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Graphene Sensor Detects Substances, Boosts Food Safety

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A new sensor design makes use of the optoelectronic properties of graphene to enable simultaneous detection of multiple substances, including bacteria and other pathogens. The design is based on 2D graphene sheets, each just one atom thick, and was created by researchers at China Jiliang University. Using theoretical calculations and simulations, the researchers designed an array of nanoscale graphene disks. They introduced a small circular defect — an off-center hole — into each nanodisk. When light hit the disk array, the interaction between the disks and their holes...Read full article

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    BioPhotonics
    Feb/Mar 2019
    GLOSSARY
    optical materials
    Materials that, by virtue of their optical characteristics (i.e. refractive index, dispersion, etc.), are used in optical elements. See crystal; glass; plastic lens.
    Research & TechnologyeducationAsia-PacificSensors & Detectorsmaterialsoptical materialsgraphenegraphene-based sensorsplasmon hybridizationmetamaterialsindustrialConsumerTech PulseBioScan

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