Journal
LAB ON A CHIP
Volume 4, Issue 1, Pages 11-17Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b310285h
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Funding
- NATIONAL INSTITUTE OF BIOMEDICAL IMAGING AND BIOENGINEERING [R01EB006198] Funding Source: NIH RePORTER
- NIBIB NIH HHS [R01 EB006198, R01 EB006198-01] Funding Source: Medline
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We describe the manipulation of aqueous droplets in an immiscible, low-permittivity suspending medium. Such droplets may serve as carriers for not only air-and water-borne samples, contaminants, chemical reagents, viral and gene products, and cells, but also the reagents to process and characterise these samples. We present proofs-of-concept for droplet manipulation through dielectrophoresis by: ( 1) moving droplets on a two-dimensional array of electrodes, ( 2) achieving dielectrically-activated droplet injection, ( 3) fusing and reacting droplets, and ( 4) conducting a basic biological assay through a combination of these steps. A long-term goal of this research is to provide a platform fluidic processor technology that can form the core of versatile, automated, micro-scale devices to perform chemical and biological assays at or near the point of care, which will increase the availability of modern medicine to people who do not have ready access to modern medical institutions, and decrease the cost and delays associated with that lack of access.
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