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Isoelectric Point: The pH in solutions of proteins and related compounds at which the dipolar ions are at a maximum.

Two-dimensional Gel Electrophoresis Coupled with Mass Spectrometry Methods for an Analysis of Human Pituitary Adenoma Tissue Proteome

1Key Laboratory of Cancer Proteomics of Chinese Ministry of Health, Xiangya Hospital, Central South University, 2Hunan Engineering Laboratory for Structural Biology and Drug Design, Xiangya Hospital, Central South University, 3State Local Joint Engineering Laboratory for Anticancer Drugs, Xiangya Hospital, Central South University, 4The State Key Laboratory of Medical Genetics, Central South University

JoVE 56739


 Cancer Research

From a 2DE-Gel Spot to Protein Function: Lesson Learned From HS1 in Chronic Lymphocytic Leukemia

1Division of Molecular Oncology, IRCCS, San Raffaele Scientific Institute, 2Department of Haemato-Oncology, King's College London, 3IFOM, FIRC Institute of Molecular Oncology, 4Università Vita-Salute San Raffaele

JoVE 51942


 Medicine

A Tripeptide-Stabilized Nanoemulsion of Oleic Acid

1Department of Chemistry, Brooklyn College, The City University of New York, 2Ph.D. Program in Chemistry, The Graduate Center of The City University of New York, 3Ph.D. Program in Biochemistry, The Graduate Center of The City University of New York, 4Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, 5Women's Health Research Institute, Icahn School of Medicine at Mount Sinai, 6Laboratory for Translational Research, Western Connecticut Health Network

JoVE 59034


 Bioengineering

Synthesis of Cationized Magnetoferritin for Ultra-fast Magnetization of Cells

1Bristol Centre for Functional Nanomaterials, University of Bristol, 2Department of Materials, Imperial College London, 3Self Assembly Group, CIC nanoGUNE, 4Ikebasque, Basque Foundation for Science, 5School of Cellular and Molecular Medicine, University of Bristol, 6H.H. Wills Physics Laboratory, University of Bristol

JoVE 54785


 Bioengineering

Consensus Brain-derived Protein, Extraction Protocol for the Study of Human and Murine Brain Proteome Using Both 2D-DIGE and Mini 2DE Immunoblotting

1Team Alzheimer & Tauopathies, Jean-Pierre Aubert Research Centre, Inserm UMR 837, 2EA 4308-Department of Reproductive Biology-Spermiology-CECOS, CHRU-Lille, 3EA2686-Laboratorie d'Immunologie, Faculté de Médecine - Pôle Recherche, 4Department of Neurology, CHRU-Lille

JoVE 51339


 Neuroscience

Isolation and Preparation of Bacterial Cell Walls for Compositional Analysis by Ultra Performance Liquid Chromatography

1Department of Bioengineering, Stanford University, 2Department of Molecular Biology and Laboratory for Molecular Infection Medicine Sweden, Umeå Centre for Microbial Research, Umeå University, 3Campus de Cantoblanco, Universidad Autonoma de Madrid, 4Department of Microbiology and Immunology, Stanford University School of Medicine

JoVE 51183


 Chemistry

Ion-Exchange Chromatography

JoVE 10269

Source: Laboratory of Dr. B. Jill Venton - University of Virginia


Ion-exchange chromatography is a type of chromatography that separates analytes based on charge. A column is used that is filled with a charged stationary phase on a solid support, called an ion-exchange resin. Strong cation-exchange chromatography preferentially separates…


 Analytical Chemistry

Two-Dimensional Gel Electrophoresis

JoVE 5686

Two-dimensional gel electrophoresis (2DGE) is a technique that can resolve thousands of biomolecules from a mixture. This technique involves two distinct separation methods that have been coupled together: isoelectric focusing (IEF) and sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE). This physically separates compounds across two axes of a gel by their isoelectric points…


 Biochemistry

Separation of Mixtures via Precipitation

JoVE 5558

Source: Laboratory of Dr. Ana J. García-Sáez — University of Tübingen


Most samples of interest are mixtures of many different components. Sample preparation, a key step in the analytical process, removes interferences that may affect the analysis. As such, developing separation techniques is an important endeavor not…


 Organic Chemistry

A Guide to Modern Quantitative Fluorescent Western Blotting with Troubleshooting Strategies

1Division of Neurobiology, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, 2Division of Developmental Biology, The Roslin Institute and Royal (Dick) School of Veterinary Studies, University of Edinburgh, 3Centre for Integrative Physiology, University of Edinburgh, 4Euan MacDonald Centre for Motor Neurone Disease Research, University of Edinburgh

JoVE 52099


 Biology

Site-Directed Immobilization of Bone Morphogenetic Protein 2 to Solid Surfaces by Click Chemistry

1Fraunhofer-Institut für Grenzflächen- und Bioverfahrenstechnik (IGB), Translationszentrum Würzburg 'Regenerative Therapien für Krebs- und Muskuloskelettale Erkrankung', Institutsteil Würzburg, 2Lehrstuhl für Tissue Engineering und Regenerative Medizin, Universitätsklinikum Würzburg, 3Lehrstuhl für Pharmazeutische Technologie und Biopharmazie, Universität Würzburg, 4Lehrstuhl für molekulare Pflanzenphysiologie und Biophysik, Julius-von-Sachs Institut für Biowissenschaften, Universität Würzburg

JoVE 56616


 Bioengineering

A Human Blood-Brain Interface Model to Study Barrier Crossings by Pathogens or Medicines and Their Interactions with the Brain

1Institut Pasteur, CNRS UMR 3569, Unité de Neuroimmunologie Virale, 2Institut Pasteur, Unité d’Epidémiologie et de Pathophysiologie des Virus Oncogènes, Université Sorbonne Paris Cité/Paris Diderot, 3Institut Pasteur, PFIA, DTPS

Video Coming Soon

JoVE 59220


 JoVE In-Press

Comprehensive Workflow for the Genome-wide Identification and Expression Meta-analysis of the ATL E3 Ubiquitin Ligase Gene Family in Grapevine

1Dipartimento di Biotecnologie, Università degli Studi di Verona, 2Ecology and Evolution, Research School of Biology, The Australian National University, 3Dipartimento di Agraria, SACEG, Università degli Studi di Sassari

JoVE 56626


 Biology

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