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Displaying 1 to 10 of 62 results for imaging

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  • Advanced Optics Lab

    The Advanced Optics Lab uses innovative optical tools, including laser-based nanotechnologies, to understand cell motility and the regulation of cell shape. We pioneered laser-based nanotechnologies, including optical tweezers, nanotracking, and laser-tracking microrheology. Applications range from physics, pharmaceutical delivery by phagocytosis (cell and tissue engineering), bacterial pathogens important in human disease and cell division.

    Other projects in the lab are related to microscopy, specifically combining fluorescence and electron microscopy to view images of the subcellular structure around proteins.

    Research Areas: optics, microscopy, physics, cellular biology, imaging, nanotechnology, drugs, tissue engineering

    Lab Website

    Principal Investigator

    Scot Kuo, Ph.D.

    Department

    Biomedical Engineering

  • Ami Shah Lab

    Researchers in the Ami Shah Lab study scleroderma and Raynaud’s phenomenon. We examine the relationship between cancer and scleroderma, with a focus on how and if cancer causes scleroderma to develop in some patients. We are currently conducting clinical research to study ways to detect cardiopulmonary complications in patients with scleroderma, biological and imaging markers of Raynaud’s phenomenon, and drugs that improve aspects of scleroderma.

    Research Areas: Raynaud's phenomenon, cancer, scleroderma, drugs, cardiovascular diseases

    Lab Website

    Principal Investigator

    Ami Shah, M.D.

    Department

    Medicine

  • Andrew Laboratory: Center for Cell Dynamics

    Researchers in the Center for Cell Dynamics study spatially and temporally regulated molecular events in living cells, tissues and organisms. The team develops and applies innovative biosensors and imaging techniques to monitor dozens of critical signaling pathways in real time. The new tools help them investigate the fundamental cellular behaviors that underlie embryonic development, wound healing, cancer progression, and functions of the immune and nervous systems.

    Research Areas: immunology, cancer, epithelial tube, nervous system, molecular biology

    Lab Website

    Principal Investigator

    Deborah Andrew, M.S., Ph.D.

    Department

    Cell Biology

  • Ashikaga Lab

    We specialize in unconventional, multi-disciplinary approaches to studying the heart at the intersection of applied mathematics, physics and computer science. We focus on theory development that leads to new technology and value delivery to the society. Currently we have three research programs:

    1. Precision Medicine
    To develop a quantitative approach to personalized risk assessment for stroke and dementia based on patent-specific heart anatomy, function and blood flow.
    Disciplines: Cardiac Hemodynamics; Medical Imaging Physics; Continuum Mechanics; Computational Fluid Dynamics

    2. Information Theory
    To quantify and perturb cardiac fibrillation that emerges as a macro-scale behavior of the heart from micro-scale behaviors of inter-dependent components.
    Disciplines: Cardiac Electrophysiology; Spiral Wave; Information Theory; Complex Networks

    3. Artificial Intelligence
    To develop artificial intelligence algorithms to predict the future risk of heart attack, stroke and sudden... death, and to assist surgical interventions to prevent these outcomes.
    Disciplines: Medical Imaging Physics; Artificial Intelligence; Robotically Assisted Interventions
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    Research Areas: complex systems, Computational Fluid Dynamics, spiral wave, artificial intelligence, informational theory

  • Ashish Nimgoankar Lab

    The Ashish Nimgoankar Lab is interested in translational technology development and image-guided therapies.

    Research Areas: translational technology, imaging

    Principal Investigator

    Ashish Nimgaonkar, M.D.

    Department

    Medicine

  • Biophotonics Imaging Technologies (BIT) Laboratory

    Research in the Biophotonics Imaging Technologies (BIT) Laboratory focuses on developing optical imaging and nano-biophotonics technology to reduce the random sampling errors in clinical diagnosis, improve early disease detection and guidance of biopsy and interventions, and improve targeted therapy and monitoring treatment outcomes. The imaging technologies feature nondestructiveness, unique functional and molecular specificity, and multi-scale resolution (from organ, to architectural morphology, cellular, subcellular and molecular level). The nano-biophotonics technologies emphasize heavily on biocompatibility, multi-function integration and fast track clinical translation. These imaging and nano-biophotonics technologies can also be potentially powerful tools for basic research such as for drug screening, nondestructive assessment of engineered biomaterials in vitro and in vivo, and for studying brain functions on awake animals under normal or controlled social conditions.

    Research Areas: drug screening, imaging, brain, nano-biophotonics

    Lab Website

    Principal Investigator

    Xingde Li, Ph.D.

