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SUMMARY:Smart fibers and textiles for medical applications
DTSTART:20151026T131500
DTEND:20151026T141500
DTSTAMP:20260428T032842Z
UID:529bbd8e1ff63dfad713378745dfc5751f33029ca5acd057571d0d92
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. René Rossi\, Swiss Federal Laboratories for Materials Sci
 ence and Technology\, St. Gallen\nFibers\, membranes and in general textil
 es are commonly worn around the body and are therefore ideal materials for
  the monitoring of vital body functions or for transdermal drug delivery s
 ystems. As they are flexible and robust\; and present a unique surface-to-
 volume ratio\, they can be used to develop wearable sensors with high wear
 ing comfort and covering large body areas. For instance\, optical fiber-ba
 sed sensors have been used for the supervision of respiration\, cardiac ou
 tput\, blood pressure\, oxygen saturation\, as well as the monitoring of p
 ressure for the prevention of pressure ulcers [1]. Stimuli-responsive poly
 mers that change their molecular structure in dependence of temperature\, 
 light or pH can be processed into fibers and membranes for different biome
 dical applications like highly-sensitive drug carriers with well-controlle
 d delivery [2\, 3]. In a recent project with the University hospital of Zu
 rich\, we developed a light-responsive membrane that will be used for the 
 delivery of caffeine for preborn infants suffering from lung insufficiency
  [4]. The same membrane is intended to be used as part of a non-invasive g
 lucose monitoring system. In this seminar\, an overview of our research in
  the field of smart fibers and membranes for sensory and targeted delivery
  will be given.    \n[1] Quandt\, M.\, Scherer\, L.J.\, Boesel\, L.\, 
 Wolf\, M.\, Bona\, G.L.\, Rossi\, R.M.\, 2015\, Body-monitoring and health
  supervision by means of optical fiber-based sensing systems in medical te
 xtiles\, Adv. Healthcare Mat.\, 4 (3)\, 330-355\n[2] Crespy\, D.\, Rossi\,
  R.M.\, 2007\, Temperature-responsive polymers with LCST in the physiologi
 cal range and their applications in textiles\, Polymer Int.\, 56 (12)\, 14
 61-1468\n[3] Ghitescu\, R.E.\, Popa\, A.M.\, Popa\, V.I.\, Rossi\, R.M.\, 
 Fortunato\, G.\, 2015 Polyphenols encapsulated in pHEMA e-spun fibers and 
 determination of their antioxidant activities\, Int. J. Pharmaceutics\, 49
 4\, 278-287\n[4] Schöller\, K.\, Küpfer\, S.\, Baumann\, L.\, Hoyer\, P.
 M.\, de Courten\, D.\, Marti\, D.\, Rossi\, R.M.\, Vetushka\, A.\, Wolf\, 
 M.\, Bruns\, N.\, Scherer\, L.J.\, 2014\, From membrane to skin: aqueous p
 ermeation control through light-responsive amphiphilic polymer co-networks
 \, Adv. Funct. Mat.\, 24\, 5194-5201\nBio: Rene M. Rossi is physicist and 
 obtained his PhD at ETH Zurich in the field of the complex man-clothing-en
 vironment interactions in a firefighting environment. Since 2003\, he is t
 he head of the Laboratory for Protection and Physiology at Empa\, a group 
 of 40 persons working in the field of high-tech fibres and textiles for ne
 ar-to-body applications. One of the key topics of the laboratory are the d
 evelopment of textile-based sensors for medical applications.
LOCATION:MXF 1 https://plan.epfl.ch/?room==MXF%201
STATUS:CONFIRMED
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