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排序方式: 共有122条查询结果,搜索用时 343 毫秒
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Aristeidis S. Tsagkaris Nela Prusova Zbynek Dzuman Jana Pulkrabova Jana Hajslova 《Toxins》2021,13(11)
Cereals represent a widely consumed food commodity that might be contaminated by mycotoxins, resulting not only in potential consumer health risks upon dietary exposure but also significant financial losses due to contaminated batch disposal. Thus, continuous improvement of the performance characteristics of methods to enable an effective monitoring of such contaminants in food supply is highly needed. In this study, an ultra-high-performance liquid chromatography coupled to a hybrid quadrupole orbitrap mass analyzer (UHPLC-q-Orbitrap MS) method was optimized and validated in wheat, maize and rye flour matrices. Nineteen analytes were monitored, including both regulated mycotoxins, e.g., ochratoxin A (OTA) or deoxynivalenol (DON), and non-regulated mycotoxins, such as ergot alkaloids (EAs), which are analytes that are expected to be regulated soon in the EU. Low limits of quantification (LOQ) at the part per trillion level were achieved as well as wide linear ranges (four orders of magnitude) and recovery rates within the 68–104% range. Overall, the developed method attained fit-for-purpose results and it highlights the applicability of high-resolution mass spectrometry (HRMS) detection in mycotoxin food analysis. 相似文献
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Tsivgoulis Georgios Katsanos Aristeidis H. Patousi Athanasia Pikilidou Maria Birbilis Theodosis Mantatzis Michael Yavropoulou Maria Zompola Christina Triantafyllou Sokratis Papanas Nikolaos Skendros Panagiotis Terzoudi Aikaterini Georgiadis George S. Zebekakis Pantelis Maltezos Efstratios Piperidou Charitomeni Heliopoulos Ioannis Vadikolias Konstantinos 《Journal of neurology》2018,265(10):2379-2387
Journal of Neurology - Up to date there is no population-based study from Greece providing long-term data on incidence of both all-cause mortality and stroke recurrence for patients with first ever... 相似文献
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Georgios Tsivgoulis Odysseas Kargiotis Aristeidis H. Katsanos Athanasia Patousi Maria Pikilidou Theodosis Birbilis Michael Mantatzis Lina Palaiodimou Sokratis Triantafyllou Nikolaos Papanas Panagiotis Skendros Aikaterini Terzoudi George S. Georgiadis Efstratios Maltezos Charitomeni Piperidou Aspasia Serdari Aikaterini Theodorou Ignatios Ikonomidis Ioannis Heliopoulos Konstantinos Vadikolias 《Journal of neuroimaging》2019,29(6):737-742
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During medical education, medical students are often frustrated by difficulties in translating theoretical anatomical knowledge and basic surgical skills (suturing, tissue and instrument handling, and local anesthetic administration) into practice. A common etiological factor for this difficulty, among others, is lack of a low-cost and easy-to-assemble low fidelity suturing model. The purpose of this study is the demonstration of a validated, practical, inexpensive, hand-shaped anatomy training model. It is addressed to medical students and graduates that wish to get acquainted with neurovascular anatomy of the hand and improve their basic surgical skills. The model requires only two latex gloves, cotton, and two different color markers per trainee to draw the course of large nerve and vessels. Construction requires less than 15 minutes. For validation, 80 students participated as volunteers in the demonstration course. They evaluated course usefulness and their own confidence after the course. According to the 5-point Likert scale, the participants’ confidence increased in a statistically significant way ( p < 0.05). All participants (100%) stated that their skills were “significantly improved” in terms of instrument handling, anatomy studying, performing digital anesthesia, and suturing technique. Overall experience was rated as “satisfactory” or above. The proposed model enables safe gentle soft-tissue handling, and it resembles a realistic human tissue. Low cost, availability, and fast construction are the most important characteristics, making this validated training model appropriate for acquiring fundamental local anesthesia, respect for hand neurovascular anatomy, and suturing skills. 相似文献
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Juana Dornbusch Martina Walter Andrea Gottschalk Alice Obaje Kerstin Junker Carsten-Henning Ohlmann Matthias Meinhardt Aristeidis Zacharis Stefan Zastrow Olaf Schoffer Marc-Oliver Grimm Stefanie J. Klug Manfred P. Wirth Susanne Fuessel 《Journal of cancer research and clinical oncology》2016,142(6):1171-1182
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Kalliopi Ch. Athanasoula Helen GogasKaterina Polonifi Aristeidis G. VaiopoulosAristidis Polyzos Marina Mantzourani 《Cancer letters》2014
Survivin, a member of the inhibitor of apoptosis protein family, has been associated with protection from cell apoptosis and regulation of mitosis. Survivin exhibits low to undetectable expression in most finally differentiated adult tissues but is abundantly over-expressed in almost all cancers. The aberrant high expression of survivin in cancers is associated with advanced disease, increased rate of tumor recurrence, abbreviated overall survival and resistance to chemo- and radio- therapy. Survivin touches nearly every aspect of cancer and is involved in the initiation, maintenance and development of tumor. Therefore, its significance in cancer dictates the pursuit for anti-survivin cancer therapies. 相似文献
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Charis Bourgioti Konstantina Zafeiropoulou Stavros Fotopoulos Maria Evangelia Nikolaidou Marianna Theodora George Daskalakis Chara Tzavara Konstantinos Chatoupis Evangelia Panourgias Aristeidis Antoniou Anastasia Konstantinidou Lia Angela Moulopoulos 《Journal of magnetic resonance imaging : JMRI》2019,50(2):602-618