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| 1 | Benign liver tumors in pediatric patients-Review with emphasis on imaging features显示文摘Benign hepatic tumors are commonly observed in adults,but rarely reported in children.The reasons for this remain speculative and the exact data concerning the incidence of these lesions are lacking.Benign hepatic tumors represent a diverse group of epithelial and mesenchymal tumors.In pediatric patients,most benign focal liver lesions are inborn and may grow like the rest of the body.Knowledge of pediatric liver diseases and their imaging appearances is essential in order to make an appropriate differential diagnosis.Selection of the appropriate imaging test is challenging,since it depends on a number of age-related factors.This paper will discuss the most frequently encountered benign liver tumors in children(infantile hepatic hemangioendothelioma,mesenchymal hamartoma,focal nodular hyperplasia,nodular regenerative hyperplasia,and hepatocellular adenoma),as well as a comparison to the current knowledge regarding such tumors in adult patients.The current emphasis is on imaging features,which are helpful not only for the initial diagnosis,but also for pre- and posttreatment evaluation and follow-up.In addition,future perspectives of contrast-enhanced ultrasound(CEUS) in pediatric patients are highlighted,with descriptions of enhancement patterns for each lesion being discussed.The role of advanced imaging tests such as CEUS and magnetic resonance imaging,which allow for non-invasive assessment of liver tumors,is of utmost importance in pediatric patients,especially when repeated imaging tests are needed and radiation exposure should be avoided. | Liliana Chiorean Xin-Wu Cui Andrea Tannapfel Doris Franke Martin Stenzel Wojciech Kosiak Dagmar Schreiber-Dietrich J?rg Jüngert Jian-Min Chang Christoph F Dietrich | 2015 | World Journal of Gastroenterology2015,21,28: | 16 |
| 2 | Magnetic resonance imaging in children and adolescents with chronic inflammatory bowel disease显示文摘Inflammatory bowel diseases(IBD) represent challenges, both from a diagnostic, and therapeutic point of view. Deep-seated anatomic structures are difficult to assess by ultrasound technique alone. As radiation-free alternative cross-sectional imaging method, magnetic resonance imaging of the intestinal structures is costly and time-consuming. Examination of pediatric patients imply additional considerations: reduction of body motions in younger children and consideration of the most appropriate preparation, and examination technique. The demanding Sellink technique is the only means for appropriately distending the lesser intestine in order to detect small bowel strictures. Oral intake of contrast medium(CM) alone shows its limitations regarding distensibility. The need for intravenous contrast media application needs to be considered, too. Active inflammation of both intestinal wall, and mesentery can be demonstrated accurately. Nevertheless, viable alternatives to CM application is desirable, considering non-negligible adverse reactions. Recent data suggest diffusion weighted imaging might fill this diagnostic gap. Irrespective of sequence technique chosen, bowel movement remains a major obstacle. Antispasmolytics in their function as smooth muscle relaxants help in improving image quality, however, their use in children might be off-label. Optimal preparation for the examination and appropriate imaging technique allow for diagnosing typical patterns of changes in IBD, such as bowel wall thickening, ulcers, mural stratification, strictures, creeping fat, and comb sign, and lymphadenopathy. The article gives a detailed overview of current significance of magnetic resonance imaging pediatric patients suffering from IBD, considering indications, limitations, and safety aspects. | Hans-Joachim Mentzel Steffen Reinsch Monika Kurzai Martin Stenzel | 2014 | World Journal of Gastroenterology2014,20,5: | 8 |
