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https://www.readbyqxmd.com/read/28432174/postintervention-acute-opsoclonus-myoclonus-syndrome
#1
Annelise Aquilina, Nicola Dingli, Josanne Aquilina
Opsoclonus myoclonus syndrome (OMS) is a rare, neurological condition affecting 1 in 10 000 000 people annually. Opsoclonus, defined as involuntary rapid, multivectorial oscillations of the eyes, together with ataxia and myoclonus are usually present. OMS may be paraneoplastic: often associated with occult neuroblastoma in childhood and with breast carcinoma or small cell lung carcinoma in adults. Other aetiologies include viral or toxic agents. The pathogenesis is thought to be immune mediated. A 37-year-old woman with previous inflammatory cranial mononeuropathies was admitted for elective dilatation and curettage (D&C)...
April 21, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28423005/an-archosauromorph-dominated-ichnoassemblage-in-fluvial-settings-from-the-late-early-triassic-of-the-catalan-pyrenees-ne-iberian-peninsula
#2
Eudald Mujal, Josep Fortuny, Arnau Bolet, Oriol Oms, José Ángel López
The vertebrate recovery after the end-Permian mass extinction can be approached through the ichnological record, which is much more abundant than body fossils. The late Olenekian (Early Triassic) tetrapod ichnoassemblage of the Catalan Pyrenean Basin is the most complete and diverse of this age from Western Tethys. This extensional basin, composed of several depocenters, was formed in the latest phases of the Variscan orogeny (Pangea breakup) and was infilled by braided and meandering fluvial systems of the red-beds Buntsandstein facies...
2017: PloS One
https://www.readbyqxmd.com/read/28391919/ethanol-mediated-as-iii-adsorption-onto-zn-loaded-pinecone-biochar-experimental-investigation-modeling-and-optimization-using-hybrid-artificial-neural-network-genetic-algorithm-approach
#3
Mohd Zafar, N Van Vinh, Shishir Kumar Behera, Hung-Suck Park
Organic matters (OMs) and their oxidization products often influence the fate and transport of heavy metals in the subsurface aqueous systems through interaction with the mineral surfaces. This study investigates the ethanol (EtOH)-mediated As(III) adsorption onto Zn-loaded pinecone (PC) biochar through batch experiments conducted under Box-Behnken design. The effect of EtOH on As(III) adsorption mechanism was quantitatively elucidated by fitting the experimental data using artificial neural network and quadratic modeling approaches...
April 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28383581/an-ultrasonic-atomization-assisted-synthesis-of-self-assembled-manganese-oxide-octahedral-molecular-sieve-nanostructures-and-their-application-in-catalysis-and-water-treatment
#4
Aparna Iyer, Chung-Hao Kuo, Saminda Dharmarathna, Zhu Luo, Dinithi Rathnayake, Junkai He, Steven L Suib
Manganese oxides of octahedral molecular sieve (OMS-2) type have important applications in oxidation catalysis, adsorption, and as battery materials. The synthesis methods employed determine their morphology and textural properties which markedly affect their catalytic activity. In this work, a room temperature ultrasonic atomization assisted synthesis of OMS-2 type materials is demonstrated. This synthesis differs from previously reported methods in that it is a simple, no-heat application that leads to a striking morphological characteristic of uniformly sized OMS-2 fibers and their self-assembly into dense as well as hollow spheres...
April 6, 2017: Nanoscale
https://www.readbyqxmd.com/read/28373551/identification-of-specific-posttranslational-o-mycoloylations-mediating-protein-targeting-to-the-mycomembrane
#5
Clément Carel, Julien Marcoux, Valérie Réat, Julien Parra, Guillaume Latgé, Françoise Laval, Pascal Demange, Odile Burlet-Schiltz, Alain Milon, Mamadou Daffé, Maryelle G Tropis, Marie A M Renault
The outer membranes (OMs) of members of the Corynebacteriales bacterial order, also called mycomembranes, harbor mycolic acids and unusual outer membrane proteins (OMPs), including those with α-helical structure. The signals that allow precursors of such proteins to be targeted to the mycomembrane remain uncharacterized. We report here the molecular features responsible for OMP targeting to the mycomembrane of Corynebacterium glutamicum, a nonpathogenic member of the Corynebacteriales order. To better understand the mechanisms by which OMP precursors were sorted in C...
