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Heart news and technical articles from BioOptics World. Search Heart latest and archived news and articles

  1. Doppler OCT imaging sheds light on health of baby's heart

    Online Articles

    Thu, 1 Nov 2012

    the shear stress on a developing heart at four evenly spaced time points during a heart cycle. Red indicates areas of ..... colleagues directly measured the heart structure and blood flow within the developing hearts of quail embryos. The data was then used

  2. BIOMEDICAL IMAGING: OCT images the developing heart in vivo

    Online Articles

    Thu, 1 Nov 2007

    murine (mouse) hearts develop similarly ..... animal models in heart -development research ..... phenotype in developing hearts (see Fig. 1 ..... can phenotype the heart without destroying ..... the mother, the hearts were removed and ..... obtained from each heart in the litter. Next

  1. Infrared light activates heart and ear cells via optical signals

    Online Articles

    Mon, 28 Mar 2011

    light generated by a diode to make rat heart cells contract and toadfish inner-ear ..... rather than electrical signals to stimulate heart cells. But Richard Rabbitt, a professor of bioengineering and senior author of the heart -cell and inner-ear-cell studies published

  2. Laser pacemaker explores secrets of the heart

    Magazine Articles

    Tue, 1 Jul 2008

    University in Japan has shown that cultured heart -muscle cells synchronize their contractions ..... of and potential treatments for abnormal heart rhythms. The project stemmed from a study of the role of calcium in regulating the heart -muscle cells called cardiomyocytes. The Osaka team

  3. OCT, fluorescence imaging pair to better identify heart attack-prone coronary plaques

    Online Articles

    Fri, 11 Mar 2016

    coronary artery plaques that are most likely to rupture and cause a heart attack. Related: High-resolution micro-OCT uncovers correlations ..... prone "vulnerable" plaques with the potential to cause a heart attack or sudden cardiac death. Fluorescence imaging techniques

  4. Two-photon microscopy method images oscillating mitochondria in rats

    Online Articles

    Thu, 23 Oct 2014

    s main source of energy to power the heart to beat, muscles to stretch, and virtually ..... live animals. "Animals breathe, their hearts beat, and their appendages twitch ..... can have disabling effects on the brain, heart , kidneys, and other body systems. Many

  5. Cell Biology/Cardiology: Ultra-stable micromanipulators enable nanoscale force measurement

    Magazine Articles

    Wed, 14 Sep 2016

    JOHN WINGERD Leading-edge heart disease research requires the capabilities ..... results from dysfunction within individual heart muscle cells called cardiomyocytes ..... smallest fully functional model system of heart muscle that can be examined for ion regulation

  6. Near-infrared spectroscopy could help predict future cardiovascular events

    Online Articles

    Wed, 10 Dec 2014

    which are believed to be implicated in most heart attacks , as a means to predict the risk ..... associated with limited blood supply to the heart also underwent NIRS imaging to evaluate ..... had a fourfold risk of MACCE, such as heart attack or stroke, within the following

  7. NEUROSCIENCE/CELL BIOLOGY: Control of calcium ions by infrared pulsing promising for treatment

    Online Articles

    Sun, 1 May 2011

    generated infrared light to make rat heart cells contract and toadfish inner ..... Medical School (Boston, MA) . The heart cells in the Utah study were newborn-rat cardiomyocytes, which make the heart pump. The inner-ear cells are hair

  8. BIOSPECTROSCOPY/CARDIOLOGY: High-wavenumber Raman reveals composition and location of intracoronary plaques

    Online Articles

    Mon, 1 Nov 2010

    first time, treatment of the cause of heart attacks before they occur. Among the diseases ..... accurately pinpointing plaques likely to cause heart attacks and strokes. But researchers are exploring ..... system is deployed during percutaneous heart surgery. The catheter is inserted into

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