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SERS molecular probe for diagnostics and therapy and methods of use thereof

United States Patent

May 31, 2011
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
An oligonucleotide-based SERS molecular probe (SMP) includes a nanoparticle having at least a metal component, and at least one pin loop, the pin loop including a loop sequence complementary to at least one target sequence, a first stem attached to one end of the loop sequence, a second stem attached to the other end of the loop sequence, and at least one SERS active label attached to the first stem. The nanoparticle is attached to the second stem. The probe generates a stronger SERS signal upon irradiation with excitation radiation when not bound to the target sequence as compared to the SERS signal generated following hybridization of the probe with the target sequence.
Vo-Dinh; Tuan (Knoxville, TN)
U-T Battelle, LLC (Oak Ridge, TN)
11/ 972,110
January 10, 2008
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The United States Government has rights in this invention pursuant to Contract No. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.