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Tissue Fixation: The technique of using Fixatives in the preparation of cytologic, histologic, or pathologic specimens for the purpose of maintaining the existing form and structure of all the constituent elements.

A Stainless Protocol for High Quality RNA Isolation from Laser Capture Microdissected Purkinje Cells in the Human Post-Mortem Cerebellum

1Department of Pathology and Cell Biology, Columbia University, 2Division of Movement Disorders, Department of Neurology, Yale University, 3Department of Chronic Disease Epidemiology, Yale School of Public Health, Yale University, 4Center for Neuroepidemiology and Clinical Neurological Research, Yale School of Medicine, Yale University

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JoVE 58953


 JoVE In-Press

Visualization of 3D White Adipose Tissue Structure Using Whole-mount Staining

1Translational Medicine Program, The Hospital for Sick Children, 2Department of Laboratory Medicine and Pathobiology, University of Toronto, 3Neurosciences & Mental Health Program, The Hospital for Sick Children, 4Department of Biochemistry and Molecular Biology, Smart-Aging Convergence Research Center, College of Medicine, Yeungnam University, 5Banting and Best Diabetes Centre, University of Toronto

JoVE 58683


 Biology

Simultaneous Cryosectioning of Multiple Rodent Brains

1Department of Child Health, University of Arizona College of Medicine, 2Department of Biological Sciences, University of Bath, 3BARROW Neurological Institute at Phoenix Children's Hospital, 4Phoenix Veteran Affairs Healthcare System, 5Department of Basic Medical Sciences, University of Arizona College of Medicine

JoVE 58513


 Neuroscience

Severe Burn Injury in a Swine Model for Clinical Dressing Assessment

1Graduate Institute of Medical Sciences, National Defense Medical Center, 2Department and Graduate Institute of Biology and Anatomy, National Defense Medical Center, 3Department of Gerontological Health Care, National Taipei University of Nursing and Health Sciences, 4Division of Rheumatology/Immunology/Allergy, Department of Internal Medicine, Tri-Service General Hospital, National Defense Medical Center, 5Department of Plastic and Reconstructive Surgery, Tri-Service General Hospital, 6Department of Nursing, Yuanpei University, 7Department of Physiology and Biophysics; Graduate Institute of Physiology, National Defense Medical Center, 8Division of Urology, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center

JoVE 57942


 Medicine

Intraperitoneal Glucose Tolerance Test, Measurement of Lung Function, and Fixation of the Lung to Study the Impact of Obesity and Impaired Metabolism on Pulmonary Outcomes

1Translational Experimental Pediatrics, Experimental Pulmonology, Department of Pediatrics and Adolescent Medicine, University of Cologne, 2Department of Pediatrics and Adolescent Medicine, University of Cologne, 3Division of Experimental Pediatrics and Metabolism, University Children's Hospital, Heinrich Heine University Düsseldorf

JoVE 56685


 Immunology and Infection

Basic Surgical Techniques in the Göttingen Minipig: Intubation, Bladder Catheterization, Femoral Vessel Catheterization, and Transcardial Perfusion

1Department of Neurosurgery, Aarhus University Hospital, 2Department of Neurobiology, Institute of Anatomy, Faculty of Health Sciences, Aarhus University, 3Positron Emission Tomography (PET) Centre, Aarhus University Hospital

JoVE 2652


 Medicine

Histological Sample Preparation for Light Microscopy

JoVE 5039

Histology is the study of cells and tissues, which is typically aided by the use of a light microscope. The preparation of histological samples can vary greatly based on the inherent properties of the samples such as size and hardness as well as expected post-processing which includes planned staining techniques or other down-stream applications. As described in this video, specimen preparation typically begins with a fixation procedure to prevent degradation of the sample by naturally occurring enzymes that are released by the cells upon death. Once fixed, samples are placed into an embedding medium that is able to sufficiently support the sample. Most commonly this is paraffin wax, but other materials such as a glycerin based freezing medium and agars are also used to surround the sample during sectioning. Sectioning then takes place on a microtome or other cutting device that allows the user to shave the sample into thin slices ranging from a few microns to a few millimeters in thickness. Once cut, sections are mounted on a glass slide and stained to bring out specific features of the sample before being imaged on a microscope.


 General Laboratory Techniques

Tissue Triage and Freezing for Models of Skeletal Muscle Disease

1Division of Pediatric Pathology, Department of Pathology and Laboratory Medicine, Medical College of Wisconsin, 2Department of Physiology and Cell Biology, The Ohio State University, 3Department of Human Nutrition, Foods and Exercise, Virginia Tech, 4Division of Biomedical Informatics, Department of Biostatistics, Department of Computer Science, University of Kentucky, 5Division of Genetics and Genomics, The Manton Center for Orphan Disease Research, Boston Children's Hospital, Harvard Medical School, 6Cure Congenital Muscular Dystrophy, 7Joshua Frase Foundation, 8Department of Rehabilitation Medicine, University of Washington, 9Department of Physiology, University of Arizona

JoVE 51586


 Biology

Long Term Intravital Multiphoton Microscopy Imaging of Immune Cells in Healthy and Diseased Liver Using CXCR6.Gfp Reporter Mice

1Department of Medicine III, RWTH University-Hospital Aachen, 2IZKF Aachen Core Facility "Two-Photon Imaging", RWTH University-Hospital Aachen, 3Institute for Laboratory Animal Science & Experimental Surgery, RWTH Aachen University, 4Institute for Pharmacology, RWTH University-Hospital Aachen

JoVE 52607


 Immunology and Infection

Measuring Physiological Responses of Drosophila Sensory Neurons to Lipid Pheromones Using Live Calcium Imaging

1Temasek Life Sciences Laboratory, 2Department of Biological Science, National University of Singapore, 3Bioimaging and Biocomputing Facility, Temasek Life Sciences Laboratory, 4Histology and Light Microscopy Core, Gladstone Institutes, 5Pacific Biosciences Research Center, University of Hawai'i at Mānoa

JoVE 53392


 Immunology and Infection

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