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Surface-enhanced Optical Upconversion Luminescence (SOUL) for Single miRNA Detection

Technology Application
Customized SOUL probe targeting specific miRNA for researchers who want to see the expression level of the miRNA of their interests in living single cells.
Detailed Technology Description
None
Others

Additional Technologies by these Inventors


Tech ID/UC Case

21997/2012-032-0


Related Cases

2012-032-0
*Abstract
MicroRNA (miRNA) is a gene expression regulator performing a critical role in epigenetics. Despite its importance in biology, the detection of miRNA at the single-molecule level has not been reported because it is difficult to detect due to its small molecular weight, fast dynamics, and low dehibridization temperature (melting point). Researchers at the University of California, Berkeley, have designed systems for both intracellular detection of single molecule miRNA of living single human cancer cells employing surface-enhanced upconversion using nanoparticles and locked nucleic acid (LNA)­ DNA/LNA-RNA hybridization. They have designed and synthesized gold nanoparticles for non-phototoxic wavelength tuning, and a huge surface enhancement, and finally inject into living single cells of drug-resistant human epithelial lung cancer cells. When they meet the target miRNAs, they will be disassembled which brings a dramatic change of signal measured by a home-built, multi-channel dark field imaging system. 
*Principal Investigator

Name: Kyuwan Lee

Department:


Name: Luke Lee

Department:

Country/Region
USA

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