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Halting the Briggs-Rauscher Oscillating Reaction The Briggs-Rauscher reaction is demonstrated in three different ways. Catalase from a liver extract decomposes the hydrogen peroxide in an Briggs-Rauscher reaction, stopping the oscillations.
Catalysis |
Kinetics |
Enzymes |
Proteins / Peptides
HIV-1 Protease: An Enzyme at Work This is "HIV-1 Protease: An Enzyme at Work", from a video tape published by the Journal of Chemical Education - Software as Special Issue 13
Biochemistry : Inhibitor (15 Variations) Which of the following molecules would you expect to be the strongest competitive inhibitor of the enzyme whose substrate is shown?
alcohol dehydrogenase, substrate ethanol CH2CH2OH
Enzymes
Kinetics : Enzyme (7 Variations)
Trypsin assists in digestion by breaking proteins down into smaller peptides. However, this process is not as efficient in the presence of fluorophosphates. Identify the role of each of these components.
Enzymes |
Kinetics
Journal Articles: First 3 results.
Pedagogies:
Frank Westheimer's Early Demonstration of Enzymatic SpecificityAddison Ault Reviews one of the most significant accomplishments of one of the most respected chemists of the 20th centurya series of stereospecific enzymatic oxidation and reduction experiments that led chemists to recognize enantiotopic and diastereotopic relationships of atoms, or groups of atoms, within molecules. Ault, Addison. J. Chem. Educ.2008, 85, 1246.
Asymmetric Synthesis |
Bioorganic Chemistry |
Catalysis |
Chirality / Optical Activity |
Enantiomers |
Enzymes |
Isotopes |
Nucleophilic Substitution |
Oxidation / Reduction |
Stereochemistry
The Preparation and Enzymatic Hydrolysis of a Library of EstersElizabeth M. Sanford and Traci L. Smith In this investigative case study, students work collaboratively to prepare and characterize a library of esters using Fischer esterification and alcoholysis of acid chlorides and their subsequent enzymatic hydrolysis by pig liver and orange peel esterases. Sanford, Elizabeth M.; Smith, Traci L. J. Chem. Educ.2008, 85, 944.
ChemPaths 104 M Feb 28John W. Moore Today in Chem 104:
* Lecture: Catalysis
* Reading:
Kotz, Ch. 15, Sec. 6
Moore, Ch. 13, Sec. 8-10
* Homework #6 due by 11:55 pm F Mar 4
* Biomolecules Tutorial: Enzymes (and Enzymes Quiz)
due at 11:55 pm, W Mar 2.
Catalysis |
Enzymes
Enzyme Activity as a Function of pHPaul Krause A matched pair of documents providing an introduction to the role of pH in the regulation of enzyme activity. The tutorial document contains all the equations and graphs for students to use to study the role of pH in enzyme kinetics. In the EnzymeExercise twin document all quations are omitted so that students can develop these interactively. The Exercise document is also ideal for display during lecture where the ideas can be developed interactively with the class as a whole.
Enzymes
Catalysis in BiologyTim Wendorff A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.
