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https://www.readbyqxmd.com/read/28537712/proton-control-of-the-lanthanoid-single-ion-magnet-behavior-of-a-double-decker-complex-with-an-indolenine-substituted-annulene-ligand
#1
Zhifu Liang, Marko Damjanović, Mritunjoy Kamila, Goulven Cosquer, Brian K Breedlove, Markus Enders, Masahiro Yamashita
Two double-decker complexes with annulene ligands functionalized with indolenine groups were synthesized and characterized. The position of the proton acting as a counterion on one of the four indolenine nitrogen atoms was determined by using DFT calculations. Deprotonation and protonation of the complex induced by adding a base and an acid, respectively, were monitored by using NMR spectroscopy. Moreover, a correlation among the degree of protonation of the complex, the opening of the hysteresis, and the slow relaxation time is discussed...
May 24, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28532499/laparoscopic-roux-en-y-gastric-bypass-versus-laparoscopic-mini-gastric-bypass-in-the-treatment-of-obesity-study-protocol-for-a-randomized-controlled-trial
#2
Marko Kraljević, Tarik Delko, Thomas Köstler, Elena Osto, Thomas Lutz, Sarah Thommen, Raoul A Droeser, Lincoln Rothwell, Daniel Oertli, Urs Zingg
BACKGROUND: Laparoscopic Roux-en-Y gastric bypass (LRYGB) is considered the gold standard in bariatric surgery, achieving durable long-term weight loss with improvement of obesity-related comorbidities. Lately, the laparoscopic mini gastric bypass (LMGB) has gained worldwide popularity with similar results to LRYGB in terms of weight loss and comorbidity resolution. However, there is a lack of randomized controlled trials (RCT) comparing LMGB and LRYGB. This article describes the design and protocol of a randomized controlled trial comparing the outcomes of these two bariatric procedures...
May 22, 2017: Trials
https://www.readbyqxmd.com/read/28532407/socioeconomic-inequalities-in-the-uptake-of-maternal-healthcare-services-in-ethiopia
#3
Markos Mezmur, Kannan Navaneetham, Gobopamang Letamo, Hadgu Bariagaber
BACKGROUND: The progress in coverage of maternal health services in Ethiopia has been rather slow over the past decade and consequently the maternal mortality ratio was very high (673 per 100,000 live births) among the countries in Sub-Saharan Africa and remained constant during 2005-11 period. Earlier studies have mostly focused on determinants of maternal health seeking behavior in Ethiopia. However, little is known about the inequality aspects. This study intends to examine socioeconomic inequalities in the uptake of maternal health services and to identify factors that contribute to such inequalities...
May 22, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28531823/correlates-of-khat-use-during-pregnancy-a-cross-sectional-study
#4
Motohiro Nakajima, Mulusew G Jebena, Mohammed Taha, Markos Tesfaye, Esayas Gudina, Andrine Lemieux, Richard Hoffman, Mustafa al'Absi
OBJECTIVES: Khat is widely used in East African countries including Ethiopia. A growing body of evidence indicates that long-term khat use is associated with various health consequences. The aim of this study was to examine the magnitude and correlates of khat use in pregnant women. METHODS: This study used a cross-sectional, face-to-face interview design that included 642 pregnant women receiving antenatal care services at primary care centers in Ethiopia. A series of chi-square tests and regression models were conducted to examine whether khat use status (i...
May 9, 2017: Addictive Behaviors
https://www.readbyqxmd.com/read/28530249/large-scale-quantum-emitter-arrays-in-atomically-thin-semiconductors
#5
Carmen Palacios-Berraquero, Dhiren M Kara, Alejandro R-P Montblanch, Matteo Barbone, Pawel Latawiec, Duhee Yoon, Anna K Ott, Marko Loncar, Andrea C Ferrari, Mete Atatüre
Quantum light emitters have been observed in atomically thin layers of transition metal dichalcogenides. However, they are found at random locations within the host material and usually in low densities, hindering experiments aiming to investigate this new class of emitters. Here, we create deterministic arrays of hundreds of quantum emitters in tungsten diselenide and tungsten disulphide monolayers, emitting across a range of wavelengths in the visible spectrum (610-680 nm and 740-820 nm), with a greater spectral stability than their randomly occurring counterparts...
