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Big Mac Ingredient Stabilizes Gold Nanoparticles

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COLUMBIA, Mo., Feb. 27, 2007 -- Researchers have discovered that gum arabic, a plant extract used to stabilize foods such as Big Macs, yogurt and soda, can be used to absorb and assimilate metals and create a "coating" that makes gold nanoparticles safe for nanomedicine applications. Scientists think the future of cancer detection and treatment may lay in gold nanoparticles -- tiny pieces of gold so small they cannot be seen by the naked eye. Their potential as in vivo sensors, photoactive agents for optical imaging, drug carriers, contrast enhancers in computer tomography and x-ray absorbers in cancer therapy has been...Read full article

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    Published: February 2007
    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.
    nanoparticle
    A small object that behaves as a whole unit or entity in terms of it's transport and it's properties, as opposed to an individual molecule which on it's own is not considered a nanoparticle.. Nanoparticles range between 100 and 2500 nanometers in diameter.
    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...
    radiology
    The study of radioactive substances and high-energy radiations such as x-rays and g-rays.
    sensor
    1. A generic term for detector. 2. A complete optical/mechanical/electronic system that contains some form of radiation detector.
    Basic ScienceBig MacbiocompatiblebiologicalBiophotonicscancergoldgum arabicImagingin vivoindustrialKannanKattesh KattinanonanomedicinenanoparticleNews & FeaturesnontoxicphotonicsradiologysensorSensors & DetectorsUniversity of Missouri

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