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Nanohole-Based Sensors Ideal for Medical Diagnostics

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SINGAPORE, July 20, 2012 — Novel molecular sensors based on thin metallic films with nanoholes hold promise for medical diagnostic applications where it is necessary to detect small quantities of molecules. For gas sensing and biomedical diagnostics, sensing small quantities of molecules is important. The majority of these applications require inexpensive disposable sensors, but they must be sensitive enough to detect single molecules. Ping Bai and colleagues at the A*Star Institute of High Performance Computing and the Institute of Materials Research and Engineering have studied the properties of thin-film...Read full article

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    Published: July 2012
    Glossary
    nano
    An SI prefix meaning one billionth (10-9). Nano can also be used to indicate the study of atoms, molecules and other structures and particles on the nanometer scale. Nano-optics (also referred to as nanophotonics), for example, is the study of how light and light-matter interactions behave on the nanometer scale. See nanophotonics.
    photonics
    The technology of generating and harnessing light and other forms of radiant energy whose quantum unit is the photon. The science includes light emission, transmission, deflection, amplification and detection by optical components and instruments, lasers and other light sources, fiber optics, electro-optical instrumentation, related hardware and electronics, and sophisticated systems. The range of applications of photonics extends from energy generation to detection to communications and...
    A*Star Institute of High Performance ComputingAsia-Pacificbiomedical diagnosticsBiophotonicsgas sensingglucose test kitsImagingimaging and sensingInstitute of Materials Research and Engineeringlight transmissionmetallic thin films with nanoholesMicroscopymolecular sensingnanonanoholesphotonicsPing Baiprostate cancerResearch & TechnologySensors & DetectorsSingaporesingle-molecule levelsmall molecule detectionSPP sensingsurface plasmon polaritonstracer molecules

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