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https://www.readbyqxmd.com/read/28063142/tuning-the-synthesis-of-manganese-oxides%C3%A2-nanoparticles-for-efficient-oxidation-of-benzyl-alcohol
#1
Jingyuan Fei, Lixian Sun, Cuifeng Zhou, Huajuan Ling, Feng Yan, Xia Zhong, Yuxiang Lu, Jeffrey Shi, Jun Huang, Zongwen Liu
The liquid phase oxidation of benzyl alcohol is an important reaction for generating benzaldehyde and benzoic acid that are largely required in the perfumery and pharmaceutical industries. The current production systems suffer from either low conversion or over oxidation. From the viewpoint of economy efficiency and environmental demand, we are aiming to develop new high-performance and cost-effective catalysts based on manganese oxides that can allow the green aerobic oxidation of benzyl alcohol under mild conditions...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28049680/career-and-professional-satisfaction-of-oral-and-maxillofacial-surgery-residents-academic-surgeons-and-private-practitioners-does-gender-matter
#2
Kyriaki C Marti, Jesse Lanzon, Sean P Edwards, Marita R Inglehart
The aims of this study were to determine whether male vs. female oral and maxillofacial surgery (OMS) residents, academic surgeons (i.e., faculty members), and private practitioners in the U.S. differed in their general career satisfaction and job/professional satisfaction. Survey data were collected in 2011-12 from 267 OMS residents (response rate 55%), 271 OMS academic surgeons (response rate 31%), and 417 OMS private practitioners (response rates 13% web-based survey and 29% postal mail survey). The results showed that while the male vs...
January 2017: Journal of Dental Education
https://www.readbyqxmd.com/read/28042788/-update-of-the-gleason-system-and-other-prognostic-pathological-data-in-prostate-cancer-tumor-load
#3
Ricardo García-González, Ricardo García-Navas, José Montáns-Araújo
Desde que D. F. Gleason creara su sistema en 1966 (1 ) y que él mismo modificó en 1974 (2), su método ha sido universalmente aceptado y recomendado por la OMS (3)como factor pronóstico del carcinoma prostático (CaP). Pero, la generalización de la prueba del PSA a partir de 1979 (4), del desarrollo de la TRUS (5) y de la "biopty-gun" para la toma de biopsias en sextantes en los años 80 (6), y sus posteriores modificaciones, son hechos que han cambiado paulatinamente la postura ante el CaP y, con la experiencia adquirida, algunas de las reglas iniciales de Gleason han evolucionado...
December 2016: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/27986088/designing-and-screening-of-universal-drug-from-neem-azadirachta-indica-and-standard-drug-chemicals-against-influenza-virus-nucleoprotein
#4
Aftab Ahmad, Muhammad Rizwan Javed, Abdul Qayyum Rao, Tayyab Husnain
BACKGROUND: Different strains of influenza virus are affecting a large number of people worldwide. Many synthetic antiviral medicines are available for influenza virus in the market. But still there is a need for the development of universal drugs against these strains of influenza virus. METHODS: For this purpose conserved residues within the influenza virus nucleoprotein have been retrieved. The drugs, previously known to have antiviral properties, were screened to identify the best candidate universal drug against Influenza virus strains...
December 16, 2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27936914/characteristic-features-of-odontogenic-myxoma-on-cone-beam-computed-tomography
#5
Kaili Wang, Wenhao Guo, Meng You, Li Liu, Bei Tang, Guangning Zheng
OBJECTIVES: To illustrate characteristic features of odontogenic myxoma (OM) on CBCT. METHODS: From fifty-two subjects with histopathologically diagnosed odontogenic myxomas, eighteen that underwent CBCT examination were retrieved between May 2009 and April 2016. Features on CBCT images and clinical records were carefully observed and analyzed. RESULTS: Characteristic features include: (1) Fine and straight septa were recognized to separate the tumor into triangular, square or rectangular spaces which appeared as "tennis racket" or "honeycomb" patterns; (2) Septa frequently scattered to the borders of lesions and appeared perpendicular to the margins; (3) Tooth displacement and resorption were seen in most of OM lesions; (4) OMs were noted to have a tendency to involve the alveolar process, scalloped between the roots, and affected the integrity of the alveolar ridge; (5) The cortex of OMs appeared normally perforated and the edge of the cortex expanded into the soft tissue...
