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  • 1
    Digitale Medien
    Digitale Medien
    Crystal structure and magnetic properties of Fe (111) singe crystal films (1997)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 81 (1997), S. 344-349 
    Details
    ISSN: 1089-7550
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: Fe (111) single crystal films have been grown on GaAs (111) by the sputter-beam method. Reflection high energy electron diffraction and x-ray diffraction measurements have revealed excellent aligned epitaxial growth of the Fe (111) film on GaAs. No evidence of preferential diffusion of As atoms into the deposited Fe layers has been found in the depth profile of Auger electron spectra. Magnetic measurements clearly show that the Fe (111) film has nearly ideal threefold symmetric anisotropy and exhibits isotropic initial permeability in the film plane, as predicted by theory.© 1997 American Institute of Physics.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.364117
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  • 2
    Digitale Medien
    Digitale Medien
    Interlayer coupling of Fe/Si/Fe trilayers with very thin boundary layers (1999)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 85 (1999), S. 5741-5743 
    Details
    ISSN: 1089-7550
    Quelle: AIP Digital Archive
    Thema: Physik
    Notizen: The interlayer magnetic coupling of a Fe/Si/Fe trilayer shows an analogous feature to that of Fe/Si superlattices. With an increase in Si layer thickness, it oscillates as ferromagnetic (first F), antiferromagnetic (AF), ferromagnetic (second F), and finally reaches a noncoupling (N) state. We have investigated interlayer coupling of Fe/Si/Fe trilayers inserting very thin (1 or 2 ML thick) boundary layers X (X=Ag, Ge, Fe–Si, Ta, etc.). They are expected to suppress interatomic diffusion between Fe and Si layers. Interlayer coupling of Fe/X/Si/X/Fe with negligible interdiffusion is simply F and changes to N as the Si layer thickness increases. Furthermore, Fe/Fe–Si/Fe trilayers which show coupling of first F, AF but not second F, reproduce second F when a Si layer is inserted in the Fe–Si spacer. These results imply that an amorphous Si spacer mediates ferromagnetic coupling between neighboring Fe layers while the first F and the strong AF coupling usually observed in Fe/Si superlattices are caused by diffused crystalline Fe–Si. © 1999 American Institute of Physics.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.370111
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  • 3
    Digitale Medien
    Digitale Medien
    Laser induced fluorescence spectroscopy of the A˜ 3Πi←X˜ 3Σ− transition of the CCS radical (2001)
    College Park, Md. : American Institute of Physics (AIP)
    The Journal of Chemical Physics 114 (2001), S. 6142-6150 
    Details
    ISSN: 1089-7690
    Quelle: AIP Digital Archive
    Thema: Physik , Chemie und Pharmazie
    Notizen: The A˜ 3Πi←X˜ 3Σ− electronic transition of a carbon-chain molecule CCS has been observed for the first time by laser induced fluorescence spectroscopy. The species was generated with a pulsed discharge of 0.5% C2H2 and 0.5% CS2 diluted in Ar via a pulsed supersonic jet. A number of bands in the 690–675 nm and 600–615 nm regions (14 500–14 800, 16 200–16 600 cm−1) were observed and assigned to those of CCS using ground state combination differences. Three of the bands in each region were found to belong to the three A˜ 3Πi spin-orbit components of the A˜ 3Πi←X˜ 3Σ− transition (Tv=14 662.777(4) and 16 423 cm−1), and an effective set of rotational constants for the upper states were obtained. The higher energy band was heavily perturbed, preventing the determination of effective constants for this band. These bands have been tentatively assigned as two successive bands in the A˜ 3Πi(n,0,0) progression with a resultant effective value of 1760 cm−1 for the A˜ 3Πi ν1 vibrational fundamental. Dispersed fluorescence spectra from the A˜ 3Πi←X˜ 3Σ− band of CCS have also been observed, yielding definitive experimental information on the vibrational structure of the X˜ 3Σ− ground state for the first time. The three harmonic frequencies were determined to be 1708.2(40) cm−1, 862.5(19) cm−1, and 269.3(13) cm−1 for ω1 (CC stretch), ω2 (CS stretch), and ω3 (CCS bend), respectively. © 2001 American Institute of Physics.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.1356006
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  • 4
    Digitale Medien
    Digitale Medien
    Human Granulocyte-Macrophage Colony-Stimulating Factor Lowers the Levels of Plasma Cholesterol with an Increase in mRNA for Very Low Density Lipoprotein Receptor in Rabbits (1994)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 748 (1994), S. 0 
    Details
    ISSN: 1749-6632
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Allgemeine Naturwissenschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1749-6632.1994.tb17377.x
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  • 5
    Digitale Medien
    Digitale Medien
    Pelvic bone involvement in low-grade endometrial stromal sarcoma with ovarian sex cord-like differentiation (1996)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 29 (1996), S. 0 
    Details
    ISSN: 1365-2559
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2559.1996.tb01432.x
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  • 6
    Digitale Medien
    Digitale Medien
    Malignant solitary fibrous tumour of the peritoneum (1996)
