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https://www.readbyqxmd.com/read/29778237/prevalence-temporal-evolution-and-impact-on-survival-of-ventricular-conduction-blocks-in-patients-with-acute-coronary-syndrome-and-cardiogenic-shock
#1
Heli Tolppanen, Tuija Javanainen, Jordi Sans-Rosello, Jiri Parenica, Tuomo Nieminen, Marie Pavlusova, Josep Masip, Lars Köber, Marek Banaszewski, Alessandro Sionis, Jindrich Spinar, Veli-Pekka Harjola, Raija Jurkko, Johan Lassus
Changes in QRS duration and pattern are regarded to reflect severe ischemia in acute coronary syndromes (ACS), and ventricular conduction blocks (VCBs) are recognized high-risk markers in both ACS and acute heart failure. Our aim was to evaluate the prevalence, temporal evolution, association with clinical and angiographic parameters, and impact on mortality of VCBs in ACS-related cardiogenic shock (CS). Data of 199 patients with ACS-related CS from a prospective multinational cohort were evaluated with electrocardiogram data from baseline and day 3...
April 20, 2018: American Journal of Cardiology
https://www.readbyqxmd.com/read/29775715/extraction-characterization-and-immunomodulatory-property-of-pectic-polysaccharide-from-pomegranate-peels-enzymatic-vs-conventional-approach
#2
Hassan Ahmadi Gavlighi, Mehdi Tabarsa, SangGuan You, Utoomporn Surayot, Maryam Ghaderi-Ghahfarokhi
Molecular characteristics, structural properties and immunostimulatory activities of polysaccharides from pomegranate peel were evaluated after 0.1 M HCl, Cellic CTec2 and buffer extractions. The isolated polysaccharides were mainly formed of neutral sugars (32.1%-51.1%) and uronic acids (19.9%-30.8%) as well as varying levels of proteins (15.0%-39.5%). Different levels of sugars including glucose (44.9%-68.1%), galactose (14.6%-19.4%), mannose (3.4%-18.1%), arabinose (3.1%-18.1%) and rhamnose (3.5-6.0%) constructed the structure of isolated polysaccharides...
May 15, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29775657/stabilization-of-the-abdominal-aorta-during-the-cardiac-cycle-with-the-sac-anchoring-nellix-device
#3
Nathan K Itoga, Ga-Young Suh, Christopher P Cheng
The Nellix device utilizes polymer filled endobags to stabilize the abdominal aortic aneurysm (AAA) sac described as endovascular aneurysm sealing (EVAS). We analyzed cardiac gated CTA scans of repaired AAA with EVAS in four patients to evaluate geometry and cardiac pulsatility-induced deformation. Graft translation and aortic curvature changes were found to be minimal during the cardiac cycle. The mean±SD changes in renal-aorta angles (1.0±0.9°) were less than the changes in the SMA-aorta angle (4.0±2...
May 15, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29775396/the-importance-of-substrate-compaction-and-chemical-composition-in-the-phytoextraction-of-elements-by-pinus-sylvestris-l
#4
Mirosław Mleczek, Piotr Goliński, Bogusława Waliszewska, Andrzej Mocek, Monika Gąsecka, Magdalena Zborowska, Zuzanna Magdziak, Wojciech J Cichy, Bartłomiej Mazela, Tomisław Kozubik, Agnieszka Mocek-Płóciniak, Waldemar Moliński, Przemysław Niedzielski
Trees of Scots pine (Pinus sylvestris L.) are known for their effective phytoextraction capabilities. The results obtained in this study point to the significant role of substrate composition and chemical characteristics in the phytoextraction potential of this species. A multi-elemental (53 elements) analysis of pines from unpolluted (soil) and polluted (post-flotation tailings) sites was performed using inductively coupled plasma optical emission spectrometry. The analyzed flotation tailings were characterized by alkaline pH (7...
May 18, 2018: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
https://www.readbyqxmd.com/read/29775351/masses-and-%C3%AE-decay-spectroscopy-of-neutron-rich-odd-odd-160-162-eu-nuclei-evidence-for-a-subshell-gap-with-large-deformation-at-n-98
#5
D J Hartley, F G Kondev, R Orford, J A Clark, G Savard, A D Ayangeakaa, S Bottoni, F Buchinger, M T Burkey, M P Carpenter, P Copp, D A Gorelov, K Hicks, C R Hoffman, C Hu, R V F Janssens, J W Klimes, T Lauritsen, J Sethi, D Seweryniak, K S Sharma, H Zhang, S Zhu, Y Zhu
The structure of deformed neutron-rich nuclei in the rare-earth region is of significant interest for both the astrophysics and nuclear structure fields. At present, a complete explanation for the observed peak in the elemental abundances at A∼160 eludes astrophysicists, and models depend on accurate quantities, such as masses, lifetimes, and branching ratios of deformed neutron-rich nuclei in this region. Unusual nuclear structure effects are also observed, such as the unexpectedly low energies of the first 2^{+} levels in some even-even nuclei at N=98...
