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  • 1
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 69 (1991), S. 8420-8422 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Si and Zn are essentially mutually insoluble. We were able to detect Zn drops at a Si surface by using the refracted x-ray fluorescence method when the Si wafer was implanted with Zn ions at 50 keV up to doses of 1 × 1016 cm−2. The presence of the Zn drops at the Si surface was confirmed both by measuring surface roughness and Rutherford-backscattering spectroscopy spectra.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Low pressure chemical vapor deposition (LPCVD) was carried out to deposit tungsten silicide films (WSix) from WF6 and SiH4 in a low temperature range from 80 to 390 °C, using a tubular reactor system. Drastic decrease of the deposition rate occurred at an extinction temperature Tex. Increase of the reactor size in the range from 4 to 22 mmφ decreased Tex from 140 to 80 °C. Above Tex, the sticking probability of the film forming species (η) and the film composition, x of WSix , did not depend on the reactor diameter. Dependence of Tex on the reactor diameter and independence of η and x above Tex from the reactor diameter indicates that a radical chain process dominates CVD-WSix process to form film forming species.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 46 (1990), S. 72-74 
    ISSN: 1420-9071
    Keywords: Peptidylarginine deiminase ; L-citrulline ; hemopoietic cells
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Peptidylarginine (protein-L-arginine) deiminase activities have been demonstrated in extracts of rat and mouse peritoneal macrophages, bone marrow cells, splenic adherent cells, neutrophils, and mouse monocyte/macrophage cell lines. The enzyme in these cells is indistinguishable from the skeletal muscle enzyme with respect to immunochemical properties.
    Type of Medium: Electronic Resource
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  • 4
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract TheG-matrix interactions are derived from the Jülich YN interaction models A and B, and compared with those from the Nijmegen models. The DDHF calculations for heavy A hypernuclei and the shell-model analysis for spin-doublet states of light hypernuclei are performed by use of theG-matrix interactions. It is demonstrated that the OBE models can be tested by the hypernuclear calculations.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 26 (1970), S. 1329-1330 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Zusammenfassung Durch In-vitro-Inkubation mit alkalischen Gewebsextrakten oder mit Oleinsäure wurde Histamin aus den Blutplättchen von Kaninchen freigesetzt.
    Type of Medium: Electronic Resource
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  • 6
    ISSN: 0942-0940
    Keywords: Moyamoya disease ; surgical treatment ; cases refractory to EDAS ; operative techniques of the second operation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Three cases of Moyamoya disease successfully treated by reoperation are reported with special reference to the operative techniques in the second operation. These children first underwent encephalo-duro-arterio-synangiosis (EDAS). Because two of the three postoperative collateral formations through EDAS were either poor or not present at all and their symptoms remained. Encephalo-myosynangiosis (EMS) was later added in the posterior frontal and/or parietal regions of the same side as the former EDAS. In the remaining one, the collaterals through EDAS were well formed but transient ischaemic attack (TIA) persisted in the lower limb. The collateral to the middle cerebral arterial (MCA) distribution, even though seemingly well formed, was not sufficient to obtain a complete subsidence of the symptoms. In this case encephalo-myo-arteriosynangiosis (EMAS) was later added to the antero-medial frontal region of the same side as the EDAS to form collaterals to the anterior cerebral arterial (ACA) distribution. In all three cases the angiograms after the second operation showed good formation of collaterals, and the symptoms subsided. The causes of poor collateral formation through EDAS and operative techniques for the additional operation for those cases refractory to EDAS are discussed.
