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  • 1
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    Sleep and Chronobiology in Plasticity and Memory (2021)
    Frontiers Media SA
    Details
    Publication Date: 2024-04-05
    Description: Chronobiological mechanisms regulating time-of-day mediated behaviors, such as sleep and circadian rhythms, are thought to interact with and/or share cellular and molecular signaling cascades that shape synaptic plasticity and neural excitability. These same factors are also known to underlie events that govern higher-order cognitive processing, including learning and memory formation, and often through phylogenetically conserved pathways. This suggests that factors which contribute to adaptive responses to changing environmental stimuli are likely derived from basic evolutionarily ancient processes, and underscores the importance of using both invertebrate and vertebrate models to study the interaction of chronobiology and cognitive processing. This issue highlights current views along with original research on sleep and circadian features of plasticity and memory in multiple species, models, and systems.
    Keywords: RC321-571 ; Q1-390 ; Learning ; Sleep ; Memory ; plasticity ; synapse ; circadian rhythms ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences::PSA Life sciences: general issues::PSAN Neurosciences
    Language: English
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    E-BOOK
  • 2
    Electronic Resource
    Electronic Resource
    Degree of hydration and lateral diffusion in phospholipid multibilayers (1981)
    s.l. : American Chemical Society
    Biochemistry 20 (1981), S. 3134-3138 
    Details
    ISSN: 1520-4995
    Source: ACS Legacy Archives
    Topics: Biology , Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/bi00514a023
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Gases released by surface flashover of insulators (1988)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 63 (1988), S. 668-673 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The gases released by surface flashovers on alumina ceramics, glass, and quartz, using 20-μs voltage pulses, were investigated using an ion-pumped metal vacuum system. Appreciable quantities of gas were measured (approximately 10−6 Torr liter or 1013 molecules). The composition of this gas differed significantly from the background gas. The dominant species in the surface flashover gases were CO2, CO, and H2; a modest amount of CH4 was observed, along with lesser quantities of N2 and H2O. The dominant gas in the system background was nitrogen, accompanied by (in decreasing amounts) H2, H2O, CO/CO2, Ar, CH4, and He. We concluded that the gas released by flashovers on the surface of the insulators was not adsorbed system background gas, but was gas adsorbed during the handling and processing of the insulator.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.340055
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  • 4
    Electronic Resource
    Electronic Resource
    A Synthesis of Two Methods of Estimating Regional Sector Multipliers (1978)
    Oxford, UK : Blackwell Publishing Ltd
    Growth and change 9 (1978), S. 0 
    Details
    ISSN: 1468-2257
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Geography , Economics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1468-2257.1978.tb00364.x
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  • 5
    Electronic Resource
    Electronic Resource
    Amorphous phenoxy thermoplastics with an extraordinary barrier to oxygen (1995)
    s.l. : American Chemical Society
    Macromolecules 28 (1995), S. 6694-6696 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00123a045
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  • 6
    Electronic Resource
    Electronic Resource
    Sleep and Circadian Rhythms in Mammalian Torpor (2004)
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Physiology 66 (2004), S. 275-289 
    Details
    ISSN: 0066-4278
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Medicine , Biology
    Notes: Sleep and circadian rhythms are the primary determinants of arousal state, and torpor is the most extreme state change that occurs in mammals. The view that torpor is an evolutionary extension of sleep is supported by electrophysiological studies. However, comparisons of factors that influence the expression of sleep and torpor uncover significant differences. Deep sleep immediately following torpor suggests that torpor is functionally a period of sleep deprivation. Recent studies that employ post-torpor sleep deprivation, however, show that the post-torpor intense sleep is not homeostatically regulated, but might be a reflection of synaptic loss and replacement. The circadian system regulates sleep expression in euthermic mammals in such a way that would appear to preclude multiday bouts of torpor. Indeed, the circadian system is robust in animals that show shallow torpor, but its activity in hibernators is at least damped if not absent. There is good evidence from some species, however, that the circadian system plays important roles in the timing of bouts of torpor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1146/annurev.physiol.66.032102.115313
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  • 7
    Electronic Resource
    Electronic Resource
    Cathode ions from microsecond aluminum vacuum arcs (1989)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 66 (1989), S. 1107-1112 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A triggered vacuum gap with a 1.25-mm-diam aluminum cathode, a nickel mesh anode, and a separate two-terminal gold trigger, were used to generate vacuum arcs of 60–90 A, 6–40 μs in duration. A retarding potential analyzer was used to investigate the cathode ion flux. A typical ion signal showed an initial peak about 10–20 μs after arc initiation, followed by a rapid decay, then the signal leveled off at about 30–35 μs to a fairly constant signal (plateau), which persisted until a few microseconds after the arc current was cut off; finally the ion signal decayed to zero. The initial peak was primarily composed of ions produced during the initial stage of the vacuum arc. The plateau represented ions produced after the arc settled down to a reasonably steady state. Conclusions were as follows: (1) The cathode ions produced during the initiation stage of such vacuum arcs are more energetic than those produced after the arc has settled down to a steady state, and (2) after this steady state has been reached, the cathode ion flux still appears somewhat more energetic than the cathode ion flux from dc vacuum arcs, although this may be because of the higher arc voltage caused by the relatively small ratio of electrode diameter to gap length in these experiments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.343449
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  • 8
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    Interregional Production and Water Resource Dependencies Among the Western States (1969)
    Oxford : Periodicals Archive Online (PAO)
    Economic Inquiry. 7:1 (1969:Mar.) 27 
    Details
    ISSN: 0095-2583
    Topics: Economics
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:b097-1969-007-01-000003
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  • 9
    Electronic Resource
    Electronic Resource
    User interfaces for structural engineering relational data base (1988)
    Springer
    Engineering with computers 4 (1988), S. 239-249 
    Details
    ISSN: 1435-5663
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Technology
    Notes: Abstract The needs of engineers in their interaction with engineering data bases are very different from those of their counter-parts in the business world. Business data base management system interfaces typically provide only a single mode of textual communication, usually a structured query language. However, in an idealengineering data base interface, an engineer would be able to define constraints, give examples, point at parts of pictures, and (sometimes) use several modes of communication simultaneously. The paper presents an example from an engineering design application to show how a traditional query language can be enhanced to accommodate the engineering needs. The paper further describes a conceptual approach for multimodal engineering data base interface combining multipurpose graphics, an engineering query language, and other interface methodologies in an engineering workstation environment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01213985
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  • 10
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    THE CHEROKEE OIL AND GAS CO., 1889-1902: INDIAN SOVEREIGNTY AND ECONOMIC CHANGE (1972)
    Boston : Periodicals Archive Online (PAO)
    Business History Review. 46:1 (1972:Spring) 45 
    Details
    ISSN: 0007-6805
    Topics: History , Economics
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:3071-1972-046-01-000003
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