May 4, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29775013/-effects-of-highly-selective-branches-neurotomy-of-vidian-nerve-with-low-temperature-plasma-on-vasoactive-intestinal-peptide-in-nasal-mucosal-cells-of-patients-with-allergic-rhinitis
#6
P He, X J Jin, H Zhao
Objective: The aim of this study is to investigate the effect of highly selective branches neurotomy of vidian nerve with low temperature plasma on the level of vasoactive intestinal peptide in nasal mucosa of patients with allergic rhinitis. Method: Fifty patients with allergic rhinitis were selected as the experimental group. At the same time, 50 normal adults in our hospital were selected as the control group. Highly selective branches neurotomy of vidian nerve with low temperature plasma was performed to observe the changes of vascular intestinal peptide levels in patients with nasal mucosa and the clinical efficacy...
February 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29773843/loss-of-live-coral-compromises-predator-avoidance-behaviour-in-coral-reef-damselfish
#7
Lisa Boström-Einarsson, Mary C Bonin, Philip L Munday, Geoffrey P Jones
Tropical reefs have experienced an unprecedented loss of live coral in the past few decades and the biodiversity of coral-dependent species is under threat. Many reef fish species decline in abundance as coral cover is lost, yet the mechanisms responsible for these losses are largely unknown. A commonly hypothesised cause of fish decline is the loss of shelter space between branches as dead corals become overgrown by algae. Here we tested this hypothesis by quantifying changes in predator-avoidance behaviour of a common damselfish, Pomacentrus moluccensis, before and after the death of their coral colony...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29773055/crystal-engineering-upcoming-paradigm-for-efficacious-pulmonary-drug-delivery
#8
Preshita P Desai, Sanyat S Mapara, Vandana B Patravale
BACKGROUND AND OBJECTIVE: Pulmonary drug delivery has transformed over a past few decades from being a platform for local pulmonary disease treatment to systemic drug delivery opportunities. In case of pulmonary delivery systems, particle properties are critical as they affect inhalation efficacy, pulmonary deposition, drug delivery and overall performance. With this in view, particle engineering has emerged as an advanced science that helps in designing of efficacious pulmonary delivery systems...
May 17, 2018: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/29771518/a-theoretical-study-of-pyrolysis-of-jp-10-exo-tetrahydrodicyclopentadiene-and-its-primary-and-secondary-unimolecular-decomposition-products
#9
Alexander N Morozov, Alexander Moiseevich Mebel, Ralf I Kaiser
Theoretical calculations of the rate constants and product branching ratios in the pyrolysis of exo-tetrahydrodicyclopentadiene (JP-10) and its initial decomposition products at combustion-relevant pressures and temperatures have been performed and compared to the experimental results from the recently reported molecular beam photoionization mass spectrometry study of the pyrolysis of JP-10 (Zhao, L.; Yang, T.; Kaiser, R. I.; Troy, T. P.; Xu, B.; Ahmed, M.; Alarcon, J.; Belisario-Lara, D.; Mebel, A. M.; Zhang, Y...
May 17, 2018: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/29769321/lectin-mediated-binding-and-sialoglycans-of-porcine-surfactant-protein-d-synergistically-neutralize-influenza-a-virus
#10
Martin van Eijk, Michael J Rynkiewicz, Kshitij Khatri, Nancy Leymarie, Joseph Zaia, Mitchell R White, Kevan L Hartshorn, Tanya R Cafarella, Irma Van Die, Martin Hessing, Barbara A Seaton, Henk P Haagsman
Innate immunity is critical in the early containment of influenza A virus (IAV) infection, and surfactant protein D (SP-D) plays a crucial role in the pulmonary defense against IAV. In pigs, which are important intermediate hosts during the generation of pandemic IAVs, SP-D uses its unique carbohydrate recognition domain (CRD) to interact with IAV. An N-linked CRD-glycosylation provides interactions with the sialic acid binding site of IAV, and a tripeptide loop at the lectin binding site facilitates enhanced interactions with IAV glycans...
