Search Results - "Biagi, P.F."

Optical and photoelectronic properties of melanin by Capozzi, V., Perna, G., Carmone, P., Gallone, A., Lastella, M., Mezzenga, E., Quartucci, G., Ambrico, M., Augelli, V., Biagi, P.F., Ligonzo, T., Minafra, A., Schiavulli, L., Pallara, M., Cicero, R.

“…A study of the structural, optical and electrical properties of synthetic and natural melanin by means of X-ray diffraction, absorption and photocurrent…”
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Raman and optical spectroscopy of eumelanin films by Capozzi, V., Perna, G., Gallone, A., Biagi, P.F., Carmone, P., Fratello, A., Guida, G., Zanna, P., Cicero, R.

“…Melanin obtained from the liver of Rana esculenta L., was isolated from melanosomes and deposited as thin film on quartz substrate, in order to perform Raman,…”
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Sensitivity of LF signal to global ionosphere and atmosphere perturbations in the network of stations by Rozhnoi, A.A., Solovieva, M.S., Molchanov, O.A., Hayakawa, M., Maekawa, S., Biagi, P.F.

“…Variations of the LF signal from observations in 6 receiving stations during 2000–2004 are analyzed. Five stations are located in Japan (Kochi, Moshiri,…”
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Reception conditions of low frequency (LF) transmitter signals onboard DEMETER micro-satellite by Boudjada, M.Y., Biagi, P.F., Al-Haddad, E., Galopeau, P.H.M., Besser, B., Wolbang, D., Prattes, G., Eichelberger, H., Stangl, G., Parrot, M., Schwingenschuh, K.

“…We analyse the flux density variation associated to low frequency (LF) broadcasting transmitters observed by the ICE electric field experiment onboard DEMETER…”
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Analysis of observations backing up the existence of VLF and ionospheric TEC anomalies before the Mw6.1 earthquake in Greece, January 26, 2014 by Sanchez-Dulcet, F., Rodríguez-Bouza, M., Silva, H.G., Herraiz, M., Bezzeghoud, M., Biagi, P.F.

“…•VLF anomalies are found before the January 2014 Greece earthquake with a 4-day period.•Clear TEC disturbances are observed the day before the earthquake.•The…”
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Electrical and optical properties of natural and synthetic melanin biopolymer by Ligonzo, T., Ambrico, M., Augelli, V., Perna, G., Schiavulli, L., Tamma, M.A., Biagi, P.F., Minafra, A., Capozzi, V.

“…Natural and synthetic melanin have been investigated by means of optical, electrical and photoelectronic measurements. Optical measurements evidence absorption…”
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Fluorescence spectroscopy of synthetic melanin in solution by Perna, G., Frassanito, M.C., Palazzo, G., Gallone, A., Mallardi, A., Biagi, P.F., Capozzi, V.

“…We report a detailed investigation of fluorescence properties of synthetic eumelanin pigment in solution. A complete set of fluorescence spectra in the near-UV…”
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Temperature variations related to earthquakes from simultaneous observation at the ground stations and by satellites in Kamchatka area by Tronin, A.A., Biagi, P.F., Molchanov, O.A., Khatkevich, Y.M., Gordeev, E.I.

“…Air temperature, surface temperature, retrieved from satellite data, and well observations on the Kamchatka peninsula, Far East, Russia were jointly analysed…”
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Anomalies in VLF radio signals related to the seismicity during November–December 2004: A comparison of ground and satellite results by Biagi, P.F., Castellana, L., Maggipinto, T., Maggipinto, G., Minafra, A., Ermini, A., Molchanov, O., Rozhnoi, A., Solovieva, M., Hayakawa, M.

“…A previous study of the intensity of VLF signals radiated by two ground transmitters located in Germany ( f = 16.6 kHz) and France ( f = 18.3 kHz) and received…”
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Statistical correlation of spectral broadening in VLF transmitter signal and low-frequency ionospheric turbulence from observation on DEMETER satellite by Rozhnoi, A., Solovieva, M., Molchanov, O., Akentieva, O., Berthelier, J. J., Parrot, M., Biagi, P. F., Hayakawa, M.

