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https://www.readbyqxmd.com/read/28211066/how-computational-methods-and-relativistic-effects-influence-the-study-of-chemical-reactions-involving-ru-no-complexes
#1
Renato Pereira Orenha, Régis Tadeu Santiago, Roberto Luiz Andrade Haiduke, Sérgio Emanuel Galembeck
Two treatments of relativistic effects, namely effective core potentials (ECP) and all-electron scalar relativistic effects (DKH2), are used to obtain geometries and chemical reaction energies for a series of ruthenium complexes in B3LYP/def2-TZVP calculations. Specifically, the reaction energies of reduction (A-F), isomerization (G-I), and Cl(-) negative trans influence in relation to NH3 (J-L) are considered. The ECP and DKH2 approaches provided geometric parameters close to experimental data and the same ordering for energy changes of reactions A-L...
February 16, 2017: Journal of Computational Chemistry
https://www.readbyqxmd.com/read/28196415/hierarchical-assembly-of-tough-bioelastomeric-egg-capsules-is-mediated-by-a-bundling-protein
#2
Jun Jie Loke, Akshita Kumar, Shawn Hoon, Chandra S Verma, Ali Miserez
Marine snail egg capsules are shock-absorbing bio-elastomers made from precursor "egg case proteins" (ECPs) that initially lack long-range order. During capsule formation, these proteins self-assemble into coiled-coil filaments that subsequently align into microscopic layers, a multi-scale process which is crucial to the capsules' shock-absorbing properties. In this study, we show that the self-assembly of ECPs into their functional capsule material is mediated by a bundling protein that facilitates the aggregation of coiled-coil building blocks and their gelation into a pre-final capsule prior to final stabilization...
February 14, 2017: Biomacromolecules
https://www.readbyqxmd.com/read/28192935/pre-polarized-hydrophobic-conducting-polymer-solid-contact-ion-selective-electrodes-with-improved-potential-reproducibility
#3
Ning He, Soma Papp, Tom Lindfors, Lajos Höfler, Rose-Marie Latonen, Róbert E Gyurcsányi
Electrically conducting polymers (ECPs) are one of the most popular types of materials to interface ion-selective membranes (ISMs) with electron-conducting substrates to construct solid-contact ion-selective electrodes (SCISEs). For optimal ion-to-electron transduction and potential stability, the p-doped ECPs with low oxidation potentials such as PPy need to be generally in their conducting form along with providing a sufficiently hydrophobic interface to counteract the aqueous layer formation. The first criterion requires that the ECPs are in their oxidized state, but the high charge density of this state is detrimental for the prevention of the aqueous layer formation...
February 9, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28189520/the-use-of-a-medico-economic-database-as-a-part-of-french-apheresis-registry
#4
REVIEW
T Kanouni, P Aubas, F Heshmati
An apheresis registry is a part of each learned apheresis society. The interest in this is obvious, in terms of knowledge of the practice of apheresis, adverse events, and technical issues. However, because of the weight of data entry it could never be exhaustive and some data will be missing. While continuing our registry efforts and our efforts to match with other existing registries, we decided to extend the data collection to a medico-economic database that is available in France, the Programme de Médicalisation du Système d'Information (PMSI) that has covered reimbursement information for each public or private hospital since 2007...
December 30, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28162123/dictionary-indexing-of-electron-channeling-patterns
#5
Saransh Singh, Marc De Graef
The dictionary-based approach to the indexing of diffraction patterns is applied to electron channeling patterns (ECPs). The main ingredients of the dictionary method are introduced, including the generalized forward projector (GFP), the relevant detector model, and a scheme to uniformly sample orientation space using the "cubochoric" representation. The GFP is used to compute an ECP "master" pattern. Derivative free optimization algorithms, including the Nelder-Mead simplex and the bound optimization by quadratic approximation are used to determine the correct detector parameters and to refine the orientation obtained from the dictionary approach...
