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  • Volume 6, Issue 2

    • Volume 6, Issue 2

    1303bowbreakf2
    March 1, 2013
    Recently, researchers broke ground on a new application for optical coherence tomography (OCT) when they made the first-ever demonstration of structural and functional imaging...
    1303bowbreak Add Fig3
    March 1, 2013
    A pair of Swiss researchers has designed a device, based on holographic microscopy and computational image processing, that can create 3D images of living cells and track their...
    Image courtesy of Gary Shambat, Stanford School of Engineering
    Scanning electron microscopy (SEM) depicts a nanobeam, including a large part of the handle tip, inserted in a typical cell.
    Barbara Gefvert
    March 1, 2013
    A new study is the first, according to its authors, to demonstrate that sophisticated, engineered light resonators can be inserted inside cells without causing damage.
    1303bowbreakf6
    March 1, 2013
    Multispectral imaging has enabled the discovery that blood flow is controlled differently by infant and adult brains.
    1303bowbreakf5
    March 1, 2013
    The Raman effect - the inelastic scattering of light from a specimen - produces a molecular fingerprint that can identify a sample by its constituent elements.

    More content from Volume 6, Issue 2

    1303bowbreak Fig4
    March 1, 2013
    Spanish and Australian researchers have collaborated on a new imaging technique similar to magnetic resonance imaging (MRI), but offering resolution and sensitivity sufficient...
    (Image courtesy of Michalina Gora, Ph.D., and Kevin Gallagher, Wellman Center for Photomedicine, Massachusetts General Hospital)
    This one-inch endomicroscopy capsule, tethered to a console by optical fiber, contains a rotating infrared laser tip along with sensors that record reflected light.
    Barbara Gefvert
    March 1, 2013
    A laser-based imaging system enclosed in a capsule about the size of a multivitamin is the creation of researchers at the Wellman Center for Photomedicine at Massachusetts General...
    Barbaragoode2
    Barbara Gefvert
    March 1, 2013
    Was the 2013 SPIE Startup Challenge a good barometer for the impact of life sciences in emerging applications of optics and photonics?
    (Courtesy of BioPet Vet Lab/PooPrints)
    BioPet Vet Lab scientists work to find a DNA match for PooPrints-friendly communities across the country.
    Lee Dubay
    March 1, 2013
    Dog owners disgusted by scooping your dog's poop, take note: If you live in a managed community where there is a known problem of dog walkers who won't clean up after them, your...
    FIGURE 1. Simulated spectra of the biomarker hydrogen cyanide (HCN), along with the most important interfering compound, water vapor (H2O), at atmospheric pressure and at concentrations typically found in exhaled human breath. Note the logarithmic scale on the y axis.
    March 1, 2013
    Technological advances have done away with the need to concentrate breath for analysis, and promise noninvasive measurement of biomarkers. Studies based on mid-infrared light ...
    (Image courtesy of Polymicro Technologies)
    Polymicro Technologies' sterilizable and biocompatible JTFIH silica/silica optical fiber delivering laser light at its tip.
    Lee Dubay
    March 1, 2013
    Optical fiber technology, which has been used in the clinic since the 1960s, offers a convenient, affordable, safe, and effective approach for delivering light to and from the...
    FIGURE 1. (a) A laboratory-based cryogenic soft x-ray radiograph shows a S. cerevisiae yeast cell at a 2° tilt; (b) The central slice of the corresponding tomographic reconstruction from a full 120° tilt series corresponds to a total dose of 7.2 MGy of absorbed radiation; (c and d) In the depiction of the 3D segmented volume of the cell membrane (c) and internal organelles (b), the smallest detectable structure is approximately 90 nm in diameter.
    March 1, 2013
    Soft x-ray microscopy enables imaging of whole cells at intermediate length scales, helping to bridge the resolution gap between light and electron microscopy. The widespread ...
    (Image courtesy of Stephen A. Boppart)
    FIGURE 1. This handheld device uses optical coherence tomography (OCT) to reveal bacterial biofilms—behind the tympanic membrane (TM)—that cause ear infections.
    Mike May
    March 1, 2013
    Near-infrared light enables handheld both diagnostics and screening instruments that could add considerable power to the arsenal of primary care and specialty physicians.
    Students at the Principles and Applications of Time-resolved Fluorescence Spectroscopy European short course appreciated the opportunity to talk with renowned scientist Joseph R. Lakowicz, director of the Center for Fluorescence Spectroscopy at the University of Maryland School of Medicine, who co-founded the event in 2003.
    Barbara Gefvert
    March 1, 2013
    PicoQuant GmbH (Berlin, Germany) celebrated the 10th edition of its European Short Course called Principles and Applications of Time-resolved Fluorescence Spectroscopy in Berlin...
    1303bownews Fig3
    March 1, 2013
    Bio-optics technologies figured prominently at the 2013 American Association for the Advancement of Science (AAAS) meeting (February 14-18, Boston, MA).
    1303bownews Fig2
    March 1, 2013
    BiOS, the world's largest biomedical optics and biophotonics symposium and exhibition, launched the 2013 Photonics West (February 2-7, San Francisco, CA) event.
    1303bownewsf1
    March 1, 2013
    The first-ever artificial retina implant, designed to replace damaged cells within the eye, has received market approval from the U.S. Food and Drug Administration (FDA).