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  • 1
    Electronic Resource
    Electronic Resource
    Reduced deformability of erythrocytes exposed to hypercapnia (1979)
    Springer
    Cellular and molecular life sciences 35 (1979), S. 343-344 
    Details
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The effect of hypercapnia on the deformability of erythrocytes was studied by means of a nuclepore membrane filter method. A decrement of the deformability by 20–40% was observed when $$P_{CO_2 } $$ was increased from 50 mm Hg to 200 mm Hg, accompanied with an increment of 5% in hematocrit value.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01964342
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  • 2
    Electronic Resource
    Electronic Resource
    On a finite element scheme based on the discrete Kirchhoff assumption (1975)
    Springer
    Numerische Mathematik 24 (1975), S. 211-231 
    Details
    ISSN: 0945-3245
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Summary A justification of a finite element scheme for plate bending problems is presented. The finite element treated here is the triangular element proposed by Stricklinet al. and Dhatt using the discrete Kirchhoff assumption. Some error estimates are derived for the finite element solutions of static and eigenvalue problems with the homogeneous Dirichlet conditions. Numerical experiments are also performed to see the validity of the theory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01436593
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  • 3
    Electronic Resource
    Electronic Resource
    Elektrische Doppelbrechung von Poly-(γ-benzyl-L-glutamat) in Äthylendichlorid (1977)
    Springer
    Colloid & polymer science 255 (1977), S. 519-519 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01536526
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  • 4
    Electronic Resource
    Electronic Resource
    Elektrochemische Polymerisation von Acenaphthylen in Nitrobenzol (1977)
    Springer
    Colloid & polymer science 255 (1977), S. 623-623 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01549883
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  • 5
    Electronic Resource
    Electronic Resource
    Elektrochemische Polymerisation von Acenaphthylen (1975)
    Springer
    Colloid & polymer science 253 (1975), S. 342-342 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02352164
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  • 6
    Electronic Resource
    Electronic Resource
    Polyelektrolytkomplex von Na-Dextransulfat mit Gelatine (1977)
    Springer
    Colloid & polymer science 255 (1977), S. 720-720 
    Details
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01550182
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  • 7
    Electronic Resource
    Electronic Resource
    Prenatal diagnosis of GM1-gangliosidosis: Biochemical manifestations in fetal tissues (1978)
    Springer
    Human genetics 〈Berlin〉 44 (1978), S. 287-293 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary A prenatal diagnosis of GM1-gangliosidosis was made in a pregnancy at risk, on the basis of a deficiency of β-galactosidase activity demonstrated in cultured aminiotic fluid cells. Biochemical analyses were performed in the aborted fetus. GM1-ganglioside β-galactosidase activity was reduced to 1% of the control value in both the brain and liver of the affected fetus. Lamellar bodies suggestive of membranous cytoplasmic bodies were found in cells of basal ganglions, while the accumulation of GM1-ganglioside in the brain was not remarkable.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00394293
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  • 8
    Electronic Resource
    Electronic Resource
    Reexamination of paternal age effect in Down's syndrome (1978)
    Springer
    Human genetics 〈Berlin〉 40 (1978), S. 259-268 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Paternal age distribution for 1279 cases of Down's syndrome born in 1952–1968 was compared with the corresponding distribution for the general population, corrected for the maternal age as well as for the year of birth of the patients. Although there was no difference in the mean paternal age, the two distributions differed significantly, largely due to the excess of fathers aged 55 years and over and to the deficit of those aged 40–44 years in the patients born to mothers aged 30 years and over. The overall pattern of the relative incidence of Down's syndrome with advancing paternal age, with maternal age controlled, seems consistent with the hypothesis proposed by Stene et al. (1977). It increased from 0.8 for fathers aged 20–24 years slowly up to 1.2 for those aged 45–49 years, though with an intermediate drop to 0.8 at the age of 40–44 years, and then sharply to 2.4 for those aged 55 years and over. This rising pattern of the relative incidence with paternal age was essentially the same for the patients born in 1952–1960 and for those born in 1961–1968, although the slope was less steep in the latter than in the former group.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00272186
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  • 9
    Electronic Resource
    Electronic Resource
    Developmental aspects of the innervation of skeletal muscle fibers in the chick embryo (1976)
    Springer
    Cell & tissue research 171 (1976), S. 233-251 
    Details
    ISSN: 1432-0878
    Keywords: Motor innervation ; Fiber type ; Myogenesis ; Electronmicroscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The M. complexus in the chick, commonly called the hatching muscle, undergoes conspicuous growth during the latter stages of embryonic development. Myogenesis of this muscle was compared to that of M. biceps femoris with regard to development of types of muscle fiber and their innervation. In both muscles β fibers are of relatively uniform size and show little growth in diameter between 12 days of development and hatching; α fibers develop continuously and display a wide range of diameters at all stages. Initial thickenings on the sarcolemma of β fibers where axons are closely approximate were first observed at 10 days of development in both muscles. In both muscles β fibers are innervated prior to α fibers. Terminal axon networks bridge intercellular spaces and contact β fibers in different myogenic clusters, α fibers that develop on the surface membrane of β fibers exhibit focal thickenings of the membrane and some cell projections that are directed toward axon-β fiber contacts. These changes occurred only in α fibers of M. complexus. At 14 days of embryogenesis, the processes of synaptogenesis and of myelin formation are less advanced in M. biceps femoris than in M. complexus. At this stage a fibers were observed to be innervated in M. complexus, but not yet in M. biceps femoris. Each β fiber was observed to be encircled by several preterminal axons. It is concluded that the earlier development of M. complexus is correlated with an equally early development of nerve-muscle interactions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00219408
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  • 10
    Electronic Resource
    Electronic Resource
    The structure and innervation of the sinu-atrial node of the mole heart (1976)
    Springer
    Cell & tissue research 172 (1976), S. 345-356 
    Details
    ISSN: 1432-0878
    Keywords: Mole heart ; SA node ; Innervation ; Neuromuscular relationship ; Electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The sinu-atrial node in the heart of the mole, Mogera wogera, contains myocytes which are devoid of atrial specific granules and which may be classified into two types: electron-lucent (majority) and dark (minority). Numerous unmyelinated axon terminals, containing synaptic vesicles, face the nodal myocyte surface with interspaces of less than 300 nm. There are about 6 terminals per myocyte profile and about 10 per profile at nuclear levels. Of a total of 2717 of these terminals 85.2% are 50–200 nm from the nodal myocytes, and 9.6% form closer neuromuscular junctions, with less than 50 nm interspace and some membrane specialization. Such specializations are almost exclusively found in relation to the dark, minority-type of nodal myocyte. Myelinated nerve fibers are also numerous within the mole SA node, and may terminate almost directly on a nodal myocyte. A few nerve fibers contain many mitochondria and may represent afferent endings. Nodal capillaries are smaller and fewer than capillaries in the juxtanodal myocardium, probably indicating a lesser blood supply to the SA node than to the ordinary myocardium.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00399517
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