February 6, 2017: Microscopy and Microanalysis
https://www.readbyqxmd.com/read/28123509/different-roles-of-staphylococcus-aureus-enterotoxin-in-different-subtypes-of-nasal-polyps
#6
Ke-Jia Cheng, Shen-Qing Wang, Ying-Ying Xu
Chronic rhinosinusitis with nasal polyps (CRSwNP) is a multifactorial disease. The pathogenesis of CRSwNP remains unclear. This study was designed to investigate the role of inflammation and Staphylococcus aureus enterotoxin (SE) in this disease. The study included a total of 74 patients with CRSwNP and 6 controls. A serum Phadiatop assay was conducted to detect atopy status, and serum eosinophil cationic protein (ECP) and total immunoglobulin (Ig)E levels were determined using ELISA. SEA, SEB, total IgE, ECP and myeloperoxidase (MPO) levels in nasal tissue supernatant were measured using ELISA...
January 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28102059/v%C3%AE-1%C3%A2-%C2%BA-%C3%AE-%C3%AE-t-cells-are-correlated-with-increasing-expression-of-eosinophil-cationic-protein-and-metalloproteinase-7-in-chronic-rhinosinusitis-with-nasal-polyps-inducing-the-formation-of-edema
#7
Luo Ying Yang, Xia Li, Wen Ting Li, Jian Cong Huang, Zhi Yuan Wang, Zi Zhen Huang, Li Hong Chang, Ge Hua Zhang
PURPOSE: We have found that expression of γδT cells is increased in pathological mucosa of chronic rhinosinusitis with nasal polyps (CRSwNP) compared with normal nasal mucosa. This increase is correlated with the infiltration of eosinophils in CRSwNP. Here, we investigated the expression of γδT cells, inflammation and tissue remodeling factors as well as their probable relationships in different types of chronic rhinosinusitis (CRS) in China. METHODS: A total of 76 surgical tissue samples that included 43 CRSwNP samples (15 eosinophilic and 28 non-eosinophilic), 17 CRS samples without nasal polyps (CRSsNP), and 16 controls were obtained...
March 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28100959/hydrogen-rich-saline-attenuates-eosinophil-activation-in-a-guinea-pig-model-of-allergic-rhinitis-via-reducing-oxidative-stress
#8
Shaoqing Yu, Chuanliang Zhao, Na Che, Lin Jing, Rongming Ge
BACKGROUND: It is well considered that reactive oxygen species (ROS) plays a prominent causative role in the development of allergic rhinitis (AR), and eosinophils cells as important allergic inflammatory cells contribute to elevating oxidative stress. Hydrogen, emerging as a novel antioxidant, has been proven effective in selectively reducing ROS in animals models of oxidative damage. We herein aim to verify protective effects of hydrogen on eosinophils cells in guinea pigs models of AR...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/28094112/extracorporeal-photopheresis-for-bronchiolitis-obliterans-syndrome-after-allogeneic-stem-cell-transplant-an-emerging-therapeutic-approach
#9
REVIEW
Claudia Del Fante, Cesare Perotti
Bronchiolitis obliterans syndrome (BOS) is the main manifestation of pulmonary GVHD. It has often a dramatic and fast evolution and current treatment (change or increase in immunosuppression, macrolides and inhaled therapy) is poor with high mortality rates. In this scenario, extracorporeal photopheresis (ECP) bursts as a new immunomodulatory approach with a different philosophical purpose. In fact, available data show that ECP treatment is intended to delay the inflammatory process and consequently respiratory lung function decline, rather than reverse the damage itself...
January 13, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28092829/enhancing-4-propylheptane-dissociation-with-nickel-nanocluster-based-on-molecular-dynamics-simulations
#10
Margarita G Ilyina, Edward M Khamitov, Rail N Galiakhmetov, Ildar A Mustafin, Akhat G Mustafin
In the present work, a 0.4nm nickel cluster has been theoretically studied. Its equilibrium structural parameters have been calculated by the DFT method based on the PBEH1PBE hybrid functional and split-valence basis set Lanl2DZ including effective core potentials. We have systematically considered diverse spin states of this cluster and find out its ground state. The relative stability of these states depends on the HOMO-LUMO gap. The interaction of the Ni6 with 4-propylheptane С10Н22 has been studied to simulate the process of catalytic cracking of hydrocarbons...
