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6-Aminocaproic Acid: An antifibrinolytic agent that acts by inhibiting plasminogen activators which have fibrinolytic properties.
 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 Chemistry

Construction of Models for Nondestructive Prediction of Ingredient Contents in Blueberries by Near-infrared Spectroscopy Based on HPLC Measurements

1United Graduate School of Agricultural Science, Tokyo University of Agriculture and Technology, 2Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3Institute of Agriculture, Tokyo University of Agriculture and Technology


JoVE 53981

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 JoVE Immunology and Infection

Phage Phenomics: Physiological Approaches to Characterize Novel Viral Proteins

1Department of Biology, San Diego State University, 2Computational Science Research Center, San Diego State University, 3Bioinformatics and Medical Informatics Research Center, San Diego State University, 4Department of Mathematics and Statistics, San Diego State University, 5Department of Computer Science, San Diego State University, 6Mathematics and Computer Science Division, Argonne National Laboratory, 7SPARC Committee, Broad Institute


JoVE 52854

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 JoVE Biology

Protocols for Implementing an Escherichia coli Based TX-TL Cell-Free Expression System for Synthetic Biology

1Department of Biology, California Institute of Technology, 2Department of Bioengineering, California Institute of Technology, 3Synthetic Biology Center, Department of Bioengineering, Massachusetts Institute of Technology, 4School of Physics and Astronomy, University of Minnesota


JoVE 50762

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 JoVE Chemistry

Conducting Miller-Urey Experiments

1School of Chemistry and Biochemistry, Georgia Institute of Technology, 2Earth-Life Science Institute, Tokyo Institute of Technology, 3Institute for Advanced Study, 4Astromaterials Research and Exploration Science Directorate, NASA Johnson Space Center, 5Goddard Center for Astrobiology, NASA Goddard Space Flight Center, 6Geosciences Research Division, Scripps Institution of Oceanography, University of California at San Diego


JoVE 51039

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 JoVE Medicine

Quantification of the Immunosuppressant Tacrolimus on Dried Blood Spots Using LC-MS/MS

1iC42 Clinical Research and Development, University of Colorado, Anschutz Medical Campus, 2Division of Clinical Pharmacology, Cincinnati Children's Hospital Medical Center, 3Food and Drug Administration (FDA), Center of Drug Evaluation Research - Office of Generic Drugs, 4Transplant Clinical Research, University of Cincinnati


JoVE 52424

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 Science Education: Essentials of General Chemistry

Introduction to Titration

JoVE Science Education

Source: Laboratory of Dr. Yee Nee Tan — Agency for Science, Technology, and Research

Titration is a common technique used to quantitatively determine the unknown concentration of an identified analyte.1-4 It is also called volumetric analysis, as the measurement of volumes is critical in titration. There are many types of titrations based on the types of reactions they exploit. The most common types are acid-base titrations and redox titrations.5-11 In a typical titration process, a standard solution of titrant in a burette is gradually applied to react with an analyte with an unknown concentration in an Erlenmeyer flask. For acid-base titration, a pH indicator is usually added in the analyte solution to indicate the endpoint of titration.12 Instead of adding pH indicators, pH can also be monitored using a pH meter during a titration process and the endpoint is determined graphically from a pH titration curve. The volume of titrant recorded at the endpoint can be used to calculate the concentration of the analyte based on the reaction stoichiometry. For the acid-base titration presented in this video, the titrant is a standardized sodium hydroxide solution and the analyte is domestic vinegar. Vinegar is an acidic liquid that

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