Karl Landsteiner blood group A nor of blood group B. Therefore, the immune systems of persons with blood group A, B or AB do not refuse the donation. Further, because persons with blood group AB do not form antibodies against either the antigens of blood group A or B, they can accept blood from persons with these blood groups, besides from persons with blood group O-negative. In today's blood transfusions only concentrates of red blood cells without serum are transmitted, which is of great importance in surgical practice. In 1930 Landsteiner was awarded the Nobel Prize in Physiology or Medicine in recognition
Nobel Prize Nobel Prizes (and the Prizes in Economic Sciences, from 1969 on) were awarded 590 times to 935 people and organizations. With some receiving the Nobel Prize more than once, this makes a total of 27 organizations and 908 individuals. The prize ceremonies take place annually in Stockholm, Sweden (with the exception of the Peace Prize ceremony, which is held in Oslo, Norway). Each recipient (known as a "laureate") receives a gold medal, a diploma, and a sum of money that has been decided by the Nobel Foundation. (, each prize is worth 9,000,000 SEK, or about , €944,000, £836,000 or