December 12, 2016: Dento Maxillo Facial Radiology
https://www.readbyqxmd.com/read/27920488/evalmsa-a-program-to-evaluate-multiple-sequence-alignments-and-detect-outliers
#6
Alvaro Chiner-Oms, Fernando González-Candelas
We present EvalMSA, a software tool for evaluating and detecting outliers in multiple sequence alignments (MSAs). This tool allows the identification of divergent sequences in MSAs by scoring the contribution of each row in the alignment to its quality using a sum-of-pair-based method and additional analyses. Our main goal is to provide users with objective data in order to take informed decisions about the relevance and/or pertinence of including/retaining a particular sequence in an MSA. EvalMSA is written in standard Perl and also uses some routines from the statistical language R...
2016: Evolutionary Bioinformatics Online
https://www.readbyqxmd.com/read/27903729/joint-encoding-of-object-motion-and-motion-direction-in-the-salamander-retina
#7
Norma Krystyna Kühn, Tim Gollisch
: The processing of motion in visual scenes is important for detecting and tracking moving objects as well as for monitoring self-motion through the induced optic flow. Specialized neural circuits have been identified in the vertebrate retina for detecting motion direction or for distinguishing between object motion and self-motion, although little is known about how information about these distinct features of visual motion is combined. The salamander retina, which is a widely used model system for analyzing retinal function, contains object-motion-sensitive (OMS) ganglion cells, which strongly respond to local motion signals but are suppressed by global image motion...
November 30, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27886283/gold-nanoparticles-on-oms-2-for-heterogeneously-catalyzed-aerobic-oxidative-%C3%AE-%C3%AE-dehydrogenation-of-%C3%AE-heteroatom-substituted-ketones
#8
Daichi Yoshii, Xiongjie Jin, Takafumi Yatabe, Jun-Ya Hasegawa, Kazuya Yamaguchi, Noritaka Mizuno
In the presence of Au nanoparticles supported on manganese oxide OMS-2 (Au/OMS-2), various kinds of β-heteroatom-substituted α,β-unsaturated ketones (heteroatom = N, O, S) can be synthesized through α,β-dehydrogenation of the corresponding saturated ketones using O2 (in air) as the oxidant. The catalysis of Au/OMS-2 is truly heterogeneous, and the catalyst can be reused.
December 6, 2016: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/27884628/skirt-followed-by-trouser-stenting-technique-true-anatomical-preservation-of-coronary-y-shaped-bifurcation-lesions-while-using-vanishing-bioresorbable-scaffolds-a-report-of-two-cases
#9
Wael Elabbassi, Arif Al Nooryani
We report on two cases in which Y-shaped coronary bifurcations were treated with the use of Bioresorbable scaffolds. The first case was of a 50-year-old man with NSTEMI. Coronary angiography showed stenosis involving a Y-shaped bifurcation of proximal to mid LAD and diagonal. The lesion was wired using two 0.14 BMW guide wires, followed by serial pre-dilatation of LAD and Diagonal branch. The stent into proximal LAD was deployed first as a skirt (3.5 × 12 BVS). Stent was post-dilated. A second 2.5 × 28 BVS was deployed into diagonal branch, protruding backwards; along with a 2...
November 3, 2016: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/27875708/does-restriction-of-public-health-care-dental-benefits-affect-the-volume-severity-or-cost-of-dental-related-hospital-visits
#10
David Salomon, R Eric Heidel, Antonia Kolokythas, Michael Miloro, Thomas Schlieve
PURPOSE: On July 1, 2012, the Illinois legislature passed the Save Medicaid Access and Resources Together (SMART) Act, which restricts adult public dental insurance coverage to emergency-only treatment. The purpose of this study was to measure the effect of this restriction on the volume, severity, and treatment costs of odontogenic infections in an urban hospital. MATERIALS AND METHODS: A retrospective cohort study of patients presenting for odontogenic pain or infection at the University of Illinois Hospital was performed...
