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  • 2005-2009  (4)
  • 1980-1984  (5)
  • 2007  (4)
  • 1980  (5)
  • 1
    Electronic Resource
    Electronic Resource
    Ultrastructure of transplant glomerulopathy (1980)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 4 (1980), S. 0 
    Details
    ISSN: 1365-2559
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Thirty-one specimens of tissue were obtained from 15 renal allografts 3–96 months after transplantation and studied by light, electron and in some cases also by immunofluorescence microscopy. All patients had a degree of renal insufficiency and almost all had proteinuria and moderate hypertension; nephrotic syndrome was present in one and hematuria in two. On histological examination one patient showed cellular proliferation suggestive of glomerulonephritis (recurrent or de novo) and another patient had numerous crescents. The most frequent glomerular lesion was widening of the lamina rara interna with subendothelial accumulation of finely granular material, formation of new subendothelial basement membrane and deposition of microfibrils and fine filaments. The mesangial changes were mainly those of mesangiolysis and mesangial sclerosis with deposition of mesangial matrix and microfibrils, but little cellular proliferation. Fragmented red blood cells were seen in nearly half of the patients. In another seven patients the lesion resembled focal segmental glomerulosclerosis. This combination of changes termed transplant glomerulopathy leads to diffuse glomerular sclerosis. Arterial intimal thickening and occasionally also thrombosis produced ischaemic changes in the kidney and in the glomeruli and contributed significantly to the process of transplant rejection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2559.1980.tb02931.x
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  • 2
    Electronic Resource
    Electronic Resource
    Precision Grinding of High Chromium Steels Using Metal Bonded CBN Wheel (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 24-25 (Sept. 2007), p. 171-176 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: In this study, the influences of carbides and alloy additives on ground surfacecharacteristics of several high Chromium (Cr) steels and abrasive grains of working surface werediscussed. In the grinding using metal bonded CBN wheel, almost constant values in groundsurface roughness and high grinding ratio were shown. 5% Cr steel with Vanadium, 8% Cr steeland 10% Cr steel showed a rougher surface than Cr steels with 3%, 4% and 5% due to the carbideinclusion. The grinding ratio of 5%Cr steel could be raised considerably by adding sulfur to it
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.24-25.171.pdf
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Precision Grinding of SUS304 Using Metal Bonded CBN Wheel (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 24-25 (Sept. 2007), p. 261-264 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The fundamental experiment of the grinding of the stainless steel using the metal bondedCBN wheel which was excellent in wear resistance was conducted. The most appropriate grindingconditions were obtained by clarifying wear process of grinding wheel and finished ground surfacequality. When grinding was carried out up to stock removal 7000mm3/mm, radial wear of grindingwheel %R is 3μm and surface roughness Rz was 0.5μm or less. The grinding ratio Gr becomesabout 3000, and long life grinding with little change of surface roughness was possible
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.24-25.261.pdf
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Precision Grinding and Slicing of Glass-Like-Carbon (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Advanced materials research Vol. 24-25 (Sept. 2007), p. 65-70 
    Details
    ISSN: 1662-8985
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: High density and isotropic poreless structure of Glass-like-carbon makes it practicallyused for fuel cells of space-shuttles and hard disk substrate etc. Glass-like-carbon is one of the newmaterials which attract attention, but it is so hard and brittle that precise machining of this materialis difficult. Surface grinding and slicing were performed to collect the fundamental data of precisemachining. The main results obtained in this study are as follows. (1) The transition from brittlemode to ductile mode in surface grinding occurs at a grain mesh size between #5000 and #3000.(2) The maximum grain depth of cut ‘dg’ necessary for ductile mode grinding is 0.021-0.006 mm orless. (3) When it is being sliced, the kerf width of the #1000 grinding wheel becomes wider thanthat of the #2000 grinding wheel because of the fact that the material removal capability of the#1000 grinding wheel is bigger than that of the #2000 grinding wheel. (4) It is extremely effectiveto use the fine grinding wheel, since the Young's modulus of glass-like-carbon is considerably lowand eventually causes compression transformation
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/39/transtech_doi~10.4028%252Fwww.scientific.net%252FAMR.24-25.65.pdf
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  • 5
    Electronic Resource
    Electronic Resource
    Topographic distribution pattern of Lafora-like bodies in the spinal cord of some animals (1980)
