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 JoVE Biology

Measuring Intracellular Ca2+ Changes in Human Sperm using Four Techniques: Conventional Fluorometry, Stopped Flow Fluorometry, Flow Cytometry and Single Cell Imaging

1Departamento de Genética del Desarrollo y Fisiología Molecular, Instituto de Biotecnología-Universidad Nacional Autónoma de México, 2Math and Sciences Department, Edison State College


JoVE 50344

 JoVE Engineering

Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques

1Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory, 2Department of Chemistry, University of Illinois at Chicago, 3Stanford Synchrotron Radiation Lightsource, 4Haldor Topsøe A/S, 5PolyPlus Battery Company


JoVE 50594

 JoVE Medicine

Techniques for Processing Eyes Implanted With a Retinal Prosthesis for Localized Histopathological Analysis

1Bionics Institute, 2Department of Anatomical Pathology, St Vincent's Hospital Melbourne, 3Department of Pathology, University of Melbourne, 4Medical Bionics Department, University of Melbourne


JoVE 50411

 JoVE Medicine

Techniques for Processing Eyes Implanted with a Retinal Prosthesis for Localized Histopathological Analysis: Part 2 Epiretinal Implants with Retinal Tacks

1Bionics Institute, 2Department of Pathology, The University of Melbourne, 3Cochlear Limited, 4Department of Anatomical Pathology, St Vincent's Hospital Melbourne, 5Medical Bionics Department, The University of Melbourne


JoVE 52348

 JoVE Medicine

Experimental and Imaging Techniques for Examining Fibrin Clot Structures in Normal and Diseased States

1Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology & Emory University School of Medicine, 2Parker H. Petit Institute for Bioengineering & Bioscience, Georgia Institute of Technology, 3George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology


JoVE 52019

 JoVE Medicine

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

 Science Education: Essentials of Biology 2

Zebrafish Microinjection Techniques

JoVE Science Education

One of the major advantages to working with zebrafish (Danio rerio) is that their genetics can be easily manipulated by microinjection of early stage embryos. Using this technique, solutions containing genetic material or knockdown constructs are delivered into the blastomeres: the embryonic cells sitting atop the yolk of the newly fertilized egg. Delivery into the cytoplasm is achieved either through direct injection into the blastomere, or via natural cytoplasmic movements that occur after a solution is injected into the yolk. Successful genetic manipulations are usually followed by quantification of embryonic phenotypes in order to elucidate the genetic mechanisms of development. This video will provide an introduction to carrying out microinjections in zebrafish embryos. The discussion begins with a review of the essential tools for the technique, including the injection apparatus and the microinjector, which controls fluid movement with pressure pulses of air. Next, important preparatory steps are demonstrated, such as the pouring of agar plates to stabilize embryos during injection and calibration of the microinjection apparatus. The injection procedure is then presented along with tips on when and where injections should be performed. Finally, applications of the microinjection technique are discussed, including gene overexpression via mRNA inj

 JoVE Immunology and Infection

Facilitating the Analysis of Immunological Data with Visual Analytic Techniques

1Department of Paediatrics, Division of Infectious and Immunological Diseases, Child and Family Research Institute, University of British Columbia, 2Department of Computer Science, University of British Columbia, 3Department of Psychology, University of British Columbia


JoVE 2397

 JoVE Chemistry

CN-GELFrEE - Clear Native Gel-eluted Liquid Fraction Entrapment Electrophoresis

1Departments of Chemistry and Molecular Biosciences, Chemistry of Life Processes Institute, Proteomics Center of Excellence, Robert H. Lurie Comprehensive Cancer Center, Northwestern University, 2Institute of Chemistry, Proteomics Unit, Federal University of Rio de Janeiro, 3Department of Cell Biology, Brazilian Center for Protein Research, Laboratory of Biochemistry and Protein Chemistry, University of Brasilia


JoVE 53597

 JoVE Medicine

Voluntary Breath-hold Technique for Reducing Heart Dose in Left Breast Radiotherapy

1Department of Radiotherapy, Royal Marsden NHS Foundation Trust, 2Centre for Vision, Speech and Signal Processing, Faculty of Engineering and Physical Sciences, University of Surrey, 3Clinical Trials and Statistics Unit (ICR-CTSU), Institute of Cancer Research, Sutton, UK, 4Division of Radiotherapy and Imaging, Institute of Cancer Research, Sutton, UK


JoVE 51578

 JoVE Medicine

Heterotopic Renal Autotransplantation in a Porcine Model: A Step-by-Step Protocol

1Multi Organ Transplant Program, Department of Surgery, Toronto General Hospital, 2Division of Nephrology, The Hospital for Sick Children, 3Programa de Doctorat en Medicina, La Universitat Autónoma de Barcelona, 4Laboratory Medicine and Pathobiology, Toronto General Hospital, 5Department of Medicine, Toronto General Hospital, 6Departments of Surgery (Urology) & Physiology, Developmental & Stem Cell Biology, The Hospital for Sick Children


JoVE 53765

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