May 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28529693/a-simple-method-for-calculation-of-basic-molecular-properties-of-nutrients-and-their-use-as-a-criterion-for-a-healthy-diet
#6
Veljko Veljkovic, Vladimir Perovic, Marko Anderluh, Slobodan Paessler, Milena Veljkovic, Sanja Glisic, Garth Nicolson
Background: Healthy nutrition is vital for good health and well-being. Despite the important role of a healthy nutritional diet, recommendations for healthy eating remain elusive and are mainly based on general properties of nutrients. The present study proposes an improved characterization of the molecular characteristics of nutrients, which are important for biological functions and can be useful in describing a healthy diet. Methods: We investigated the electronic properties of some known nutrient ingredients...
2017: F1000Research
https://www.readbyqxmd.com/read/28526193/effects-of-multiple-breath-hold-reproducibility-on-treatment-localization-and-dosimetric-accuracy-in-radiotherapy-of-left-sided-breast-cancer-with-voluntary-deep-inspiration-breath-hold-technique
#7
Mika Kapanen, Marko Laaksomaa, Jani Pehkonen, Mikko Haltamo, Helmi Luukkanen, Turkka Lehtonen, Simo Hyödynmaa, Pirkko-Liisa Kellokumpu-Lehtinen
The purpose of this study was to investigate the effects of breath hold reproducibility on positional and dosimetric errors in radiotherapy of patients with left-sided breast cancer (LSBC) treated with voluntary deep inspiration breath hold (vDIBH) technique. Clinical data from 2 groups of patients with LSBC were retrospectively investigated: (1) those irradiated for the whole breast only (WB group, n = 20) using typically from 3 to 5 breath holds per treatment session and (2) those irradiated simultaneously also for supraclavicular lymph nodes (WB + SLN group, n = 27) using from 7 to 9 breath holds per fraction...
May 16, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/28522452/arthroscopic-partial-meniscectomy-versus-placebo-surgery-for-a-degenerative-meniscus-tear-a-2-year-follow-up-of-the-randomised-controlled-trial
#8
Raine Sihvonen, Mika Paavola, Antti Malmivaara, Ari Itälä, Antti Joukainen, Heikki Nurmi, Juha Kalske, Anna Ikonen, Timo Järvelä, Tero Ah Järvinen, Kari Kanto, Janne Karhunen, Jani Knifsund, Heikki Kröger, Tommi Kääriäinen, Janne Lehtinen, Jukka Nyrhinen, Juha Paloneva, Outi Päiväniemi, Marko Raivio, Janne Sahlman, Roope Sarvilinna, Sikri Tukiainen, Ville-Valtteri Välimäki, Ville Äärimaa, Pirjo Toivonen, Teppo Ln Järvinen
OBJECTIVE: To assess if arthroscopic partial meniscectomy (APM) is superior to placebo surgery in the treatment of patients with degenerative tear of the medial meniscus. METHODS: In this multicentre, randomised, participant-blinded and outcome assessor-blinded, placebo-surgery controlled trial, 146 adults, aged 35-65 years, with knee symptoms consistent with degenerative medial meniscus tear and no knee osteoarthritis were randomised to APM or placebo surgery. The primary outcome was the between-group difference in the change from baseline in the Western Ontario Meniscal Evaluation Tool (WOMET) and Lysholm knee scores and knee pain after exercise at 24 months after surgery...
May 18, 2017: Annals of the Rheumatic Diseases
https://www.readbyqxmd.com/read/28521377/-checklist-for-the-development-and-assessment-of-cost-of-illness-studies
#9
Dirk Müller, Stephanie Stock, Charalabos-Markos Dintsios, Nadja Chernyak, Andreas Gerber-Grote, Tristan Daniel Gloede, Benita Hermann, Eduard Huppertz, Fabian Jülich, Sarah Mostardt, Juliane Köberlein-Neu, Anne Prenzler, Hans-Joachim Salize, Sara Santos, Benjamin Scheckel, Astrid Seidl, Katharina Wahlers, Andrea Icks
Background Cost-of-illness (CoI) studies are important instruments for estimating the socioeconomic burden of specified diseases. CoI studies provide important information about the cost structure of a disease, the resulting research need, approaches to improve aspects of care and, monetary consequences from different perspectives. This information can be useful for healthcare research and health policy. Due to heterogeneity of available Cost-of-Illness studies, the working group 'Health Economics' of the German Network for Healthcare Research (DNVF) in accordance with the German Society for Health Economics (DGGÖ) developed an instrument for the planning, conduct and assessment of CoI studies...
