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83篇 您的检索式:作者名="Niehus"
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1Thickness determination of MoS2,MoSe2,WS2 and WSe2 on transparent stamps used for deterministic transfer of 2D materials显示文摘Here,we propose a method to determine the thickness of the most common transition metal dichalcogenides (TMDCs) placed on the surface of transparent stamps,used for the deterministic placement of two-dimensional materials,by analyzing the red,green and blue channels of transmission-mode optical microscopy images of the samples.In particular,the blue channel transmittance shows a large and monotonic thickness dependence,making it a very convenient probe of the flake thickness.The method proves to be robust given the small flake-to-flake variation and the insensitivity to doping changes of MoS2.We also tested the method for MoSe2,WS2 and WSe2.These results provide a reference guide to identify the number of layers of this family of materials on transparent substrates only using optical microscopy.Najme S. Taghavi Patricia Gant Peng Huang Iris Niehues Robert Schmidt Steffen Michaelis de Vasconcellos Rudolf Bratschitsch Mar Garcia-Hernandez Riccardo Frisenda Andres Castellanos-Gomez 2019Nano Research2019,12,7:3
2An ethnopharmacological survey and in vitro confirmation of ethnopharmacological use of medicinal plants used for wound healing in Bosomtwi-Atwima-Kwanwoma area, Ghana显示文摘Christian Agyare Alex Asase Matthias Lechtenberg Michael Niehues Alexandra Deters Andreas Hensel 2009Journal of Ethnopharmacology2009,,3:2
3More than just SCID- the phenotypic range of combined immunodeficiencies associated with mutations in the recombinase activating genes(RAG)1 and 2显示文摘Niehues T Perez-Becker R Schuetz C 2010Clin Immunol2010,135,2:1
4Haglund's syndrome:disappointing results following surgery:a clinical and radiographic analysis显示文摘Schnieder W Niehus W Knahr K 0,,01:1
5The importance of biologicals in the treatment of SoJIA 显示文摘Dtickers G Niehues T 2010Z Rheumatol2010,69,6:1
6Miniature pigs as an animalmodel for implant research : bone regeneration in critical-sizede-fects显示文摘Ruehe B Niehues S Heberer S 2009Oral Surg Oral Med Oral Pathol Oral Radiol Endod2009,108,5:1
7Late prosthetic valve endorcaditis显示文摘HORSTKOTTE D PIPER C NIEHUES R 1995Eur Heart J1995,16,:1
8Extent of liver resection modulates the activation of transcription factors and the production of cytokines involved in liver regeneration显示文摘AIM:To investigate the molecular events involved in liver regeneration following subtotal hepatectomy (SH) as previous studies have largely focused on partial hepatectomy (PH). METHODS: Male Wistar rats were subjected to 70% PH or 90% SH, respectively, and sacrificed at different times after surgery. Untreated and sham-operated animals served as controls. Serum and liver samples were obtained to investigate liver function, apoptosis (TUNEL assay) and transcription factors (NF-κB,Stat3; ELISA) or cytokines (HGF, TNF-a,IL-6,TGF-a,TGF-b; quantitative RT-PCR) involved in liver regeneration. RESULTS:Serum levels of ALT and AST in animals with 70% PH differed significantly from sham-operated and control animals. We found that the peak concentration 12 h after surgery returned to control levels 7 d after surgery. LDH was increased only at 12 h after 70% PH compared to sham. Bilirubin showed no differences between the sham and 70% resection. After PH, early NF-κB activation was detected 12 h after surgery (313.21±17.22 ng/mL), while there was no activation after SH (125.22 ± 44.36 ng/mL) compared to controls (111.43±32.68 ng/mL) at this time point. In SH, however, NF-κB activation was delayed until 24 h (475.56±144.29 ng/mL). Stat3 activation was similar in both groups. These findings correlated with suppressed and delayed induction of regenerative genes after SH (i.e. TNF-a 24 h postoperatively: 2375±1220 in 70% and 88±31 in 90%; IL-6 12h postoperatively:2547±441 in 70% and 173±82 in 90%). TUNEL staining revealed elevated apoptosis rates in SH (0.44% at 24 h;0.63% at 7d) compared to PH (0.27% at 24h; 0.15% at 7d). CONCLUSION: The molecular events involved in liver regeneration are significantly influenced by the extent of resection as SH leads to suppression and delay of liver regeneration compared to PH, which is associated with delayed activation of NF-κB and suppression of proregenerative cytokines.Jan-Peter Sowa Jan Best Tamas Benko Maximillian Bockhorn Yanli Gu Eva-Maria Niehues Agnieska Bucchi Eva-Maria Benedetto-Castro Guido Gerken Ursula Rauen Jorg Friedrich Schlaak 2008World Journal of Gastroenterology2008,14,46:1
9Dual-wavelength vertical scanning low-coherence interferometric microscope显示文摘Jan Niehues Peter Lehmann Klaus Bobey 2007Applied Optics2007,46,29:1
10Haglund' s syn- drome:Disappointing results following surgery a clinical and radiographic analysis 显示文摘Schneider W Niehus W Knahr K 2000Foot Ankle Int2000,21,1:1
11Imaging diagnosis of retroperitoneal ganglioneuroma in childhood 显示文摘Scherer A Niehues T Engelbrecht V 2001Pediatr Radiol2001,31,2:1
12Miniature pigs as an animal model for implant research:bone regeneration in critical-size defects显示文摘Ruehe B Niehues S Heberer S 2009Oral Surg Oral Med Oral Pathol Oral Radiol Endod2009,108,5:1
13Colchicine use in children and adolescents with familial Mediterranean fever: literature review and consensus statement 显示文摘Kallinich T Haffner D Niehues T 2007Pediatr2007,119,2:1
14Topical tacrolimus is effective against eczema in Wiskott- Aldrich syndrome (WAS) 显示文摘Bienemann K Gudowius S Niehues T 2007Acta Paediatr2007,96,2:1
15Species difference in sensitivity to ethanol's hedonic effects显示文摘Cunningham CL Niehus JS Noble D 1993Alcohol1993,10,2:1
16Evolutionary limits to cooperation in microbial communities显示文摘Oliveira N M Niehus R Foster K R 2014Proceedings of the National Academy of Sciences of the United States of America2014,111,17:1
17Retrospective digital im- age fusion of muhidetector CT and ^18F-FDG PET: clinical value in pancreatic lesions-a prospective study with 104 patients 显示文摘Lemke AJ Niehues SM Hosten N 2004J Nucl Med2004,45,8:1
18Genetic differences in the rewarding and activating effects of morphine and ethanol显示文摘Cunningham CL Niehus DR Malott DH 1992Psychopharmacology (Berl)1992,107,23:1
19Late prosthetic valve endocarditis显示文摘Horstkotte D Piper C Niehues R 1995Eur Heart J1995,16,:1
20Haglund' s syndrome: disap pointing results following surgery:a clinical and radiographic anal ysis显示文摘Schneider W Niehus W Knahr K 2000Foot Ankle Int2000,21,1:1
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