May 16, 2018: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/29767508/comparison-of-uranium-vi-and-thorium-iv-silicates-synthesized-via-mixed-fluxes-techniques
#11
Haijian Li, Philip Kegler, Vladislav V Klepov, Martina Klinkenberg, Dirk Bosbach, Evgeny V Alekseev
Two uranium and two thorium silicates were obtained using high temperature mixed fluxes methods. K14 (UO2 )3 Si10 O30 crystallizes in the P21 / c space group and contains open-branched sechser (six) single silicate chains, whereas K2 (UO2 )Si2 O6 crystallizes in the C2/ c space group and is built of unbranched achter (eight) silicate chains. The crystals of K14 (UO2 )3 Si10 O30 and K2 (UO2 )Si2 O6 are related by increasing U/Si molar ratios, and both structures contain the same secondary building units (SBUs), [USi6 ] heptamers...
May 16, 2018: Inorganic Chemistry
https://www.readbyqxmd.com/read/29767145/an-increase-in-corn-resistant-starch-decreases-protein-fermentation-and-modulates-gut-microbiota-during-in-vitro-cultivation-of-pig-large-intestinal-inocula
#12
Xiangyu He, Weiwei Sun, Ting Ge, Chunlong Mu, Weiyun Zhu
High-protein diet could cause an increase in protein fermentation in the large intestine, leading to an increased production of potentially detrimental metabolites. We hypothesized that an increase in corn resistant starch content may attenuate the protein fermentation. The aim of this study was to evaluate the effect of resistant starch on protein fermentation by inocula from large intestine of pigs using in vitro cultivation. Fermentation patterns were analyzed during a 24-h incubation of cecal and colonic digesta with varying corn resistant starch contents, using casein protein as sole nitrogen source...
September 2017: Animal nutrition
https://www.readbyqxmd.com/read/29766742/wound-and-sural-nerve-complications-of-the-sinus-tarsi-approach-for-calcaneus-fractures
#13
Shaoliang Li
Background The purpose of this study was to evaluate the optimal timing and measures of the sinus tarsi approach for calcaneus fractures to avoid iatrogenic injury of the sural nerve and to assess for wound complications. METHODS: A case series of 53 patients with calcaneus fractures treated by a single surgeon with the sinus tarsi approach was retrospectively analyzed. On the basis of the delay time from injury to surgery, patients were classified into 4 groups: immediate (0-3 days), early (4-6 days), intermediate (7-14 days), and late (14-18 days)...
May 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29766432/cl-initiated-photo-oxidation-reactions-of-methyl-propionate-in-atmospheric-condition
#14
Ramya Cheramangalath Balan, Rajakumar Balla
Cl-initiated photo-oxidation reaction of methyl propionate was investigated experimentally using relative rate method. Gas chromatography/mass spectrometry (GC-MS) and GC/infrared spectroscopy (GC-IR) were used as analytical tools to follow the concentrations of reactants and products during reaction. The gas-phase kinetics of methyl propionate with Cl atoms was measured over the temperature range of 263-363 K at 760 Torr in N2 atmosphere using C2 H6 and C2 H4 as reference compounds. The temperature-dependent rate coefficient for the reaction of methyl propionate with Cl atom was obtained as k(T) = [(3...
May 15, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29764552/-construction-of-death-early-warning-model-for-patients-with-septic-myocardial-depression-a-retrospective-analysis-of-129-patients
#15
Jianping Huang, Yangqing Zhou, Haifen Liu
OBJECTIVE: To explore the death risk factors of septic myocardial depression (SMD) and their predictive effect, and to set up a death early-warning model. METHODS: A retrospective analysis was conducted. The patients with SMD admitted to emergency department and rescue room of Beilun Branch of the First Affiliated Hospital of Zhejiang University Medical College from January 2015 to November 2017 were enrolled. The patients were divided into survival group and non-survival group according to 28-day outcome, and the gender, age, and the initial examination parameters [white blood cell (WBC) count, neutrophil (Neut) count, activated partial thromboplastin time (APTT), procalcitonin (PCT), D-dimer, C-reactive protein (CRP), cardiac troponin I (cTnI), N-terminal pro-brain natriuretic peptide (NT-proBNP), left ventricular ejection fraction (LVEF), left ventricular end-diastolic diameter (LVEDD), and left atrium diameter (LAD)] of both groups were compared...
