Matthias Büchele

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40 patients undergoing primary hip arthroplasty, given autologous processed blood transfusion, were randomized a receive no antibiotic prophylaxis (group A, n 20) or cefuroxime (1.5 g single injection; group B, n 20). Bacterial contamination at various steps in the autotransfusion procedure was assessed in liquid and solid culture media. The operation field(More)
UNLABELLED We investigated the buried interface between monocrystalline n-type silicon (n-Si) and the highly conductive polymer poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) ( PEDOT PSS), which is successfully applied as a hole selective contact in hybrid solar cells. We show that a post-treatment of the polymer films by immersion in a suitable(More)
MATERIALS AND METHODS In a prospective randomized study we investigated the effect of hemodilution on cefuroxime levels and bacterial contamination of processed shed blood during hip arthroplasty. 10 patients received cefuroxime 1,5 g as single shot prophylaxis before (group A), 10 after hemodilution (15 ml/KG) (group B). Cefuroxime levels in serum 1 h(More)
Vertically aligned hexagonal InN nanorods were grown mask-free by conventional metal-organic vapor phase epitaxy without any foreign catalyst. The In droplets on top of the nanorods indicate a self-catalytic vapor-liquid-solid growth mode. A systematic study on important growth parameters has been carried out for the optimization of nanorod morphology. The(More)
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