= E. Goldwasser
{c}
<E. Goldwasser> investigated <erythropoietin>, the <hormone> supporting <red blood cell> production. A 1977 study with <T. Miyake> and <C. K. Kung> purified human <erythropoietin> from urine through seven separation steps.<Purification of human erythropoietin by T. Miyake and others>[Journal of Biological Chemistry252, pp.5558–5564; Abstract and byline]{ref}
The work coupled <protein purification> to biological activity measurements. Following activity is essential when the desired <protein> is initially a tiny part of a complex sample: the largest <protein> peak need not contain the active <hormone>. The resulting preparation enabled experiments on an identified active material rather than an unexplained effect of crude urine.
\Image[https://edge.sitecorecloud.io/unichicagomc-81nbqnb3/media/images/ucmc/module-images/accordions/cancer/cancer-timeline/cut-accordion-images/goldwasser-small-header-684x385.jpg]
{title=E. Goldwasser}
{description=Portrait identified in https://www.uchicagomedicine.org/cancer/about-us/legacy[UChicago Medicine's research-history account], beside its description of erythropoietin purification.}
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