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https://www.readbyqxmd.com/read/27989540/assessing-postoperative-acute-kidney-injury-in-high-risk-patients-undergoing-major-abdominal-surgery-author-s-reply
#1
Stefano Romagnoli, Giovanni Zagli, Zaccaria Ricci
No abstract text is available yet for this article.
February 2017: Journal of Critical Care
https://www.readbyqxmd.com/read/27982256/effect-of-curcumin-on-visfatin-and-zinc-%C3%AE-2-glycoprotein-in-a-rat-model-of-non-alcoholic-fatty-liver-disease
#2
Changping Li, Juehong Li, Yun Chen, Xiaolin Zhong, Min Kang
PURPOSE: To investigate the effect of curcumin on visfatin and zinc-α2-glycoprotein (ZAG) expression levels in rats with non-alcoholic fatty liver disease (NAFLD). METHODS: Fifty-six male rats were randomly divided into a control group (n=16) and model group (n=40) and were fed on a normal diet or a high-fat diet, respectively. Equal volumes of sodium carboxymethyl cellulose (CMC) were intragastrically administered to the control group for 4 weeks. At the end of the 12th week, visfatin and ZAG protein expression levels were examined by immunohistochemistry...
November 2016: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/27968777/noninvasive-epicardial-and-endocardial-electrocardiographic-imaging-of-scar-related-ventricular-tachycardia
#3
Linwei Wang, Omar A Gharbia, B Milan Horáček, John L Sapp
BACKGROUND: The majority of life-threatening ventricular tachycardias (VTs) are sustained by heterogeneous scar substrates with narrow strands of surviving tissue. An effective treatment for scar-related VT is to modify the underlying scar substrate by catheter ablation. If activation sequence and entrainment mapping can be performed during sustained VT, the exit and isthmus of the circuit can often be identified. However, with invasive catheter mapping, only monomorphic VT that is hemodynamically stable can be mapped in this manner...
November 2016: Journal of Electrocardiology
https://www.readbyqxmd.com/read/27924127/ssr-based-genetic-diversity-of-pigmented-and-aromatic-rice-oryza-sativa-l-genotypes-of-the-western-himalayan-region-of-india
#4
Humaira Ashraf, Amjad M Husaini, M Ashraf Bhat, G A Parray, Salim Khan, Nazir A Ganai
A set of 24 of SSR markers were used to estimate the genetic diversity in 16 rice genotypes found in Western Himalayas of Kashmir and Himachal Pradesh, India. The level of polymorphism among the genotypes of rice was evaluated from the number of alleles and PIC value for each of the 24 SSR loci. A total of 68 alleles were detected across the 16 genotypes through the use of these 24 SSR markers The number of alleles per locus generated varied from 2 (RM 338, RM 452, RM 171) to 6 (RM 585, RM 249, RM 481, RM 162)...
October 2016: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/27916958/catalytic-performance-of-a-new-1d-cu-ii-coordination-polymer-cu-no%C3%A2-h%C3%A2-o-htae-4-4-bpy-for-knoevenagel-condensation
#5
Edurne S Larrea, Roberto Fernández de Luis, María I Arriortua
The {Cu(NO₃)(H₂O)}(HTae)(4,4'-Bpy) (H₂Tae = 1,1,2,2-tetraacetylethane, 4,4'-Bpy = 4,4'-Dipyridyl) 1D coordination polymer has been obtained by slow evaporation. The crystal structure consists of parallel and oblique {Cu(HTae)(4,4'-Bpy)} zig-zag metal-organic chains stacked along the [100] crystallographic direction. Copper(II) ions are in octahedral coordination environment linked to two nitrogen atoms of two bridging 4,4'-Bpy and to two oxygen atoms of one HTae molecule in the equatorial plane. The occupation of the axial positions varies from one copper atom to another, with different combinations of water molecules and nitrate anions, giving rise to a commensurate super-structure...
