Search Results - "Popkirov, S."

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  1. 1

    Syndrome and outcome of antibody‐negative limbic encephalitis by Graus, F., Escudero, D., Oleaga, L., Bruna, J., Villarejo‐Galende, A., Ballabriga, J., Barceló, M. I., Gilo, F., Popkirov, S., Stourac, P., Dalmau, J.

    Published in European journal of neurology (01-08-2018)
    “…Background and purpose The aim was to report the clinical characteristics of 12 patients with limbic encephalitis (LE) who were antibody‐negative after a…”
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    Journal Article
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    Abnormal sleep in patients with epileptic or dissociative (non‐epileptic) seizures: a polysomnography study by Popkirov, S., Stone, J., Derry, C. P.

    Published in European journal of neurology (01-02-2019)
    “…Background and purpose The aim of this study was to identify the prevalence of sleep disorders and measure the objective sleep quality in patients with seizure…”
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    Involvement of the metabotropic glutamate receptor mGluR5 in NMDA receptor-dependent, learning-facilitated long-term depression in CA1 synapses by Popkirov, Stoyan G, Manahan-Vaughan, Denise

    Published in Cerebral cortex (New York, N.Y. 1991) (01-03-2011)
    “…Learning-facilitated synaptic plasticity describes the ability of hippocampal synapses to respond with persistent synaptic plasticity to the coupling of weak…”
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    Investigation of conducting polymer electrodes by impedance spectroscopy during electropolymerization under galvanostatic conditions by Popkirov, G.S., Barsoukov, E., Schindler, R.N.

    “…Electrochemical impedance spectroscopy was used to investigate the electrochemical polymerization of bithiophene under galvanostatic conditions. The impedance…”
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    Fast time-resolved electrochemical impedance spectroscopy for investigations under nonstationary conditions by Popkirov, G.S.

    Published in Electrochimica acta (01-05-1996)
    “…A new experimental technique for fast electrochemical impedance spectroscopy (EIS), compatible with both the frequency domain and the time domain measurement…”
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    Journal Article Conference Proceeding
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    Determination of flat-band potentials of silicon electrodes in HF by means of ac resistance measurements by Ottow, S., Popkirov, G.S., Föll, H.

    “…A new technique for determination of the flat-band potential, V fb, based on ac resistance measurements is presented. It is shown that impedance measurements,…”
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    Effect of sample nonlinearity on the performance of time domain electrochemical impedance spectroscopy by Popkirov, G.S., Schindler, R.N.

    Published in Electrochimica acta (01-10-1995)
    “…The performance of the time domain method for electrochemical impedance spectroscopy is investigated with respect to amplitude overload of the perturbation…”
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    In situ impedance spectroscopy of silicon electrodes during the first stages of porous silicon formation by Popkirov, G.S., Ottow, S.

    “…Time-resolved in situ electrochemical impedance spectroscopy measurements were performed in HF-electrolyte during the initial stages of nano- and mesoporous…”
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    Electrode potential redistribution during silver oxidation and reduction in alkaline solution by Popkirov, G.S., Burmeister, M., Schindler, R.N.

    “…Unexpected changes of measured cyclic voltammograms were observed upon applying automatic ohmic-drop compensation in the electro-oxidation of silver…”
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    Time evolution of the active silver electrode area after immersion in cyanide containing solutions by Baltrunas, G., Popkirov, G.S., Schindler, R.N.

    “…The effect of CN adsorption and partial surface coverage of silver electrodes in KCN containing electrolytes was investigated by electrochemical impedance…”
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    Electrochemical impedance spectroscopy of twin working electrodes bridged with conducting polymer layer by Popkirov, G.S., Barsoukov, E., Schindler, R.N.

    Published in Electrochimica acta (01-09-1995)
    “…A new technique is described for electrochemical impedance spectroscopic (EIS) investigations in the plane of a polymer layer coating an electrode without…”
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    Redox behaviour of thin films of poly(thienylpyrrole) characterized by in situ measurement of high frequency resistance by Cordruwisch, E., Popkirov, G.S., Türk, E., Theiner, J., Nauer, G.E.

    Published in Electrochimica acta (01-05-1996)
    “…The switching of the resistivity of conducting polymers during oxidation/reduction cycling has been studied by means of high frequency in situ resistance…”
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    Journal Article Conference Proceeding
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    Determination of the electronic conductivity of polybithiophene films at different doping levels using in situ electrochemical impedance measurements by Garcia-Belmonte, Germà, Bisquert, Juan, Popkirov, George S.

    Published in Applied physics letters (15-09-2003)
    “…This letter presents in situ electronic conductivity measurements of polybithiophene films using a twin working electrode in an electrochemical configuration…”
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