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Author: Katarzyna Krukiewicz Published at: 24.02.2021 Last update: 30.03.2021

PŚ scientists design neurological sensors

Novel neurological sensor, able to monitor intracranial pressure, was designed in cooperation with Centre of Research in Medical Devices (National University of Ireland, Galway), Imperial College London and University of Limerick.

Sensor was fabricated from a biodegradable and bioresorbable poly(glycerol sebacate urethane) (PGSU) composite, reinforced with poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) functionalized carbon nanotubes (CNTs). Analysis of these PGSU-CNTs composites demonstrated that the incorporation of functionalized CNTs into a biodegradable elastomer resulted in enhanced mechanical strength, conductivity and tailored matrix biodegradation. PGSU-CNT composites were subsequently formulated into flexible and active pressure sensors, sensitive to small changes in pressure.

 

Reference: In vitro analysis of a physiological strain sensor formulated from a PEDOT:PSS functionalized carbon nanotube-poly(glycerol sebacate urethane) composit. Ghazal Tadayyon, Katarzyna Krukiewicz, James Britton, et al, Materials Science and Engineering C 121 (2021) 111857

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