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Plasmonic Patch Boosts Fluorescence for Biosensing, Bioimaging

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To strengthen weak signals in fluorescence-based detection and imaging techniques, researchers have developed an inexpensive plasmonic patch that can increase fluorescence intensity up to 100×. The patch, about a centimeter square, is based on a flexible and conformal elastomeric film with embedded plasmonic nanostructures. Its use does not require any change in testing protocols. After the sample is prepared, the patch is transferred onto its surface, and the sample is scanned as usual. “It’s a thin layer of elastic, transparent material with gold nanorods or...Read full article

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    Published: July 2018
    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 & TechnologyeducationAmericasImagingLight SourcesMaterialsSensors & DetectorsmedicalBiophotonicsbioimagingbiomedical opticsbiosensingbiosensorfluorescenceplasmonicnanostructureBioScan

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