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  • 1
    Electronic Resource
    Electronic Resource
    Biological activities caused by far-infrared radiation (1989)
    Springer
    International journal of biometeorology 33 (1989), S. 145-150 
    Details
    ISSN: 1432-1254
    Keywords: Far-infrared radiation ; Growth ; Health ; Skin blood flow ; Sleep
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geography , Physics
    Notes: Abstract Contrary to previous presumption, accumulated evidence indicates that far-infrared rays are biologically active. A small ceramic disk that emist far-infrared rays (4–16 μm) has commonly been applied to a local spot or a whole part of the body for exposure. Pioneering attempts to experimentally analyze an effect of acute and chronic radiation of far-infrared rays on living organisms have detected a growth-promoting effect in growing rats, a sleep-modulatory effect in freely behaving rats and an insomiac patient, and a blood circulation-enhancing effect in human skin. Question-paires to 542 users of far-infrared radiator disks embedded in bedelothes revealed that the majority of the users subjectively evaluated an improvement of their health. These effects on living organisms appear to be non-specifically triggered by an exposure to far-infrared rays, which eventually induce an increase in temperature of the body tissues or, more basically, an elevated motility of body fluids due to decrease in size of water clusters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01084598
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    The phosphorylated analogue of DSIP enhances slow wave sleep and paradoxical sleep in unrestrained rats (1989)
    Springer
    Psychopharmacology 97 (1989), S. 35-39 
    Details
    ISSN: 1432-2072
    Keywords: Delta-sleep-inducing peptide (DSIP) ; Paradoxical sleep (PS) ; Phosphorylated analogue of DSIP ; Rat ; Sleep substance ; Slow wave sleep (SWS)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Continued 10-h nocturnal intracerebroventricular infusion of 0.5 nmol P-DSIP, the phosphorylated analogue of delta-sleep-inducing peptide (DSIP), significantly increased slow wave sleep (22%) and paradoxical sleep (81%) in unrestrained rats. The increase in the amount of sleep was largely due to an increase in the number of sleep episodes. Larger and smaller doses were ineffective in doses ranging from 0.025 to 25 nmol. The sleep-promoting potency of P-DSIP was 5 times greater than that of DSIP compared by the same assay.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00443409
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    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Panax ginseng extract modulates sleep in unrestrained rats (1990)
    Springer
    Psychopharmacology 101 (1990), S. 486-488 
    Details
    ISSN: 1432-2072
    Keywords: Circadian rhythm ; Ginseng extract ; Panax ginseng ; Rat ; Slow wave sleep (SWS)
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The amount of wakefulness and slow wave sleep (SWS) during the 12-h light period slightly but significantly decreased and increased, respectively, in freely behaving rats after continued 1-week intake of Panax ginseng extract through drinking water (15 mg/day). Paradoxical sleep was little affected. No sleep parameters were modulated by the treatment during the dark period. The diurnal SWS enhancement disappeared and recovered to the baseline level after 2 weeks of continued treatment. It is speculated that the well known health-improving effect of the ginseng may be, at least in part, related to an enhancement of sleep.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02244226
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Hypothalamic potentials evoked by electrical stimulation of the vaginal cervix in the estrous guinea-pig (1969)
    Springer
    Biological cybernetics 5 (1969), S. 171-173 
    Details
    ISSN: 1432-0770
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Computer Science , Physics
    Notes: Summary Evoked potentials were recorded from the hypothalamus of acutely-prepared estrous guinea-pigs responding to electrical stimulation of the vaginal cervix. The latency ranged from 38 to 60 msec. The peak of the first positive wave appeared 50 to 90 msec after the stimulation, usually followed by a negative wave in 120 msec. These responses were obtained from the mid-hypothalamus. The cervical stimulation subsequently induced the release of hypophysial luteotropin (LTH) as indicated by the occurrence of pseudopregnancy. According to the results, the mechanism triggering hypothalamic potential changes was discussed in connection with the LTH secretion.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00288939
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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