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Arthritis, Infectious: Arthritis caused by Bacteria; Rickettsia; Mycoplasma; Viruses; Fungi; or Parasites.
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In Vitro Recording of Mesenteric Afferent Nerve Activity in Mouse Jejunal and Colonic Segments

1Laboratory of Experimental Medicine and Pediatrics, Division of Gastroenterology, University of Antwerp, 2Visceral Pain Group, Discipline of Medicine, University of Adelaide, 3Department of Biomedical Sciences, University of Sheffield, 4Department of Pharmacy, Pharmacology and Postgraduate Medicine, University of Hertfordshire, 5Department of Gastroenterology and Hepatology, Antwerp University Hospital

JoVE 54576


 Neuroscience

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A Rapid Strategy for the Isolation of New Faustoviruses from Environmental Samples Using Vermamoeba vermiformis

1Faculty of Medicine and Pharmacy, Research Unit for Infectious and Tropical Emerging Diseases, Aix Marseille University, 2Pole of Infectious and Tropical Diseases, Clinical and Biological Sector, Federation of Bacteriology-Hygiene Virology, University Hospital Institute Mediterranean Infection

JoVE 54104


 Immunology and Infection

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Detection and Enrichment of Rare Antigen-specific B Cells for Analysis of Phenotype and Function

1Department of Immunology and Microbiology, University of Colorado School of Medicine, 2Department of Microbiology, Immunology, and Pathology, Colorado State University, 3Barbara Davis Center for Childhood Diabetes, University of Colorado School of Medicine, 4Department of Biomedical Research, National Jewish Health

JoVE 55382


 Immunology and Infection

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An Efficient and Simple Method to Establish NK and T Cell Lines from Patients with Chronic Active Epstein-Barr Virus Infection

1Genetic Resources Center, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, 2MOE Key Laboratory of Major Diseases in Children, National Key Discipline of Pediatrics, National Clinical Research Center for Respiratory Diseases, Beijing Key Laboratory of Pediatric Respiratory Infection diseases, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, 3State Key Laboratory of molecular Developmental Biology, Institute of Genetics and Developmental Biology, Chinese Academy of Sciences

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JoVE 56515


 JoVE In-Press

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Working with Centrifuges

JoVE 10365

Source: Robert M. Rioux & Suprita Jharimune, Pennsylvania State University, University Park, PA

Earth's gravitational force is capable of separating heterogeneous mixtures. However, many systems avert this type of separation owing to the length of time usually required in such cases. Centrifugation is one of the most powerful tools for the separation of heterogeneous mixtures1. It involves the application of centripetal force for sedimentation of the heavier phase, leading to separation of the two phases, and is a commonly used technique in industrial and laboratory settings. In a typical centrifugation process, particles suspended in a fluid are spun about the centrifuge axis of rotation, causing a force away from the axis. This force drives the particles to the bottom of the centrifuge sample holder at a rate which is dependent on the size and density of the particles. Centrifugation is therefore a technique to speed up the process of sedimentation. To ensure safety in the usage of a centrifuge, the user should be properly trained and made aware of the hazards that might result from its usage. The following sections present a discussion of handling and safety while working with centrifuges.


 Lab Safety

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Prediction of HIV-1 Coreceptor Usage (Tropism) by Sequence Analysis using a Genotypic Approach

1Institute of Virology, University of Cologne, 2Max Planck Institute for Informatics, 3Institute for Immune genetics, 4Department of Gastroenterology, Hepatology and Infectiology, University of Duesseldorf, 5Department of Dermatology, University of Essen, 6Department of Internal Medicine, University of Cologne, 7Augustinerinnen Hospital

JoVE 3264


 Immunology and Infection

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A High Content Imaging Assay for Identification of Botulinum Neurotoxin Inhibitors

1Perkin Elmer Inc., 2Henry M. Jackson Foundation, 3The Geneva Foundation, 4ORISE, 5Frederick National Laboratory for Cancer Research, 6Division of Molecular and Translational Sciences, US Army Medical Research Institute of Infectious Diseases, 7DoD Biotechnology High Performance Computing Software Applications Institute (BHSAI), Telemedicine and Advanced Technology Research Center (TATRC), US Army Medical Research and Materiel Command (USAMRMC)

JoVE 51915


 Neuroscience

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Genome-wide Analysis of HDAC Inhibitor-mediated Modulation of microRNAs and mRNAs in B Cells Induced to Undergo Class-switch DNA Recombination and Plasma Cell Differentiation

1Department of Microbiology, Immunology and Molecular Genetics, University of Texas Long School of Medicine at San Antonio, 2Xiangya School of Medicine, Cental South University, 3Greehey Children’s Cancer Research Institute, University of Texas Long School of Medicine at San Antonio

