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Aldehyde Dehydrogenase: An enzyme that oxidizes an aldehyde in the presence of NAD+ and water to an acid and Nadh. This enzyme was formerly classified as EC 1.1.1.70.
 JoVE Biology

Deficient Pms2, ERCC1, Ku86, CcOI in Field Defects During Progression to Colon Cancer

1Department of Cell Biology and Anatomy, College of Medicine, University of Arizona, Tucson, 2Southern Arizona Veterans Affairs Health Care System, Tucson, AZ, 3Department of Surgery, College of Medicine, University of Arizona, Tucson, 4Biomedical Diagnostics and Research, Tucson, AZ, 5Department of Medicine, College of Medicine, University of Arizona, Tucson


JoVE 1931

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 JoVE Genetics

Genetic Engineering of an Unconventional Yeast for Renewable Biofuel and Biochemical Production

1Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, 2NUS Synthetic Biology for Clinical and Technological Innovation (SynCTI), Life Sciences Institute, National University of Singapore, 3Food Science and Chemical Engineering, Singapore Institute of Technology


JoVE 54371

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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 Immunology and Infection

High-throughput Screening for Broad-spectrum Chemical Inhibitors of RNA Viruses

1Unité de Génomique Virale et Vaccination, Virology Department, Institut Pasteur, CNRS UMR3569, 2Unité de Chimie et Biocatalyse, Biochemistry and Structural Biology Department, Institut Pasteur, CNRS UMR3523, 3Unité des Interactions Moléculaires Flavivirus-Hôtes, Virology Department, Institut Pasteur


JoVE 51222

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 JoVE Immunology and Infection

High-throughput Quantitative Real-time RT-PCR Assay for Determining Expression Profiles of Types I and III Interferon Subtypes

1Center for Biologics Evaluation and Research, US Food and Drug Administration, 2Center for Drug Evaluation and Research, US Food and Drug Administration


JoVE 52650

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 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

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 JoVE Bioengineering

Correlative Light- and Electron Microscopy Using Quantum Dot Nanoparticles

1South Western Sydney Clinical School, Faculty of Medicine, University of New South Wales Australia, 2School of Medicine, Western Sydney University, 3Correlative Microscopy Group, Ingham Institute for Applied Medical Research, 4Electron Microscopy Laboratory, Department of Anatomical Pathology, Sydney South West Pathology Service, New South Wales Health Pathology, 5School of Medical Sciences, Faculty of Medicine, University of New South Wales Australia


JoVE 54307

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 JoVE Biology

Chemically-blocked Antibody Microarray for Multiplexed High-throughput Profiling of Specific Protein Glycosylation in Complex Samples

1Institute for Hepatitis and Virus Research, 2Department of Microbiology and Immunology, Thomas Jefferson University, 3Drexel University College of Medicine, 4Van Andel Research Institute, 5Institute for Hepatitis and Virus Research, Serome Biosciences Inc.


JoVE 3791

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 JoVE Neuroscience

The Neuromuscular Junction: Measuring Synapse Size, Fragmentation and Changes in Synaptic Protein Density Using Confocal Fluorescence Microscopy

1Physiology and Bosch Institute, University of Sydney, 2Motor Neuron Disease Research Group, Australian School of Advanced Medicine, Macquarie University, 3Advanced Microscopy Facility, Bosch Institute, University of Sydney


JoVE 52220

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 JoVE Bioengineering

Lignin Down-regulation of Zea mays via dsRNAi and Klason Lignin Analysis

1The School of Plant Sciences, University of Arizona, 2Department of Chemical Engineering and Materials Science, DOE Great Lakes Bioenergy Research Center, Michigan State University, 3The Institute for Sustainable and Renewable Resources, The Institute for Advanced Learning and Research, 4Department of Plant, Soil and Microbial Sciences, Michigan State University


JoVE 51340

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