| 3 | Phosphoinositide and Inositolpolyphosphate Signalling in Defense Responses of Arabidopsis thaliana Challenged by Mechanical Wounding显示文摘各种各样的生物化学的信号在 Arabidopsis 创伤发信号被含有,包括 jasmonic 酸(JA ) ,水杨酸酸,植物生长素,和 Ca2+ 。这里,我们与 phosphoinositide 在植物激素的串音上报导信号不以前在植物创伤回答含有。在 30 以内 ? Arabidopsis 插座叶子的机械伤害的 min,导出类脂化合物的可溶的 inositolpolyphosphate 的层次,肌醇 1,4,5-trisphosphate (InsP3 ) ,增加了四到五倍。附随地,先锋类脂化合物, phosphatidylinositol 4,5-bisphosphate, phosphatidylinositol 4 磷酸盐和 phosphatidylinositol 短暂地弄空,在 3060 以后由重新合成列在后面 ? 刺激的 min。有伤害的增加的 InsP3 层次在刺激的第一个小时与 JA 与增加一致。在在 JA 生合成缺乏的 dde2-2-mutant 植物,没有 InsP3 增加在伤害之上被观察,显示 JA 为层次在与山梨糖醇质问的野类型的植物增加了的 InsP3 形成,和 InsP3 被要求,增加内长的 JA 层次。在有稀释 phosphoinositide 发信号的 InsP 5-ptase 植物,创伤可诱导的基因的正式就职与野类型的植物相比被减少,建议为在调停表明植物创伤回答的 phosphoinositide 的一个角色。基因表示模式建议 phosphoinositides 贡献发信号弯屈的 JA 依赖、 JA 独立的方面。在 InsP 5-ptase 植物上喂的 Plutella xylostella 毛虫的重量获得与在野类型的植物上喂的毛虫的相比被增加。在对 herbivory 的植物防卫回答的 phosphoinositide 信号的 ecophysiological 关联在植物激素受体功能考虑到 inositolpolyphosphate 参与的最近的调查结果被讨论。 | Alina Mosblech Sabine Konig Irene Stenzel Peter Grzeganek Ivo Feussner Ingo Heilmann | 2008 | Molecular Plant2008,1,2: | 5 |
| 4 | Optical coatings:trends and challenges显示文摘New applications in optoelectronics, photonics, telecommunication, displays, optical data processing, biomedicine, sensors, energy control, automobile, aerospace, and architecture stimulation are important developments in physics and technology of optical coatings. This paper will focus on the latest advances in the areas of new optical film systems and devices, new optical coating materials and film fabrication techniques, process control and monitoring, and different advanced applications. Particularly, focus is on optical films that combine optical design with microstructural features tailored on the nanometer and micrometer scales. Evaluation of film stability and integrity in harsh industrial environments and their compatibility with organic polymers are important as well. | Norbert Kaiser Torsten Feigl Olaf Stenzel Ulrike Schulz | 2005 | 光学精密工程2005,13,4: | 2 |
| 5 | Shining light on transition metal sulfides:New choices as highly efficient antibacterial agents显示文摘Globally,millions of people die of microbial infection-related diseases every year.The more terrible situation is that due to the overuse of antibiotics,especially in developing countries,people are struggling to fight with the bacteria variation.The emergence of super-bacteria will be an intractable environmental and health hazard in the future unless novel bactericidal weapons are mounted.Consequently,it is critical to develop viable antibacterial approaches to sustain the prosperous development of human society.Recent researches indicate that transition metal sulfides(TMSs)represent prominent bactericidal application potential owing to the meritorious antibacterial performance,acceptable biocompatibility,high solar energy utilization efficiency,and excellent photo-to-thermal conversion characteristics,and thus,a comprehensive review on the recent advances in this area would be beneficial for the future development.In this review article,we start with the antibacterial mechanisms of TMSs to provide a preliminary understanding.Thereafter,the state-of-the-art research progresses on the strategies for TMSs materials engineering so as to promote their antibacterial properties are systematically surveyed and summarized,followed by a summary of the practical application scenarios of TMSs-based antibacterial platforms.Finally,based on the thorough survey and analysis,we emphasize the challenges and future development trends in this area. | Hecheng Han Jingjing Yang Xiaoyan Li Yuan Qi Zhengyi Yang Zejun Han Yanyan Jiang Martina Stenzel Hui Li Yixin Yin Yi Du Jiurong Liu Fenglong Wang | 2021 | Nano Research2021,14,8: | 2 |
