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  • 1985-1989  (6)
  • 1980-1984  (6)
  • 1
    Electronic Resource
    Electronic Resource
    Structure - biocompatibility relationship of condensation polymers (1983)
    Hoboken, NJ : Wiley-Blackwell
    Journal of Biomedical Materials Research 17 (1983), S. 905-912 
    Details
    ISSN: 0021-9304
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine , Technology
    Notes: Various condensation polymers including polyamides, polyesters, polyethers, polysulfonamides, polysulfonate, polyphosphonate, polyimide, polyamide-imides, polyester-amides, etc. have been prepared and evaluated for their biocompatibility by a cell culture method. Cell attachment and cell growth are influenced by the chemical structures of the tested polymers. Aliphatic polyamides exhibited considerably different cell growth behavior than aromatic polyamides.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/jbm.820170602
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Establishment of a Long-Term Cultured Suppressor T-Cell Line Specific for Guanosine (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 20 (1984), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Induction of suppressor cells specific for gmmosine in C57BL/6 mice with syngeneic spleen cells coupled with guanosine was demonstrated. Spleen cells from mice that had been tolerized by the injection of guanosine-coupled syngeneic spleen cells (G–SC) were repeatedly stimulated with mitomycin C-treated G-SC (MMC-G-SC) in vitro. These cells effectively suppressed the secondary in vitro response to guanosine–keyhote limpet haemocyanin (G–KLH) but did not suppress the response to sheep erythrocytes (SRBC). From these cell populations a long-term-cultured suppressor T-cell line specific for guanosine was established by using interleukin-2 and MMC-G-SC. This cell line suppressed the response to G-KLH but did not suppress the response to trinitrophenyl–KLH and SRBC. The suppressive effect was completely eliminated by treatment with anti-Thy 1.2 and complement
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3083.1984.tb01037.x
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  • 3
    Electronic Resource
    Electronic Resource
    AGE-RELATED CHANGES IN BLOOD PRESSURE, HEART RATE AND BAROREFLEX SENSITIVITY IN SHR (1989)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental pharmacology and physiology 16 (1989), S. 0 
    Details
    ISSN: 1440-1681
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: 〈list xml:id="l1" style="custom"〉1The age-related changes in mean arterial pressure (MAP), heart rate (HR), and baroreflex sensitivity (BRS) were studied in spontaneously hypertensive rats (SHR) and Wistar-Kyoto (WKY) rats from 4 to 20 weeks of age.2Intra-arterial blood pressure (BP) was continuously recorded for 24 h in conscious, freely moving rats. Twenty-four hour MAP and HR were calculated by an online computer. Baroreflex sensitivity was measured by phenylephrine infusion.3In SHR, BRS was significantly lower than in WKY as early as 4-5 weeks, at which time MAP in SHR was only slightly raised. During subsequent weeks, rapid increase in MAP occurred in SHR, in association with progressive bradycardia.4It was concluded that a reduced BRS may be detected in young prehypertensive SHR and this impairment of BRS may be central in origin.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1440-1681.1989.tb02999.x
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  • 4
    Electronic Resource
    Electronic Resource
    Enrichment of IL-2-Producer T Cells from Mouse Spleen by Use of Bauhiniapurpurea Lectin (1983)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 18 (1983), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Bauhinia purpurea agglutinin (BpA) was used to enrich the interleukin 2 (IL 2)-producing T-cell subset from mouse spleen. IL 2 was found to be produced by the BpA-non-agglutinated (BpA−) T cells of mouse spleen on stimulation with concanavalin A (Con A). The degree of IL 2 production by BpA-agglutinated (BpA+) T cells was significamly low. The prolifcrative response to Con A of BpA− T cells was not influenced by the addition of exogenous IL 2, whereas BpA+T cells were partially dependent on the exogenous addition of IL 2 in the proliferative response.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3083.1983.tb00860.x
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  • 5
    Electronic Resource
    Electronic Resource
    Multiple-output logic element based on an optical interference system (1985)
    Springer
    Optical and quantum electronics 17 (1985), S. 119-123 
    Details
    ISSN: 1572-817X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Electrical Engineering, Measurement and Control Technology , Physics
    Notes: Abstract A multiple-output logic element using an optical interference system is proposed. The system acts as a logic gate array operating in parallel at certain positions divided over one period of the output fringe. A photoinduced refractive-index change material is incorporated in the system to perform the optical transformation of optical inputs into the phase change of a readout beam. It is shown that the logic gates obtained can be controlled arbitrarily in number and sorts by adjusting either the shift or the division of the output fringe. As an example, logic gates of AND, OR, NAND, NOR are implemented in parallel in the preliminary experiments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00620782
