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He finally resolved to study chemistry, viewing it as a means to understand biological processes. In 1904, Svedberg entered Uppsala University, where he received his bachelor’s degree in 1905, after only a year and a half of study. His first publication, on a new method for creating organic compounds of metals in colloidal form, appeared the same year. He presented his doctoral dissertation in 1907 and accepted an appointment as lecturer in Uppsala’s chemistry department. Life’s Work As a student, Svedberg became interested in the new field of colloid chemistry. Colloids are mixtures containing particles intermediate in size between ordinary molecules and larger particles visible with a microscope. These substances include the materials necessary for life (such as starch, cellulose, and proteins) and countless natural and manufactured materials (foods, paints, gels, soaps, alloys, rubber, fog).

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