December 1, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27886218/revisiting-the-fear-of-snakes-in-children-the-role-of-aposematic-signalling
#6
Jérémie Souchet, Fabien Aubret
Why humans fear snakes is an old, yet unresolved debate. Its innate origin from evolutionary causes is debated against the powerful influence early experience, culture, media and religion may have on people's aversion to snakes. Here we show that the aversion to snakes in human beings may have been mistaken for an aversion to aposematic signals that are commonly displayed by snakes. A total of 635 children were asked to rate single item images as "nice" or "mean". Snakes, pets and smiley emoticon items were not rated as "mean" unless they displayed subtle aposematic signals in the form of triangular (rather than round) shapes...
November 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27853777/synthesis-structure-and-properties-of-new-bimetallic-sodium-and-potassium-lanthanum-borohydrides
#7
SeyedHosein Payandeh GharibDoust, Michael Heere, Magnus H Sørby, Morten B Ley, Dorthe B Ravnsbæk, Bjørn C Hauback, Radovan Černý, Torben R Jensen
Two new bimetallic sodium or potassium lanthanum borohydrides, NaLa(BH4)4 and K3La(BH4)6, are formed using La(BH4)3 free of metal halide by-products. NaLa(BH4)4 crystallizes in an orthorhombic crystal system with unit cell parameters, a = 6.7987(19), b = 17.311(5), c = 7.2653(19) Å and space group symmetry Pbcn. This compound has a new structure type built from brucite-like layers of octahedra (hcp packing of anions) with half of the octahedral sites empty leading to octahedral chains similar to rutile (straight chains) or α-PbO2 (zig-zag chains)...
November 17, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27847288/on-the-spider-that-spits-the-solution-of-a-nonsmooth-oscillator
#8
Daniel Goeleven
Spitting spiders (Scytodes sp.) spit a mixture of silk and glue at their prey during attack. In this note, we show that a nonsmooth oscillator can be used as a biomechanical model to describe the zig-zag patterns produced by the spit of the spider Scytodes thoracica.
January 2017: Mathematical Biosciences
https://www.readbyqxmd.com/read/27843650/reliability-and-validity-measurement-of-sagittal-lumbosacral-quiet-standing-posture-with-a-smartphone-application-in-a-mixed-population-of-183-college-students-and-personnel
#9
George A Koumantakis, Maria Nikoloudaki, Sara Thacheth, Kalliroi Zagli, Konstantina Bitrou, Andreas Nigritinos, Leon Botton
Accurate recording of spinal posture with simple and accessible measurement devices in clinical practice may lead to spinal loading optimization in occupations related to prolonged sitting and standing postures. Therefore, the purpose of this study was to establish the level of reliability of sagittal lumbosacral posture in quiet standing and the validity of the method in differentiating between male and female subjects, establishing in parallel a normative database. 183 participants (83 males and 100 females), with no current low back or pelvic pain, were assessed using the "iHandy Level" smartphone application...
2016: Advances in Orthopedics
https://www.readbyqxmd.com/read/27833285/subcutaneous-pedicle-propeller-flap-an-old-technique-revisited-and-modified
#10
Durga Karki, Nikhil Mehta, Ravi Prakash Narayan
BACKGROUND: Post-burn axillary and elbow scar contracture is a challenging problem to the reconstructive surgeon owing to the wide range of abduction and extension that should be achieved, respectively, while treating either of the joint. The aim of this paper is to highlight the use of subcutaneous pedicle propeller flap for the management of post-burn axillary and elbow contractures. METHODOLOGY: This is a prospective case study of axillary and elbow contractures managed at a tertiary care hospital using propeller flap based on subcutaneous pedicle from 2009 to 2014...
May 2016: Indian Journal of Plastic Surgery: Official Publication of the Association of Plastic Surgeons of India
https://www.readbyqxmd.com/read/27818253/vasodilator-activity-of-hydrogen-sulfide-h2s-in-human-mesenteric-arteries
#11
Serena Materazzi, Giovanni Zagli, Romina Nassini, Ilenia Bartolini, Stefano Romagnoli, Cosimo Chelazzi, Silvia Benemei, Andrea Coratti, Angelo Raffaele De Gaudio, Riccardo Patacchini
The role of endogenous H2S has been highlighted as a gaseous transmitter. The vascular smooth muscle inhibitory effects of H2S have been characterized in isolated aorta and mesenteric arteries in rats and mice. Our study was aimed at investigating the vascular effects of H2S on human isolated mesenteric arteries and examining the underlying mechanisms involved. All experiments were performed on rings (4-8mm long) of human mesenteric arteries obtained from patients undergoing abdominal surgery. Ethical approval was obtained from the Ethics Committee of the University Hospital of the University of Florence (app...
