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https://www.readbyqxmd.com/read/28540695/pediatric-nasolacrimal-duct-obstruction-benefit-of-a-combined-therapeutic-approach
#1
Miloš Fischer, Iris-Susanne Horn, Mathias Otto, Mandy Pirlich, Andreas Dietz, Christian Mozet
BACKGROUND: Pediatric nasolacrimal duct obstruction (PNDO) requires therapeutic intervention after conservative procedures failed. As resilient treatment guidelines for the treatment are missing, the aim of this study was to evaluate the advantages of two different intervention techniques in children with PNDO. METHODS: Between January, 2006 and June, 2014, 233 children (0-208 months) were treated either with conventional probing by ophthalmologists only (Group I) or with endonasal endoscopic interdisciplinary approach (Group II)...
May 24, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28538656/recent-advances-in-c-c-and-c-n-bond-forming-reactions-catalysed-by-polystyrene-supported-copper-complexes
#2
REVIEW
Pavel Drabina, Jan Svoboda, Miloš Sedlák
This present mini-review covers recently published results on Cu(I) and Cu(II) complexes immobilized on polystyrene carriers, which are used as heterogeneous, eco-friendly reusable catalysts applied for carbon-carbon and carbon-nitrogen forming reactions. Recent advances and trends in this area are demonstrated in the examples of oxidative homocoupling of terminal alkynes, the synthesis of propargylamines, nitroaldolization reactions, azide alkyne cycloaddition, N-arylation of nitrogen containing compounds, aza-Michael additions, asymmetric Friedel-Crafts reactions, asymmetric Mukaiyama aldol reactions, and asymmetric 1,3-dipolar cycloaddition of azomethine ylides...
May 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28532657/mechanistic-link-between-diesel-exhaust-particles-and-respiratory-reflexes
#3
Ryan K Robinson, Mark A Birrell, John J Adcock, Michael A Wortley, Eric D Dubuis, Shu Chen, Catriona M McGilvery, Sheng Hu, Milo Sp Shaffer, Sara J Bonvini, Sarah A Maher, Ian S Mudway, Alexandra E Porter, Chris Carlsten, Teresa D Tetley, Maria G Belvisi
BACKGROUND: Diesel exhaust particles (DEP) are a major component of particulate matter in Europe's largest cities and epidemiological evidence links exposure with respiratory symptoms and asthma exacerbations. Respiratory reflexes are responsible for symptoms and are regulated by vagal afferent nerves which innervate the airway. It is not known how DEP exposure activates airway afferents to elicit symptoms such as cough and bronchospasm. OBJECTIVE: To identify the mechanisms involved in the activation of airway sensory afferents by DEPs...
May 19, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28530247/long-range-ferrimagnetic-order-in-a-two-dimensional-supramolecular-kondo-lattice
#4
Jan Girovsky, Jan Nowakowski, Md Ehesan Ali, Milos Baljozovic, Harald R Rossmann, Thomas Nijs, Elise A Aeby, Sylwia Nowakowska, Dorota Siewert, Gitika Srivastava, Christian Wäckerlin, Jan Dreiser, Silvio Decurtins, Shi-Xia Liu, Peter M Oppeneer, Thomas A Jung, Nirmalya Ballav
Realization of long-range magnetic order in surface-supported two-dimensional systems has been challenging, mainly due to the competition between fundamental magnetic interactions as the short-range Kondo effect and spin-stabilizing magnetic exchange interactions. Spin-bearing molecules on conducting substrates represent a rich platform to investigate the interplay of these fundamental magnetic interactions. Here we demonstrate the direct observation of long-range ferrimagnetic order emerging in a two-dimensional supramolecular Kondo lattice...
May 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28527704/anti-madcam-antibody-pf-00547659-for-ulcerative-colitis-turandot-a-phase-2-randomised-double-blind-placebo-controlled-trial
#5
Séverine Vermeire, William J Sandborn, Silvio Danese, Xavier Hébuterne, Bruce A Salzberg, Maria Klopocka, Dino Tarabar, Tomas Vanasek, Miloš Greguš, Paul A Hellstern, Joo Sung Kim, Miles P Sparrow, Kenneth J Gorelick, Michelle Hinz, Alaa Ahmad, Vivek Pradhan, Mina Hassan-Zahraee, Robert Clare, Fabio Cataldi, Walter Reinisch
BACKGROUND: PF-00547659 is a fully human monoclonal antibody that binds to human mucosal addressin cell adhesion molecule-1 (MAdCAM-1) to selectively reduce lymphocyte homing to the intestinal tract. We aimed to assess the efficacy and safety of PF-00547659 in patients with moderate to severe ulcerative colitis. METHODS: This phase 2, randomised, double-blind, placebo-controlled clinical trial recruited patients aged 18-65 years from 105 centres in 21 countries, with a history (≥3 months) of active ulcerative colitis extending more than 15 cm beyond the anal verge (with a total Mayo score ≥6 and a Mayo endoscopic subscore ≥2) who had failed or were intolerant to at least one conventional therapy...
