mar 2007
PMID: 17435147

Abstract

Microfluidics - instrumentation Bacteria - isolation & purification DNA, Bacterial - genetics Humans Cells, Cultured Polymerase Chain Reaction Saliva - microbiology DNA, Bacterial - analysis Lab-On-A-Chip Devices Bacterial Infections - diagnosis Bacteria - genetics Bacterial Infections - microbiology
A "lab-on-a-chip" system for detecting bacterial pathogens in oral fluid samples is described. The system comprises: (1) an oral fluid sample collector; (2) a disposable, plastic microfluidic cassette ("chip") for sample processing including immunochromatographic assay with a nitrocellulose lateral flow strip; (3) a platform that controls the cassette operation by providing metered quantities of reagents, temperature regulation, valve actuation; and (4) a laser scanner to interrogate the lateral flow strip. The microfluidic chip hosts a fluidic network for cell lysis, nucleic acid extraction and isolation, PCR, and labeling of the PCR product with bioconjugated, upconverting phosphor particles for detection on the lateral flow strip.

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79 citations in Scopus

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Collaboration types
Domestic collaboration
International collaboration
Web of Science research areas
Dentistry, Oral Surgery & Medicine
Medical Laboratory Technology
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