دورية أكاديمية
أعرض في EDS

Biodegradable Polycarbonate Iongels for Electrophysiology Measurements.

التفاصيل البيبلوغرافية
العنوان: Biodegradable Polycarbonate Iongels for Electrophysiology Measurements.
المؤلفون: Y Yuen A; POLYMAT, Joxe Mari Korta Center, University of the Basque Country UPV/EHU, Avda. Tolosa 72, 20018 Donostia-San Sebastian, Spain. ayuen08@gmail.com., Porcarelli L; POLYMAT, Joxe Mari Korta Center, University of the Basque Country UPV/EHU, Avda. Tolosa 72, 20018 Donostia-San Sebastian, Spain. luca_porcarelli001@ehu.eus., H Aguirresarobe R; POLYMAT, Joxe Mari Korta Center, University of the Basque Country UPV/EHU, Avda. Tolosa 72, 20018 Donostia-San Sebastian, Spain. roberto.hernandez@ehu.eus., Sanchez-Sanchez A; Electrical Eng. Division, Dept. of Eng., University of Cambridge, 9 JJ Thomson Avenue, Cambridge CB3 0FA, UK. abs50@cam.ac.uk., Del Agua I; POLYMAT, Joxe Mari Korta Center, University of the Basque Country UPV/EHU, Avda. Tolosa 72, 20018 Donostia-San Sebastian, Spain. iisabel.delagua@emse.fr.; Department of Bioelectronics, Ecole Nationale Supérieure des Mines, CMP-EMSE, MOC, 13541 Gardanne, France. iisabel.delagua@emse.fr., Ismailov U; Department of Bioelectronics, Ecole Nationale Supérieure des Mines, CMP-EMSE, MOC, 13541 Gardanne, France. usein.ismailov@mines-stetienne.fr., G Malliaras G; Electrical Eng. Division, Dept. of Eng., University of Cambridge, 9 JJ Thomson Avenue, Cambridge CB3 0FA, UK. gm603@cam.ac.uk., Mecerreyes D; POLYMAT, Joxe Mari Korta Center, University of the Basque Country UPV/EHU, Avda. Tolosa 72, 20018 Donostia-San Sebastian, Spain. david.mecerreyes@ehu.es.; Ikerbasque, Basque Foundation for Science, 48011 Bilbao, Spain. david.mecerreyes@ehu.es., Ismailova E; Department of Bioelectronics, Ecole Nationale Supérieure des Mines, CMP-EMSE, MOC, 13541 Gardanne, France. ismailova@emse.fr., Sardon H; POLYMAT, Joxe Mari Korta Center, University of the Basque Country UPV/EHU, Avda. Tolosa 72, 20018 Donostia-San Sebastian, Spain. haritz.sardon@ehu.eus.
المصدر: Polymers [Polymers (Basel)] 2018 Sep 05; Vol. 10 (9). Date of Electronic Publication: 2018 Sep 05.
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: MDPI Country of Publication: Switzerland NLM ID: 101545357 Publication Model: Electronic Cited Medium: Internet ISSN: 2073-4360 (Electronic) Linking ISSN: 20734360 NLM ISO Abbreviation: Polymers (Basel) Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Basel : MDPI
مستخلص: In recent years, gels based on ionic liquids incorporated into polymer matrices, namely iongels, have emerged as long-term contact media for cutaneous electrophysiology. Iongels possess high ionic conductivity and negligible vapor pressure and can be designed on demand. In spite of the extensive efforts devoted to the preparation of biodegradable ionic liquids, the investigations related to the preparation of iongels based on biodegradable polymers remain scarce. In this work, biodegradable polycarbonate-based iongels are prepared by ring-opening polymerization of N -substituted eight ring membered cyclic carbonate monomers in the presence of imidazolium lactate ionic liquid. Our iongels are able to take up 10⁻30 wt % of ionic liquid and become softer materials by increasing the amount of free ionic liquid. Rheological measurements showed that the cross-over point between the storage modulus G' and loss modulus G″ occurs at lower angular frequencies when the loading of free ionic liquid increases. These gels are able to take up to 30 wt % of the ionic liquid and the ionic conductivity of these gels increased up to 5 × 10 -4 S·cm -1 at 25 °C as the amount of free ionic liquid increased. Additionally, we assess the biodegradation studies of the iongels by immersing them in water. The iongels decrease the impedance with the human skin to levels that are similar to commercial Ag/AgCl electrodes, allowing an accurate physiologic signals recording. The low toxicity and biodegradability of polycarbonate-based iongels make these materials highly attractive for cutaneous electrophysiology applications.
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معلومات مُعتمدة: 607896 Horizon 2020 Framework Programme
فهرسة مساهمة: Keywords: biodegradable; electrodes; electrophysiology; iongels; polycarbonate
تواريخ الأحداث: Date Created: 20190410 Latest Revision: 20231006
رمز التحديث: 20231006
مُعرف محوري في PubMed: PMC6404095
DOI: 10.3390/polym10090989
PMID: 30960914
قاعدة البيانات: MEDLINE
الوصف
تدمد:2073-4360
DOI:10.3390/polym10090989