May 17, 2017: Lancet
https://www.readbyqxmd.com/read/28522822/physical-activity-and-risk-of-comorbidities-in-patients-with-chronic-obstructive-pulmonary-disease-a-cohort-study
#6
Tsung Yu, Gerben Ter Riet, Milo A Puhan, Anja Frei
Multi-morbidity is common in patients with chronic obstructive pulmonary disease and low levels of physical activity are hypothesized to be an important risk factor. The current study aimed to assess the longitudinal association between physical activity and risk of seven categories of comorbidity in chronic obstructive pulmonary disease patients. The study included 409 patients from primary care practice in the Netherlands and Switzerland. We assessed physical activity using the Longitudinal Ageing Study Amsterdam Physical Activity Questionnaire at baseline and followed patients for up to 5 years...
May 18, 2017: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/28520181/encapsulation-and-polymerization-of-white-phosphorus-inside-single-wall-carbon-nanotubes
#7
Martin Hart, Edward R White, Ji Chen, Catriona M McGilvery, Chris J Pickard, Angelos Michaelides, Andrea Sella, Milo Shaffer, Christoph Günter Salzmann
Elemental phosphorus displays an impressive number of allotropes with highly diverse chemical and physical properties. Here, we report that white phosphorus can be filled into single-wall carbon nanotubes (SWCNTs) from the liquid and thereby stabilized against the highly exothermic reaction with atmospheric oxygen. The encapsulated tetraphosphorus molecules were visualized with transmission electron microscopy, but found to convert readily to chain structures inside the SWCNT 'nanoreactors'. The energies of the possible chain structures were determined computationally highlighting a delicate balance between the extent of polymerization and the SWCNT diameter...
May 18, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28512219/energetic-cost-of-building-a-virus
#8
Gita Mahmoudabadi, Ron Milo, Rob Phillips
Viruses are incapable of autonomous energy production. Although many experimental studies make it clear that viruses are parasitic entities that hijack the molecular resources of the host, a detailed estimate for the energetic cost of viral synthesis is largely lacking. To quantify the energetic cost of viruses to their hosts, we enumerated the costs associated with two very distinct but representative DNA and RNA viruses, namely, T4 and influenza. We found that, for these viruses, translation of viral proteins is the most energetically expensive process...
May 16, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28509139/unusual-listeria-monocytogenes-peritonitis-in-peritoneal-dialysis-patient-with-liver-cirrhosis-a-case-report-and-review-of-literature
#9
Miloš Mitrović, P Đurić, A Janković, V Todorov, J Tošić-Dragović, N Simović, T Damjanović, N Dimković
Spontaneous Listeria peritonitis is well described in liver failure, but is uncommon in peritoneal dialysis patients. Atypical cases where peritonitis symptoms develop after systemic manifestations are rare and challenging for diagnostic. A 57-year-old peritoneal dialysis patient with history of ethylic cirrhosis was admitted after epileptic seizure. On admission, patient was soporous without signs of peritonitis and meningitis. Patient's peritoneal effluent was clear, with normal leukocytes. Cranial CT scan showed no abnormalities...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28505334/direction-a-machine-learning-framework-for-predicting-and-characterizing-dna-methylation-and-hydroxymethylation-in-mammalian-genomes
#10
Milos Pavlovic, Pradipta Ray, Kristina Pavlovic, Aaron Kotamarti, Min Chen, Michael Q Zhang
Motivation: 5-Methylcytosine and 5-Hydroxymethylcytosine in DNA are major epigenetic modifications known to significantly alter mammalian gene expression. High-throughput assays to detect these modifications are expensive, labor-intensive, unfeasible in some contexts, and leave a portion of the genome unqueried. Hence, we devised a novel, supervised, integrative learning framework to perform whole-genome methylation and hydroxymethylation predictions in CpG dinucleotides. Our framework can also perform imputation of missing or low quality data in existing sequencing datasets...
