1. Baylor College of Medicine

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    1. Mentioned In 108 Articles

    2. Dynamic imaging and quantitative analysis of cranial neural tube closure in the mouse embryo using optical coherence tomography

      Dynamic imaging and quantitative analysis of cranial neural tube closure in the mouse embryo using optical coherence tomography
      Neural tube closure is a critical feature of central nervous system morphogenesis during embryonic development. Failure of this process leads to neural tube defects, one of the most common forms of human congenital defects. Although molecular and genetic studies in model organisms have provided insights into the genes and proteins that are required for normal neural tube development, complications associated with live imaging of neural tube closure in mammals limit ...
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    3. Assessing the effects of riboflavin/UV-A crosslinking on porcine corneal mechanical anisotropy with optical coherence elastography

      Assessing the effects of riboflavin/UV-A crosslinking on porcine corneal mechanical anisotropy with optical coherence elastography
      In this work we utilize optical coherence elastography (OCE) to assess the effects of UV-A/riboflavin corneal collagen crosslinking (CXL) on the mechanical anisotropy of in situ porcine corneas at various intraocular pressures (IOP). There was a distinct meridian of increased Youngs modulus in all samples, and the mechanical anisotropy increased as a function of IOP and also after CXL. The presented noncontact OCE technique was able to quantify the ...
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    4. Optical Modalities for Embryonic Imaging

      Optical Modalities for Embryonic Imaging
      tudies of disease etiology often rely on the murine (mouse) model, which provides valuable genotypic information. Yet associated phenotypic information from murine embryos is often lacking. Of the various techniques that have been proposed for imaging such embryos, optical modalities may provide the best compromise among speed, penetration depth and resolution. This year, we developed approaches to improve embryonic imaging with optical coherence tomography (OCT), 1 and also provided a ...
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    5. Comparison of Newer IOL Power Calculation Methods for Eyes With Previous Radial Keratotomy

      Comparison of Newer IOL Power Calculation Methods for Eyes With Previous Radial Keratotomy
      Purpose : To evaluate the accuracy of the optical coherence tomographybased (OCT formula) and Barrett True K (True K) intraocular lens (IOL) calculation formulas in eyes with previous radial keratotomy (RK). Methods : In 95 eyes of 65 patients, using the actual refraction following cataract surgery as target refraction, the predicted IOL power for each method was calculated. The IOL prediction error (PE) was obtained by subtracting the predicted IOL power from ...
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    6. Live four-dimensional optical coherence tomography reveals embryonic cardiac phenotype in mouse mutant

      Live four-dimensional optical coherence tomography reveals embryonic cardiac phenotype in mouse mutant
      Efficient phenotyping of developmental defects in model organisms is critical for understanding the genetic specification of normal development and congenital abnormalities in humans. We previously reported that optical coherence tomography (OCT) combined with live embryo culture is a valuable tool for mouse embryo imaging and four-dimensional (4-D) cardiodynamic analysis; however, its capability for analysis of mouse mutants with cardiac phenotypes has not been previously explored. Here, we report 4-D (three-dimensional ...
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    7. Optical coherence tomography for embryonic imaging: a review

      Optical coherence tomography for embryonic imaging: a review
      Embryogenesis is a highly complex and dynamic process, and its visualization is crucial for understanding basic physiological processes during development and for identifying and assessing possible defects, malformations, and diseases. While traditional imaging modalities, such as ultrasound biomicroscopy, micro-magnetic resonance imaging, and micro-computed tomography, have long been adapted for embryonic imaging, these techniques generally have limitations in their speed, spatial resolution, and contrast to capture processes such as cardiodynamics during ...
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    8. Applicability, usability, and limitations of murine embryonic imaging with optical coherence tomography and optical projection tomography

      Applicability, usability, and limitations of murine embryonic imaging with optical coherence tomography and optical projection tomography
      We present an analysis of imaging murine embryos at various embryonic developmental stages (embryonic day 9.5, 11.5, and 13.5) by optical coherence tomography (OCT) and optical projection tomography (OPT). We demonstrate that while OCT was capable of rapid high-resolution live 3D imaging, its limited penetration depth prevented visualization of deeper structures, particularly in later stage embryos. In contrast, OPT was able to image the whole embryos, but ...
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    9. BIOPHOTONICS AND IMAGING SUMMER SCHOOL (BIGSS 2016)