May 18, 2017: Das Gesundheitswesen
https://www.readbyqxmd.com/read/28521355/minimally-invasive-middle-fossa-keyhole-craniectomy-for-repair-of-superior-semicircular-canal-dehiscence
#10
Trieu Vanessa, Panayiotis E Pelargos, Marko Spasic, Lawrance K Chung, Brittany Voth, Nolan Ung, Quinton Gopen, Isaac Yang
BACKGROUND: Superior semicircular canal dehiscence (SSCD) presents with varying degrees of auditory and vestibular dysfunction. The condition is confirmed on high-resolution computed tomography (CT) imaging, and symptoms are often improved by surgical repair. Although a classic middle fossa craniotomy has been used with good results, recent advances in technique have allowed for modification of the traditional approach into a smaller skin incision and a minimally invasive middle fossa keyhole craniectomy roughly 1...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28512108/clinical-relevance-and-role-of-neuronal-at1-receptors-in-adam17-mediated-ace2-shedding-in-neurogenic-hypertension
#11
Jiaxi Xu, Srinivas Sriramula, Huijing Xia, Lisa Moreno-Walton, Frank Culicchia, Oliver Domenig, Marko Poglitsch, Eric Lazartigues
Rationale: Neurogenic hypertension is characterized by an increase in sympathetic activity and often resistance to drug treatments. We previously reported that it is also associated with a reduction of Angiotensin Converting Enzyme 2 (ACE2) and an increase in A Disintegrin And Metalloprotease 17 (ADAM17) activity in experimental hypertension. In addition, while multiple cells within the central nervous system have been involved in the development of neurogenic hypertension, the contribution of ADAM17 has not been investigated...
May 16, 2017: Circulation Research
https://www.readbyqxmd.com/read/28510637/telomeres-nutrition-and-longevity-can-we-really-navigate-our-aging
#12
Nikolina Škrobot Vidacek, Lucia Nanic, Sanda Ravlic, Mary Sopta, Marko Geric, Goran Gajski, Vera Garaj-Vrhovac, Ivica Rubelj
Telomeres are dynamic chromosome-end structures that serve as guardians of genome stability. They are known to be one of the major determinants of aging and longevity in higher mammals. Studies have demonstrated a direct correlation between telomere length and life expectancy, stress, DNA damage, and onset of aging-related diseases. This review discusses the most important factors that influence our telomeres. Various genetic and environmental factors such as diet, physical activity, obesity, and stress are known to influence health and longevity as well as telomere dynamics...
May 16, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28506940/cool-ami-eu-pilot-trial-a-multicentre-prospective-randomised-controlled-trial-to-assess-cooling-as-an-adjunctive-therapy-to-percutaneous-intervention-in-patients-with-acute-myocardial-infarction
#13
Marko Noc, David Erlinge, Aleksandar N Neskovic, Srdjan Kafedzic, Béla Merkely, Endre Zima, Misa Fister, Milovan Petrović, Milenko Čanković, Gábor Veress, Peep Laanmets, Teele Pern, Vladan Vukcevic, Vladimir Dedovic, Beata Średniawa, Andrzej Świątkowski, Thomas R Keeble, John R Davies, Alexandra-Maria Warenits, Göran Olivecrona, Jan Zbigniew Peruga, Michal Ciszewski, Ivan Horvath, Istvan Edes, Gergely Gyorgy Nagy, Daniel Aradi, Michael Holzer
AIMS: We aimed to investigate the rapid induction of therapeutic hypothermia using the ZOLL Proteus Intravascular Temperature Management System in patients with anterior ST-elevation myocardial infarction (STEMI) without cardiac arrest. METHODS AND RESULTS: A total of 50 patients were randomised; 22 patients (88%; 95% confidence interval [CI]: 69-97%) in the hypothermia group and 23 patients (92%; 95% CI: 74-99) in the control group completed cardiac magnetic resonance imaging at four to six days and 30-day follow-up...
May 17, 2017: EuroIntervention
https://www.readbyqxmd.com/read/28504759/reconfigurable-opto-thermal-graded-index-waveguiding-in-bulk-chalcogenide-glasses
#14
Soroush Shabahang, Nicholas S Nye, Christos Markos, Demetrios N Christodoulides, Ayman F Abouraddy
In the absence of suitable deposition processes, the fabrication of graded-index chalcogenide waveguides or fibers remains an outstanding challenge. Here, by exploiting the strong thermo-optic effect present in chalcogenide glasses, we experimentally demonstrate non-permanent optically-induced waveguides in bulk As<sub>2</sub>Se<sub>3</sub> rods using a 1.55 μm wavelength laser. This single-step process can be used not only to self-trap the writing beam, but also to guide another optical beam at a different wavelength in the opto-thermally inscribed waveguide channel...
