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Article
Polarization-Engineered Enhancement-Mode High-Electron-Mobility Transistors Using Quaternary AlInGaN Barrier Layers
Group III nitride heterostructures with low polarization difference recently moved into the focus of research for realization of enhancement-mode (e-mode) transistors. Quaternary AlInGaN layers as barriers in ...
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Article
Growth Studies on Quaternary AlInGaN Layers for HEMT Application
Quaternary barrier layers for GaN-based high-electron-mobility transistors (HEMT) have recently been a focus of interest because of the possible lattice-matched growth to GaN. This results in a reduction of st...
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Article
Elementary processes at nanoparticulate photocatalysts
The paper is a mini review on the authors own work related to laser induced processes at metal nanoparticle/oxidic support systems. A number of aspects will be addressed ranging from the nano particle size dep...
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Article
Fast-track surgery in laparoscopic radical prostatectomy: basic principles
Fast-track surgery describes innovative treatment concepts ensuring a faster convalescence phase. The aim of this study was to allow hospital discharge 3 days after surgery without additional complications in ...
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Article
Nierentransplantation im Kindes- und Jugendalter
Die Ursachen der terminalen Niereninsuffizienz im Kindesalter unterscheiden sich deutlich von denen des Erwachsenenalters. Die Therapie der Wahl besteht in der Nierentransplantation. In Deutschland wurden im J...
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Article
Regulating apoptosis in fibroblasts
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Article
Long-term exposure of rheumatoid arthritis synovial fibroblasts to tumor necrosis factor alpha inhibits FasL-mediated apoptosis through activation of NF-κB and upregulation of the small ubiquitin-like modifier SUMO-1
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Article
Nonmyeloablative stem cell transplantation in metastatic renal cell carcinoma: delayed graft-versus-tumor effect is associated with chimerism conversion but transplantation has high toxicity
Seven out of 29 patients with metastatic renal cell carcinoma (RCC) considered eligible for allogeneic stem cell transplantation underwent nonmyeloablative stem cell transplantation (NST) from HLA-identical do...
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Article
Involvement of SUMO-1 in the regulation of apoptosis in prosthesis loosening fibroblasts
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Article
Adsorbate-induced roughening of nanosized palladium particles after coherent laser excitation
Femtosecond laser induced adsorption site changes of CO at nanoparticulate palladium aggregates have been investigated using laser light at λ=400 nm and pulse lengths of 70 fs. The average sizes of the aggrega...
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Article
Tumor type M2 pyruvate kinase expression in metastatic renal cell carcinoma
The M2 isoenzyme of pyruvate kinase (M2-PK) is specifically expressed in tumor cells (TuM2-PK) and has been detected in the peripheral blood of patients with renal cell carcinoma (RCC). TuM2-PK is not useful a...
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Article
Die laparoskopische Nierenbeckenplastik mit Kontinuitätstrennung nach Anderson-Hynes
Mit dem Vorsatz die Invasivität dieses Eingriffs zu reduzieren führten wir im August 1997 die laparoskopische Nierenbeckenplastik mit Kontinuitätstrennung nach Anderson-Hynes in das Repertoire der Urologischen...
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Article
Verbesserung der Hämostase bei laparoskopischen und offenen Teilnephrektomien durch Gelatine-Thrombin-Matrix (FloSeal)
Eine Reihe von Studien hat gezeigt, dass beim Nierenzellkarzinom eine effektive Kontrolle des Primärtumors und ein langzeitiges tumorfreies Überleben durch nierenparenchymschonende Eingriffe erzielt werden kan...
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Article
Nierenzellkarzinom mit suprahepatischem V. -cava-Befall (Stadium III und IV nach Staehler)
Die operative Behandlung von Patienten mit Nierenzellkarzinomen (NZK) und suprahepatisch-infradiaphragmalem oder supradiaphragmalem Vena-cava-Befall (Stadium III und IV nach Staehler) stellt nach wie vor eine ...
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Article
Die radikale Prostatektomie beim klinisch lokalisierten Prostatakarzinom Pro laparoskopischer Zugangsweg
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Chapter
Lake ice microbial communities in alpine and antarctic lakes
The observation that metabolic processes are reduced or completely inhibited at freezing temperatures has influenced microbial ecologists and limnologists, who have commonly concentrated on warm seasons and te...
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Article
A Curious Optical Phenomenon
DR. LAUDER BRUNTON has asked me to give you an account of a very curious phenomenon witnessed from the top of Gausta mountain (height 6000 Norwegian feet) in Telemarken, south of Norway.