October 29, 2016: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27869226/the-effects-of-manganese-oxide-octahedral-molecular-sieve-chitosan-microspheres-on-sludge-bacterial-community-structures-during-sewage-biological-treatment
#11
Fei Pan, Wen Liu, Yang Yu, Xianze Yin, Qingrong Wang, Ziyan Zheng, Min Wu, Dongye Zhao, Qiu Zhang, Xiaoman Lei, Dongsheng Xia
This study examines the effects of manganese oxide octahedral molecular sieve chitosan microspheres (Fe3O4@OMS-2@CTS) on anaerobic and aerobic microbial communities during sewage biological treatment. The addition of Fe3O4@OMS-2@CTS (0.25 g/L) resulted in enhanced levels of operational performance for decolourization dye X-3B. However, degradation dye X-3B inhibition in the presence of Fe3O4@OMS-2@CTS was recorded as greater than or equal to 1.00 g/L. Illumina MiSeq high throughput sequencing of the 16 S rRNA gene showed that 108 genera were observed during the anaerobic process, while only 71 genera were observed during the aerobic process...
November 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27860151/high-temperature-hydrogen-storage-of-multiple-molecules-theoretical-insights-from-metalated-catechols
#12
Ehud Tsivion, Srimukh Prasad Veccham, Martin Head-Gordon
Insertion of open metal sites (OMS) into metal-organic frameworks (MOFs) is a promising strategy for preparation of physical adsorbents that enable H2 storage at room temperature. Density functional theory (DFT) calculations are reported on a promising paradigm for adsorption of multiple hydrogen molecules to a single OMS attached to an MOF linker via a catechol or thiocatechol. The interactions between adsorbed H2 and the OMS are characterized with special attention to their degrees of freedom and thermal properties...
November 17, 2016: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/27805761/predicting-multicomponent-adsorption-isotherms-in-open-metal-site-materials-using-force-field-calculations-based-on-energy-decomposed-density-functional-theory
#13
Jurn Heinen, Nicholas C Burtch, Krista S Walton, Célia Fonseca Guerra, David Dubbeldam
For the design of adsorptive-separation units, knowledge is required of the multicomponent adsorption behavior. Ideal adsorbed solution theory (IAST) breaks down for olefin adsorption in open-metal site (OMS) materials due to non-ideal donor-acceptor interactions. Using a density-function-theory-based energy decomposition scheme, we develop a physically justifiable classical force field that incorporates the missing orbital interactions using an appropriate functional form. Our first-principles derived force field shows greatly improved quantitative agreement with the inflection points, initial uptake, saturation capacity, and enthalpies of adsorption obtained from our in-house adsorption experiments...
December 12, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27801769/adult-onset-opsoclonus-myoclonus-syndrome-associated-with-ganglionic-acetylcholine-receptor-autoantibody
#14
Jonathan R Galli, Stacey L Clardy, M Mateo Paz Soldán
INTRODUCTION: Opsoclonus-myoclonus syndrome (OMS) may have a toxin induced, parainfectious, or paraneoplastic etiology. Several autoantibodies have been associated with adult-onset OMS, most commonly antineuronal nuclear antibody 2 (Ri), and it is most frequently associated with breast or small cell lung cancer. The nicotinic ganglionic acetylcholine receptor autoantibody (α3-AChR Ab) has not been described in association. CASE REPORT: A 46-year-old woman was evaluated for symptoms of oscillopsia, tremor, gait imbalance, and mild cognitive deficits that began 6 weeks prior...
November 2016: Neurologist
https://www.readbyqxmd.com/read/27796999/using-solid-13-c-nmr-coupled-with-solution-31-p-nmr-spectroscopy-to-investigate-molecular-species-and-lability-of-organic-carbon-and-phosphorus-from-aquatic-plants-in-tai-lake-china
#15
Shasha Liu, Yuanrong Zhu, Fengchang Wu, Wei Meng, Hao Wang, Zhongqi He, Wenjing Guo, Fanhao Song, John P Giesy
Forms and labilities of plant-derived organic matters (OMs) including carbon (C) and phosphorus (P) were fundamental for understanding their release, degradation and environmental behaviour in lake ecosystems. Thus, solid (13)C and solution (31)P nuclear magnetic resonance (NMR) spectroscopy were used to characterize biomass of six aquatic plants in Tai Lake, China. The results showed that carbohydrates (61.2% of the total C) were predominant C functional group in the solid (13)C NMR spectra of plant biomass, which may indicate high lability and bioavailability of aquatic plants-derived organic matter in lakes...
