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  1. Article

    Open Access

    Enabling magnetic pulse welding for dissimilar tubular arrester cable joints

    Climate change exacerbates the need for resource-efficient and cost-effective production processes across manifold industries, including the field of electrical connections. This specific field is characterize...

    M. Graß, N. Sommer, S. Böhm in Welding in the World (2024)

  2. Article

    Open Access

    High-Strength Dissimilar Welds Between a NiTi Shape Memory Alloy and Titanium Obtained by Intermixing Niobium Using Pulsed Laser Beam Welding

    Joining of NiTi shape memory alloys with commercially pure titanium (Ti) is of great interest for manifold industrial applications. However, dissimilar fusion welding of these materials is associated with the ...

    M. Wiegand, N. Sommer, L. Marks, S. Böhm in Metallurgical and Materials Transactions A (2024)

  3. Article

    Open Access

    Electron Beam Welding of Hot-Rolled Fe–Mn–Al–Ni Shape Memory Alloy Sheets

    The present study focuses on the weldability of hot-rolled Fe–Mn–Al–Ni shape memory alloy sheets by vacuum electron beam welding. Tailored process-specific welding parameters, such as preheating with electron ...

    A. Bauer, M. Wiegand, P. Wicke, N. Sommer, M. Vollmer in Shape Memory and Superelasticity (2023)

  4. Article

    Open Access

    Grain growth and precipitation behaviour of AISI 430 ferritic stainless steel subjected to pulsed laser beam welding using free-form pulse sha**

    Ferritic stainless steels are prone to grain coarsening and precipitation of chromium-rich grain boundary phases during fusion welding, which increase intergranular corrosion susceptibility. State-of-the-art t...

    N. Sommer, F. Stredak, M. Wiegand, S. Böhm in Welding in the World (2023)

  5. No Access

    Article

    The novel orally active guanylhydrazone CPSI-2364 prevents postoperative ileus in mice independently of anti-inflammatory vagus nerve signaling

    Postoperative ileus (POI) is an iatrogenic complication of abdominal surgery, mediated by a severe inflammation of the muscularis externa (ME). Previously, we demonstrated that intravenous application of the t...

    S. Wehner, T. O. Vilz, N. Sommer, T. Sielecki in Langenbeck's Archives of Surgery (2012)

  6. No Access

    Article

    Evaluation of systemic targeting of RET oncogene-based MTC with tumor-selective peptide-tagged Ad vectors in clinical mouse models

    Significant advantage of targeted antitumoral treatment consists in the possibility to restrict maximum therapeutic efficacy to the malignant cell population by reducing toxicity in healthy tissues. Using diff...

    A Schmidt, C Eipel, K Fürst, N Sommer, J Pahnke, B M Pützer in Gene Therapy (2011)

  7. No Access

    Chapter and Conference Paper

    Simultaneous Measurement of Local Cortical Blood Flow and Tissue Oxygen Saturation by Near Infra-Red Laser Doppler Flowmetry and Remission Spectroscopy in the Pig Brain

    In the current study we evaluated the combined use of Near-infrared Laser-Doppler flowmetry (NiLDF) and Remission Spectroscopy (RS) for measurement of regional perfusion and oxygen saturation of the cerebral c...

    Bernd Walter, R. Bauer, A. Krug, Th. Derfuss in Intracranial Pressure and Brain Biochemica… (2002)

  8. No Access

    Article

    Treatment of arterial hypertension with diuretics, beta- and calcium channel blockers in old patients

    Hypertension increases in prevalence with age. Population based studies suggest that more than 50% of people over the age of 65 years may have chronic hypertension.¶   Hypertension, especially systolic hypert...

    T. Nikolaus, N. Sommer, C. Becker in Zeitschrift für Gerontologie und Geriatrie (2000)

  9. No Access

    Article

    The antidepressant rolipram suppresses cytokine production and prevents autoimmune encephalomyelitis

    In multiple sclerosis (MS) and its animal model experimental autoimmune encephalomyelitis (EAE) the cytokines tumour necrosis factor-α (TNF), lymphotoxin-α (LT), and interferon-gamma (IFN-γ) are of central pat...

    N. Sommer, P.-A. Löschmann, G.H. Northoff, M. Weller, A. Steinbrecher in Nature Medicine (1995)

  10. No Access

    Chapter

    Astrophotography

    Compared with direct visual observing, photography has the distinct advantage, owing to the light-integrating properties of the photographic emulsion, of being able to record the images of faint objects not wi...

    B. Koch, N. Sommer in Compendium of Practical Astronomy (1994)

  11. No Access

    Article

    Central pontine myelinolysis associated with low potassium levels in alcoholism

    Two patients with chronic alcohol abuse and central pontine myelinolysis are described. One developed a Korsakoff syndrome 2 days before admission to our hospital and the other showed signs of a incipient deli...

    M. Bähr, N. Sommer, D. Petersen, H. Wiethölter, J. Dichgans in Journal of Neurology (1990)