      BIOPHOTONICS AND IMAGING SUMMER SCHOOL (BIGSS 2016)
      The Bi-annual Biophotonics and Imaging Summer School (BIGSS16) will be held 5-9 September 2016 in Galway, Ireland. It is a five ECTS accredited course with leading professors teaching. Sessions are approx. four hours each to give a substantial grounding in the main topics of Biophotonics. The location is in the picturesque village of Ballyvaughanin the Burren . This will be augmented with hands on training at NUI Galway. Fee: 800 including ...
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    10. Four-dimensional live imaging of hemodynamics in mammalian embryonic heart with Doppler optical coherence tomography

      Four-dimensional live imaging of hemodynamics in mammalian embryonic heart with Doppler optical coherence tomography
      Four-dimensional live hemodynamic imaging of the mouse embryonic heart at embryonic day 9.0 using Doppler optical coherence tomography, showing directional blood flows in the sinus venosus, primitive atrium, atrioventricular region and vitelline vein. Hemodynamic analysis of the mouse embryonic heart is essential for understanding the functional aspects of early cardiogenesis and advancing the research in congenital heart defects. However, high-resolution imaging of cardiac hemodynamics in mammalian models remains challenging ...
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    11. Comparison of rotational imaging optical coherence tomography and selective plane illumination microscopy for embryonic study

      Comparison of rotational imaging optical coherence tomography and selective plane illumination microscopy for embryonic study
      The mouse is a common model for studying developmental diseases. Different optical techniques have been developed to investigate mouse embryos, but each has its own set of limitations and restrictions. In this study, we imaged the same E9.5 mouse embryo with rotational imaging Optical Coherence Tomography (RI-OCT) and Selective Plane Illumination Microscopy (SPIM), and compared the two techniques. Results demonstrate that both methods can provide images with micrometer-scale spatial ...
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    12. Live 4D optical coherence tomography for early embryonic mouse cardiac phenotyping

      Live 4D optical coherence tomography for early embryonic mouse cardiac phenotyping
      Studying embryonic mouse development is important for our understanding of normal human embryogenesis and the underlying causes of congenital defects. Our research focuses on imaging early development in the mouse embryo to specifically understand cardiovascular development using optical coherence tomography (OCT). We have previously developed imaging approaches that combine static embryo culture, OCT imaging and advanced image processing to visualize the whole live mouse embryos and obtain 4D (3D+time ...
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    13. Three-dimensional imaging of the developing mouse female reproductive organs with optical coherence tomography

      Three-dimensional imaging of the developing mouse female reproductive organs with optical coherence tomography
      Infertility is a known major health concern and is estimated to impact ~15% of couples in the U.S. The majority of failed pregnancies occur before or during implantation of the fertilized embryo into the uterus. Understanding the mechanisms regulating development by studying mouse reproductive organs could significantly contribute to an improved understanding of normal development of reproductive organs and developmental causes of infertility in humans. Towards this goal, we ...
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    14. Functional optical coherence tomography for high-resolution mapping of cilia beat frequency in the mouse oviduct in vivo

      Functional optical coherence tomography for high-resolution mapping of cilia beat frequency in the mouse oviduct in vivo
      Since mouse is a superior model for genetic analysis of human disorders, reproductive studies in mice have significant implications on further understanding of fertility and infertility in humans. Fertilized oocytes are transported through the reproductive tract by motile cilia lining the lumen of the oviduct as well as by oviduct contractions. While the role of cilia is well recognized, ciliary dynamics in the oviduct is not well understood, largely owing ...
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  2. About Baylor College of Medicine

    Baylor College of Medicine

    Baylor College of Medicine, located in Houston, Texas, USA, is one of the world's leading centers for biomedical research and clinical care. Situated within the Texas Medical Center, a 1,000-acre complex that is home to 46 member institutions and is the largest medical center in the world, Baylor College of Medicine has affiliations with eight teaching hospitals, including the world-renowned Texas Children's Hospital, MD Anderson Cancer Center, Menninger Clinic and Texas Heart Institute. It has been consistently rated the top medical school in Texas and among the top 10 medical schools in the United States. Its Graduate School of Biomedical Sciences is also highly rated. BCM, despite being solely focused on medical and graduate education, has become one of 63 American colleges with an endowment greater than $1 billion.