Development of new ceramic doped ionoconducting membranes for biomedical applications.

MRS Online Proceedings Library volume 756, Article number: 61 (2002) Cite this article

Abstract

New ionoconducting composite membranes to be used as an interface between the skin and the actual electrical instrumentation used to produce an electroencephalogram (EEG) have been developed. The gels are based on lithium salts and PMMA (polymethyl methacrylate) and have been doped with nanometric titanium oxide. The samples have been electrochemically characterized by means of impedance spectroscopy and their structure studied by ATR-FTIR and MAS NMR. Spectroscopic studies indicate interactions between the polymer and oxide dopant. The polymeric electrolytes allowed the registration of good electrophysiological cortical signals either spontaneous or stimulus-related.

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Affiliations

  1. Dipartimento di Scienze e Tecnologie Chimiche and Dipartimento di Fisica, Via della Ricerca Scientifica 1, 00133, Rome, Italy

    Paola Romagnoli, Maria Luisa Di Vona, Enrico Traversa & Silvia Licoccia

  2. Università di Roma “Tor Vergata”, Via della Ricerca Scientifica 1, 00133, Rome, Italy

    Livio Narici

  3. Centro Farmaci Neuroattivi-Dipartimento di Scienze Motorie, Universita’ di Genova, Largo Benzi 10, 16132, Genova, Italy

    Walter G. Sannita & Simone Carozzo

  4. Department of Psychiatry, State University of New York, 1764-8101, Stony Brook, NY, USA

    Walter G. Sannita & Simone Carozzo

  5. Interdisciplinary Center for Biomedical Research (CIR), Laboratory of Biomaterials, Università “Campus Bio-Medico”, via E. Longoni 83, 00155, Rome, Italy

    Marcella Trombetta

Authors
  1. Paola Romagnoli
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  2. Maria Luisa Di Vona
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  3. Enrico Traversa
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  4. Livio Narici
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  5. Walter G. Sannita
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  6. Simone Carozzo
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  7. Marcella Trombetta
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  8. Silvia Licoccia
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Correspondence to Paola Romagnoli.

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Romagnoli, P., Vona, M.L.D., Traversa, E. et al. Development of new ceramic doped ionoconducting membranes for biomedical applications.. MRS Online Proceedings Library 756, 61 (2002). https://doi.org/10.1557/PROC-756-EE6.1

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