April 3, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28338296/photochromism-and-dual-color-fluorescence-in-a-polyoxometalate-benzospiropyran-molecular-switch
#6
Arnaud Parrot, Aurélie Bernard, Aurélie Jacquart, Stefano Artin Serapian, Carles Bo, Etienne Derat, Olivier Oms, Anne Dolbecq, Anna Proust, Rémi Métivier, Pierre Mialane, Guillaume Izzet
The photophysical properties of a Keggin-type polyoxometalate (POM) covalently bounded to a benzospiropyran (BSPR) unit have been investigated. These studies reveal that both closed and open forms are emissive with distinct spectral features (λem (closed form)=530 nm, λem (open form)=670 nm) and that the fluorescence of the BSPR unit of the hybrid is considerably enhanced compared to BSPR parent compounds. While the fluorescence excitation energy of the BSPR reference compounds (370 nm) is close to the intense absorption responsible of the photochromic character (350 nm), the fluorescence excitation of the hybrid is shifted to lower energy (400 nm), improving the population of the emissive state...
March 24, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28318796/development-and-application-of-a-quantification-method-for-water-soluble-organosulfates-in-atmospheric-aerosols
#7
Gang Cao, Xiaopei Zhao, Di Hu, Rongshu Zhu, Feng Ouyang
In recent years, organosulfates have been found as a significant component of secondary organic aerosols from both smog chamber experiments and field measurements. In this study, an indirect method was developed to estimate organosulfates in aerosol particles as a whole based on their sulfate functional group. A series of experiments were conducted to optimize and validate the method, and it was then applied to quantify organosulfates in the aerosol samples collected at three sampling characteristic sites in Shenzhen, with one close to a power plant (PP), one at a heavy traffic intersection (HTI), and one on the campus of Harbin Institute of Technology Shenzhen graduate school (HITSZ)...
March 16, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28316917/a-comparative-study-of-syndecan-1-expression-in-different-odontogenic-tumors
#8
Shahroo Etemad-Moghadam, Mojgan Alaeddini
BACKGROUND: Expression of various cellular/molecular factors change during the course of tumor formation from odontogenic tissues of the tooth germ. Evaluation of these factors can help provide a better perception of the tumorigenesis and biologic behavior of odontogenic tumors (OTs). Syndecan-1 is a heparan sulfate proteoglycan which has not been extensively investigated in these lesions. The objective of the present study was to assess the immunohistochemical expression of CD138 in adenomatoid odontogenic tumor (AOT), ameloblastic fibroma (AF) and odontogenic myxoma (OM) and to compare it with ameloblastoma and keratocystic odontogenic tumor (KCOT)...
January 2017: Journal of Oral Biology and Craniofacial Research
https://www.readbyqxmd.com/read/28296470/more-declassified-evidence-implicates-cia-physicians-in-unethical-research
#9
Renée Llanusa-Cestero
In 2010, in an article in this journal, I argued that declassified documents implicated Central Intelligence Agency (CIA) physicians in the conduct of unethical research on enhanced interrogation using detainee subjects. The focus, then as now, is upon physicians at the Office of Medical Services (OMS). The 2010 article highlighted the heavily redacted "Draft OMS Guidelines on Medical and Psychological Support to Detainee Interrogations" (the Draft). This commentary focuses upon the recently declassified final version of that document revealing further culpable evidence of unethical human subject research...
2017: Accountability in Research
https://www.readbyqxmd.com/read/28285049/adsorption-and-release-of-ampicillin-antibiotic-from-ordered-mesoporous-silica
#10
Valentina Nairi, Luca Medda, Maura Monduzzi, Andrea Salis
In this work the adsorption and the release of ampicillin - a β-lactam penicillin-like antibiotic - from MCM-41, SBA-15, and (amino functionalized) SBA-15-NH2 ordered mesoporous silica (OMS) materials were investigated. The silica matrices differ for their pore size (SBA-15 vs. MCM-41) mainly, and also for surface charge (SBA-15 and MCM-41, vs. SBA-15-NH2). OMS samples were characterized through small-angle X-rays scattering (SAXS), transmission electron microscopy (TEM), N2 adsorption-desorption isotherms, Fourier transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), and potentiometric titrations...
