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Nature of Proteins Effect of pH on solubility, denaturing proteins, hydrolysis in strong base, binding to coomassie blue, dying wool and cotton, gel filtration column, reaction of ninhydrin with amino acids and precipitating protein with ammonium sulfate are demonstrated.
Proteins / Peptides
Protein Reactions Curdling milk, decomposition of hydrogen peroxide by catalase, glucose oxidase activity, hydrolyzing of sucrose with invertase, and using an enzyme to halt the Briggs-Rauscher reaction are demonstrated. Inhibiting the enzyme HIV-1 protease may slow the spread of AIDS.
Classroom Demonstration of a Spot Test for Phenylpyruvic Acid and Its Relationship to PhenylketonuriaChristopher J. Halkides A classroom demonstration of a spot test for phenylketonuria using ferric chloride is discussed. The chemistry is similar to that used in Phenistix test strips. Some background information on screening infants for phenylketonuria is also given. Halkides, Christopher J. J. Chem. Educ.2004, 81, 366.
Amino Acids |
Enzymes |
Biotechnology |
Metabolism |
Oxidation / Reduction
Nucleophilic and Enzymic Catalysis of p-Nitrophenylacetate HydrolysisHead, Michael B.; Mistry, Kalpna S.; Ridings, Bernard J.; Smith, Christopher A.; Parker, Mark J. Experimental procedure for determining the relative effectiveness of several amino acids and enzymes in catalyzing the hydrolysis of p-nitrophenylacetate; sample data and analysis included. Head, Michael B.; Mistry, Kalpna S.; Ridings, Bernard J.; Smith, Christopher A.; Parker, Mark J. J. Chem. Educ.1995, 72, 184.
ChemPaths 104 W Feb 2John W. Moore Today in Chem 104:
* Lecture: Biochemistry: Proteins
* Reading: Biomolecules Tutorials
o Proteins 1 (including debriefing)
o Proteins 2 (including debriefing)
o Quiz due TODAY, 11:55 PM)
* Homework #3 due by 11:55pm F Feb 4.
Proteins / Peptides |
Amino Acids
Limiting Reagent Protein NutritionEd Vitz A section of ChemPrime, the Chemical Educations Digital Library's free General Chemistry textbook.