January 3, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28090260/redefining-effusive-constrictive-pericarditis-with-echocardiography
#11
Pieter van der Bijl, Philip Herbst, Anton F Doubell
BACKGROUND: Effusive-constrictive pericarditis (ECP) is traditionally diagnosed by using the expensive and invasive technique of direct pressure measurements in the pericardial space and the right atrium. The aim of this study was to assess the diagnostic role of echocardiography in tuberculous ECP. METHODS: Intrapericardial and right atrial pressures were measured pre- and post-pericardiocentesis, and right ventricular and left ventricular pressures were measured post-pericardiocentesis in patients with tuberculous pericardial effusions...
December 2016: Journal of Cardiovascular Ultrasound
https://www.readbyqxmd.com/read/28089409/the-italian-registry-of-therapeutic-apheresis-2015
#12
REVIEW
Giustina De Silvestro
Data collection on apheresis activities in Italy throughout 2015 including techniques, clinical indications and adverse effects was performed by means of a SidEM model questionnaire (aggregate data). These data provided by 67 Apheresis Units from 17 Italian regions, albeit rough, are sufficiently informative, mainly in comparison with previous surveys on these statistics. PEx has been the most frequent technique for plasma removal/treatment (11787 procedures) followed by LDL-apheresis (927 procedures). ECP/photopheresis has been the most frequent cytapheresis procedure: 6,606 session, mainlyby using the off-line technique...
December 29, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28054389/health-effects-of-laser-printer-emissions-a-controlled-exposure-study
#13
Stefan Karrasch, Myriam Simon, Britta Herbig, Jeanette Langner, Stefan Seeger, Angelika Kronseder, Stefan Peters, Gisela Dietrich-Gümperlein, Rudolf Schierl, Dennis Nowak, Rudolf A Jörres
Ultrafine particles emitted from laser printers are suspected to elicit adverse health effects. We performed 75-minute exposures to emissions of laser printing devices (LPDs) in a standardized, randomized, cross-over manner in 23 healthy subjects, 14 mild, stable asthmatics and 15 persons reporting symptoms associated with LPD emissions. Low level exposures (LLE) ranged at the particle background (3,000 cm(-3) ), high level exposures (HLE) at 100,000 cm(-3) . Examinations before and after exposures included spirometry, body plethysmography, transfer factors for CO and NO (TLCO, TLNO), bronchial and alveolar NO, cytokines in serum and nasal secretions (IL-1β, IL-5, IL-6, IL-8, GM-CSF, IFNγ, TNFα), serum ECP, and IgE...
January 5, 2017: Indoor Air
https://www.readbyqxmd.com/read/28029175/contraceptive-non-use-and-emergency-contraceptive-use-at-first-sexual-intercourse-among-nearly-12-000-scandinavian-women
#14
Sonia Guleria, Kirsten E Juul, Christian Munk, Bo T Hansen, Lisen Arnheim-Dahlström, Kai-Li Liaw, Mari Nygård, Susanne K Kjaer
INTRODUCTION: To describe recent patterns of contraceptive use at first sexual intercourse (FSI) and to examine whether selected factors are associated with non-use and emergency contraceptive pill (ECP) use at FSI, among 18-26-year-old women from Denmark, Norway and Sweden. MATERIAL AND METHODS: This was a population-based, questionnaire study of randomly chosen 18-26-year-old Scandinavian women. The prevalence of contraception methods used at FSI was calculated...
December 28, 2016: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28007431/quantifying-in-vivo-murine-antigen-specific-t-cell-responses-without-requirement-for-prior-knowledge-of-antigen-identity
#15
Nour Kibbi, Enping Hong, Harib Ezaldein, Douglas Hanlon, Tarek Fahmy, Richard Edelson
Extracorporeal Photochemotherapy (ECP) is a widely applied anti-cancer immunotherapy for patients with cutaneous T cell lymphoma (CTCL). By using apoptotic malignant cells as a source of patient-specific tumor antigen, it enables clinically relevant and curative anti-CTCL immunity, with potential efficacy in other tumors. Currentmethods to track patient-specific responses are tedious, and new methods are needed to assess putative global immunity. We developed a clinically practical method to assess antigen-specific T cell activation that does not rely on knowledge of the particular antigen, thereby eliminating the requirement for patient-specific reagents...
