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  • 1
    Electronic Resource
    Electronic Resource
    Proton NMR relaxation study of molecular motion in poly(.gamma.-n-octadecyl L-glutamate) and poly(.gamma.-oleyl L-glutamate) (1990)
    s.l. : American Chemical Society
    Macromolecules 23 (1990), S. 4908-4911 
    Details
    ISSN: 1520-5835
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ma00225a004
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  • 2
    Electronic Resource
    Electronic Resource
    Analysis and Design of Plasma Chemical Reactions Based on Quantum Chemical Methods (1993)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 140-142 (Oct. 1993), p. 17-24 
    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
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/00/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.140-142.17.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Central neurocytoma: immunohistochemical and ultrastructural study (1991)
    Springer
    Acta neuropathologica 81 (1991), S. 418-427 
    Details
    ISSN: 1432-0533
    Keywords: Neurocytoma ; Oligodendroglioma ; Synaptic vesicles ; Synaptophysin
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Eight cases of central neurocytomas were studied by immunohistochemistry and electron microscopy. Seven tumors were located in the lateral ventricles and one in the subependymal region. All but one patient had a favorable postoperative course. The tumors were composed of small uniform cells possessing amitotic round nuclei with frequent perinuclear halos, a few Homer Wright rosettes and no ganglion cells; an appearance resembling that of oligodendroglioma. Immunohistochemical studies disclosed neuron-specific enolase and Leu-7 positivity in all tumors, S-100 protein-positive cells were found in six, while glial fibrillary acidic protein —and vimentin-positive cells were confined to the blood vessels. Myelin basic protein as well as neurofilament were not detected in the tumors. Synaptophysin-positive areas were seen in one tumor. Ultrastructural examination showed distinctive neuronal tumor cells which had a cytoplasm with sparse dense-core vesicles and thin cell processes containing parallel microtubules. They were classified into three different types of tumor cells according to the extent of differentiation. The most consistent finding for histological diagnosis was the presence of typical or abortive synapses with clear and dense-core vesicles. Additionally, synaptophysin may be a specific marker for some central neurocytomas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00293463
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  • 4
    Electronic Resource
    Electronic Resource
    Latent herpes simplex virus type 1 in human geniculate ganglia (1992)
    Springer
    Acta neuropathologica 84 (1992), S. 39-44 
    Details
    ISSN: 1432-0533
    Keywords: Herpes simplex virus ; Latent infection ; Human geniculate ganglion ; In situ hybridization ; Bell's palsy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Viral infection, especially by reactivation of herpes simplex virus (HSV) has been considered to be a possible explanation for the pathogenesis of idiopathic peripheral facial nerve palsy (Bell's palsy). We investigated whether the geniculate ganglia of man contain latent HSV type 1 (HSV-1), and compared the frequency of HSV-infected ganglia and that of latently infected neurons in human geniculate ganglia and in trigeminal ganglia. From autopsy specimens of eight adults 15 geniculate ganglia and 16 trigeminal ganglia were examined by means of in situ hybridization and immunohistochemical staining. The HSV-1 genome was detected in 11 of the 15 (71%) geniculate ganglia and in 13 of the 16 (81%) trigeminal ganglia. No HSV antigen was noted in any of the ganglia. The incidence of latently infected neurons was 0.9% in the trigeminal ganglia and 5.3% in the geniculate ganglia. The difference in percentages between the two types of ganglia was significant. Our results suggest that reactivation of latent HSV in the geniculate ganglia is a probable cause of some cases of herpetic stomatitis and of idiopathic peripheral facial nerve palsy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00427213
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  • 5
    Electronic Resource
    Electronic Resource
    Fluctuations in bacterial populations on the root surface of wheat (Triticum aestivum L.) grown under different soil conditions (1992)
    Springer
    Biology and fertility of soils 14 (1992), S. 246-252 
    Details
    ISSN: 1432-0789
    Keywords: Volcanic ash soil ; Fluorescent pseudomonads ; Rhizosphere ; Wheat ; Bacterial groups ; Phosphate fertilizer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Populations of several bacterial groups on the root surface of wheat and in root-free soil were investigated in volcanic ash soil and non-volcanic ash soil throughout a series of predetermined intervals. Over time, the populations changed similarly both on the root surface and in root-free soil. The numbers of total bacteria, fluorescent Pseudomonas spp., phosphate-solubilizing bacteria, and NH inf+ sup4 -oxidizing bacteria, were consistently lower in the plots with volcanic ash soil than with nonvolcanic ash soil, but the numbers of cellulose-decomposing bacteria were opposite to those of the other groups. Superphosphate application improved the growth of wheat in the volvanic ash soil. It did not, however, bring about any significant changes in the bacterial populations among the volcanic ash soils supplemented with three different levels of superphosphate, though there were some variations with plant age.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00395459
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  • 6
    Electronic Resource
    Electronic Resource
    The accumulation of11C-methionine in cerebral glioma patients studied with PET (1990)
    Springer
    Acta neurochirurgica 104 (1990), S. 8-12 
    Details
    ISSN: 0942-0940
    Keywords: Amino acid metabolism ; cerebral glioma ; brain tumour ; 11C-methionine ; PET
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Fourteen patients with cerebral gliomas were studied with positron emission tomography (PET) using L-[methyl-11C]methionine (11C-MET). Positive images of tumour were obtained in all cases regardless of histological grades. The analysis of differential absorption ratio (DAR) showed the higher accumulation of11C-MET in high grade gliomas than in low grade gliomas. PET study with11C-MET will be of great value not only in delineating the location of gliomas, but also in making a qualitative diagnosis from the view point of the biological properties of gliomas.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01842885
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  • 7
    Electronic Resource
    Electronic Resource