    Springer
    Acta neuropathologica 49 (1980), S. 159-161 
    Details
    ISSN: 1432-0533
    Keywords: Lafora-like bodies ; Spinal cord ; Animals
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The topographic distribution pattern and morphological features of Lafora-like bodies in the spinal cord of the dog, cat, fox, and baboon were examined by light and electron microscopy. The caudal lumbar and the coccygeal parts of the spinal cords were the predilection sites for the bodies in all animals and were very prominent in the ventral columns and intermediate substance. The bodies mainly composed of branching filaments were preferentially located in neuronal processes and rarely in astrocytes. The histochemical characteristics of the bodies were identical in all animals and consisted mainly of polyglucosan.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00690756
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Three-Dimensional Zinc Mapping inside Aluminum Foams Using Synchrotron X-Ray Microtomography (2007)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 561-565 (Oct. 2007), p. 1677-1680 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Three-dimensional zinc mapping based on X-ray K-edge scanning has been performed.By microtomographies with energies above and below the K-absorption edges of the elements, theconcentration distribution of the elements is evaluated during in-situ experiments, respectively. It isfound that the Zn concentration distribution during the heat treatment was changed inside the cellwall of the aluminum foams and it has been homogenized. Also several precipitated phasetransformation can be three-dimensionally visualized by the CT-method tuning X-ray energies
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/18/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.561-565.1677.pdf
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  • 7
    Electronic Resource
    Electronic Resource
    Reply to the letter of Prieto et al. Concerning our paper on a case of 13q;18q translocation (1980)
    Springer
    Human genetics 〈Berlin〉 53 (1980), S. 283-283 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00273513
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Anomalous origin of the anterior inferior cerebellar arteries from the internal carotid artery (1980)
    Springer
    Neuroradiology 19 (1980), S. 105-109 
    Details
    ISSN: 1432-1920
    Keywords: Anterior inferior cerebellar artery ; Internal carotid artery ; Persistent primitive trigeminal artery ; Carotid angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Two cases of the anterior inferior cerebellar arteries originating from the cavernous and precavernous segments of the internal carotid artery are reported. In one case the course of the anomalous artery was confirmed by autopsy. This anomalous artery is considered to be a variant of persistent primitive trigeminal artery. The clinical significance is discussed briefly.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00342605
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Abnormal copper metabolism in menkes cultured fibroblasts (1980)
    Springer
    European journal of pediatrics 134 (1980), S. 205-210 
    Details
    ISSN: 1432-1076
    Keywords: Menkes kinky hair syndrome ; Menkes fibroblasts ; Copper metabolism ; Metalloprotein
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Menkes fibroblast cultures were established and copper metabolism was investigated. Menkes fibroblasts contained four to six times higher concentrations of copper than control cells. In Menkes cells more than 90% of the intracellular copper was present in cytosol (105,000 x g supernatant fraction); in control fibroblasts the corresponding value was about 67%. During cultivation of fibroblasts in medium supplemented with 100 ng/ml of copper (270 ng CuCl2·2H2O /ml), the amount of copper increased continuously in Menkes cells, at least up to 4 days, while in control cells in reached a maximum after 24 h, followed by a gradual decrease. When the medium was replaced with one without copper chloride, copper concentrations in Menkes cells returned to the original level in three days, whereas those in control cells returned to the normal level in one day. Using Sephadex G-75 column chromatography of cytosol, two copper-containing peaks were observed (peaks 1 and 3, corresponding to the peaks from rat liver cytosol). Approximately 75% of the copper in the cytosol from Menkes cells was eluted in peak 3. The corresponding copper peak was very small in control cells. Copper peaks 1 and 3 from both cells increased after treating cells with copper chloride and the increase was inhibited by cycloheximide, an inhibitor of protein biosynthesis. Metallothionein purified from human kidneys was eluted as a single copper-protein from a Sephadex G-75 column in the same fractions as peak 3. SDS polyacrylamide-slab gel electrophoresis of the purified metallo-thionein and the material eluted in peak 3 from Menkes fibroblasts showed single peaks for copper at identical migration distances.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00441474
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    Paper (German National Licenses)
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