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NIR Light, Gold Nanoparticles Combine to Inactivate Bacteria

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A rapid photothermal technique has been developed that irradiates near-infrared (NIR) light to inactivate bacterial cells, such as E. coli, deposited on surfaces coated with gold nanoparticles. The method could one day help hospitals treat some common infections without using antibiotics, which could help reduce antibiotic resistance. Scientists from the University of Houston created nanoporous gold disks (NPGDs) in the lab by dissolving gold and reducing it to nanometer-scale particles. Once miniaturized, the particles could be crafted into various shapes including rods, triangles or...Read full article

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    Published: April 2016
    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.
    phototherapy
    Phototherapy is a medical treatment that involves the use of light to treat various conditions, particularly those related to the skin or mood disorders. There are different types of phototherapies, each tailored to address specific conditions: UV phototherapy: This form of phototherapy utilizes ultraviolet (UV) light to treat skin conditions such as psoriasis, eczema, vitiligo, and certain types of dermatitis. UV radiation can suppress the immune system and reduce inflammation, leading to...
    Research & TechnologyAmericasHoustonTexasOSAMaterialsnanoBiophotonicsphototherapyWei-Chuan ShihbacteriaantibioticsBioScan

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