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Membranes, Artificial: Artificially produced membranes, such as semipermeable membranes used in artificial kidney dialysis (Renal dialysis), monomolecular and bimolecular membranes used as models to simulate biological Cell membranes. These membranes are also used in the process of Guided tissue regeneration.

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

Preparation of Giant Vesicles Encapsulating Microspheres by Centrifugation of a Water-in-oil Emulsion

1Department of Mathematical and Physical Sciences, Faculty of Science, Japan Women's University, 2Department of Bioorganization Research, Okazaki Institute for Integrative Bioscience, National Institutes of Natural Sciences, 3Department of Life and Coordination-Complex Molecular Science, Institute for Molecular Science, National Institutes of Natural Sciences, 4Research Center for Complex Systems Biology, The University of Tokyo

JoVE 55282


 Biochemistry

Multifunctional, Micropipette-based Method for Incorporation And Stimulation of Bacterial Mechanosensitive Ion Channels in Droplet Interface Bilayers

1Department of Mechanical Engineering, Virginia Polytechnic Institute and State University, 2School of Biomedical Engineering and Sciences, Virginia Polytechnic Institute and State University, 3Department of Biology, University of Maryland, 4College of Engineering, University of Georgia, 5Department of Engineering Sciences and Mechanics, Virginia Polytechnic Institute and State University

JoVE 53362


 Biology

A Step by Step Protocol for Subretinal Surgery in Rabbits

1Department of Ophthalmology, University of Bonn, 2Department of Ophthalmology, National University of Singapore, 3Geuder AG, 4Department of Ophthalmology, University of Münster, 5Section on Epithelial and Retinal Physiology and Disease, National Eye Institute/National Institutes of Health, 6Surgical Retina Department, Singapore National Eye Centre

JoVE 53927


 Medicine

Protocols for Investigating the Host-tissue Distribution, Transmission-mode, and Effect on the Host Fitness of a Densovirus in the Cotton Bollworm

1State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, 2Tobacco Research Institute, Chinese Academy of Agricultural Sciences, 3Crop and Environment Sciences, Harper Adams University

JoVE 55534


 Immunology and Infection

Experimental Approach for Determining Semiconductor/liquid Junction Energetics by Operando Ambient-Pressure X-ray Photoelectron Spectroscopy

1Division of Chemistry and Chemical Engineering, California Institute of Technology, 2Joint Center for Artificial Photosynthesis, California Institute of Technology, 3Advanced Light Source, Lawrence Berkeley National Laboratory, 4Beckman Institute, California Institute of Technology

Video Coming Soon

JoVE 54129


 JoVE In-Press

Expression of Fluorescent Proteins in Branchiostoma lanceolatum by mRNA Injection into Unfertilized Oocytes

1Département de Biologie du Développement et Cellules Souches, Institut Pasteur, 2Laboratoire de Biologie du Développement de Villefranche-sur-Mer (UMR7009 CNRS/UPMC Univ Paris 06), Sorbonne Universités, 3Equipe Epigenetic Control of Normal and Pathological Hematopoiesis, Centre de Recherche en Cancérologie de Marseille, 4Unité de Dynamique des Interactions Membranaires Normales et Pathologiques, CNRS UMR5235/DAA/cc107/Université Montpellier II, 5Plateforme BioEmergences IBiSA FBI, CNRS-NED, Institut de Neurobiologie Alfred Fessard

JoVE 52042


 Developmental Biology

Reconstitution of Membrane Proteins

JoVE 5693

Reconstitution is the process of returning an isolated biomolecule to its original form or function. This is particularly useful for studying membrane proteins, which enable important cellular functions and affect the behavior of nearby lipids. To study the function of purified membrane proteins in situ, they must be reconstituted by integrating them into an artificial lipid membrane.

This video introduces membrane protein reconstitution concepts and related procedures, such as protein isolation using detergent, formation of artificial vesicles using lipids, incorporation of the isolated protein into the artificial vesicle, and separation of the detergent from the solution. Finally, two applications are covered: reconstitution of membrane transport proteins and reconstitution of light-harvesting proteins.  Reconstitution is the process of restoring an isolated biomolecule to its original form or functionality. This approach is often used when studying membrane proteins, which enable many important cellular processes and affect the behavior of neighboring lipids. However, the complexity of the cell environment makes membrane protein functions difficult to study in situ. The proteins can be extracted and purified, but their actual functions cannot be evaluated without a membrane. Therefore, isolated membrane


 Essentials of Biochemistry

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