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HomeKeywordsdetection

Keywords: detection

Bacterial Concentration Detection with Dielectrophoresis and Capacitive Measurement

Yoo J-H, Cha M.S., Lee J., Seoul National University, KR
The concentration of Escherichia coli (E.coli) cells in water was detected by depositing them on an array of electrodes using dielectrophoresis (DEP). Electrowetting was used to effectively concentrate the E.coli in a droplet of water [...]

Fabrication of interdigitated nanogap devices for biomolecular detection

Park H.J., Chi Y.S., Ah C.S., Ha D.H., Choi I.S., Yun W.S., Korea Research Institute of Standards and Science (KRISS), KR
One of the most fascinating fields of nanodevice research is its application to the detection of biologically important entities such as DNAs, peptides, antigens, enzymes, viruses, and cells. Nanoelectronic devices adopted in this study are [...]

Real-time Detection and Quantitation of siRNAs in vivo

Cheng A., Liang Y., Vlassov A., Li M., Liang Y., Wang Y., Wong L., Chen C., Cheng A., Magdaleno S., Ambion Inc., An Applied Biosytems Business, US
We have developed TaqMan based RT-PCR assays to detect and quantitate siRNAs in vivo. These assays can be used to measure siRNA delivery efficiency after injections and follow body distribution. These assays can also be [...]

Dye Coded Nanoparticle as SERRS Labels for Ultrasensitive Detection of Proteins and Antibodies

Stevenson R., Stokes R.J., Ingram A., Faulds K., Graham D., The University of Strathclyde, UK
We have developed a novel surface enhanced resonance Raman scattering (SERRS) detection method that is amenable for almost any biological target. By utilising the information rich spectrum obtained from SERRS we show that we can [...]

Nanotechnology for Building Security

Elvin G., Green Technology Forum, US
Despite increased vigilance and annual federal anti-terrorism spending in excess of $55 billion, building security remains a major concern for most Americans. For those working in large governmental or institutional buildings, fears are particularly acute. [...]

Manufacturable, Highly Responsive Nanowire Mercury Sensors

Keebaugh S., Nam W.J., Fonash S.J., The Pennsylvania State University, US
We have developed a manufacturable and highly responsive gold nanowire sensor capable of detecting ppb concentrations of mercury in air and water. The nanowire sensor exhibits a superior response compared to thin film sensors and [...]

Synthesis of a nano electro-magnetic polymer and its application in a DCT biosensor

Pal S., Hummel E.B., Alocilja E.C., Michigan State University, US
This experimental study was focused on the development of a nanomagnetic conductive polymer and its application in a direct-charge transfer biosensor (Figure1) for the detection of Bacillus species. A polyaniline-γFe2O3 nanocomposite transducer was first synthesized [...]

Detection of Small Molecule-Protein Binding with Amorphous Silicon Nanostructures

Lund J., Mehta R., Parviz B., University of Washington, US
We present the fabrication and characterization of a nano-scale sensor made of amorphous silicon (a-Si) for electronic detection of small molecule –protein binding. The main component of the detector is a nano-scale a-Si semicircle with [...]

Dendrimer Nanoparticles for Extending Biosensor Lifetime

Qian X., Tabacco M.B., Smiths Detection, US
Smiths Detection has been developing semi-selective optical biosensors for the direct airborne detection of the four primary classes of biological warfare agent: bacteria, bacterial spores, toxins and viruses. The sensors have good sensitivity and selectivity. [...]

Rapid DNA Sequence Identification based on Electrostatic Interactions with Unmodified Gold Nanoparticles

Li H.X., Rothberg L.J., University of Rochester, US
Sequence-specific detection of DNA play more and more important role in clinical diagnosis and molecular biology research. Most assays identify specific sequence through hybridization of an immobilized probe to the target analyte after the latter [...]

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