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  • Artikel: DFG Deutsche Nationallizenzen  (22)
  • 1990-1994  (7)
  • 1975-1979  (14)
  • 1960-1964  (1)
Datenquelle
  • Artikel: DFG Deutsche Nationallizenzen  (22)
Materialart
Erscheinungszeitraum
Jahr
Schlagwörter
  • 11
    Digitale Medien
    Digitale Medien
    Formation of lipoperoxide in isolated sciatic nerve by chinoform-ferric chelate (1976)
    Springer
    Cellular and molecular life sciences 32 (1976), S. 905-906 
    Details
    ISSN: 1420-9071
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary Effects of chinoform and chinoform-ferric chelate on formation of lipoperoxide in isolated sciatic nerve were investigated. Free chinoform did not increase the lipoperoxide level, while chinoform-ferric chelate significantly increased it. Assuming that the lipoperoxide formed denatures the associated protein in the nerve, the effect of chinoform-ferric chelate could explain, at least partly, the demyelination of nerve tissues caused by massive doses of chinoform.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02003759
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  • 12
    Digitale Medien
    Digitale Medien
    Occurrence of 5-hydroxytryptamine in chick retina (1977)
    Springer
    Cellular and molecular life sciences 33 (1977), S. 927-928 
    Details
    ISSN: 1420-9071
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary 5-Hydroxytryptamine (5-HT) was found in chick retina. 5-HT level in chick retina was increased by the administration of pargyline and decreased by reserpine, but remained unchanged with tryptophan.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01951286
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  • 13
    Digitale Medien
    Digitale Medien
    Lipoperoxide formation in the retina in ocular siderosis (1976)
    Springer
    Cellular and molecular life sciences 32 (1976), S. 1324-1325 
    Details
    ISSN: 1420-9071
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary Insertion of iron nail into the vitreous cavity provoked the formation of lipoperoxide in the retina. In accord with the increase in lipoperoxide in the retina, ERG began to decrease. In vitro experiment using isolated retina, lipoperoxide was found to be increased in the presence of ferric or ferrous ions, while it was inhibited by adding antioxidants or ethylenediamine tetraacetate. From these results, direct cause of retinal degeneration in siderosis could be ascribed to the formation of lipoperoxide by iron-ions liberated from the piece of iron, resulting into the degeneration of the visual cell layers of the retina.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01953119
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  • 14
    Digitale Medien
    Digitale Medien
    Disorders produced during high-current and high-dose phosphorus ion implantation in silicon (1979)
    Springer
    Applied physics 20 (1979), S. 225-229 
    Details
    ISSN: 1432-0630
    Schlagwort(e): 61.70 ; 61.80
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Notizen: Abstract Transmission electron microscopy, optical reflection and channeling effect measurements are employed to investigate disorders in 30 keV, high dose (3×1016ions/cm2) and high current (≦5 mA) phosphorus as-implanted silicon with (111), (100), and (110) orientation as a function of temperature rise (100–850°C) by the beam heating effect during implantation. Temperature rise below 400°C results in continuous amorrphous layer formation. This contrasts with results of the recovery into single crystals for temperature rise samples above 500°C, regardless of wafer orientation. Secondary defects (black-dotted defects, dislocation loops and rodlike defects) are formed in singlecrystal recovery samples, having a deeper distribution in (110) wafers and a shallower distribution in (111) and (100) wafers. Rodlike defects observed in 850°C samples are of “vacancy” type and have the largest density in (110) wafers.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00886022
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  • 15
    Digitale Medien
    Digitale Medien
    Effect of albumin on uncoupling of oxidative phosphorylation by chinoform in rat liver mitochondria (1975)
    Springer
    Cellular and molecular life sciences 31 (1975), S. 1069-1070 
    Details
    ISSN: 1420-9071
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary Addition of serum albumin diminished the uncoupling effect of chinoform on oxidative phosphorylation in rat liver mitochondria. Upon increasing the concentration of magnesium ions in the medium, the action of serum albumin was diminished. These results indicate that serum albumin combines with chinoform in competition with magnesium ions.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF02326965
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  • 16
    Digitale Medien
    Digitale Medien
    Formation of lipoperoxide in the retina of rabbit exposed to high concentration of oxygen (1976)
    Springer
    Cellular and molecular life sciences 32 (1976), S. 622-623 
    Details
    ISSN: 1420-9071
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary When rabbit was exposed to high concentration of oxygen, lipoperoxide in the retina was increased at 12 h of the exposure, after which period amplitude of electro-retinogram decreased. The degeneration was observed in the visual cell layer of the retina of the exposed animal. The exposure increased lipoperoxide in isolated retina. These data show the intervention of lipoperoxide in retinal degeneration induced by exposure to high concentration of oxygen.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01990199
