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Chapter Three Amino Acids and Peptides Paul D. Adams University of Arkansas Mary K. Campbell Shawn O. Farrell http://academic.cengage.com/chemistry/campbell
Amino Acids ,[object Object],[object Object],[object Object],[object Object],[object Object]
Amino Acid Structure and Properties ,[object Object],[object Object],[object Object],[object Object]
Individual Amino Acids ,[object Object],[object Object],[object Object],[object Object],[object Object]
Amino Acids (cont’d) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Amino Acids (cont’d) ,[object Object],[object Object],[object Object],[object Object]
Amino Acids (cont’d) ,[object Object],[object Object],[object Object],[object Object],[object Object]
Amino acid summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Uncommon Amino Acids ,[object Object],[object Object],[object Object],[object Object]
Ionization of Amino Acids ,[object Object],[object Object]
Ionization of Amino Acids ,[object Object]
Titration of Amino Acids ,[object Object]
Titration of alanine with NaOH
Titration of histidine with NaOH
Acidity:   -COOH Groups ,[object Object],[object Object]
Basicity:   -NH 3 +  groups ,[object Object]
Basicity (cont’d) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Ionization vs pH ,[object Object],[object Object],[object Object]
Ionization vs pH (cont’d) ,[object Object],[object Object],[object Object]
Ionization vs pH (cont’d) ,[object Object],[object Object]
Ionization vs pH ,[object Object],[object Object],[object Object]
[object Object],[object Object],Henderson-Hasselbalch Equation
Isoelectric pH ,[object Object],[object Object],[object Object]
Electrophoresis ,[object Object],[object Object],[object Object]
Peptide Bonds ,[object Object],[object Object]
Geometry of Peptide Bond ,[object Object],[object Object],[object Object],[object Object]
Peptides ,[object Object],[object Object],[object Object],[object Object],[object Object]
Peptides with Physiological Activity
Peptides with Physiological Activity (cont’d)

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Campbell6e lecture ch3