July 1, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28279584/simulation-training-for-the-office-based-anesthesia-team
#11
REVIEW
Richard M Ritt, Jeffrey Bennett, David Todd
An OMS office is a complex environment. Within such an environment, a diverse scope of complex surgical procedures is performed with different levels of anesthesia, ranging from local anesthesia to general anesthesia, on patients with varying comorbidities. Optimal patient outcomes require a functional surgical and anesthetic team, who are familiar with both standard operational principles and emergency recognition and management. Offices with high volume and time pressure add further stress and potential risk to the office environment...
March 6, 2017: Oral and Maxillofacial Surgery Clinics of North America
https://www.readbyqxmd.com/read/28274776/corrigendum-to-chemokine-cytokine-profiling-after-rituximab-reciprocal-expression-of-bca-1-cxcl13-and-baff-in-childhood-oms-cytokine-53-2011-384-389
#12
Michael R Pranzatelli, Elizabeth D Tate, Anna L Travelstead, Steven J Verhulst
No abstract text is available yet for this article.
March 5, 2017: Cytokine
https://www.readbyqxmd.com/read/28274326/a-systematic-review-and-meta-analysis-of-outcome-measures-to-assess-postural-control-in-older-adults-who-undertake-exergaming
#13
REVIEW
Robin Tahmosybayat, Katherine Baker, Alan Godfrey, Nick Caplan, Gill Barry
Exergaming has been shown to be an effective tool to improve postural control (PC) in older community-dwelling individuals. The outcome measures (OMs) used to assess PC are varied and this could limit the estimation of the effectiveness of the intervention. This systematic review and meta-analysis aims to explore the OMs currently used to assess PC in exergaming interventions, for healthy elderly individuals aged over 60 years. The literature search was conducted across five databases (CINAHL, EMBASE, PubMed, ISI, SPORTdiscus and Science Direct) using a range of search terms and combinations relating to exergaming, balance, exercise, falls and elderly...
April 2017: Maturitas
https://www.readbyqxmd.com/read/28258920/odontogenic-sinusitis-maxillaris-a-retrospective-study-of-121-cases-with-surgical-intervention
#14
Matthias Zirk, Timo Dreiseidler, Matthias Pohl, Daniel Rothamel, Johannes Buller, Franziska Peters, Joachim E Zöller, Matthias Kreppel
PURPOSE: Otolaryngologists, dentists and maxilla-facial surgeons see patients suffering from odontogenic maxillary sinusitis on a daily routine. The study was performed to investigate the different origins of the odontogenic maxillary sinusitis ranging from periodontitis to augmentative implant surgery. Furthermore, the microbial flora of purulent odontogenic maxillary sinusitis was analyzed in order to present a proper antibiotic treatment in addition to a surgical approach. MATERIALS AND METHODS: A retrospective study was performed, analyzing the clinical trials of 121 patients suffering from odontogenic maxillary sinusitis who undergone surgery...
February 4, 2017: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/28248522/interfacial-nanostructure-and-asymmetric-electrowetting-of-ionic-liquids
#15
Zhen Liu, Tong Cui, GuoZhu Li, Frank Endres
In this work, the interfacial nanostructure and electrowetting of ionic liquids having the same 1-ethyl-3-methylimidazolium cation ([EMIm](+)) but different anions such as bis(trifluoromethylsulfonyl)imide (TFSI(-)), trifluoromethylsulfonate (TfO(-)), methylsulfonate (OMs(-)), acetate (OAc(-)), bis(fluorosulfonyl)imide (FSI(-)), dicyanamide (DCA(-)), and tris(pentafluorethyl)trifluorphosphat (FAP(-)) on bare metallic electrodes were investigated. In the investigated voltammetric potential regime, the contact angle versus voltage curve is asymmetric with respect to surface polarity...
