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SUMMARY:Polymer bioelectronics: Devices\, tissue engineering and therapeut
 ics - Dr. Rylie Green\; Department of Bioengineering\, Imperial College Lo
 ndon
DTSTART:20190607T140000Z
DTEND:20190607T150000Z
UID:TALK120952@talks.cam.ac.uk
CONTACT:Yonatan Calahorra
DESCRIPTION:Over the past 30 years implantable bionic devices such as coch
 lear implants and pacemakers\, have used a small number of metal electrode
 s to restore sensory perception or muscle control to patients following di
 sease or injury of excitable tissues. With the miniaturisation of electron
 ic chips\, bionic devices are now being developed to treat a wide variety 
 of neural and muscular disorders. Of particular interest is the area of hi
 gh resolution devices that require smaller\, more densely packed electrode
 s. Due to poor integration with living tissue\, conventional metallic elec
 trodes cannot meet these small size requirements and are limited in their 
 ability to safely deliver charge at therapeutic levels. A range of alterna
 te polymer based electronic materials have been investigated by Dr Green i
 ncluding conductive hydrogels (CHs)\, conductive elastomers (CEs) and livi
 ng electrodes (LEs). These technologies provide synergy between low impeda
 nce charge transfer\, reduced stiffness and an ability to be provide a bio
 logically active interface. While these approaches have initially been use
 d to modify existing implant electrodes (including cochlear implants and b
 ionics eye arrays)\, these technologies also offer new opportunities for p
 roducing fully organic electrode arrays which are not bound to metallic su
 bstrates. This talk will outline materials development and characterisatio
 n of both in vitro properties and translational in vivo performance. The c
 hallenges for translation and commercial uptake of novel technologies will
  also be discussed.
LOCATION:Goldsmiths 1\, Lecture Theatre\, Department of Materials Science 
 &amp\; Metallurgy
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