January 2017: Microvascular Research
https://www.readbyqxmd.com/read/27815131/sensory-coding-and-cognitive-processing-of-sound-in-veterans-with-blast-exposure
#12
Scott Bressler, Hannah Goldberg, Barbara Shinn-Cunningham
Recent anecdotal reports from VA audiology clinics as well as a few published studies have identified a sub-population of Service Members seeking treatment for problems communicating in everyday, noisy listening environments despite having normal to near-normal hearing thresholds. Because of their increased risk of exposure to dangerous levels of prolonged noise and transient explosive blast events, communication problems in these soldiers could be due to either hearing loss (traditional or "hidden") in the auditory sensory periphery or from blast-induced injury to cortical networks associated with attention...
November 2, 2016: Hearing Research
https://www.readbyqxmd.com/read/27798954/evolution-genomics-and-epidemiology-of-pseudomonas-syringae-challenges-in-bacterial-molecular-plant-pathology
#13
REVIEW
David A Baltrus, Honour C McCann, David S Guttman
A remarkable shift in our understanding of plant-pathogenic bacteria is underway. Until recently, nearly all research on phytopathogenic bacteria was focused on a small number of model strains, which provided a deep, but narrow, perspective on plant-microbe interactions. Advances in genome sequencing technologies have changed this by enabling the incorporation of much greater diversity into comparative and functional research. We are now moving beyond a typological understanding of a select collection of strains to a more generalized appreciation of the breadth and scope of plant-microbe interactions...
January 2017: Molecular Plant Pathology
https://www.readbyqxmd.com/read/27768941/experimental-evidence-of-large-complete-bandgaps-in-zig-zag-lattice-structures
#14
Cheng-Lin Yang, Sheng-Dong Zhao, Yue-Sheng Wang
In this paper, experimental evidence of large complete bandgaps in a kind of light-weighted zig-zag lattice structure (ZLS) is presented. Ultrasonic experiments are conducted on the stainless steel slab designed with ZLS to detect the complete bandgaps. Also, the numerical simulations of the experiments by the finite element method are carried out. For comparison, we conduct the same experiments and numerical simulations on the stainless steel slab with straight lattice structure (SLS). Good agreement is obtained between the experimental and numerical results...
February 2017: Ultrasonics
https://www.readbyqxmd.com/read/27722616/oxalate-bridged-heterometallic-chains-with-monocationic-dabco-derivatives
#15
Takahiro Sakurai, Ryo Saiki, Rong Jia Wei, Graham N Newton, Takuya Shiga, Hiroki Oshio
A series of bimetallic oxalate-bridged one-dimensional chains with monocationic dabco derivatives, ({R-dabco}[M(solv)2][Cr(ox)3]·n(solv)) (dabco = 1,4-diazabicyclo[2.2.2]octane, H2ox = oxalate; R = H, M = Co (1); R = H, M = Zn (2); R = Bu, M = Co (3); R = Bu, M = Zn (4)) were synthesized. All compounds have one-dimensional zig-zag chain structures with R-dabco cations located between chains. Cryomagnetic studies reveal that 1 and 3 showed intrachain ferromagnetic interactions between Co(ii) and Cr(iii) ions and metamagnetic behaviour due to interchain antiferromagnetic interactions...
October 18, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27714351/dynamic-scaling-of-ferromagnetic-micro-rod-clusters-under-a-weak-magnetic-field
#16
Rui Cheng, Lu Zhu, Weijie Huang, Leidong Mao, Yiping Zhao
A controlled configurational change of micro-clusters in suspensions is essential for many smart material applications. In this paper, the dynamic process of ferromagnetic microrod clusters (FMRCs) under an external magnetic field was studied as a function of the cluster size N and the applied field B. The FMRCs rearranged from a side-by-side raft-like structure to an end-to-end chain-like structure, originating from coupled motions through the field-driven alignment of both ferromagnetic microrods and FMRCs...