May 2018: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/29764137/stabilities-of-protonated-water-ammonia-clusters
#16
A E K Sundén, K Støchkel, P Hvelplund, S Brøndsted Nielsen, B Dynefors, K Hansen
Branching ratios of water and ammonia evaporation have been measured for spontaneous evaporation from protonated mixed clusters H+ (H2 O)n (NH3 )m in the size range 0 ≤ n ≤ 11 and 0 ≤ m ≤ 7. Mixed clusters evaporate water except for clusters containing six or more ammonia molecules, indicating the formation of a stable core of one ammonium ion surrounded by four ammonia molecules and a second shell consisting predominantly of water. We relate evaporative branching ratios to free energy differences between the products of competing channels and determine the free energy differences for clusters with up to seven ammonia molecules...
May 14, 2018: Journal of Chemical Physics
https://www.readbyqxmd.com/read/29763921/peptidomic-analysis-of-endometrial-tissue-from-patients-with-ovarian-endometriosis
#17
Yunping Xue, Pengfei Xu, Sujuan Xu, Kai Xue, Lingling Xu, Jie Chen, Juan Xu, Xiaoyan Shi, Qian Li, Lin Gu
BACKGROUND/AIMS: Ovarian endometriosis (OvE) is ovarian cyst that is lined with endometrial tissue. They are found in 17-44% of women with endometriosis. Their clinical manifestations include pelvic pain, dysmenorrhea, dyspareunia, and infertility. Although the incidence of OvE has increased yearly, the exact pathogenesis of OvE is still unclear. We used peptidomics, an emerging branch of proteomics, to identify differentially expressed peptides in order to determine the possible roles of these peptides in the pathogenesis of OvE...
May 9, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29763563/rh-dpephos-catalyzed-alkyne-hydroacylation-using-%C3%AE-carbonyl-substituted-aldehydes-mechanistic-insight-leads-to-low-catalyst-loadings-that-enables-selective-catalysis-on-gram-scale
#18
James Barwick-Silk, Simon Hardy, Michael C Willis, Andrew S Weller
The detailed mechanism of the hydroacylation of β-amido-aldehyde, 2,2-dimethyl-3-morpholino-3-oxopropanal, with 1-octyne using [Rh(cis-κ2-P,P-DPEPhos)(acetone)2][BArF4]-based catalysts is described [ArF = (CF3)2C6H3]. A rich mechanistic landscape of competing and interconnected hydroacylation and cyclotrimerization processes is revealed. An acyl-hydride complex, arising from oxidative addition of aldehyde, is the persistent resting state during hydroacylation, and quaternary substitution at the β-amido-aldehyde strongly disfavours decarbonylation...
May 15, 2018: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29762924/early-improvement-in-mitral-regurgitation-after-cardiac-resynchronization-therapy-in-cardiomyopathy-patients
#19
Hakimeh Sadeghian, Masoumeh Lotfi-Tokaldany, Mahdi Montazeri, Ali Kazemi Saeed, Mohammad Sahebjam, Akram Sardari, Gita Ejmalian
BACKGROUND: The study aim was to investigate factors affecting the improvement of mitral regurgitation (MR) severity within 48 hours after cardiac resynchronization therapy (CRT) in patients with cardiomyopathy. METHODS: Sixty-nine cardiomyopathy patients (48 males, 21 females; mean age 59.12 ± 9.66 years) in NYHA functional class ≥III, with left ventricular ejection fraction (LVEF) ≤35%, and QRS duration >120 ms, with MR ≥moderate, were included in the study...
September 2017: Journal of Heart Valve Disease
https://www.readbyqxmd.com/read/29761968/-computer-assisted-quantitative-analysis-of-contrast-enhanced-ultrasonography-in-takayasu-arteritis-carotid-artery-lesions
#20
Yanlu Hu, Qi Zhang, Chaolun Li
Takayasu arteritis (TA) is a chronic nonspecific inflammation that commonly occurs in the aorta and its main branches. Most patients with TA are lack of clinical manifestations, leading to misdiagnosis. When the TA is correctly diagnosed, the patients may already have stenosis or occlusion in the involved arteries, resulting in arterial ischemia and hypoxia symptoms, and in severe cases it will be life-threatening. Contrast-enhanced ultrasonography (CEUS) is an emerging method for assessing TA, but the assessment relies heavily on experiences of radiologists performing manual and qualitative analyses, so the diagnostic results are often not accurate...
October 1, 2017: Sheng Wu Yi Xue Gong Cheng Xue za Zhi, Journal of Biomedical Engineering, Shengwu Yixue Gongchengxue Zazhi
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