“…In our earlier papers we have found the effect of VLF transmitter signal depression over epicenters of the large earthquakes from observation on the French…”
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Structural and optical properties of pulsed laser-deposited ZnSe films by Perna, G., Capozzi, V., Plantamura, M.C., Minafra, A., Biagi, P.F., Orlando, S., Marotta, V., Giardini, A.

“…Deposition of thin films of ZnSe has been performed by means of pulsed laser deposition (PLD) technique, by varying the pulsed laser fluence. X-ray diffraction…”
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LF radio anomalies revealed in Italy by the wavelet analysis: Possible preseismic effects during 1997–1998 by Biagi, P.F., Castellana, L., Maggipinto, T., Piccolo, R., Minafra, A., Ermini, A., Martellucci, S., Bellecci, C., Perna, G., Capozzi, V., Molchanov, O.A., Hayakawa, M.

“…Since 1996, the electric field strength of the broadcasting station CZE (Czech Republic, f = 270 kHz) has been sampled each ten minutes, by a receiver (AS)…”
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Preseismic anomaly of LF signal on the wave path Japan–Kamchatka during November–December 2004 by Rozhnoi, A.A., Solovieva, M.S., Molchanov, O.A., Chebrov, V., Voropaev, V., Hayakawa, M., Maekawa, S., Biagi, P.F.

“…The variations of phase and amplitude of LF signal propagating from the transmitter JJY (40 kHz, Fukushima prefecture, Japan) are analyzed. The receiver is…”
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Structural and optical properties of ZnSe films deposited on crystalline Al2O3 substrate by laser ablation technique by Perna, G, Capozzi, V, Plantamura, M.C, Minafra, A, Biagi, P.F, Pallara, M, Orlando, S, Marotta, V, Giardini, A

“…ZnSe films have been deposited by pulsed laser ablation technique on Al2O3(0001)-oriented substrates at different temperatures and pulsed laser fluence. The…”
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Structural and optical properties of ZnSe films deposited on crystalline Al 2O 3 substrate by laser ablation technique by Perna, G, Capozzi, V, Plantamura, M.C, Minafra, A, Biagi, P.F, Pallara, M, Orlando, S, Marotta, V, Giardini, A

“…ZnSe films have been deposited by pulsed laser ablation technique on Al 2O 3(0 0 0 1)-oriented substrates at different temperatures and pulsed laser fluence…”
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On ionospheric precursors of earthquakes in scales of 2–3 h by Popov, K.V., Liperovsky, V.A., Meister, C.-V., Biagi, P.F., Liperovskaya, E.V., Silina, A.S.

“…The probability of 2–3 h variation in electron concentration at different regions of ionosphere 1–3 days before earthquakes at distances R<500 km from vertical…”
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Variations in a LF radio signal on the occasion of the recent seismic and volcanic activity in Southern Italy by Biagi, P.F., Piccolo, R., Castellana, L., Ermini, A., Martellucci, S., Bellecci, C., Capozzi, V., Perna, G., Molchanov, O., Hayakawa, M.

“…Low Frequency (LF) radio signals lie in the band 30–300 kHz. The electric field of three LF broadcasting stations––CLT ( f=189 kHz, Sicily, Italy), MCO ( f=216…”
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Field strength variations of LF radio waves prior to earthquakes in central Italy by Bella, F, Biagi, P.F, Caputo, M, Cozzi, E, Della Monica, G, Ermini, A, Plastino, W, Sgrigna, V

“…The electric field strength of the LF radio broadcasting RMC (Principality of Monaco) which operates at 216 kHz has been recorded since January 1991 by two…”
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Hydrogeochemical precursors of strong earthquakes: a realistic possibility in Kamchatka by Kingsley, S P, Biagi, P F, Piccolo, R, Capozzi, V, Ermini, A, Khatkevich, Y M, Gordeev, E I

“…The Kamchatka peninsula, located in the far East of Russia, is characterised by frequent and strong seismic activity (magnitudes up to 8.6). For many years,…”
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Disturbances in LF radio signals and the Umbria-Marche (Italy) seismic sequence in 1997–1998 by Biagi, P.F., Ermini, A., Kingsley, S.P.

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