October 12, 2016: Soft Matter
https://www.readbyqxmd.com/read/27714142/synthesis-of-graphene-nanoribbons-with-a-defined-mixed-edge-site-sequence-by-surface-assisted-polymerization-of-1-6-dibromopyrene-on-ag-110
#17
Marco Smerieri, Igor Píš, Lara Ferrighi, Silvia Nappini, Angelique Lusuan, Cristiana Di Valentin, Luca Vaghi, Antonio Papagni, Mattia Cattelan, Stefano Agnoli, Elena Magnano, Federica Bondino, Letizia Savio
By a combination of scanning tunneling microscopy, X-ray spectroscopic techniques and density functional theory calculations, we prove the formation of extended patterns of parallel, graphene nanoribbons with alternate zig-zag and armchair edges and selected width by surface-assisted Ullmann coupling polymerization and dehydrogenation of 1,6-dibromopyrene (C16H8Br2). Besides the relevance of these nanostructures for their possible application in nanodevices, we demonstrate the peculiarity of halogenated pyrene derivatives for the formation of nanoribbons, in particular on Ag(110)...
October 6, 2016: Nanoscale
https://www.readbyqxmd.com/read/27711093/in-the-search-of-novel-urine-biomarkers-for-the-early-diagnosis-of-prostate-cancer-intracellular-or-secreted-proteins-as-the-target-group-where-and-how-to-search-for-possible-biomarkers-useful-in-the-everyday-clinical-practice
#18
Amalia Katafigioti, Ioannis Katafigiotis, Stavros Sfoungaristos, Christos Alamanis, Konstantinos Stravodimos, Ioannis Anastasiou, Eleni Roumelioti, Mordechai Duvdevani, Constantinos Constantinides
OBJECTIVE: To search which category of proteins can be detected in urine in order to examine subsequently its ability to improve our accuracy for the diagnosis of Prostate Cancer (PCa) as biomarkers in clinical useful fluids like urine and serum. Material and method(s): Urine samples of 127 patients were obtained after a vigorous transrectal prostatic massage to both lobes. The patients were considered to have a high risk for PCa according to their PSA (> 4 ng/ml), their digital rectal examination (DRE) (positive for suspicious prostatic lesions) or to their abnormal PSA kinetics (PSA velocity (PSAV > 0...
October 5, 2016: Archivio Italiano di Urologia, Andrologia
https://www.readbyqxmd.com/read/27642814/effect-of-substrate-morphology-on-the-odd-even-effect-in-hydrophobicity-of-self-assembled-monolayers
#19
Zhengjia Wang, Jiahao Chen, Symon M Gathiaka, Stephanie Oyola-Reynoso, Martin Thuo
Surface roughness, often captured through root-mean-square roughness (Rrms), has been shown to impact the quality of self-assembled monolayers (SAMs) formed on coinage metals. Understanding the effect of roughness on hydrophobicity of SAMs, however, is complicated by the odd-even effect-a zigzag oscillation in contact angles with changes in molecular length. We recently showed that for surfaces with Rrms > 1 nm, the odd-even effect in hydrophobicity cannot be empirically observed. In this report, we compare wetting properties of SAMs on Ag and Au surfaces of different morphologies across the Rrms ∼ 1 nm limit...
October 11, 2016: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/27639474/combined-in-situ-effects-of-metals-and-nutrients-on-marine-biofilms-shifts-in-the-diatom-assemblage-structure-and-biological-traits
#20
M D Belando, A Marín, M Aboal, A J García-Fernández, L Marín-Guirao
The effects of multiple stressors on marine diatom assemblages are still poorly understood. The interactive effects of metals and nutrients were assessed in two coastal biofilms grown at a reference site and a historically contaminated site. The biofilms were exposed in situ to pulse exposures of metals (Zn and Pb) and nutrients (N and P) individually and in combination to mimic patterns of discharge in the study area. The reference community's structure (composition and abundance of taxa) was modified after metals and/or nutrients exposure, but each stressor acted in different way...
September 15, 2016: Science of the Total Environment
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