Why is Svedberg famous for?
Theodor Svedberg was awarded the 1926 Nobel Prize for chemistry for his work in colloid chemistry, but his name is best known for the “Svedberg unit,” the unit of measurement of the velocity of sedimentation and, thus, the molecular weight of proteins.
What did theodor Svedberg do?
Svedberg, byname The Svedberg, (born Aug. 30, 1884, Fleräng, near Gävle, Sweden—died Feb. 25, 1971, Örebro), Swedish chemist who won the Nobel Prize for Chemistry in 1926 for his studies in the chemistry of colloids and for his invention of the ultracentrifuge, an invaluable aid in those and subsequent studies.
Is Svedberg is the name of scientist?
The unit is named after the Swedish chemist Theodor Svedberg (1884–1971), winner of the 1926 Nobel Prize in chemistry for his work on disperse systems, colloids and his invention of the ultracentrifuge.
What is the unit of Svedberg?
The Svedberg unit (Symbol S) is a measure of the sedimentation rate of a particle when centrifuged. More precisely, it is a measure of time and is equal to the value of 100 femtoseconds (10-13 seconds).
What is Svedberg constant?
The constants in a Svedberg equation for estimating the molecular weight of a protein from the rate of movement in a centrifugal field. The Svedberg unit (S) is arbitrarily set at 1 × 10-13 sec and is often used to describe the sedimentation rate of macromolecules (e.g., 4 S RNA). Synonym(s): sedimentation coefficient.
Who invented Svedberg?
Svedberg was active at Uppsala University from the mid 1900s to late 1940s. While at Uppsala, Svedberg started as a docent before becoming the university’s physical chemistry head in 1912….
| Theodor Svedberg | |
|---|---|
| Nationality | Swedish |
| Alma mater | Uppsala University |
| Known for | analytical ultracentrifugation Colloid chemistry |
What do Svedberg units indicate?
What do you mean by ultracentrifugation?
: a high-speed centrifuge able to separate out colloidal and other small particles and used especially in determining the sizes of such particles or the molecular weights of large molecules. ultracentrifuge.
What did Theodor Svedberg do for a living?
Theodor (“The”) Svedberg (30 August 1884 – 25 February 1971) was a Swedish chemist and Nobel laureate for his research on colloids and proteins using the ultracentrifuge, active at Uppsala University .
When did Theodor h.e.svedberg retire?
After receiving his doctorate from the University of Uppsala in 1907, Svedberg joined the faculty there. When he retired in 1949 he was named director of the new Gustaf Werners Institute for Nuclear Chemistry, a post he held until 1967.
How did h.e.svedberg determine the molecular weights of proteins?
Svedberg found that the size and weight of the particles determined their rate of settling out, or sedimentation, and he used this fact to measure their size. With an ultracentrifuge, Svedberg went on to determine precisely the molecular weights of highly complex proteins such as hemoglobin.