May 12, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28502897/a-multifunctional-%C3%AE-cyclodextrin-conjugate-photodelivering-nitric-oxide-with-fluorescence-reporting
#11
Gábor Benkovics, Marta Perez-Lloret, Damien Afonso, András Darcsi, Szabolcs Béni, Éva Fenyvesi, Milo Malanga, Salvatore Sortino
This contribution reports the design, synthesis and photochemical properties of a novel cationic, water soluble, β-cyclodextrin (βCD) conjugate integrating an anthracene moiety and a nitroaniline derivative within the primary side of the βCD scaffold. Photoinduced energy transfer between the anthracene and the nitroaniline chromophores effectively suppresses the fluorescence of the anthracene unit. Excitation with visible light triggers the release of nitric oxide (NO) from the nitroaniline chromophore, accompanied to the concomitant revival of the anthracene fluorescence, which acts as an optical reporter for detecting the amount of the NO released...
May 11, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28502887/open-surgical-treatment-of-secondary-aorto-esophageal-and-aortobronchial-fistula-after-thoracic-endovascular-aortic-repair-and-esophagocoloplasty-in-a-second-procedure
#12
Milos Sladojevic, Milos Bjelovic, Nikola Ilic, Perica Mutavdzic, Igor Koncar, Marko Dragas, Lazar Davidovic
INTRODUCTION: Aorto-esophageal (AEF) and aortobronchial fistula (ABF) after TEVAR are rare complications with catastrophic consequences without treatment. In this case report we presented a patient with AEF and ABF after TEVAR successfully treated with endograft explantation and replaced by Dacron graft followed by esophagectomy and left principal bronchus repairing. CASE REPORT: We report a patient with AEF and ABF after TEVAR who was evaluated due to dysphagia and chest pain followed by hematemesis and hemoptysis...
May 11, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28501014/discrimination-between-acute-and-chronic-decline-of-central-european-forests-using-map-algebra-of-the-growth-condition-and-forest-biomass-fuzzy-sets-a-case-study
#13
Pavel Samec, Jan Caha, Miloš Zapletal, Pavel Tuček, Pavel Cudlín, Miloš Kučera
Forest decline is either caused by damage or else by vulnerability due to unfavourable growth conditions or due to unnatural silvicultural systems. Here, we assess forest decline in the Czech Republic (Central Europe) using fuzzy functions, fuzzy sets and fuzzy rating of ecosystem properties over a 1×1km grid. The model was divided into fuzzy functions of the abiotic predictors of growth conditions (Fpred including temperature, precipitation, acid deposition, soil data and relative site insolation) and forest biomass receptors (Frec including remote sensing data, density and volume of aboveground biomass, and surface humus chemical data)...
May 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28499524/one-stage-gender-confirmation-surgery-as-a-viable-surgical-procedure-for-female-to-male-transsexuals
#14
Borko Stojanovic, Marta Bizic, Marko Bencic, Vladimir Kojovic, Marko Majstorovic, Milos Jeftovic, Dusan Stanojevic, Miroslav L Djordjevic
BACKGROUND: Female-to-male gender-confirmation surgery (GCS) includes removal of breasts and female genitalia and complete genital and urethral reconstruction. With a multidisciplinary approach, these procedures can be performed in one stage, avoiding multistage operations. AIM: To present our results of one-stage sex-reassignment surgery in female-to-male transsexuals and to emphasize the advantages of single-stage over multistage surgery. METHODS: During a period of 9 years (2007-2016), 473 patients (mean age = 31...
May 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28497880/ambient-protection-of-few-layer-black-phosphorus-via-sequestration-of-reactive-oxygen-species
#15
Sumeet Walia, Sivacarendran Balendhran, Taimur Ahmed, Mandeep Singh, Christopher El-Badawi, Mathew D Brennan, Pabudi Weerathunge, Md Nurul Karim, Fahmida Rahman, Andrea Rassell, Jonathan Duckworth, Rajesh Ramanathan, Gavin E Collis, Charlene J Lobo, Milos Toth, Jimmy Christopher Kotsakidis, Bent Weber, Michael Fuhrer, Jose M Dominguez-Vera, Michelle J S Spencer, Igor Aharonovich, Sharath Sriram, Madhu Bhaskaran, Vipul Bansal
Few-layer black phosphorous (BP) has emerged as a promising candidate for next-generation nanophotonic and nanoelectronic devices. However, rapid ambient degradation of mechanically exfoliated BP poses challenges in its practical deployment in scalable devices. To date, the strategies employed to protect BP have relied upon preventing its exposure to atmospheric conditions. Here, an approach that allows this sensitive material to remain stable without requiring its isolation from the ambient environment is reported...