| 6 | Fabrication and characterization of rugate structures composed of SiO_2 and Nb_2O_5显示文摘Gradient index layers and rugate structures were fabricated on a Leybold Syrus pro deposition system by plasma-assisted coevaporation of the low index material silica and the high index material niobium pentoxide. To obtain information about the compositional profiles of the produced layers, cross sectional transmission electron microscopy was used in assistance to deposition rate data recorded by two independent crystal monitors during the film preparation. The depth dependent concentration profiles were transformed to refractive index gradients by means of effective medium approximation. Based on the refractive index gradients the corresponding samples` transmission and reflection spectra could be calculated by utilizing matrix formalism. The relevance of the established refractive index profiles could be verified by comparison of the calculated spectra with the measured ones. | R. Leitel O. Stenzel S. Wilbrandt 1 D. Gbler V. Janicki N. Kaiser | 2005 | 光学精密工程2005,13,4: | 2 |
| 7 | A novel antibacterial titania coating: Metal ion toxicity and in vitro surface colonization显示文摘 | F. Heidenau W. Mittelmeier R. Detsch M. Haenle F. Stenzel G. Ziegler H. Gollwitzer | 2005 | Journal of Materials Science: Materials in Medicine2005,,10: | 2 |
| 8 | The ultrastructural architecture of the adult Schistosoma japonicum tegument显示文摘 | Gobert GN Stenzel DJ McManus DP | 2003 | Int J Parasitol2003,33,14: | 1 |
| 9 | Local immunity of the respiratory mucosal system in chickens and turkeys显示文摘 | M. ?mia?ek B. Tyka?owski T. Stenzel A. Koncicki | 2011 | Polish Journal of Veterinary Sciences2011,,2: | 1 |
| 10 | Posttransplant lymphoproliferative disorder following nonmyeloablative allogeneic stem cell transplantation显示文摘 | Snyder M J Stenzel T T Buckley P J | 2004 | Am J Surg Pathol2004,28,: | 1 |
| 11 | Whipple disease confined to the central nervous system presenting as a solitary frontal tumor 显示文摘 | Lohr M Stenzel W Plum G | 2004 | J Neurosurg2004,101,: | 1 |
| 12 | Computed tomography angiography and myocardial computed tomography perfusion in patients with coronary stents: prospective intraindividual comparison with conventional coronary angiography显示文摘 | Rief M Zimmermann E Stenzel F | 2013 | Journal of the American College of Cardiology2013,62,16: | 1 |
| 13 | Plasma patterning of Poly (3, 4 - ethylenedioxythiophene) : Poly(styrenesulfonate) anodes for efficient polymer solar cells显示文摘 | COLSMANN A STENZEL F BALTHASAR G | 2009 | Thin Solid Films2009,517,5: | 1 |
| 14 | Immunolocalization of schistosome proteins显示文摘 | Gorbert GN Stenzel DJ Jones MK | 1998 | Microsc Res Tech1998,42,3: | 1 |
| 15 | PTEN gene mutations are seen in high-grade but not in low-grade gliomas显示文摘 | Rasheed B K Stenzel T T Mclendon R E | 1997 | Cancer Res1997,57,19: | 1 |
| 16 | The ultrastructural architecture of the adult Schistosoma japonicum tegument 显示文摘 | Gobert GN Stenzel DJ McManus DP | 2003 | Int J Parasitol2003,33,14: | 1 |
| 17 | A family of ca-thepsin B cysteine proteases expressed in the gut of thehuman hookworm,Necator americanus显示文摘 | RANJIT N ZHAN B STENZEL D J | 2008 | Mol BiochemParasitol2008,160,2: | 1 |
| 18 | Enhancing adherence to HAART:A pilot program of modified directly observed therapy显示文摘 | Stenzel MS Mckenzie M Mitty JA | 2001 | AIDS Reader2001,11,: | 1 |
| 19 | Increased binding of epidermal growth factor to placental membranes of intrauterine growth restricted fetal rats显示文摘 | Lawrence S Stenzel W Warshaw JB | 1989 | Pediatr Res1989,25,2: | 1 |
| 20 | Complex macromolecular architectures by reversible addition fragmentation chain transfer chemistry: Theory and practice 显示文摘 | Leonie Barner Thomas P Davis Martina H Stenzel | 2007 | Macromol Rapid Commun2007,28,5: | 1 |