    The Temperature and the Grains of Ti-6Al-4V Alloy on the Uniaxial and Biaxial Deformations for Superplasticity (1994)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 170-172 (Oct. 1994), p. 207-212 
    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
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/02/00/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.170-172.207.pdf
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  • 8
    Electronic Resource
    Electronic Resource
    The vascular and neuronal composition of the lateral ligament of the rectum and the rectosacral fascia (1991)
    Springer
    Surgical and radiologic anatomy 13 (1991), S. 17-22 
    Details
    ISSN: 1279-8517
    Keywords: Lateral and posterior ligaments of the rectum ; Middle rectal vessels ; Pelvic splanchnic nerves ; Rectosacral fascia ; Macroscopic anatomy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé La dissection de 83 hémibassins provenant de 45 cadavres a été réalisée pour préciser la structure du ligament latéral du rectum et du fascia recto sacré. L'artère rectale moyenne (ARM) a été observée seulement sur 18 specimens (22,2 %). Le ligament latéral du rectum a été divisé en portion latérale et médiale, en fonction des rapports topographiques avec le plexus pelvien. La partie latérale présente une portion antérosupérieure contenant l'ARM et une portion postéro-inférieure contenant les nerfs splanchniques pelviens (NSP). Ces deux composants (ARM et NSP) contribuent à la formation de la partie médiale bien que les vaisseaux rectaux moyens ne soient pas toujours présents. La partie médiale répond aux branches rectales du plexus pelvien et à leurs tissus conjonctifs environnants. Le fascia sacro-rectal est formé de tissu conjonctif dense, tendu de la paroi postérieure du rectum aux 3e et 4e vertèbres sacrées. Les principaux composants de ce fascia sont les branches latérales et médiales des vaisseaux sacrés et les nerfs splanchniques sacrés arrivant directement des ganglions sympathiques sacrés.
    Notes: Summary Detailed dissections were performed on 83 pelvic halves from 45 cadavers in order to obtain more accurate data on the composition of the lateral ligament of the rectum and the rectosacral fascia. The middle rectal artery was observed in only 18 out of 81 spcimens (22.2%). The lateral ligament of the rectum was divided into lateral and medial portions, according to the positional relationship to the pelvic plexus. The lateral part consisted of a superoanterior and an inferoposterior subdivision. The main component of the former was the middle rectal artery, while the pelvic splanchnic nerves were contained in the latter. Both components can be considered to contribute to the formation of the medial part, although the middle rectal vessels were not always present. The medial part consisted of the rectal branches from the pelvic plexus and their connective tissue. The rectosacral fascia was formed by dense connective tissue between the posterior wall of the rectum and the third and fourth sacral vertebrae. The main components of the fascia were branches of the lateral and median sacral vessels and the sacral splanchnic nerves which arose directly from the sacral sympathetic ganglia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01623135
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  • 9
    Electronic Resource
    Electronic Resource
    Left superior vena cava continuing to the accessory hemiazygos without anastomosis with the coronary sinus (1993)
    Springer
    Surgical and radiologic anatomy 15 (1993), S. 151-154 
    Details
    ISSN: 1279-8517
    Keywords: Double superior vena cava ; Azygos vein ; Human variation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Il a été observé un cas de double veine cave supérieure avec absence de la veine brachio-céphalique gauche. La veine cave supérieure gauche continuait la veine hémiazygos accessoire sans anastomose avec le sinus coronaire. Toutefois, le sang de la veine cave supérieure gauche se drainait dans la veine cave supérieure droite par une anastomose transverse entre les azygos droite et gauche. On pense que, 1) la veine inter-précardinale ne s'est pas formée, et 2) la veine précardinale gauche ne se continue pas dans la veine cardinale commune mais plutôt se draine dans l'azygos gauche. Ce cas doit reprśenter l'un des dispositifs les plus primitifs du système cave supérieur.
    Notes: Summary A case of double superior vena cava lacking the left brachiocephalic vein was found. The left superior vena cava directly continued to the accessory hemiazygos vein without anastomosis with the coronary sinus. Therefore, the blood from the left superior vena cava drained into the right superior vena cava via the transverse anastomosis between the left and right azygos lines. It was thought that embryologically 1) the inter-precardinal vein was not formed, and 2) the left precardinal vein did not continue to the common cardinal vein, rather it drained into the left azygos line. This case may represent one of the most basic arrangements of the superior caval system.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01628317
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  • 10
    Electronic Resource
    Electronic Resource
    Development of domain refined grain-oriented silicon steel by grooving : 37th Annual conference on magnetism and magnetic materials (1993)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 73 (1993), S. 6609-6611 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Recently a heat-proof magnetic domain refining technique has been developed which is characterized by the introduction of grooves on a surface of steel sheet after final cold rolling. In this paper, magnetic properties and the domain refining effect of grooving are investigated. A grooving process is constituted by resist printing on the surface of steel sheets after final cold rolling and succeeding electrolytic etching. The grooves were introduced almost perpendicular to the rolling direction of steel sheets. The width and depth of each grove are about 200 and 20 μm, respectively. With this newly developed method, about 10% reduction in iron loss was achieved and less than 0.34 W/lb at 1.5 T, 60 Hz was obtained. Using this new material, the iron loss of wound core transformers can be reduced by about 10% as compared with nongrooved material. Domain width was dramatically reduced by grooving, which caused the reduction of eddy current loss. This reduction is considered to be caused by the demagnetizing field effect due to free poles in the vicinity of grooves. It was clarified that in grooved sheets the magnetization on the ungrooved surfaces proceeded faster than on the grooved surfaces and therefore, hysteresis loss and magnetizing characteristics did not deteriorate by grooving.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.352526
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