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  1. No Access

    Article

    Modelling Comparative Efficacy of Drugs with Different Survival Profiles: Ipilimumab, Vemurafenib and Dacarbazine in Advanced Melanoma

    In the absence of head-to-head data, a common method for modelling comparative survival for cost-effectiveness analysis is estimating hazard ratios from trial publications. This assumes that the hazards of mor...

    D. Lee, J. Porter, N. Hertel, A. J. Hatswell, A. Briggs in BioDrugs (2016)

  2. No Access

    Article

    Neutron spectral measurement of the Ohio state research reactor pneumatic tube

    Pneumatic irradiation facilities are used for neutron activation analysis, materials testing, electronics hardening, and radioisotope production. The application of these facilities can benefit from a greater ...

    E. Burgett, N. Hertel, T. Blue… in Journal of Radioanalytical and Nuclear Che… (2009)

  3. No Access

    Article

    Worin unterscheiden sich Patienten mit und ohne komplexe postoperative Akutschmerztherapie?

    Eine adäquate postoperative Akutschmerztherapie ist wesentlich für eine rasche Rekonvaleszenz. Jedoch ist die Kodierung der komplexen Akutschmerztherapie (OPS 8-919) bislang nicht erlösrelevant. Da medizinisch...

    Dr. F.-U. Fricke, N. Hertel, N. Kubitz, D. Assenmacher, H. Schreder in Der Schmerz (2009)

  4. No Access

    Chapter and Conference Paper

    Materials Analysis in the MODEM Project

    The paper presents a set of multimedia courses on material characterization in microelectronics. So far, XPS/ESCA and RBS have been implemented. The courses are the result of a common work between ISA and PHAS...

    F. Pêcheux, Y. Hervé, H. Marchal, N. Hertel, J. P. Stoquert… in Microelectronics Education (1998)

  5. No Access

    Article

    The concentration of twelve elements in the anterior pituitary from human subjects and rats as measured by particle induced X-ray emission (PIXE)

    The concentration of twelve elements—potassium, calcium, manganese, iron, cobalt, nickel, copper, zinc, arsenic, selenium, bromine, and rubidium—in anterior pituitaries from human subjects and rats was measure...

    O. Thorlacius-Ussing, M. Gregersen, N. Hertel in Biological Trace Element Research (1988)

  6. No Access

    Chapter and Conference Paper

    Investigations of Biological Specimens with the X-Ray Microscope at BESSY

    X-ray microscopy experiments on dry and wet specimens have been performed with the Göttingen x-ray microscope (XM) [1] using the x-ray wavelength of 4.5 nm. The microscope was operated in the phase contrast mo...

    G. Nyakatura, W. Meyer-Ilse, P. Guttmann, B. Niemann, D. Rudolph… in X-Ray Microscopy II (1988)

  7. No Access

    Article

    The dithizone, Timm's sulphide silver and the selenium methods demonstrate a chelatable pool of zinc in CNS

    From rats intravitally treated with dithizone (diphenyl-thiocarbazone) brains and spinal cords were removed and freeze-dried. The dithizonates present in the CNS tissue were extracted with carbon tetrachloride...

    G. Danscher, G. Howell, J. Pérez-Clausell, N. Hertel in Histochemistry (1985)

  8. No Access

    Article

    X-Ray standing wave analysis of bismuth implanted in Si(110)

    Perfect crystal silicon samples implanted with 60 KeV Bi atoms along the [110] surface normal direction were analyzed with X-ray standing waves. Two reflection orders, (220) and (440) were used with synchrontr...

    N. Hertel, G. Materlik, J. Zegenhagen in Zeitschrift für Physik B Condensed Matter (1985)

  9. No Access

    Article

    Experimental setup for transmission channeling of MeV ions to study edge dislocations

    An experimental facility was built where thin metal (Ta) crystals, with known thickness, could be studied by transmission channeling of MeV ions. The details of obtaining a faint beam (1.5–3.6 MeV) of constant...

    P. K. Bhattacharya, S. K. Andersen, J. Chevallier, N. Hertel in Applied physics (1980)