JoVE 55135


 Immunology and Infection

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The Goeckerman Regimen for the Treatment of Moderate to Severe Psoriasis

1Keck School of Medicine, University of Southern California, 2Psoriasis and Skin Treatment Center Dermatology, University of California, San Francisco, 3University of California Irvine School of Medicine, 4University of Arizona College of Medicine, 5Chicago College of Osteopathic Medicine

JoVE 50509


 Medicine

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Simultaneous EEG Monitoring During Transcranial Direct Current Stimulation

1Programa de Pós-Graduação em Ciências Médica, Universidade Federal do Rio Grande do Sul, 2Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES), 3Laboratory of Neuromodulation, Department of Physical Medicine & Rehabilitation, Spaulding Rehabilitation Hospital and Massachusetts General Hospital, Harvard Medical School, 4De Montfort University

JoVE 50426


 Behavior

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Experimental Human Pneumococcal Carriage

1Respiratory Infection Group, Liverpool School of Tropical Medicine, 2Royal Liverpool and Broadgreen, University Hospital Trust, 3Comprehensive Local Research Network, 4NIHR Biomedical Research Centre in Microbial Diseases, Royal Liverpool and Broadgreen University Hospitals NHS Trust, 5Institute of Lung Health, Respiratory Biomedical Unit, University Hospitals of Leicester NHS Trust & University of Leicester, 6Department of Clinical Infection Microbiology & Immunology, Institute of Infection & Global Health, University of Liverpool

JoVE 50115


 Medicine

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In Vivo Investigation of Antimicrobial Blue Light Therapy for Multidrug-resistant Acinetobacter baumannii Burn Infections Using Bioluminescence Imaging

1Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, 2Department of Medical Oncology, Beijing Institute of Translational Medicine, Chinese Academy of Sciences, 3Cancer Center, Aviation General Hospital, Beijing, 4Infectious Disease Service, Brooke Army Medical Center

JoVE 54997


 Immunology and Infection

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Method for the Assessment of Effects of a Range of Wavelengths and Intensities of Red/near-infrared Light Therapy on Oxidative Stress In Vitro

1Experimental and Regenerative Neurosciences, School of Animal Biology, The University of Western Australia, 2School of Animal Biology and The Oceans Institute, The University of Western Australia, 3Experimental and Regenerative Neurosciences, School of Anatomy, Physiology and Human Biology, The University of Western Australia

JoVE 52221


 Biology

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A Rat Tibial Growth Plate Injury Model to Characterize Repair Mechanisms and Evaluate Growth Plate Regeneration Strategies

1Department of Bioengineering, Department of Orthopedics, University of Colorado Anschutz Medical Campus, 2Department of Orthopedics, University of Colorado Anschutz Medical Campus, 3Department of Chemical & Biological Engineering, Colorado School of Mines, 4Department of Orthopedics, Gates Center for Regenerative Medicine, University of Colorado Anschutz Medical Campus

JoVE 55571


 Medicine

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Lymph Node Exam

JoVE 10061

Source: Richard Glickman-Simon, MD, Assistant Professor, Department of Public Health and Community Medicine, Tufts University School of Medicine, MA

The lymphatic system has two main functions: to return extracellular fluid back to the venous circulation and to expose antigenic substances to the immune system. As the collected fluid passes through lymphatic channels on its way back to the systemic circulation, it encounters multiple nodes consisting of highly concentrated clusters of lymphocytes. Most lymph channels and nodes reside deep within the body and, therefore, are not accessible to physical exam (Figure 1). Only nodes near the surface can be inspected or palpated. Lymph nodes are normally invisible, and smaller nodes are also non-palpable. However, larger nodes (>1 cm) in the neck, axillae, and inguinal areas are often detectable as soft, smooth, movable, non-tender, bean-shaped masses imbedded in subcutaneous tissue. Lymphadenopathy usually indicates an infection or, less commonly, a cancer in the area of lymph drainage. Nodes may become enlarged, fixed, firm, and/or tender depending on the pathology present. For example, a soft, tender lymph node palpable near the angle of the mandible may indicate an infected tonsil, whereas a firm, enlarged, non-tender lymph


 Physical Examinations II

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Establishing Mouse Models for Zika Virus-induced Neurological Disorders Using Intracerebral Injection Strategies: Embryonic, Neonatal, and Adult

1Biomedical and Health Sciences Institute, University of Georgia, 2Center for Craniofacial Molecular Biology, University of Southern California, 3Department of Infectious Diseases, College of Veterinary Medicine, University of Georgia

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JoVE 56486


 JoVE In-Press

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