    Type of Medium: Electronic Resource
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  • 7
    ISSN: 1432-1920
    Keywords: Adenoid cystic carcinoma ; Meningioma ; Dural tail sign
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Two cases of intracranial adenoid cystic carcinoma mimicking meningioma are reported. In one, MRI showed not only a homogeneously enhancing extra-axial tumour attached to the dura mater of the posterior cranial fossa, but also surrounding dural enhancement, the “dural tail sign”. In the second, CT demonstrated a well-demarcated enhancing extra-axial tumour, indistinguishable from a sphenoid ridge meningioma extending into the orbit. The neuroradiological features of intracranial adenoid cystic carcinoma may thus closely resemble those of meningioma.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-8798
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Thirteen monoclonal antibodies (MAbs) to the glycoprotein (G) of vesicular stomatitis virus (VSV) serotype Indiana were prepared and examined for their effects on various biological activities of VSV, including in vitro infection, hemagglutination, adsorption to cells, and mediation of cell fusion. Competitive binding assays with these MAbs revealed the presence of at least seven distinct antigenic determinants (epitopes) on the G protein. In some cases, overlappings among epitopes to various degrees were observed as partial inhibition or binding enhancement. The MAbs to all the epitopes but one (epitopes 1–6) reacted with the denatured G protein in a Western immunoblot analysis. Four of the epitopes (epitopes 2, 4, 5, and 7) were involved in neutralization and two (epitopes 1 and 2) in hemagglutination inhibition. None of the MAbs inhibited the adsorption of radiolabeled VSV to BHK-21 cells; the MAbs to epitope 2 slightly enhanced the virus adsorption. All neutralization epitopes except epitope 2 (epitopes 4, 5, and 7) were associated with inhibition of VSV-mediated cell fusion. These results show a direct spatial relationship between the epitopes recognized by the MAbs and functional sites on G protein and further insights into the structure and function of G protein.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    International orthopaedics 18 (1994), S. 291-298 
    ISSN: 1432-5195
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Nous avons mis au point une technique chirurgicale de spondylectomie totale par voie postérieure. Nous présentons ici notre expérience de 4 ans portant sur 20 patients ayant des métastases localisées sur une vertèbre dorsale ou lombaire. Notre spondylectomie est une résection radicale de la vertèbre en deux parties, avec une large marge oncologique, afin d'obtenir la guérison locale. Elle s'effectue en deux étapes: 1) laminectomie en bloc avec instrumentation rachidienne postérieure pour la stabilisation, 2) corporectomie en bloc et remplacement par une prothèse vertébrale. Onze des 15 patients ayant des déficits neurologiques ont présenté une amélioration remarquable, et un soulagement de la douleur a été obtenu dans les 17 cas évaluables. Une paralysie imminente a pu être évitée chez 5 malades. Il n'y a eu aucune récidive tumorale locale après l'intervention. Neuf patients sont actuellement en vie, avec un recul moyen de 17.4 mois. Ces résultats cliniques prouvent que la résection radicale en bloc d'une métastase rachidienne localisée ou isolée peut constituer une stratégie thérapeutique efficace.
    Notes: Summary We have developed a technique for total en bloc spondylectomy through a posterior approach and now report our experience of 20 patients with a solitary or localised metastasis in the thoracic or lumbar vertebrae. There are two steps: an en bloc laminectomy, followed by en bloc resection of the vertebral body with an oncological wide margin and the insertion of a vertebral prosthesis. Pain was relieved in the 17 patients who could be assessed; 11 of the 15 patients with a neurological deficit were much improved, impending paralysis being prevented in 5 patients. There have been no local recurrences. Nine patients are at present alive with a mean follow up of 17.4 months.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Journal of materials science 27 (1992), S. 4195-4200 
    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 A new stereological method for the estimation of the contiguity (the degree of contact) for the monodispersed system of spherical particles is reported. Since this method is applicable to point-like contacts, the contiguity of ceramic particles can be evaluated in a metal matrix composite in which the contact is assumed to be point. The contiguity is derived from the geometrical calculation of centre-to-centre distance between particles, evaluation of contact, and consideration of the geometrical probability that two particles in contact are cut simultaneously by a test plane. The contiguity can be expressed by either the number of contacts per unit volume or the number of contacts per particle. Applying this method to a model material (Shirasu-balloon/aluminium alloy composite), the interrelations between the change in the contiguity and some physical properties of the material can be accurately explained.
    Type of Medium: Electronic Resource
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