Memorial Tributes Volume 24 (2022) / Chapter Skim
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J. DAVID HELLUMS
J. DAVID HELLUMS
Pages 166-169
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From page 167... ...
David joined the faculty of chemical engineering at Rice University in 1960 as an assistant professor and remained there for his entire career. He became an associate professor (1965)
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From page 168... ...
His early studies on the mechanisms of individual red cell hemolysis in artificial heart valves provided basic design guidelines for combinations of fluid stress magnitude and exposure times that need to be avoided in blood-contacting devices in patients because they lead to red cell damage.1 Human blood platelets play a crucial role in arterial thrombosis, the cause of heart attacks and stroke, the largest cause of death in the Western world. David and his colleagues at the Texas Medical Center demonstrated that shear stresses associated with blood flow in many medical devices and stenotic arteries play a vital role in platelet activation and receptor expression.2 These studies identified the significant role of von Willebrand factor in arterial thrombosis and the formation of platelet emboli under flow, leading to important new ways of thinking about therapeutic approaches.
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From page 169... ...
When he was in Austin at UT he met the love of his life and soulmate, Marilyn Biel; they married in 1957. They both loved sailing, particularly along the Texas Gulf Coast, and delighted in leisurely multiday excursions along the beautiful bays and channels with family, friends, and wonderful food.
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