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23篇 您的检索式:作者名="Hartmut FRANK"
    题名 作者 年代 出处 被引量
1毛细管区带电泳法快速分离硝基酚和除草剂显示文摘运用毛细管区带电泳法 ,通过在缓冲溶液中添加多阳离子化合物改变电渗流方向的方法 ,快速分离了 11种一取代、二取代和三取代硝基酚及 4种在德国常用的除草剂Bromoxynil,DNOC ,Dinoterb和Ioxynil。使用UV检测 ,这些化合物的检测限在 0 5mg/L~ 1 1mg/L。为满足环境样品分析的要求 ,使用固相萃取方法对样品进行了预处理 ,使硝基酚的检测限达到 1μg/L以下 ,并对实际样品进行了分析。刘学良 王进防 王俊德 商振华 Hartmut FRANK 2001色谱2001,19,2:7
2Proteome analysis of human mesenchymal stem cells undergoing chondrogenesis when exposed to the products of various magnesium-based materials degradation显示文摘Treatment of physeal fractures(15%–30%of all paediatric fractures)remains a challenge as in approximately 10%of the cases,significant growth disturbance may occur.Bioresorbable Magnesium-based implants represent a strategy to minimize damage(i.e.,load support until bone healing without second surgery).Nevertheless,the absence of harmful effects of magnesium-implants and their degradation products on the growth plate should be confirmed.Here,the proteome of human mesenchymal stem cells undergoing chondrogenesis was evaluated when exposed to the products of various Magnesium-based materials degradation.The results of this study indicate that the materials induced regulation of proteins associated with cell chondrogenesis and cartilage formation,which should be beneficial for cartilage regeneration.Adela Helvia Martínez Sánchez Maryam Omidi Marcus Wurlitzer Marceline Manka Fuh Frank Feyerabend Hartmut Schlüter Regine Willumeit-Römer Bérengère J.C.Luthringer 2019Bioactive Materials2019,4,1:2
3A prospective two-center study comparing wireless capsule endoscopy with intraoperative enteroscopy in patients with obscure GI bleeding显示文摘Dirk Hartmann Harald Schmidt Georg Bolz Dieter Schilling Frank Kinzel Axel Eickhoff Winfried Huschner Kathleen M?ller Ralf Jakobs Peter Reitzig Uwe Weickert Klaus Gellert Harald Schultz Klaus Guenther Hartmut Hollerbuhl Klaus Schoenleben Hans-Joachim Schu 2005Gastrointestinal Endoscopy2005,,7:2
4Perfluorooctane surfactants in waste waters, the major source of river pollution显示文摘Anna Maria Becker Silke Gerstmann Hartmut Frank 2008Chemosphere2008,,1:1
5Trifluoroacetate in ocean waters显示文摘Hartmut Frank Eugen H Christoph 0,,:1
6Multi colony ant algorithms显示文摘Martin M Frank R Hartmut S 2002Journal of Heuristics2002,8,:1
7Multi colony ant algorithms显示文摘MARTIN M FRANK R HARTMUT S 2002Journal of Heuristics2002,8,:1
8Multi Colony Ant Algorithms显示文摘Martin Middendorf Frank Reischle Hartmut Schmeck 2002Journal of Heuristics2002,,3:1
9The all-diode-pumped laser system POLARIS——an experimentalist's tool generating ultra-high contrast pulses with high energy显示文摘The development,the underlying technology and the current status of the fully diode-pumped solid-state laser system POLARIS is reviewed.Currently,the POLARIS system delivers 4 J energy,144 fs long laser pulses with an ultra-high temporal contrast of 5 × 1012 for the ASE,which is achieved using a so-called double chirped-pulse amplification scheme and cross-polarized wave generation pulse cleaning.By tightly focusing,the peak intensity exceeds 3.5 × 1020 W cm-2.These parameters predestine POLARIS as a scientific tool well suited for sophisticated experiments,as exemplified by presenting measurements of accelerated proton energies.Recently,an additional amplifier has been added to the laser chain.In the ramp-up phase,pulses from this amplifier are not yet compressed and have not yet reached the anticipated energy.Nevertheless,an output energy of 16.6 J has been achieved so far.Marco Hornung Hartmut Liebetrau Andreas Seidel Sebastian Keppler Alexander Kessler Jrg Krner Marco Hellwing Frank Schorcht Diethard Klpfel Ajay K.Arunachalam Georg A.Becker Alexander Svert Jens Polz Joachim Hein Malte C.Kaluza 2014High Power Laser Science and Engineering2014,2,3:1
10Fluorine-18 fluorodeoxyglucose positron emission tomography in thyroid cancer: results of a multicentre study显示文摘Frank Grünwald Thomas K?licke Ulrich Feine Roland Lietzenmayer Klemens Scheidhauer Markus Dietlein Otmar Schober Hartmut Lerch Katja Brandt-Mainz Wolfgang Burchert Gerhard Hiltermann Uwe Cremerius Hans-Jürgen Biersack 1999European Journal of Nuclear Medicine1999,,12:1
