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Silver and Synthetic DNA Used to Create Fluorescent Arrays

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A research team at the University of California, Santa Barbara, has discovered how to create a programmed, tunable fluorescent array by cradling silver nanoclusters inside synthetic DNA. Led by Beth Gwinn, a professor in UCSB’s physics department, the team worked with the precious metal to create nanoscale silver clusters with unique fluorescent properties. These properties are important for a variety of sensing applications, including biomedical imaging. Most recently, the scientists positioned silver clusters at programmed sites on a nanoscale breadboard, which is a...Read full article

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    Published: May 2015
    Glossary
    fluorescence
    Fluorescence is a type of luminescence, which is the emission of light by a substance that has absorbed light or other electromagnetic radiation. Specifically, fluorescence involves the absorption of light at one wavelength and the subsequent re-emission of light at a longer wavelength. The emitted light occurs almost instantaneously and ceases when the excitation light source is removed. Key characteristics of fluorescence include: Excitation and emission wavelengths: Fluorescent materials...
    Research & TechnologyAmericasCaliforniaUniversity of CaliforniaSanta BarbaraUCSBBeth GwinnStacy CoppBiophotonicsImagingfluorescenceBioScan

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