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Ion Exchange: Reversible chemical reaction between a solid, often one of the Ion exchange resins, and a fluid whereby ions may be exchanged from one substance to another. This technique is used in water purification, in research, and in industry.

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

Measurement of Extracellular Ion Fluxes Using the Ion-selective Self-referencing Microelectrode Technique

1Department of Dermatology, Institute for Regenerative Cures, University of California, Davis, 2Departamento de Biologia, Centro de Biologia Molecular e Ambiental, Universidade do Minho, 3Department of Neurology and Center for Neuroscience, University of California, Davis Imaging of Dementia and Aging Laboratory, 4Department of Ophthalmology, Institute for Regenerative Cures, University of California, Davis

JoVE 52782

 Biology

Determining the Mass Percent Composition in an Aqueous Solution

JoVE 10172

Source: Laboratory of Dr. Neal Abrams — SUNY College of Environmental Science and Forestry


Determining the composition of a solution is an important analytical and forensic technique. When solutions are made with water, they are referred to as being aqueous, or containing water. The primary component of a solution is referred to as…

 General Chemistry

Expression, Purification, Crystallization, and Enzyme Assays of Fumarylacetoacetate Hydrolase Domain-Containing Proteins

1Research Institute for Biomedical Aging Research, University of Innsbruck Austria, 2Center for Molecular Biosciences Innsbruck (CMBI), University of Innsbruck Austria, 3Division of Genetic Epidemiology, Medical University of Innsbruck Austria, 4Faculty of Chemistry, Department of Organic Chemistry, University of Vienna Austria

JoVE 59729

 Biochemistry

Removal of Trace Elements by Cupric Oxide Nanoparticles from Uranium In Situ Recovery Bleed Water and Its Effect on Cell Viability

1Division of Physical Therapy, Department of Orthopedics & Rehabilitation, University of New Mexico, 2Department of Ecosystem Science and Management, University of Wyoming, 3School of Pharmacy, University of Wyoming, 4Department of Environmental and Radiological Health Sciences, Colorado State University, 5Center for Environmental Medicine, Colorado State University, 6College of Pharmacy, California Northstate University

JoVE 52715

 Environment

Fabrication of a Dipole-assisted Solid Phase Extraction Microchip for Trace Metal Analysis in Water Samples

1Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, 2Center for Measurement Standards, Industrial Technology Research Institute, 3National Synchrotron Radiation Research Center, 4Department of Chemistry, National Changhua University of Education

JoVE 53500

 Bioengineering

High Resolution Quantitative Synaptic Proteome Profiling of Mouse Brain Regions After Auditory Discrimination Learning

1Leibniz Institute for Neurobiology (LIN), 2Institute of Experimental Internal Medicine, Medical School, Otto von Guericke University Magdeburg, 3Institute of Pharmacology and Toxicology, Medical School, Otto von Guericke University

JoVE 54992

 Neuroscience

From Constructs to Crystals – Towards Structure Determination of β-barrel Outer Membrane Proteins

1Department of Biological Sciences, Markey Center for Structural Biology, Purdue University, 2National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), National Institutes of Health, 3National Institute of General Medical Sciences (NIGMS), National Institutes of Health

JoVE 53245

 Chemistry

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

Antimicrobial Peptides Produced by Selective Pressure Incorporation of Non-canonical Amino Acids

1Department of Biocatalysis, Institute of Chemistry, Technische Universität Berlin, 2Department of Bioenergetics, Institute of Chemistry, Technische Universität Berlin, 3Molecular Genetics Group, Groningen Biomolecular Sciences and Biotechnology Institute, Department of Molecular Genetics, University of Groningen

JoVE 57551

 Bioengineering

Assessment of the Synaptic Interface of Primary Human T Cells from Peripheral Blood and Lymphoid Tissue

1Department of Microbiology and Immunology, Thomas Jefferson University, 2Department of Microbiology and Institute for Immunology, Perelman School of Medicine, University of Pennsylvania, 3Department of Medicine Huddinge, Karolinska Institutet, Karolinska University Hospital Huddinge, 4Departments of Microbiology and Immunology and Medical Oncology, Sidney Kimmel Cancer Center, Thomas Jefferson University

JoVE 58143

 Immunology and Infection

Tuning the Acidity of Pt/ CNTs Catalysts for Hydrodeoxygenation of Diphenyl Ether

1Laboratory of Advanced Materials and Catalytic Engineering, School of Chemical Engineering, Dalian University of Technology, 2Faculty of Science and Technology, Technological and Higher Education Institute of Hong Kong, 3State Key Laboratory of Fine Chemicals, Institute of Coal Chemical Engineering, School of Chemical Engineering, Dalian University of Technology

JoVE 59870

 Chemistry

Separation of Uranium and Thorium for 230Th-U Dating of Submarine Hydrothermal Sulfides

1Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, 2Institutions of Earth Science, Chinese Academy of Sciences, 3University of Chinese Academy of Sciences, 4First Institute of Oceanography, State Oceanic Administration, 5Key Laboratory of Submarine Geosciences, Second Institute of Oceanography, State Oceanic Administration

JoVE 59098

 Chemistry

Purification of Extracellular Trypanosomes, Including African, from Blood by Anion-Exchangers (Diethylaminoethyl-cellulose Columns)

1Univ. Bordeaux UMR INTERTRYP 177 IRD CIRAD, 2IRD UMR 177 INTERTRYP CIRAD, 3CNRS, UMR 5234, Microbiologie Fondamentale et Pathogénicité, Univ. Bordeaux, 4Centre Hospitalier Université Bordeaux

JoVE 58415

 Immunology and Infection
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