May 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28503902/electrochemical-and-biocompatibility-examinations-of-high-pressure-torsion-processed-titanium-and-ti-13nb-13zr-alloy
#15
Ivana Dimić, Ivana Cvijović-Alagić, Anton Hohenwarter, Reinhard Pippan, Vesna Kojić, Jelena Bajat, Marko Rakin
The purpose of this study was to estimate the electrochemical behavior and biocompatibility of ultrafine-grained (UFG) commercially pure titanium (CPTi) and Ti-13Nb-13Zr (TNZ) alloy obtained by high-pressure torsion process. Electrochemical behavior of materials in artificial saliva at 37°C was evaluated by potentiodynamic polarization tests and electrochemical impedance spectroscopy (EIS), and the obtained results indicated that UFG TNZ alloy showed corrosion current density (jcorr  = 53 ± 5 nA cm(-2) ) which was 2 times lower compared to coarse-grained (CG) TNZ alloy (jcorr  = 110 ± 12 nA cm(-2) ) and higher corrosion resistance, while UFG CPTi and CPTi showed approximately the same corrosion rate (mean jcorr ∼ 38-40 nA cm(-2) )...
May 15, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28503810/a-minor-role-of-asparaginase-in-predisposing-to-cerebral-venous-thromboses-in-adult-acute-lymphoblastic-leukemia-patients
#16
Saara Roininen, Outi Laine, Marjut Kauppila, Marko Vesanen, Maria Rämet, Marjatta Sinisalo, Esa Jantunen, Marjaana Säily, Riikka Räty, Erkki Elonen, Ulla Wartiovaara-Kautto
Cerebral venous thrombosis (CVT) covers up to a third of all venous thromboses (VTs) detected in patients with acute lymphoblastic leukemia (ALL). It usually hampers patients' lives and may also endanger efficient leukemia treatment. Although many factors have been suggested to account for an elevated risk of VTs in patients with ALL, there still is a lack of studies focusing on CVTs and especially in the setting of adult ALL patients. We studied in our retrospective population-based cohort the occurrence, characteristics, as well as risk factors for VTs in 186 consecutively diagnosed Finnish adult ALL patients treated with a national pediatric-inspired treatment protocol ALL2000...
May 15, 2017: Cancer Medicine
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
#17
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/28500840/cystatin-c-deficiency-suppresses-tumor-growth-in-a-breast-cancer-model-through-decreased-proliferation-of-tumor-cells
#18
Janja Završnik, Miha Butinar, Mojca Trstenjak Prebanda, Aleksander Krajnc, Robert Vidmar, Marko FonoviÄ, Anders Grubb, Vito Turk, Boris Turk, Olga Vasiljeva
Cysteine cathepsins are proteases that, in addition to their important physiological functions, have been associated with multiple pathologies, including cancer. Cystatin C (CstC) is a major endogenous inhibitor that regulates the extracellular activity of cysteine cathepsins. We investigated the role of cystatin C in mammary cancer using CstC knockout mice and a mouse model of breast cancer induced by expression of the polyoma middle T oncoprotein (PyMT) in the mammary epithelium. We showed that the ablation of CstC reduced the rate of mammary tumor growth...
April 24, 2017: Oncotarget
https://www.readbyqxmd.com/read/28499524/one-stage-gender-confirmation-surgery-as-a-viable-surgical-procedure-for-female-to-male-transsexuals
#19
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/28496304/evaluation-of-the-antitumor-activity-of-nov202-a-novel-microtubule-targeting-and-vascular-disrupting-agent
#20
Linda Rickardson, Emma Kutvonen, Satu Orasniemi, Marita Högberg, Marko J Kallio, Stefan Rehnmark
PURPOSE: Overall, ~65% of patients diagnosed with advanced ovarian cancer (OC) will relapse after primary surgery and adjuvant first-line platinum- and taxane-based chemotherapy. Significant improvements in the treatment of OC are expected from the development of novel compounds having combined cytotoxic and antiangiogenic properties that make them effective on refractory tumors. METHODS: Permeability of NOV202 was determined with Caco-2 monolayer assay. The compound's pharmacokinetic profile and plasma:brain distribution were assessed in male C57Bl/6 mice...
2017: Drug Design, Development and Therapy
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