March 9, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28157637/synthesis-of-oms-2-graphite-nanocomposites-with-enhanced-activity-for-pollutants-degradation-in-the-presence-of-peroxymonosulfate
#16
Jia Fang, Jun Li, Long Gao, Xiwang Jiang, Jingwen Zhang, Aihua Xu, Xiaoxia Li
The octahedral molecular sieve manganese oxide (OMS-2) and graphite (Gt) composites (OMS-2/Gt) were prepared by a facile refluxing approach. The structure and morphology of the obtained materials were systematically investigated. The results reveal that OMS-2 nanofibers are uniformly dispersed on the surface of Gt, and the ratio of Mn(3+) species in OMS-2 increases lineally with the increase of Gt dosage. The catalytic activity of OMS-2/Gt was evaluated by the degradation of Acid Orange 7 (AO7) in the presence of peroxymonosulfate (PMS)...
May 15, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28157627/modeling-and-simulation-of-bacterial-outer-membranes-and-interactions-with-membrane-proteins
#17
REVIEW
Dhilon S Patel, Yifei Qi, Wonpil Im
The outer membrane (OM) of Gram-negative bacteria is composed of phospholipids in the periplasmic leaflet and lipopolysaccharides (LPS) in the external leaflet, along with β-barrel OM proteins (OMPs) and lipidated periplasmic lipoproteins. As a defensive barrier to toxic compounds, an LPS molecule has high antigenic diversity and unique combination of OM-anchored lipid A with core oligosaccharides and O-antigen polysaccharides, creating dynamic protein-LPS and LPS-LPS interactions. Here, we review recent efforts on modeling and simulation of native-like bacterial OMs to explore structures, dynamics, and interactions of different OM components and their roles in transportation of ions, substrates, and antibiotics across the OM and accessibility of monoclonal antibodies (mAbs) to surface epitopes...
January 31, 2017: Current Opinion in Structural Biology
https://www.readbyqxmd.com/read/28144661/manganese-containing-ionic-liquids-synthesis-crystal-structures-and-electrodeposition-of-manganese-films-and-nanoparticles
#18
Jeroen Sniekers, João C Malaquias, Luc Van Meervelt, Jan Fransaer, Koen Binnemans
Manganese(ii)-containing ionic liquids were synthesized, in which the manganese atoms are coordinated by glymes (diglyme, triglyme, tetraglyme), pyridine-N-oxide, dimethylsulfoxide or N-alkylimidazoles (N-methylimidazole, N-butylimidazole and N-hexylimidazole). As anion, bis(trifluoromethanesulfonyl)imide (bistriflimide, Tf2N(-)), trifluoromethanesulfonate (triflate, OTf(-)) or methanesulfonate (mesylate, OMs(-)) were used. The compounds were characterized by CHN analysis, FTIR, DSC and single-crystal X-ray diffraction measurements...
February 1, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28122220/refinement-of-oprh-lps-interactions-by-molecular-simulations
#19
Joonseong Lee, Dhilon S Patel, Iga Kucharska, Lukas K Tamm, Wonpil Im
The outer membrane (OM) of Gram-negative bacteria is composed of lipopolysaccharide (LPS) in the outer leaflet and phospholipids in the inner leaflet. The outer membrane protein H (OprH) of Pseudomonas aeruginosa provides an increased stability to the OMs by directly interacting with LPS. Here we report the influence of various P. aeruginosa and, for comparison, Escherichia coli LPS environments on the physical properties of the OMs and OprH using all-atom molecular dynamics simulations. The simulations reveal that although the P...
January 24, 2017: Biophysical Journal
https://www.readbyqxmd.com/read/28102628/transient-symptomatic-worsening-by-atropine-in-opsoclonus-myoclonus-syndrome
#20
Hirotsugu Miyoshi, Ryuji Nakamura, Ayano Yamaga, Toshiaki Haraki, Toshimichi Yasuda, Hiroshi Hamada, Masashi Kawamoto
Opsoclonus-myoclonus syndrome (OMS) is characterized by abnormal eye and systemic involuntary movements, as well as cerebellar ataxia. Some sedatives and anesthetics worsen movements associated with OMS, while there is no known report of a negative effect of atropine. We report on sedation in two patients with OMS. Involuntary movements were transiently worsened after using atropine with midazolam or thiamylal in both, but were not seen when atropine was not used. We speculated that atropine has the potential to exacerbate involuntary movements in OMS due to vulnerability to this agent via unknown mechanisms...
January 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
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