16 New Year Nail Art Designs for 2016
Svedberg decided to use the ultracentrifuge to find the size distribution and molecular weights of proteins, which chemists believed were not uniform in size. To his surprise, tests with hemoglobin showed that all the particles were the same size. Just as amazing was the result that the molecular weight of hemoglobin was four times that predicted from its composition. The first ultracentrifuge was unstable and unreliable, and it exhibited numerous problems. Explosions and breakage were common occurrences. Svedberg and his coworkers redesigned this device many times. Though it was suitable for many purposes, a different mechanism was needed to speed the centrifugation process and to enable researchers to distinguish components in a complex mixture.
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