Background and Education. Physician and educator Elizabeth Blackwell was born on February 3, 1821, in Bristol, England. Brought up in a liberal household that stressed education, Blackwell eventually broke into the field of medicine to become the first woman to graduate from medical school in the United States.
â¢ ASSAY (noun) The noun ASSAY has 4 senses: 1. an appraisal of the state of affairs. 2. a substance that is undergoing an analysis of its components. 3. a written report of the results of an analysis of the composition of some substance.
Enzyme assays are laboratory procedures that measure the rate of enzyme reactions. Because enzymes are not consumed by the reactions they catalyse, enzyme assays usually follow changes in the concentration of either substrates or products to measure the rate of reaction.