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Guided waves and IR lasers (1982)
    Springer
    Applied physics 28 (1982), S. 283-289 
    Details
    ISSN: 1432-0649
    Keywords: 85.60 ; 42.80 ; 42.55 ; 33
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00697857
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Stimulation of human chorionic gonadotropin and progesterone secretion by tumor promoters, phorbol ester and teleocidin B, in cultured choriocarcinoma cells (1983)
    Springer
    Cellular and molecular life sciences 39 (1983), S. 330-331 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Both 12-O-tetradecanoyl-phorbol-1-acetate and teleocidin B stimulated the secretion of human chorionic gonadotropin by cultured choriocarcinoma cells. These tumor promoters also stimulated production of progesterone in the cells. However, the 2 tumor promoters did not exert a marked effect on the cellular binding of epidermal growth factor that also had a stimulatory effect on production of these hormones.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01955333
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Pharmacokinetics of famotidine in elderly patients with and without renal insufficiency and in healthy young volunteers (1989)
    Springer
    European journal of clinical pharmacology 36 (1989), S. 517-520 
    Details
    ISSN: 1432-1041
    Keywords: famotidine ; H2-receptor antagonist ; renal insufficiency ; old age pharmacokinetics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The pharmacokinetics of the H2-receptor antagonist famotidine, after oral administration of a 20 mg tablet, has been studied in 10 elderly patients with normal renal function (CLCR≧59 ml·min−1, Mean=80 ml·min−1), 5 elderly patients with renal insufficiency (CLCR≦38 ml·min−1, Mean=15 ml·min−1), and 6 healthy young volunteers. Elimination half-life in the elderly patients with renal insufficiency was significantly prolonged compared to the elderly patients with normal renal function and the young volunteers. The correlation coefficient between creatinine clearance and the elimination rate constant of famotidine was 0.672. Mean urinary recovery of unchanged drug up to 24 h in the young volunteers was 44%. The mean renal clearance of famotidine in the young volunteers (270 ml·min−1) was substantially greater than the creatinine clearance, 128 ml·min−1, which suggests the possibility of tubular secretion of famotidine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00558079
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  • 9
    Electronic Resource
    Electronic Resource
    A study of craze deformation in the fatigue fracture of polymethylmethacrylate (1985)
    Springer
    Journal of materials science 20 (1985), S. 3842-3852 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Continuous measurements of the craze contour have been undertaken for fatigue crack propagation in polymethylmethacrylate. The craze contour was determined by an interference fringe method, using equipment specially constructed for continuous load cycling, mounted on the stage of an optical microscope. It was found that there was a very great variation in the size of the craze for a fixed loading programme, although the crack growth rate showed a good correlation with the applied stress intensity range. A general result is that the craze length in fatigue was found to be greater than that for continuous crack propagation under simple fracture. This result suggested that it would be instructive to examine an extension of the Dugdale line-zone model, where the craze stress is not assumed to be constant along the length of the craze. It is shown that this modified line-zone model can provide some understanding of the observed results for craze deformation in fatigue.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00552372
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  • 10
    Electronic Resource
    Electronic Resource
    Study of fatigue crack growth retardation due to overloads in polymethylmethacrylate (1989)
    Springer
    Journal of materials science 24 (1989), S. 3289-3294 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Retardation of the fatigue crack growth after overloading was investigated in conjunction with the craze deformation at the fatigue crack tip in polymethylmethacrylate. The craze deformation was measured by optical interference and analysed numerically with reference to a previously proposed craze model. In the base line loading, the craze stress concentrates at the crack tip with the applied load and, hence, the non-uniform stress distribution is attained at the maximum load. The overload alters this stress distribution. Just after overloading, the crack tip stress does not reach the previous level, even at the same maximum load. The reduced crack tip stress correlates well with the retarded duration after the overload. It is concluded, therefore, that the craze stress reduction at the crack tip is the cause of crack growth retardation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01139055
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