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The U.S. Integrated Ocean Observing System (IOOS) is envisioned to supply ocean observation and modeling data, in support of a variety of products and services that directly affect the safety, livelihood, and the quality of life of the nation's citizens, using a collection of federated assets from Federal, State, Regional and Private organizations engaged in ocean observation. The U.S. Sub-regional...
We report an OTFT-based label-free DNA hybridization detection system integrating electrically-read DNA hybridization sensors and microfluidic delivery channels. We use DNA-doped OTFTs as electrically-read DNA sensors. By integrating with polymer microfluidics, for the first time, we demonstrate the technologies required to realize disposable, rapid turn-around tools for field-deployable genetic diagnosis.
For the first time, we demonstrate organic transistor-based DNA sensors. DNA molecules are immobilized directly on the surface of organic semiconductors, producing an unambiguous doping-induced threshold voltage shift. With these shifts, single- and double stranded DNA are differentiated successfully. Factors that influence sensor sensitivity have been analyzed and optimum conditions have been determined...
Printing is considered an attractive technology for realizing electronic functionality at low cost. Inkjet printing, in particular is very attractive for applications requiring low material consumption and spatially-specific material deposition. We report on inkjet-printed transistors offering performance approaching that of amorphous silicon, fabricated using nanoparticle-based metallization and...
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