    Department

    Biomedical Engineering

  • Brady Maher Laboratory

    The Brady Maher Laboratory is interested in understanding the cellular and circuit pathophysiology that underlies neurodevelopmental and psychiatric disorders. Our lab focuses on trying to understand the function of genes that are associated with neurodevelopment problems by manipulating their expression level in utero during the peak of cortical development. We then use a variety of approaches and technologies to identify resulting phenotypes and molecular mechanisms including cell and molecular biology, optogenetics, imaging and electrophysiology.

    Current projects in the lab are focused on understanding the function of transcription factor 4 (TCF4), a clinically pleiotropic gene. Genome-wide association studies have identified genetic variants of TCF4 that are associated with schizophrenia, while autosomal dominant mutations in TCF4 result in Pitt Hopkins syndrome. Using our model system, we have identified several interesting electrophysiological and cell biological phenotypes as...sociated with altering the expression of TCF4 in utero. We hypothesize that these phenotypes represent cellular pathophysiology related to these disorders and by understanding the molecular mechanisms responsible for these phenotypes we expect to identify therapeutic targets for drug development.
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    Research Areas: cell biology, neurodevelopment, imaging, schizophrenia, psychiatric disorders, Pitt Hopkins syndrome, elecrophysiology, genomics, drugs, optogenetics, molecular biology, phenotypes

  • Cammarato Lab

    The Cammarato Lab is located in the Division of Cardiology in the Department of Medicine at the Johns Hopkins University School of Medicine. We are interested in basic mechanisms of striated muscle biology.

    We employ an array of imaging techniques to study “structural physiology” of cardiac and skeletal muscle. Drosophila melanogaster, the fruit fly, expresses both forms of striated muscle and benefits greatly from powerful genetic tools. We investigate conserved myopathic (muscle disease) processes and perform hierarchical and integrative analysis of muscle function from the level of single molecules and macromolecular complexes through the level of the tissue itself.

    Anthony Ross Cammarato, MD, is an assistant professor of medicine in the Cardiology Department. He studies the identification and manipulation of age- and mutation-dependent modifiers of cardiac function, hierarchical modeling and imaging of contractile machinery, integrative analysis of striated muscle performan...ce and myopathic processes. view more

    Research Areas: muscle development, genetics, myopathic processes, striated muscle biology, muscle function, myopathy, muscle physiology

    Lab Website

    Principal Investigator

    Anthony Cammarato, Ph.D.

    Department

    Medicine

  • Cardiology Bioengineering Laboratory

    The Cardiology Bioengineering Laboratory, located in the Johns Hopkins Hospital, focuses on the applications of advanced imaging techniques for arrhythmia management. The primary limitation of current fluoroscopy-guided techniques for ablation of cardiac arrhythmia is the inability to visualize soft tissues and 3-dimensional anatomic relationships.

    Implementation of alternative advanced modalities has the potential to improve complex ablation procedures by guiding catheter placement, visualizing abnormal scar tissue, reducing procedural time devoted to mapping, and eliminating patient and operator exposure to radiation.

    Active projects include
    • Physiological differences between isolated hearts in ventricular fibrillation and pulseless electrical activity
    • Successful ablation sites in ischemic ventricular tachycardia in a porcine model and the correlation to magnetic resonance imaging (MRI)
    • MRI-guided radiofrequency ablation of canine atrial fibrillation, and ...diagnosis and intervention for arrhythmias
    • Physiological and metabolic effects of interruptions in chest compressions during cardiopulmonary resuscitation

    Henry Halperin, MD, is co-director of the Johns Hopkins Imaging Institute of Excellence and a
    professor of medicine, radiology and biomedical engineering. Menekhem M. Zviman, PhD is the laboratory manager.
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    Research Areas: magnetic resonance imaging, CPR models, cardiac mechanics, MRI-guided therapy, ischemic tachycardia, arrhythmia, cardiology, sudden cardiac death, cardiopulmonary resuscitation, computational modeling

    Lab Website

    Principal Investigator

    Henry Halperin, M.D.

    Department

    Medicine

  • Center for Infection and Inflammation Imaging Research

    In conjunction with the Molecular Imaging Center, the Center for Infection and Inflammation Imaging Research core provides state-of-the art small animal imaging equipment, including PET, SPECT, CT and US, to support the wide range of scientific projects within the diverse research community of the Johns Hopkins University and beyond. Trained technologists assist investigators in the use of these facilities.

    Research Areas: infectious disease, imaging, inflammation

    Lab Website

    Principal Investigator

    Sanjay Jain, M.B.B.S.

    Department

    Medicine

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