Product category:
Nucleic acid sequencing and synthesis
News Release from: Applied Biosystems
Edited by the Laboratorytalk Editorial
Team on 12 December 2006
Development of a single molecule
detection device
Applied Biosystems in deal with Eagle Research and Development over inexpensive, disposable single molecule detection device that may correlate DNA and its expressed proteins with specific diseases
Eagle's patented technology, currently in prototype stage, identifies and quantifies molecules based on their unique electronic charge signatures Applied Biosystems believes the technology could have significant implications for advancing personalized medicine based on its potential for faster, more efficient and less expensive protein and nucleic acid identification, protein-protein and protein/small molecule interaction measurements, and DNA sequencing
This article was originally published on Laboratorytalk on 2 Oct 2001 at 8.00am (UK)
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The miniature silicon device constructed by Eagle consists of an array of nanopores, with each nanopore containing embedded semiconductors or field-effect transistors (FETs).
As single molecules are driven through a nanopore by a voltage differential, the three-dimensional charge profile of a molecule is measured by the FETs, enabling each molecule in the sample to be uniquely identified and precisely quantified.
The Eagle device is unique because it measures a molecule's three-dimensional electronic charge profile directly and without the use of fluorescent or other labels, thermal cycling or optics.
Compared to other nanopore-based technologies for measuring molecules using electronic signals, the Eagle approach achieves a 1000-fold higher sensitivity as a result of the FETs embedded in the nanopores.
As part of the agreement, Applied Biosystems has received an exclusive two-year option to license the technology, during which time the intention is to focus initial development support and feasibility testing for applications in protein identification and detection of protein-binding events.
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