May 12, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28495511/biomolecular-nmr-past-and-future
#16
John L Markley, William Milo Westler
The editors of this special volume suggested this topic, presumably because of the perspective lent by our combined >90-year association with biomolecular NMR. What follows is our personal experience with the evolution of the field, which we hope will illustrate the trajectory of change over the years. As for the future, one can confidently predict that it will involve unexpected advances. Our narrative is colored by our experience in using the NMR Facility for Biomedical Studies at Carnegie-Mellon University (Pittsburgh) and in developing similar facilities at Purdue (1977-1984) and the University of Wisconsin-Madison (1984-)...
May 8, 2017: Archives of Biochemistry and Biophysics
https://www.readbyqxmd.com/read/28492332/cellular-fates-of-manganese-ii-pentaazamacrocyclic-superoxide-dismutase-sod-mimetics-fluorescently-labeled-mnsod-mimetics-x-ray-absorption-spectroscopy-and-x-ray-fluorescence-microscopy-studies
#17
Claire M Weekley, Isabell Kenkel, Rainer Lippert, Shengwei Wei, Dominik Lieb, Tiffanny Cranwell, Jason L Wedding, Annika S Zillmann, Robin Rohr, Milos R Filipovic, Ivana Ivanović-Burmazović, Hugh H Harris
Manganese(II) pentaazamacrocyclic complexes (MnPAMs) can act as small-molecule mimics of manganese superoxide dismutase (MnSOD) with potential therapeutic application in conditions linked to oxidative stress. Previously, the in vitro mechanism of action has been determined, their activity has been demonstrated in cells, and some representatives of this class of MnSOD mimetics have entered clinical trials. However, MnPAM uptake, distribution, and metabolism in cells are largely unknown. Therefore, we have used X-ray fluorescence microscopy (XFM) and X-ray absorption spectroscopy (XAS) to study the cellular fate of a number of MnPAMs...
May 11, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28490748/nuclear-dna-markers-for-identification-of-beluga-and-sterlet-sturgeons-and-their-interspecific-bester-hybrid
#18
Miloš Havelka, Takafumi Fujimoto, Seishi Hagihara, Shinji Adachi, Katsutoshi Arai
Sturgeons (Acipenseriformes) are among the most endangered species in the world due to fragmentation and destruction of their natural habitats and to overexploitation, mainly for highly priced caviar. This has led to the development of sturgeon culture, originally for reintroduction, but more recently for caviar production. In both cases, accurate species identification is essential. We report a new tool for accurate identification of Huso huso and Acipenser ruthenus based on nuclear DNA markers. We employed ddRAD sequencing to identify species-specific nucleotide variants, which served as specific binding sites for diagnostic primers...
May 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28488068/characterisation-of-secondary-metal-bearing-phases-in-used-dental-amalgam-and-assessment-of-gastric-solubility
#19
Miloš Miler
Detailed SEM/EDS investigation of used dental amalgams was carried out in order to characterise morphology and chemical composition of secondary metal-bearing phases resulting from long-term exposure of dental amalgam to oral environment, and assess their solubility in gastric environment. The investigation revealed numerous secondary phases, represented by compositionally and morphologically complex Hg-, Cu-, Sn-, Ag-, Zn-bearing sulphides and oxides/hydroxides, while sulphates and phosphates are scarce. Secondary metal-bearing phases mostly occur at the amalgam/tooth interface; however, some phases were found only on the occlusal surfaces of amalgam...
May 9, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28486288/the-comprehensive-complication-index-cci%C3%A2-added-value-and-clinical-perspectives-3-years-down-the-line
#20
Pierre-Alain Clavien, Diana Vetter, Roxane D Staiger, Ksenija Slankamenac, Tarun Mehra, Rolf Graf, Milo Alan Puhan
OBJECTIVE: To explore the added value of the comprehensive complication index (CCI) to standard assessment of postoperative morbidity, and to clarify potential controversies for its application. BACKGROUND: The CCI was introduced about 3 years ago as a novel metric of postoperative morbidity, integrating in a single formula all complications by severity, ranging from 0 (uneventful course) to 100 (death). It remains unclear, how often the CCI adds to standard reporting of complications and how to apply it in complex postoperative courses...
June 2017: Annals of Surgery
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