Skip to Content
Find More Like This
Return to Search

Fluorescent sensor for mercury

United States Patent

November 22, 2011
View the Complete Patent at the US Patent & Trademark Office
The present invention provides a sensor for detecting mercury, comprising: a first polynucleotide, comprising a first region, and a second region, a second polynucleotide, a third polynucleotide, a fluorophore, and a quencher, wherein the third polynucleotide is optionally linked to the second region; the fluorophore is linked to the first polynucleotide and the quencher is linked to the second polynucleotide, or the fluorophore is linked to the second polynucleotide and the quencher is linked to the first polynucleotide; the first region and the second region hybridize to the second polynucleotide; and the second region binds to the third polynucleotide in the presence of Hg.sup.2+ ions.
Wang; Zidong (Urbana, IL), Lee; Jung Heon (Evanston, IL), Lu; Yi (Champaign, IL)
The Board of Trustees of the University of Illinois (Urbana, IL)
12/ 564,715
September 22, 2009
FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The subject matter of this application may have been funded in part by the National Science Foundation (DMI-0328162, DMR-0117792, and CTS-0120978), and the U.S. Department of Energy (DE-FG02-01ER63173). The federal government may have certain rights in this invention.