DETECTION AND ANALYSIS OF PROTEINS - A Guide to Methods in the Biomedical Sciences - page 2

experimentalist, even to the point of using inaccurate instrumentation
for his measurements. But Dalton's curious mind also led him to be the
first to identify color blindness, a condition that both he and his brother
suffered from. In an attempt to permit the discovery of the molecular
basis for his color blindness, he donated his eyes (not his head!) for
study upon his death.
The discovery that proteins are composed of strings of amino acids
was made by Hermann Fischer, who won the Nobel Prize in Chemistry
in 1902 for his accomplishment (Table 1). The amino acids are joined to-
gether by peptide bonds, and consequently proteins are often referred
to as polypeptides. Peptide bonds form between the carbon atom of
the carboxyl group and nitrogen atom of the amino group of adjacent
amino acids. The sequence of amino acids make up a protein identifies