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Intensive Care Units: Hospital units providing continuous surveillance and care to acutely ill patients.

High-frequency Ultrasound Imaging of the Abdominal Aorta

JoVE 10397

Authors: Amelia R. Adelsperger, Evan H. Phillips, and Craig J. Goergen, Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana

High-frequency ultrasound systems are used to acquire high resolution images. Here, the use of a state-of-the-art system will be demonstrated to image the morphology and hemodynamics of small pulsatile arteries and veins found in mice and rats. Ultrasound is a relatively inexpensive, portable, and versatile method for the noninvasive assessment of vessels in humans as well as large and small animals. These are several key advantages that ultraound offers compared to other techniques, such as computed tomography (CT), magnetic resonance imaging (MRI), and near-infrared fluorescence tomography (NIRF). CT requires ionizing radiation and MRI can be prohibitively expensive and even impractical in some scenarios. NIRF, on the other hand, is limited by the penetration depth of light required to excite the fluorescent contrast agents. Ultrasound has limitations in terms of imaging depth; however, this may be overcome by sacrificing resolution and using a lower frequency transducer. Abdominal gas and excess body weight can severely diminish image quality. In the first case, the propagation of sound waves is limited, while in the lat


 Biomedical Engineering

Polysome Profiling in Leishmania, Human Cells and Mouse Testis

1Department of Cell Biology and Biochemistry, Texas Tech University Health Sciences Center, 2Department of Biological Sciences, Texas Tech University, 3CISER (Center for the Integration of STEM Education & Research), Texas Tech University

JoVE 57600


 Biochemistry

In Vitro Method to Control Concentrations of Halogenated Gases in Cultured Alveolar Epithelial Cells

1Department of Perioperative Medicine, CHU Clermont-Ferrand, 2Centre National de la Recherche Scientifique Unité Mixte de Recherche (CNRS UMR) 6293, Institut National de la Santé et de la Recherche Médicale (INSERM) U1103, Laboratoire de Génétique, Reproduction et Développement (GReD), Université Clermont Auvergne, 3Department of Pharmacology, CHU Clermont-Ferrand, 4Nurse Anesthetist School, CHU Clermont-Ferrand

JoVE 58554


 Medicine

Isolation of Extracellular Vesicles from Murine Bronchoalveolar Lavage Fluid Using an Ultrafiltration Centrifugation Technique

1Department of Medicine, Division of Pulmonary and Critical Care, Women's Guild Lung Institute, Cedars-Sinai Medical Center, 2Department of Biomedical Sciences, Cedars-Sinai Medical Center, 3Department of Medicine, Smidt Heart Institute, Cedars-Sinai Medical Center

Video Coming Soon

JoVE 58310


 JoVE In-Press

A Zebrafish Embryo Model for In Vivo Visualization and Intravital Analysis of Biomaterial-Associated Staphylococcus Aureus Infection

1Amsterdam UMC, University of Amsterdam, Department of Medical Microbiology, Amsterdam Infection and Immunity Institute, 2MIRA Institute for Biomedical Technology and Technical Medicine, Department of Biomaterials Science and Technology, University of Twente, 3Department of Biomedical Engineering, W.J. Kolff Institute, University Medical Center Groningen, University of Groningen, 4Institute of Biology, Leiden University

Video Coming Soon

JoVE 58523


 JoVE In-Press

Plate-based Large-scale Cultivation of Caenorhabditis elegans: Sample Preparation for the Study of Metabolic Alterations in Diabetes

15th Medical Department, Medical Faculty Mannheim, Heidelberg University, 2Department of Internal Medicine, Heidelberg University, 3German Center for Diabetes Research (DZD), 4European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University

JoVE 58117


 Biochemistry

Printed Glycan Array: A Sensitive Technique for the Analysis of the Repertoire of Circulating Anti-carbohydrate Antibodies in Small Animals

1Infectious Pathology and Transplantation Division, Bellvitge Biomedical Research Institute (IDIBELL), 2Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry (IBCh), Russian Academy of Sciences, 3Semiotik LLC, 4Auckland University of Technology, 5Intensive Care Department, Bellvitge University Hospital

Video Coming Soon

JoVE 57662


 JoVE In-Press

Regeneration of Arrayed Gold Microelectrodes Equipped for a Real-Time Cell Analyzer

1School of Public Health, Nanjing Medical University, 2School of Pharmacy, Nanjing Medical University, 3State Key Laboratory of Materials-Oriented Chemical Engineering, College of Chemistry and Chemical Engineering, Nanjing Tech University, 4Department of Medical Oncology, Jiangsu Cancer Hospital, Jiangsu Institute of Cancer Research, The Affiliated Cancer Hospital of Nanjing Medical University

JoVE 56250


 Biochemistry

Long-term Live Imaging Device for Improved Experimental Manipulation of Zebrafish Larvae

1Department of Biomedical Engineering, University of Wisconsin-Madison, 2Morgridge Institute for Research, University of Wisconsin-Madison, 3Laboratory for Optical and Computational Instrumentation, University of Wisconsin-Madison, 4Cellular and Molecular Pathology Graduate Program, University of Wisconsin-Madison, 5Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, 6Department of Pediatrics, University of Wisconsin-Madison

JoVE 56340


 Bioengineering

A Genetically Engineered Mouse Model of Sporadic Colorectal Cancer

1Department of Gastrointestinal, Thoracic and Vascular Surgery, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, 2Department of General, Gastrointestinal and Transplant Surgery, University of Heidelberg, 3Department of Pathology, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, 4German Cancer Consortium (DKTK), 5German Cancer Research Center (DKFZ)

JoVE 55952


 Cancer Research

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