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In Memoriam: Helen Murray Free, Chemist Who Developed Paper-Strip Diabetes Test

Helen Murray Free, who co-developed the “dip-and-read diabetes test, a paper strip that detected glucose in urine,” died earlier this month. Ms. Free worked with her husband, also a chemist, in creating this diagnostic tool that “made it easier for clinicians to diagnose diabetes and cleared the way for home test kits,” which make it possible for the growing number of people with this condition to check their own glucose levels. The dip-and-read tests continue to be used in clinical laboratories. Read more about Helen Murray Free in The New York Times here.