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Proton Pumps: Integral membrane proteins that transport protons across a membrane. This transport can be linked to the hydrolysis of Adenosine triphosphate. What is referred to as proton pump inhibitors frequently is about Potassium hydrogen atpase.
 JoVE Immunology and Infection

Monitoring Changes in Membrane Polarity, Membrane Integrity, and Intracellular Ion Concentrations in Streptococcus pneumoniae Using Fluorescent Dyes

1Department of Microbiology and Immunology, University at Buffalo, State University of New York, 2Witebsky Center for Microbial Pathogenesis and Immunology, University at Buffalo, State University of New York, 3New York State Center of Excellence in Bioinformatics and Life Sciences, University at Buffalo, State University of New York


JoVE 51008

 JoVE Neuroscience

In vivo Optogenetic Stimulation of the Rodent Central Nervous System

1Department of Psychiatry, University of Pittsburgh Medical Center, 2Department of Bioengineering, Stanford University, 3Department of Brain and Cognitive Sciences, Picower Institute for Learning and Memory, Massachusetts Institute of Technology, 4Department of Neurobiology and Behavior, Cornell University, 5Department of Psychiatry and Behavioral Sciences, Stanford University


JoVE 51483

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 JoVE Chemistry

PTR-ToF-MS Coupled with an Automated Sampling System and Tailored Data Analysis for Food Studies: Bioprocess Monitoring, Screening and Nose-space Analysis

1Department of Food Quality and Nutrition, Research and Innovation Centre, Fondazione Edmund Mach (FEM), 2Faculty of Science and Technology, Free University of Bolzano, 3Department of Agriculture, Food and Environmental Sciences, University of Foggia, 4Institute of Analytical Chemistry & Radiochemistry, Leopold-Franzens Universität Innsbruck, 5Institut für Ionenphysik und Angewandte Physik, Leopold-Franzens Universität Innsbruck


JoVE 54075

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 JoVE Medicine

Quantitative Magnetic Resonance Imaging of Skeletal Muscle Disease

1Institute of Imaging Science, Vanderbilt University, 2Department of Radiology and Radiological Sciences, Vanderbilt University, 3Department of Biomedical Engineering, Vanderbilt University, 4Department of Molecular Physiology and Biophysics, Vanderbilt University, 5Department of Physical Medicine and Rehabilitation, Vanderbilt University, 6Department of Physics and Astronomy, Vanderbilt University


JoVE 52352

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 JoVE Neuroscience

The Use of Magnetic Resonance Spectroscopy as a Tool for the Measurement of Bi-hemispheric Transcranial Electric Stimulation Effects on Primary Motor Cortex Metabolism

1Department of Psychology, University of Montréal, 2Montreal Neurological Institute, McGill University, 3Center for Magnetic Resonance Research and Department of Radiology, University of Minnesota


JoVE 51631

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 JoVE Immunology and Infection

An Optimized Protocol to Analyze Glycolysis and Mitochondrial Respiration in Lymphocytes

1Laboratory of Mitochondrial Biology and Metabolism, National Heart, Lung, and Blood Institute, National Institutes of Health, 2Laboratory of Immunogenetics, National Institute of Allergy and Infectious Diseases, National Institutes of Health, 3Laboratory of Immunology, National Institute of Allergy and Infectious Diseases, National Institutes of Health


JoVE 54918

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 Science Education: Essentials of Organic Chemistry

Nuclear Magnetic Resonance (NMR) Spectroscopy

JoVE Science Education

Source: Laboratory of Dr. Henrik Sundén – Chalmers University of Technology

Nuclear magnetic resonance (NMR) spectroscopy is a vital analysis technique for organic chemists. With the help of NMR, the work in the organic lab has been facilitated tremendously. Not only can it provide information about the structure of a molecule but also determine the content and purity of a sample. Compared with other commonly encountered techniques for organic chemists — such as thermal analysis and mass spectrometry (MS) — NMR is a non-destructive method that is valuable when recovery of the sample is important. One of the most frequently used NMR techniques for an organic chemist is proton (1H) NMR. The protons present in a molecule will behave differently depending on its surrounding chemical environment, making it possible to elucidate its structure. Moreover, it is possible to monitor the completion of a reaction by comparing NMR spectra of the starting material to that of the final product. This video exemplifies how NMR spectroscopy can be used in the everyday work of an organic chemist. The following will be shown: i) preparation of an NMR sample. ii) Using 1H NMR to monitor a reaction. iii) Identifying the product obtained from

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 JoVE Medicine

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport

1Department of Surgery, University of Maryland School of Medicine, 2Department of Medicine, University of Maryland School of Medicine, 3Department of Radiology, University of Maryland School of Medicine, 4Food and Drug Administration, 5Department of Pharmaceutical Sciences, University of Maryland School of Pharmacy, 6VA Maryland Health Care System


JoVE 54597

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