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  • 25.70.Lm  (2)
  • Poliomyelitis  (2)
  • IBM PC  (1)
  • Muscle contraction, nerve conduction, synaptic transition memorization and other neurophysiological processes (excluding perception processes and speech)  (1)
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Material
Years
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Activity inAplysia buccal ganglia characterized by signal processing techniques (1995)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 17 (1995), S. 765-773 
    Details
    ISSN: 0392-6737
    Keywords: Muscle contraction, nerve conduction, synaptic transition memorization and other neurophysiological processes (excluding perception processes and speech) ; Biophysical instrumentation and techniques ; Conference proceedings
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary Two procedures aimed at a synthetic, quantitative characterization of the integrative activity in a small system of nerve cells are proposed, and applications to the buccal ganglion of the molluskAplysia are described. Both methods are based on cross-correlation evaluation. The first method processes intracellular signals simultaneously recorded from pairs of neurones, and reveals and measures the occurrence of shared synaptic input. The second method processes extracellular multiunit signals recorded by two cuff electrodes placed around one nerve, and evaluates the impulse traffic, subdivided according to direction and speed of propagation. The outcome of both methods may be used to represent the state of the system, and may provide a basis to further studies on its dynamics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02451833
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Surveillance of acute flaccid paralysis in Italy: 1996–1997 (1999)
    Springer
    European journal of epidemiology 15 (1999), S. 757-763 
    Details
    ISSN: 1573-7284
    Keywords: Acute flaccid paralysis ; Poliomyelitis ; Surveillance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The last case of poliomyelitis due to transmission of indigenous wild poliovirus occurred in Italy in 1982. To achieve the certification of the eradication of poliomyelitis in Italy, an active surveillance of acute flaccid paralysis (AFP) in the population aged less than 15 years was set up following the World Health Organization (WHO) guidelines. The survey started in 1996 with a pilot study involving 4 out of 21 regions, and was gradually extended to a national level in 1997. The two-year survey identified five patients with diagnosis of vaccine associated paralytic poliomyelitis (VAPP). Polioviruses type 2 and 3 Sabin-like were isolated and characterized in three of them. In the remaining two cases, samples were collected late after the onset of symptoms, and poliovirus could not be isolated. No wild polioviruses were detected during the survey. The rate of non-polio AFP found in Italy in 1997 was 0.61 cases per 100,000, which is lower than the level of 1.0 case per 100,000 considered as acceptable by the WHO. This was mainly due to the delay in organizing the hospital network and starting the active search of AFP cases in the largest and most densely populated regions. Therefore, the overall rate of AFP found in Italy underestimates the global effectiveness of the program, which however will be better evaluated in the next few years. This study is the first systematic attempt to determine the rate of AFP in Italy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1007697421114
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Paralytic poliomyelitis in Italy (1981–85) (1987)
    Springer
    European journal of epidemiology 3 (1987), S. 54-60 
    Details
    ISSN: 1573-7284
    Keywords: Poliomyelitis ; Poliomyelitis-like syndrome
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Fifteen cases of presumptive poliomyelitis occurring in Italy between 1981–85 were studied in order to differentiate between paralysis caused by poliovirus and that of different etiology. Out of seven confirmed cases three were ≪ temporally associated with vaccination ≫. Three aspects are discussed: i) the need for a careful differential diagnosis of paralytic cases; ii) the overconcern about the problem of vaccine-associated cases: iii) the risk connected with re-importation of wild poliovirus strains.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00145073
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Time-domain cross-correlation assembly language routine for the IBM PC and an application in neural signal analysis (1988)
    Springer
    Medical & biological engineering & computing 26 (1988), S. 454-456 
    Details
    ISSN: 1741-0444
    Keywords: Assembly language program ; Cross-correlation ; IBM PC ; Neural signal analysis ; Signal analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02442311
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Discrete γ-rays in the reactions of 143 MeV32S with58Ni (1986)
    Springer
    The European physical journal 324 (1986), S. 161-171 
    Details
    ISSN: 1434-601X
    Keywords: 25.70.Lm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The reactions induced by 143 MeV32S on58Ni have been studied detecting discrete γ-rays in coincidence with projectile-like fragments (PLF). Information on PLF excitation probability and sequential decay of target-like fragments (TLF) has been obtained. For the28Si+62Zn outgoing channel at small energy loss (¦Q¦〈20 MeV), both PLF and TLF data indicate that thermal equilibrium is not attained. The hypothesis of an equal excitation energy partition between the two reaction fragments does not describe properly experimental TLF data. A dependence of PLF excitation probability on the outgoing channel is found for the two final channels32S+58Ni and28Si+62Zn. The values of the spin alignment parameterP zz, derived for PLF and TLF from measurements ofγ-rays anisotropy, are in disagreement with the expectations of the transport theory for dissipative collisions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01325128
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  • 6
    Electronic Resource
    Electronic Resource
    Projectile-like fragments excitation and gamma-rays emission after the deep inelastic reaction of32S on58Ni (1987)
    Springer
    The European physical journal 328 (1987), S. 227-232 
    Details
    ISSN: 1434-601X
    Keywords: 25.70.Lm
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The deep-inelastic reaction induced by 143 MeV32S on58Ni have been studied detecting projectile-like fragments (PLF) in coincidence withγ-rays in NaI(TI) scintillators. γ-ray multiplicity and anisotropy have been derived for Zplf=14, 15 as a function of energy loss and/or γ-energy. The information obtained are compared with a discrete γ-line study of the same reaction. The effect of the exit channel selection (ejectileZ, energy loss,E γ) on the γ-observables is discussed in connection with the evidence of a strong PLF γ-emission.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01290665
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    Paper (German National Licenses)
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