New polypyrrole based bio-sensors for Bio-impedance measurement

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dc.contributor.authorTelipan, Gabrielaen_US
dc.contributor.authorPîslaru-Dănescu, Lucianen_US
dc.contributor.authorIon, Ioanaen_US
dc.date.accessioned2020-09-24T07:21:12Z
dc.date.available2020-09-24T07:21:12Z
dc.date.issued2019-07
dc.description.abstractObjective: The main task of this work consists in an obtaining polarizable, dry mode, of bio-impedance sensors for non-invasiveECG monitoring, that work without any skin preparation or gel use, in two constructive models, based on conductive organicpolymer polypyrrole and polypyrrole with Ag nanoparticles (NP), as sensitive materials. Methods: The polypyrrole wassynthetized by chemical oxidative polymerization using FeCl3 as oxidant agent. For sensors fabrication two technological variantshave been chosen, a first variant realized by photolithographic method consisting in a substrate of Printed Circuit Board (PCB)with interdigitated copper electrode with step of 0.25 mm and over a distance of 12 mm and two pads. The polypyrrole orpolypyrrole with Ag NP dissolved in ethyl alcohol was deposed on the substrate by dipping method. The second model consists ina polypyrrole powder pressed at a hydraulic press at 10 tones/cm2 of force where one site was deposed a layer of Ag ink forconduction. Results: The performance of bio-impedance sensors were accessed by impedance skin-sensor interface withfrequency in the range of 10 - 300 kHz measurements. The influences of technological fabrication as shape and geometry as wellas the sensitive materials that used, in terms of impedance were analyzed. Conclusions: The introduction of Ag NP in polypyrrole,led to a better behavior, in terms of conduction and impedance response. For all tested sensors, the impedance decreases with thefrequency with a good linearity.en_US
dc.identifier.affiliationsLaboratory of Sensors/Actuators and Energy Harvesting, National Institute for Research and Development in Electrical Engineering ICPE-CA, Bucharest 030138, Romaniaen_US
dc.identifier.affiliationsLaboratory of Sensors/Actuators and Energy Harvesting, National Institute for Research and Development in Electrical Engineering ICPE-CA, Bucharest 030138, Romania.en_US
dc.identifier.affiliationsLaboratory of Metallic Materials, National Institute for Research and Development in Electrical Engineering ICPE-CA, Bucharest 030138, Romania.en_US
dc.identifier.citationTelipan Gabriela, Pîslaru-Dănescu Lucian, Ion Ioana. New polypyrrole based bio-sensors for Bio-impedance measurement. International Journal of Medical and Health Sciences . 2019 Jul; 8(3): 38-47en_US
dc.identifier.issn2277-4497
dc.identifier.placeIndiaen_US
dc.identifier.urihttps://imsear.searo.who.int/handle/123456789/203123
dc.languageenen_US
dc.publisherInternational Journal of Medical and Health Sciencesen_US
dc.relation.issuenumber3en_US
dc.relation.volume8en_US
dc.source.urihttps://www.ijmhs.net/articles/5d44e4ca07c40.pdfen_US
dc.subjectConductive polymersen_US
dc.subjectpolypyrrole based sensorsen_US
dc.subjectbio-impedanceen_US
dc.subjectbio-potentialen_US
dc.subjectnon-polarizable electrodesen_US
dc.subjectpolarizable electrodesen_US
dc.titleNew polypyrrole based bio-sensors for Bio-impedance measurementen_US
dc.typeJournal Articleen_US
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