    Oxford, U.K. and Cambridge, USA : Blackwell Science Ltd
    Histopathology 28 (1996), S. 0 
    Details
    ISSN: 1365-2559
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1046/j.1365-2559.1996.297345.x
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  • 7
    Digitale Medien
    Digitale Medien
    Mixed tumour of the vagina (1996)
    Oxford, U.K. and Cambridge, USA : Blackwell Science Ltd
    Histopathology 28 (1996), S. 0 
    Details
    ISSN: 1365-2559
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: A 33-year-old Japanese woman presented with a polypoid 2.5 × 2.5 × 1.9 cm mass located in the posterior wall of the lower vagina. Microscopically, the tumour was composed of benign epithelial and stromal-type elements. Predominant epithelial elements were mucinous glands with squamous metaplasia and islands of mature squamous epithelium. The stromal-type cells showed reticular or short fascicular patterns with a transition to the epithelial elements. There was no dual epithelial-myoepithelial combination in the glands as seen in so-called mixed tumours (pleomorphic adenomas) of the salivary gland. Immunohistochemically, the epithelial elements were strongly positive for cytokeratin, PKK1 and epithelial membrane antigen, while the stromal-type cells co-expressed PKK1 and vimentin. Staining for S-100 protein, muscle actin, alpha-smooth muscle actin, desmin, and CD34 was uniformly negative in the tumour cells. The DNA pattern was diploid. The patient is alive and well without recurrence for 50 months after excision. These results indicate that an epithelial cell proliferation, probably of the remnant vestibular gland, plays a major role in the development of mixed tumours of the vagina.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1046/j.1365-2559.1996.331373.x
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  • 8
    Digitale Medien
    Digitale Medien
    Atypical polypoid adenomyomas of the uterus (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Histopathology 27 (1995), S. 0 
    Details
    ISSN: 1365-2559
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: We performed a clinicopathological immunohistochemical, ultrastructural, and flow cytometric study on six cases of atypical polypoid adenomyoma of the uterus including one with an adenocarcinoma within it. The tumours occurred in nulliparous women aged 22–48 years (average, 33.0 years); three arose in the uterine corpus, and three in the endocervix. Histologically, they were composed of endometrial glands admixed with a stromal component of interlacing bundles of smooth muscle cells. The glands exhibited varying degrees of architectural and cytological atypia. Most of the stromal cells showed strong staining for HHF35, alpha-smooth muscle actin, and vimentin, and some cells contained desmin. Electronmicroscopy, in one case, confirmed the presence of a well-differentiated smooth muscle component. The stromal component may arise as a result of extensive metaplasia of endometrial stromal cells. Uninvolved endometrium showed ciliated cell metaplasia in three patients, and atypical complex hyperplasia in two. One patient had a well-differentiated adenocarcinoma of endometrioid type arising in an endocervical atypical polypoid adenomyoma. All tumours had a diploid DNA content and relatively small S phase fraction (average, 6.23%). The follow-up periods ranged from 4 to 42 months (average, 13.5 months), and all patients were alive and well. Although the histogenesis of atypical polypoid adenomyoma of the uterus remains uncertain, it is suggested that it may arise because of oestrogen-related factors.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2559.1995.tb00288.x
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  • 9
    Digitale Medien
    Digitale Medien
    Atypical leiomyomatous features in myofibroblastoma of the breast (1996)
    Oxford, U.K. and Cambridge, USA : Blackwell Science Ltd
    Histopathology 29 (1996), S. 0 
    Details
    ISSN: 1365-2559
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1046/j.1365-2559.1996.d01-549.x
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  • 10
    Digitale Medien
    Digitale Medien
    Carcinosarcoma of the uterus with extensive neuroectodermal differentiation (1996)
    Oxford, U.K. and Cambridge, USA : Blackwell Science Ltd
    Histopathology 29 (1996), S. 0 
    Details
    ISSN: 1365-2559
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: A case of uterine carcinosarcoma with extensive neuroectodermal differentiation occurring in a 54-year-old woman is described. Microscopically, the endometrial tumour was predominantly composed of a sheet-like proliferation of small- and medium-sized cells. These cells were characterized by fibrillary cytoplasmic processes, rosette-like formations, perivascular palisading patterns, and immunoreactivity for glial fibrillary acidic protein, synaptophysin, leu 7 and neuron-specific enolase. In limited areas, features of conventional carcinosarcoma, including squamous cell carcinoma, leiomyosarcoma and islands of the above mentioned small-to medium-sized cells that were intermingled, were observed. The tumour was aneuploid by flow cytometry. The patient is alive with tumour for three months. It is suggested that at least some cases of uterine primitive neuroectodermal tumour may be explained by one-sided neuroectodermal development within a carcinosarcoma.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1046/j.1365-2559.1996.d01-532.x
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