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However, the hospitalization rates were similar between the two groups. On the other hand, Syrian patients had more applications during the summer seasons and had higher "Yellow" labels in the emergency triage. CONCLUSION There are differences in the disease patterns of Syrian refugees and Turkish citizens applying to the emergency department. This may be explained by the difficulty in communication which, to our opinion, may be reversed as language barriers are overcome and adaptation to the society is completed over time. This article is protected by copyright. All rights reserved.The thermodynamic stability of 1 1 and 2 1 boron-nitrogen (B←N) adducts formed between aromatic boronic esters with mono- and diamines was studied in solution by NMR and UV-vis spectroscopy with association energies (ΔG°) ranging from -11 to -28 kJ mol-1 . The effect of different substituents in the boronic ester, the nature of the diamine linker, and the effect of the solvent was explored. https://www.selleckchem.com/products/protosappanin-b.html Stable 2 1 B←N adducts with diamines such as 1,3-diaminopropane were produced in solutions of hydrogen-bonding acceptor solvents (acetonitrile and ethyl acetate), which can be isolated in the solid state as crystalline solvates, whereas the use of noncoordinating solvents such as 1,2-dichloroethane afforded mainly 1 1 B←N adducts. In suitable combinations, aromatic bis-pyridyl diamines produced stable 2 1 B←N adducts that were isolated either as solvent-free solids, solvates, or cocrystals. In these crystalline forms, double-tweezer hosts were observed with an exceptional syn/anti conformational guest-adaptability driven by simultaneous donor-acceptor and C-H⋅⋅⋅π interactions in the tweezer cavities, resembling preorganized covalent tweezer hosts. Interestingly, cocrystals with electron-rich guests such as tetrathiafulvalene and pyrene showed non-centrosymmetric crystal lattices with infinite π-stacked donor-acceptor columns. © 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.Ammonia (NH 3 ) electrosynthesis from atmospheric nitrogen (N 2 ) and water is emerging as a promising alternative to energy-intensive Haber-Bosch process, however, such process is actually hard to perform due to the inherent inertness of N 2 molecules together with the low solubility in aqueous solutions. Although lots of active electrocatalysts have been used to electrocatalyze N 2 reduction reaction (NRR), the unsatisfactory NH 3 yields and lower Faraday efficiency from most reports are still far from practical industrial production, and thus considerable research efforts are being devoted to address these problems. Nevertheless, most of the reports still mainly focused on the preparation of electrocatalysts, and largely ignored the summary of optimization-modification strategies for NRR. In this review, a general introduction to the NRR mechanism is initially presented to provide a reasonable guide for the design of highly active catalysts. Then, four categories of NRR electrocatalysts according to chemical compositions are surveyed, as well as several strategies for promoting the catalytic activity and efficiency. Later, the strategies for developing efficient N 2 fixation systems are discussed. Finally, the current challenges and future perspectives in the context of NRR are highlighted. This review would shed some light on the development of highly efficient catalytic systems for NH 3 synthesis and meanwhile stimulate research interests in unexplored but promising research field of NRR. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.Three cyclic silylselenides were prepared in a straightforward manner. Property tuning has been achieved by varying the ring size and the number of embedded selenium atoms. All silylselenides possess improved resistance towards moisture and oxidation as well as high thermal robustness and sufficient volatility with almost zero residues. The six-membered diselenide proved to be particularly superior Se precursors for atomic layer deposition and allowed facile preparation of MoSe2 layers. Their structure and composition have been investigated by Raman and X-ray photoelectron spectroscopy as well as scanning electron microscopy revealing vertically aligned flaky shaped nanosheets. © 2020 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.INTRODUCTION Paroxysmal nocturnal hemoglobinuria (PNH) is caused by a somatic mutation in the PIG-A gene, which encodes for glycosylphosphatidylinositol, a phospholipid membrane that anchors proteins like CD55 and CD59. These proteins are inhibitors of the complement-mediated lysis. PNH is diagnosed by flow cytometry, and treatment with eculizumab improves the life quality of patients with severe clinical compromise. The aim of this work was to evaluate a hemolytic test that allows monitoring the blockade of the alternative complement pathway caused by eculizumab (herein MET test). METHODS There were analyzed a total of 163 serum samples from nine patients with PNH under treatment with eculizumab and ten healthy volunteers like controls. The patients were evaluated for 6 months. The MET test consisted in incubating red blood cells from patients (RBCPNH ) with either acidified serum from healthy volunteers and from patients with PNH. The results can be (a) Positive, (b) Blockade profile, or (c) Negative. RESULTS Seven patients responded favorably to the eculizumab, and the test evidenced the blockade profile. The two remaining patients were nonresponders to the treatment, with a positive MET test. In these patients, the dose was increased. One responded favorably with a blockade profile, and the other continued to be nonresponder. CONCLUSIONS The MET test proved to be a useful tool to monitor the blockade of complement by eculizumab. © 2020 John Wiley & Sons Ltd.Antimony selenide (Sb2Se3) nanostructures enable bifunctional water purifications using a single membrane i) physical separation of water-insoluble oil and ii) photoelectrocatalytic degradation of water-soluble organic. Sb2Se3 nanorods with exposed surfaces of (h00) and (h0l) planes exhibit superhydrophobicity (water contact angle of ~159°) due to extremely low surface energy of those dangling-bond-free van der Waals planes. Superhydrophobic Sb2Se3 nanorods can be produced on mesh-type substrates for the utilization as a membrane for physical water-oil separation. Next, Sb2Se3 exhibits optimal photocathodic response with p-type electrical conductivity under visible-light along the longitudinal crystal direction. This indicates the nanorods can be used as photoelectrocatalytic material for chemical water purification. In this regard, a smart membrane with Sb2Se3 nanostructures was proposed as an incomparable candidate for the integrated water purification, which can accomplish simultaneously water-oil separation as well as photoelectrocatalytic organic degradation in waste water.
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