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  • Volume 3, Issue 6

    More content from Volume 3, Issue 6

    (Image courtesy of Philipp J. Keller)
    FIGURE 1. Using DSLM-SI, cells in a fly embryo can be reconstructed. These orthographic renderings come from data at 3.20 and 4.85 hours post-fertilization (left and right, respectively). Each sphere corresponds to one nucleus, with the color encoding the average local nuclear movement speed (cyan to orange: 0-0.8 µm/min).
    One of the most recent approaches to making a three-dimensional representation from two-dimensional imagery comes from structured illumination microscopy (SIM).
    Nov. 1, 2010
    (Image courtesy Jun Zhang and Zhongping Chen)
    FIGURE 1. The fiber-optic probe (left) is small enough to enable intra-oral imaging (center), and the display makes easily visible the output of the probe (right).
    Today's most common oral cancer diagnostic method is prone to false positives and negatives. Optical technologies promise non-invasive, non-ionizing solutions, however, and in...
    Nov. 1, 2010
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    Biophotonics Week in September brought together approximately 300 people for two conferences, a workshop, and a graduate school.
    Nov. 1, 2010
    FIGURE 1. A Raman spectrum of cholesterol delineates the fingerprint and high wavenumber Raman shift regions. If the spectrum of the excitation light were included, it would be on the far-left side of the plot and would be several orders of magnitude larger than this spectrum.
    Catheters based on advanced high-wavenumber Raman spectroscopy can identify and quantify lipids and lipid subcategories within human coronary arteries in-vivo. The technology ...
    Nov. 1, 2010
    Using excitation emission matrix spectroscopy, researchers have discovered the unique spectral fingerprints for oil, weathered oil, and dissolved oil from the Deepwater Horizon oil spill in the Gulf of Mexico. Ongoing fluorescence studies will assist in development of new optical sensors to track oil in seawater.
    As oil gushed into the Gulf of Mexico this summer, the National Science Foundation (NSF) responded with lightning speed to fund proposals for research related to the spill.
    Nov. 1, 2010
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    The Spectral Reflectance Imaging Biosensor (SRIB) is a multiplexed immunoassay platform that identifies specific protein biomarkers in blood, urine or saliva, and enables many...
    Nov. 1, 2010
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    A simple synthesis method, developed by X. Nancy Xu and her research group AT Old Dominion University (ODU), is able to produce silver and gold nanoparticles in an array of shapes...
    Nov. 1, 2010
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    Ed Davis, DPM, FACFAS, a podiatrist based in the San Antonio, TX, area, has boosted his treatment options in his practice with Multiwave Locked System (MLS) therapy for treating...
    Nov. 1, 2010
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    Scientists at the University of Bonn (Germany) have succeeded in altering cardiac muscle cells to make them controllable with light, and then causing conditions such as arrhythmia...
    Nov. 1, 2010
    FIGURE 1. Topical PDT is administered using an Aktilite 128 LED source (Photocure ASA/Galderma), which has a field large enough to enable treatment of one whole lower leg surface in one sitting (right). The Aktilite 16 is the same lamp with a smaller irradiation field, and therefore it is suitable only for single lesions (left).
    Topical photodynamic therapy (PDT) has been increasingly used in recent years, and its main indication is for superficial non-melanoma skin cancer. This approach can offer several...
    Nov. 1, 2010
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    A fluorescent probe developed at the University of California at San Diego could enable real-time toxin screening of seafood.
    Nov. 1, 2010
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    Partial wave spectroscopic (PWS) microscopy has now proven able to detect early signs of lung cancer by examining cheek cells in humans.
    Nov. 1, 2010
    Discovery by researchers at Queen's University (Kingston, ON, Canada) about how molecules in glass or plastic are able to move when exposed to laser light could facilitate the...
    Nov. 1, 2010
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    Engineers at Taiwan's National Cheng Kung University have created an on-chip method for sorting and identifying bacteria.
    Nov. 1, 2010