November 30, 2016: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/28002338/sputum-pentraxin-3-as-a-candidate-to-assess-airway-inflammation-and-remodeling-in-childhood-asthma
#16
Min Jung Kim, Hee Seon Lee, In Suk Sol, Mi Na Kim, Jung Yeon Hong, Kyung Eun Lee, Yoon Hee Kim, Kyung Won Kim, Myung Hyun Sohn, Kyu-Earn Kim
Pentraxin 3 (PTX3) is a soluble pattern recognition receptor and an acute-phase protein. It has gained attention as a new biomarker reflecting tissue inflammation and damage in a variety of diseases. Aim of this study is to investigate the role of PTX3 in childhood asthma.In total, 260 children (140 patients with asthma and 120 controls) were enrolled. PTX3 levels were measured in sputum supernatants using enzyme-linked immunosorbent assay test. We performed spirometry and methacholine challenge tests and measured the total eosinophil count and the serum levels of total IgE and eosinophil cationic protein (ECP) in all subjects...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27990622/refractive-outcome-of-combined-phacoemulsification-and-endoscopic-cyclophotocoagulation
#17
S Kang, S Luk, H Han, M F Cordeiro, F Ahmed, P Bloom, L Crawley
PURPOSE: To compare the refractive outcome of eyes that underwent phacoemulsification combined with endoscopic cyclophotocoagulation (phaco-ECP) with the eyes that underwent phacoemulsification alone. METHODS: A retrospective case series review of 103 consecutive eyes that underwent phaco-ECP and 62 eyes that underwent phacoemulsification between January 2006 and August 2012 was conducted. Post-operative refractive outcomes were obtained by subjective refraction or autorefraction...
December 19, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27988920/ip-10-is-elevated-in-virus-induced-acute-exacerbations-in-childhood-asthma
#18
Kazuo Suzuki, Masahiko Kato, Shinichi Matsuda, Mariko Nukaga, Mayumi Enseki, Hideyuki Tabata, Kota Hirai, Yoshiyuki Yamada, Kenichi Maruyama, Yasuhide Hayashi, Hiroyuki Mochizuki
OBJECTIVE: Viral infections and sensitization to aeroallergens are major factors in the exacerbation of asthma and its development during early childhood. However, the cytokine profiles and eosinophil activation status linked to the association between viral infections and sensitization to aeroallergens are incompletely understood. Here we investigated respiratory viruses, serum eosinophil cationic protein (ECP), and various cytokines/chemokines in acute exacerbation of childhood asthma...
December 20, 2016: Tokai Journal of Experimental and Clinical Medicine
https://www.readbyqxmd.com/read/27983888/eosinophilic-and-neutrophilic-airway-inflammation-in-the-phenotyping-of-mild-to-moderate-asthma-and-chronic-obstructive-pulmonary-disease
#19
Katarzyna Górska, Magdalena Paplińska-Goryca, Patrycja Nejman-Gryz, Krzysztof Goryca, Rafał Krenke
Asthma and chronic obstructive pulmonary disease (COPD) are heterogeneous diseases with different inflammatory phenotypes. Various inflammatory mediators play a role in these diseases. The aim of this study was to analyze the neutrophilic and eosinophilic airway and systemic inflammation as the phenotypic characterization of patients with asthma and COPD. Twenty-four patients with asthma and 33 patients with COPD were enrolled in the study. All the patients were in mild-to-moderate stage of disease, and none of them were treated with inhaled corticosteroids...
December 16, 2016: COPD
https://www.readbyqxmd.com/read/27981423/establishment-and-characterization-of-a-mid-kidney-cell-line-derived-from-golden-pompano-trachinotus-ovatus-a-new-cell-model-for-virus-pathogenesis-and-toxicology-studies
#20
Lingli Zhou, Pengfei Li, Jiaxin Liu, Songwei Ni, Yepin Yu, Min Yang, Shina Wei, Qiwei Qin
Golden pompano Trachinotus ovatus, a popularly cultured and commercially important marine fish worldwide, has been recognized as a promising candidate for mariculture. However, outbreaks of infectious bacterial or viral diseases and environmental deterioration have led to great economic losses in T. ovatus aquaculture recently. In our research, we established a new mid-kidney cell line, designated as TOK, from golden pompano, T. ovatus. The optimized growth temperature and working concentration of fetal bovine serum (FBS) were 28°C and 10-20%, respectively...
December 15, 2016: In Vitro Cellular & Developmental Biology. Animal
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