Search Results - "Petracchi, D."

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    Color-specific Conditioning Effects Due to Both Orange and Blue Stimuli Are Observed in a Halobacterium salinarum Strain Devoid of Putative Methylatable Sites on HtrI by Lucia, S., Cercignani, G., Frediani, A., Petracchi, D.

    Published in Photochemistry and photobiology (01-01-2003)
    “…Behavioral responses of Halobacterium salinarum appear as changes in the frequency of motion reversals. Turning on orange light decreases the reversal…”
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    Journal Article
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    Periodic forcing of a K+ channel at various temperatures by Petracchi, D., Pellegrini, M., Pellegrino, M., Barbi, M., Moss, F.

    Published in Biophysical journal (01-06-1994)
    “…The random sequence of openings and closings of single ion channels and the channel conductances have been the object of intense study over the past two…”
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    Photoresponses of Halobacterium salinarum to Repetitive Pulse Stimuli by Cercignani, G., Lucia, S., Petracchi, D.

    Published in Biophysical journal (01-09-1998)
    “…Halobacterium salinarum cells from 3-day-old cultures have been stimulated with different patterns of repetitive pulse stimuli. A short train of 0.6-s orange…”
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    Effects of sequential stimuli on Halobacterium salinarium photobehavior by Lucia, S., Ferraro, M., Cercignani, G., Petracchi, D.

    Published in Biophysical journal (01-09-1996)
    “…We analyzed the motor photoresponses of Halobacterium salinarium to different test stimuli applied after a first photophobic response produced by a step-down…”
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    Photoreceptor sensitivity and the shot noise of chemical processes by Petracchi, D., Cercignani, G., Lucia, S.

    Published in Biophysical journal (1996)
    “…The general modeling of dose-response curves to very low stimuli in a photosensory-effector system is critically reshaped starting from basic assumptions on…”
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    What is the role of stochastic resonance? by Petracchi, Donatella

    Published in Chaos, solitons and fractals (01-09-2000)
    “…The role of stochastic resonance (SR) in the detection of signals is discussed. It is shown that when a signal is not detectable using traditional methods,…”
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    Motor responses of Halobacterium halobrium to sinusodial light stimuli by Lucia, S, Ascoli, C, Petracchi, D, Vanni, L

    Published in Bioscience reports (01-08-1989)
    “…Sinusoidal light stimuli have been used to elicit photoresponses in Halobacterium halobium at various periods of the stimulus. Cycle histograms and histograms…”
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    Effects of current pulses on the sustained discharge of visual cells of Limulus by Angelini, F., Chillemi, S., Frediani, C., Petracchi, D.

    Published in Biophysical journal (01-06-1984)
    “…Current pulses were used in the eccentric and retinular cells of the Limulus lateral eye to produce changes in the interspike interval of the discharge…”
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    Phase-locked responses in the Limulus lateral eye. Theoretical and experimental investigation by Ascoli, C., Barbi, M., Chillemi, S., Petracchi, D.

    Published in Biophysical journal (01-09-1977)
    “…The 1:1 phase locking of the neural discharge to sinusoidally modulated stimuli was investigated both theoretically and experimentally. On the theoretical…”
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    Effects of electromagnetic fields on the motion of Euglena gracilis by Ascoli, C., Barbi, M., Frediani, C., Petracchi, D.

    Published in Biophysical journal (01-12-1978)
    “…The orientation behavior of Euglena gracilis cultures in electromagnetic fields is shown to agree with the predictions of a model involving only a passive…”
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    Resonant response of a neural model and of Limulus ommatidia to double frequency stimulation by Angelini, F, Barbi, M, Chillemi, S, Petracchi, D

    Published in Biological cybernetics (01-01-1980)
    “…Signals which are the sum of two sinusoids of frequencies v1 and v2 are used to stimulate: i) an electronic analog of the leaky integrator neural model, ii)…”
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