11Studies on the feasibility of a subretinal visual prosthesis: data from Yucatan micropig and rabbit显示文摘Hartmut N. Schwahn Florian Gekeler Konrad Kohler Karin Kobuch Helmut G. Sachs Frank Schulmeyer Wolfgang Jakob Veit-Peter Gabel Eberhart Zrenner 2001Graefe’s Archive for Clinical and Experimental Ophthalmology2001,,12:1
12Fluorine-18 fluorodeoxyglucose positron emission tomography in thyroid cancer: results of a multicentre study显示文摘Frank Grünwald Thomas K?licke Ulrich Feine Roland Lietzenmayer Klemens Scheidhauer Markus Dietlein Otmar Schober Hartmut Lerch Katja Brandt-Mainz Wolfgang Burchert Gerhard Hiltermann Uwe Cremerius Hans-Jürgen Biersack 1999European Journal of Nuclear Medicine1999,,12:1
13Synthesis and characterization of LC side chain AB blockcopolymers显示文摘Bernd Zaschke Willy Frank Hartmut Fischer Klaus Schmutzler Manfred Arnold 1991Polymer Bulletin1991,,1:1
14Multi Colony Ant Algorithms显示文摘Martin Middendorf Frank Reischle Hartmut Schmeck 2002Journal of Heuristics2002,,3:1
15Digital single-operator video cholangioscopy improves endoscopic management in patients with primary sclerosing cholangitis-a retrospective observational study显示文摘BACKGROUND Patients with primary sclerosing cholangitis(PSC)are at a high risk of developing cholestatic liver disease and biliary cancer,and endoscopy is crucial for the complex management of these patients.AIM To clarify the utility of recently introduced digital single-operator video cholangioscopy(SOVC)for the endoscopic management of PSC patients.METHODS In this observational study,all patients with a history of PSC and in whom digital SOVC(using the SpyGlass DS System)was performed between 2015 and 2019 were included and retrospectively analysed.Examinations were performed at a tertiary referral centre in Germany.In total,46 SOVCs performed in 38 patients with a history of PSC were identified.The primary endpoint was the evaluation of dominant biliary strictures using digital SOVC,and the secondary endpoints were the performance of selective guidewire passage across biliary strictures and the diagnosis and treatment of biliary stone disease in PSC patients.RESULTS The 22 of 38 patients had a dominant biliary stricture(57.9%).In 4 of these 22 patients,a cholangiocellular carcinoma was diagnosed within the stricture(18.2%).Diagnostic evaluation of dominant biliary strictures using optical signs showed a sensitivity of 75%and a specificity of 94.4%to detect malignant strictures,whereas SOVC-guided biopsies to gain tissue for histopathological analysis showed a sensitivity of 50%and a specificity of 100%.In 13%of examinations,SOVC was helpful for guidewire passage across biliary strictures that could not be passed by conventional methods(technical success rate 100%).Biliary stone disease was observed in 17.4%of examinations;of these,in 37.5%of examinations,biliary stones could only be visualized by SOVC and not by standard fluoroscopy.Biliary stone treatment was successful in all cases(100%);25%required SOVC-assisted electrohydraulic lithotripsy.Complications,such as postinterventional cholangitis and pancreatitis,occurred in 13%of examinations;however,no procedure-associated mortality occurred.CONCLUSION Digital SOVC is effective and safe for the endoscopic management of PSC patients and may be regularly considered an additive tool for the complex endoscopic management of these patients.Arne Bokemeyer Frank Lenze Viorelia Stoica Timur Selcuk Sensoy Iyad Kabar Hartmut Schmidt Hansjoerg Ullerich 2022World Journal of Gastroenterology2022,28,20:1
16Multi Colony Ant Algorithms显示文摘Martin Middendorf Frank Reischle Hartmut Schmeck 2002Journal of Heuristics2002,8,:1
17Quality control of beer using high-resolution nuclear magnetic resonance spectroscopy and multivariate analysis显示文摘Dirk W Lachenmeier Willi Frank Eberhard Humpfer Hartmut Sch?fer Silke Keller Monika M?rtter Manfred Spraul 2005European Food Research and Technology2005,,2:1
18Multicolony antalgorithms显示文摘Martin M Frank R Hartmut S 2002Journal of Heuristics2002,8,:1
19Multi colony ant algorithms 显示文摘MARTIN M FRANK R HARTMUT S 2002Journal of Heuristics2002,8,:1
20Multi colony ant algorithms显示文摘Martin Middendorf Frank Reischle Hartmut Schmeck 2002Heuristics2002,8,:1
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