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  • 1
    Electronic Resource
    Electronic Resource
    Quantitative analysis of W-C:H coatings by EPMA, RBS (ERD) and SIMS (1994)
    Springer
    Microchimica acta 114-115 (1994), S. 525-532 
    Details
    ISSN: 1436-5073
    Keywords: EPMA ; RBS (ERD) ; SIMS ; tribological coatings ; quantitative analysis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract Several analytical techniques have been used to characterize homogeneous films of tungsten-containing hydrogenated carbon (W-C: H), deposited on Si with a film thickness of 1–1.5 μm. Electron probe microanalysis (EPMA) enables one to determine the major components W (3–43 at %) and C, impurities (〈 2 at %) of Ar and O, and the mass thickness (300–1800 μg/cm2) of the films. The agreement between the results of EPMA and the data (W-content, mass thickness) provided by Rutherford backscattering spectrometry (RBS) is 5–10% relative. Quantitative analysis of hydrogen in W-C:H films (1–16 at %) is carried out by the technique of elastic recoil detection (ERD). A suitable scheme for the determination of H in W-C: H films by SIMS is proposed, based on monitoring the intensity ratio of HCs+/CCs+ secondary ions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01244579
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  • 2
    Electronic Resource
    Electronic Resource
    Localization of human epidermal growth factor receptor in cervical intraepithelial neoplasias (1989)
    Springer
    Journal of cancer research and clinical oncology 115 (1989), S. 259-263 
    Details
    ISSN: 1432-1335
    Keywords: Cervix ; EGF-receptor ; Human papilloma virus typing
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Immunohistochemical staining of epidermal growth factor receptor (EGF-R) with a monoclonal antibody was performed in 43 biopsies of cervical tissue. The distribution of the receptors in normal cervical tissue differs from that of cervical intraepithelial neoplasia (CIN) and squamous cell carcinoma of the cervix. Whereas the staining reaction in normal squamous epithelium was confined to the basal and deep parabasal cell layer, in all cervical intraepithelial neoplasias, with or without human papilloma virus association, a homogeneous EGF-R staining reaction could be observed throughout the entire lesion. This means that the dysplasia cells of a CIN I-III, like the tumor cells of a squamous cell carcinoma, have a raised EGF-R content, which in the normal squamous epithelium is usually only found in the basal and deep parabasal cells that are capable of dividing. No EGF-R staining reaction could be detected in the higher, differentiated cell layers of the normal squamous epithelium of the cervix.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00391699
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    Paper (German National Licenses)
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