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  • 17
    Digitale Medien
    Digitale Medien
    Effect ofβ-phenylethylamine on intraocular pressure (1979)
    Springer
    Cellular and molecular life sciences 35 (1979), S. 641-641 
    Details
    ISSN: 1420-9071
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Medizin
    Notizen: Summary Upon injection of β-phenylethylamine (PEA) into the subconjunctival space of rabbit, intraocular pressure increased. This effect went parallel with the amount of PEA transferred into the anterior chamber, which indicates that intraocular pressure was elevated by direct action of PEA.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01960371
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  • 18
    Digitale Medien
    Digitale Medien
    Differential effects of naloxone on neuroendocrine responses to fear-related emotional stress (1990)
    Springer
    Experimental brain research 81 (1990), S. 53-58 
    Details
    ISSN: 1432-1106
    Schlagwort(e): Vasopressin ; Oxytocin ; Adrenocorticotrophic hormone ; Emotional stress ; Opioid ; Prolactin ; Rat
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary The effects of an opioid receptor antagonist, naloxone (NAL), were studied on the changes in pituitary hormone secretion induced by emotional stress. Male Wistar rats were trained with tone stimuli paired with electric footshocks and tested with the tone and environmental cue signals for emotional stress of fear acquired by learning as described previously (Onaka et al. 1988). Rats received s.c. injected NAL 30 min before testing at doses of 0, 0.2, 1.0, 5.0 and 25.0 mg/kg b.w. Half the rats were injected with 0.5 M NaCl (20 ml/kg b.w.) together with NAL. In these hypertonic rats plasma vasopressin level was slightly increased after NAL. The increment was statistically significant in control groups but not in experimental groups. However the suppression of vasopressin secretion by emotional stimuli was not changed by NAL. Plasma oxytocin levels were extremely high and not significantly different among experimental, unshocked control and untested control groups. NAL further increased the oxytocin level dose-dependently. NAL did not significantly change plasma adrenocorticotrophic hormone (ACTH) levels and hence did not modify the augmentative response in ACTH secretion to emotional stimuli. Plasma prolactin level was significantly elevated after emotional stimuli and NAL depressed the prolactin level in each of experimental and control groups. After NAL, the magnitude of the facilitatory response in prolactin secretion to emotional stimuli was decreased. Motor activity and its suppressive response to emotional stimuli were not influenced by NAL. In another half of rats under a normal osmotic condition the vasopressin response to emotional stimuli was not affected by NAL. NAL further augmented potentiation of oxytocin secretion after emotional stimuli dose-dependently. Effects of NAL on ACTH level, prolactin level and motor activity were similar to those in rats under hypertonic conditions. These results demonstrate that endogenous opioids are selectively and differentially involved in hypothalamo-hypophysial responses to fear-related emotional stress.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00230100
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  • 19
    Digitale Medien
    Digitale Medien
    Distribution of glycosylglycerols and oligosaccharides in the marine environment and their ecological significance in the deep sea (1990)
    Springer
    Marine biology 106 (1990), S. 309-313 
    Details
    ISSN: 1432-1793
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Notizen: Abstract Determination of low molecular weight carbohydrates in marine environments indicated that 1-O-β-D-galactosylglycerol, 6-O-α-D-galactosyl-1-O-β-D-galacto-sylglycerol, sucrose, laminaribiose and laminaritriose are widely distributed in seawaters, suspended and sinking particles, and sediments in coastal as well as in deep-sea waters [e.g. Mikawa Bay and Sagami Bay, Kumano Nada (offshore Japan), and northwest North Pacific Ocean, Bering Sea and Antarctic Ocean: collections during 1978–1984]. Identification of these glycosylglycerols and oligosaccharides in algal cells such as a flagellate (Olisthodisus luteus), blue-green algae (e.g.Trichodesmium sp.) and a diatom (Reptocylindrus denicus) strongly suggests that these sugars are photosynthetically produced by algae in the euphotic zone and are then rapidly transported to the deep sea as sinking particles which can be collected by sediment-trap experiments. The rapid decay rate of low molecular weight carbohydrates by microorganisms suggests that the transported sugars provide energy substrates for microorganisms living in the deep sea.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01314815
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  • 20
    Digitale Medien
    Digitale Medien
    S15.11 Lipid peroxide level of cultured endothelial cells of artery is increased by glycated protein and an iron chelate (1993)
    Springer
    Glycoconjugate journal 10 (1993), S. 315-315 
    Details
    ISSN: 1573-4986
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01210097
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