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Article
Früherkennung des Risikos der späteren Implantatlockerung mittels der Röntgen Stereophotogrammetrischen Analyse (RSA)
Häufigste Ursache für Implantatrevisionen in der Hüft- und Knieendoprothetik ist die aseptische Implantatlockerung. Die Methode der Röntgen Stereophotogrammetrischen Analyse (RSA) repräsentiert den aktuellen G...
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Article
Fixation of the shorter cementless GTS™ stem: biomechanical comparison between a conventional and an innovative implant design
Conventional cementless total hip arthroplasty already shows very good clinical results. Nevertheless, implant revision is often accompanied by massive bone loss. The new shorter GTS™ stem has been introduced ...
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Article
Open AccessPro-apoptotic Sorafenib signaling in murine hepatocytes depends on malignancy and is associated with PUMA expression in vitro and in vivo
The multi-kinase inhibitor Sorafenib increases the survival of patients with advanced hepatocellular carcinoma (HCC). Current data suggest that Sorafenib inhibits cellular proliferation and angiogenesis and pr...
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Article
Metallkonzentrationen bei Patienten mit Metall-Metall-Gleitpaarungs-Prothese
Erhöhter Verschleiß von Prothesen mit Metall-Metall-Gleitpaarungen führt bei betroffenen Patienten zu erhöhten systemischen und lokalen Metallkonzentrationen. Die lokalen Metallbelastungen in der Nähe des Impl...
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Article
Grundlagen zur tribologischen Analyse von Endoprothesen
Zur tribologischen Charakterisierung künstlicher Gelenke stehen derzeit verschiedene experimentelle Methoden zur Verfügung, die untereinander allerdings nur begrenzt vergleichbar sind. Auch sind die verwendete...
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Article
Neutron-diffraction study of Bi12MO20 single crystals with sillenite structure (M=Si,Si0.995Mn0.005,Bi0.53Mn0.47)
Single crystals of Bi12MO20 oxides have been characterised by neutron diffraction. The compounds crystallise with the cubic sillenite-type structure (space group I23, Z=2), with unit-cell parameter a=10.104(1) Å,...
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Article
Neutron diffraction study on the medium and short-range order of ternary chalcogenide glasses
Glasses from GexAs40−xS60, GexAs40−xSe60, GexSb40−xS60 and GexSb40−xSe60 families have been investigated by neutron diffraction. The well expressed “first sharp diffraction peak” of the neutron spectra at Q = 10–...
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Article
Neutron diffraction study of RMn4Al8 (R = Nd, Dy, Ho, Er), ErCr4Al8 and ErCu4Al8
Neutron powder diffraction has been used to investigate the magnetic order in a series of RMn4Al8 (space group I4/mmm) compounds with R = (Nd, Dy, Ho and Er). For compounds with Mn, no magnetic order was detected...
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Article
The phase diagram of (NH4I)x(KI)1−x
The χ,T phase diagram of (NH4I)x(KI)1−x has been determined using neutron diffraction experiments and dielectric spectroscopy. At low temperatures and with decreasing χ, the sequence γ, β, ε and glass phase has b...
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Article
Neutron diffraction study of (NH4I)0.73(KI)0.27
Powder and single crystal neutron diffraction experiments were performed on (NH4I)0.73(KI)0.27 and provide experimental evidence for the occurence of a new phase below 63K. This ε phase has trigonal symmetry (spa...
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Article
Neutron diffraction study of (NH4I)0.73(KI)0.27
Powder and single crystal neutron diffraction experiments were performed on (NH4I)0.73(KI)0.27 and provide experimental evidence for the occurence of a new phase below 63K. This ε phase has trigonal symmetry (spa...
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Article
The phase diagram of (NH4I)x(KI)1−x
The χ,T phase diagram of (NH4I)x(KI)1−x has been determined using neutron diffraction experiments and dielectric spectroscopy. At low temperatures and with decreasing χ, the sequence γ, β, ε and glass phase has b...
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Article
X-ray superstructure determination of ordered oxygen and Cu-displacements in a single domain of YBa2Cu3O6.35
The superstructure of ordered oxygen atoms in a single domain of YBa2Cu3O6.35 has been determined by X-ray diffraction. The 45o rotated superstructure cell is orthorhombic—spacegroup Pbam, lattice constants ...
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Article
Cisplatin/etoposide/ifosfamide stepwise dose escalation with concomitant granulocyte/macrophage-colony-stimulating factor for patients with far-advanced testicular carcinoma
In order to develop a more dose-intensive induction regimen for the treatment of far-advanced testicular tumours, the German Cooperative Group for Testicular Tumours started a dose-escalation trial of cisplati...
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Article
Crystallographic and magnetic structures of highT c related (Bi/Pb)2Sr2FeO6.25 determined by neutron powder diffraction
The structure of (Bi/Pb)2Sr2FeO6.25 was refined from high resolution neutron powder diffraction data taken at 300 K and 5 K. The average structure is well described in the orthorhombic spacegroup Amaa witha=5.425...
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Chapter
Nervensystem, Auge, Mund, Rachen, Nasennebenhöhlen, Schilddrüse, Thymus, Niere, Nebenniere, Harnblase, Knochen, Weichteile, seltene Tumoren anderer Lokalisation
Die Inzidenz von Hirntumoren liegt bei 4,5/100000. Bei Kindern machen sie rund 50% aller soliden Tumoren aus. Sie können — nach histologischen Kriterien — maligne oder benigne sein, wobei histologisch zwar ben...
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Article
Die in sich gedrehte, sich in sich selbst verbiegende Welle und ihre Stabilität
Im Gegensatz zur elastisch verbogenen, ursprünglich geraden Welle ist zum Drehen der im spannungslosen Zustand gekrümmten Welle ein mit dem Drehwinkel periodisch veränderliches Drehmoment nötig. Dieses kommt, ...
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Article
Der klinische Wert des Oto-Audion