October 31, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27777807/synthetic-cannabis-overdose-and-withdrawal-in-a-young-adult-a-case-report-commentary-on-regulation-and-review-of-the-literature
#16
John Samaan, Gerardo F Ferrer, Boye Akinyemi, Patricia Junquera, Juan Oms, Rhaisa Dumenigo
Introduction. Marijuana has been used for its psychotropic effects including enhanced relaxation and perceptual alterations. However, the use of synthetic marijuana (SM) leads to more frequent and drastic side effects than the typical use of regular marijuana, owing to the fact that SM has a shorter duration and an earlier peak of action. Despite all the potential adverse health effects associated with SM use, current health policies on SM are very limited. It is believed that the popularity of SM has increased, due to its easy accessibility in the US and lack of detection in typical urine drug screens for THC...
2016: Case Reports in Psychiatry
https://www.readbyqxmd.com/read/27771882/multibiomarker-responses-in-aquatic-insect-belostoma-elegans-hemiptera-to-organic-pollution-in-freshwater-system
#17
S Lavarías, C Ocon, V López van Oosterom, A Laino, D A Medesani, A Fassiano, H Garda, J Donadelli, M Ríos de Molina, A Rodrigues Capítulo
The present study analyzes a battery of biomarkers in the water bug Belostoma elegans from a stream polluted with organic matter (OMS), and another one considered as reference site (RS) during spring-summer season (December to March). Biochemical parameters of glucidic, lipidic and oxidative metabolic pathways were analyzed in males and females of this insect. In general, no significant differences were observed in all biomarkers assayed between both sexes, except lactate concentration which was higher in males than in females (p < 0...
October 23, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27720721/what-name-best-represents-our-specialty-oral-and-maxillofacial-surgeon-versus-oral-and-facial-surgeon
#18
Andre V Guerrero, Jeffrey A Elo, Ho-Hyun Brian Sun, Alan S Herford
PURPOSE: To determine whether changing "oral and maxillofacial surgeon" (OMS) to "oral and facial surgeon" improves the perception and awareness of the OMS's role and surgical scope of practice in undergraduate biomedical and dental students. MATERIALS AND METHODS: This cross-sectional study requested undergraduate and dental students to select 1 of 5 specialists to treat 21 conditions. Two different surveys were presented: 1 designating specialists as "oral and maxillofacial surgeons" and 1 designating specialists as "oral and facial surgeons...
January 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/27711755/macrocyclic-ligand-decorated-ordered-mesoporous-silica-with-large-pore-and-short-channel-characteristics-for-effective-separation-of-lithium-isotopes-synthesis-adsorptive-behavior-study-and-dft-modeling
#19
Yuekun Liu, Fei Liu, Gang Ye, Ning Pu, Fengcheng Wu, Zhe Wang, Xiaomei Huo, Jian Xu, Jing Chen
Effective separation of lithium isotopes is of strategic value which attracts growing attention worldwide. This study reports a new class of macrocyclic ligand decorated ordered mesoporous silica (OMS) with large-pore and short-channel characteristics, which holds the potential to effectively separate lithium isotopes in aqueous solutions. Initially, a series of benzo-15-crown-5 (B15C5) derivatives containing different electron-donating or -withdrawing substituents were synthesized. Extractive separation of lithium isotopes in a liquid-liquid system was comparatively studied, highlighting the effect of the substituent, solvent, counter anion and temperature...
October 18, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27669370/what-a-shame-increased-rates-of-oms-resident-burnout-may-be-related-to-the-frequency-of-shamed-events-during-training
#20
Michael C Shapiro, Sowmya R Rao, Jason Dean, Andrew R Salama
PURPOSE: Shame is an ineffective tool in residency education that often results in depression, isolation, and worse patient care. This study aimed to assess burnout, depersonalization, and personal achievement levels in current oral and maxillofacial surgery (OMS) residents, to assess the prevalence of the use of shame in OMS residency training, and to determine whether there is a relation between shame exposure and resident burnout, depersonalization, and personal achievement levels...
August 31, 2016: Journal of Oral and Maxillofacial Surgery
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