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.
determination of the purity of a substance or the amount or activity of any particular constituent of a mixture. biological assay. bioassay; determination of the potency of a drug or other substance by comparing the effects it has in a biological system with those of a reference standard.adioreceptor assay a radioligand assay in which a radiolabeled hormone is used to measure the concentration of specific cellular receptors for the hormone in tissue specimens, an example being radioassay of estrogen receptors in breast tissue.