1. Heating Up Microscopy

    DURHAM, N.C., Sept. 17, 2008 – Bioengineers at Duke University are using nanospheres of gold to create a photothermal optical coherence tomography (OCT) to witness the interaction of living molecules. OCT, which has been called the optical equivalent of an ultrasound, is commonly used in medical clinics where imaging at the highest resolution is key. If successful, the researchers believe that their new approach can have a wide spectrum of clinical applications, from studying the margins of a tumor as it is removed from the body to assessing the effects of anti-cancer agents on the blood vessels that nourish tumors ...
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    1. This technique could possibly augment traditional methods of deep-tissue molecular imaging with a relatively high resolution.
    2. The use of metal nanoparticles as contrast agents with photothermal OCT technology could lead to a host of potential clinical applications.
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