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https://www.readbyqxmd.com/read/28813044/short-bent-core-molecules-x-ray-polarization-dielectricity-texture-and-electro-optics-investigations
#1
S Torgova, S P Sreenilayam, Yu P Panarin, O Francescangeli, F Vita, J K Vij, E Pozhidaev, M Minchenko, C Ferrero, A Strigazzi
Bent-core liquid crystals based on 1,2,4-oxadiazole as a central unit have been the first mesogens to exhibit a ferroelectric response in the nematic phase. This behavior has been widely recognized as due to the presence of smectic-like polar cybotactic clusters permeating the nematic phase. Unfortunately, these compounds exhibited rather high melting points, about 120 °C, due to the presence of four benzene rings in the molecules. Here we describe the synthesis and physical characterization of a new series of BC mesogens, featuring the same bent core as the previous compounds but shorter outer substituents...
August 16, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28812888/triply-bonded-gallium%C3%A2-phosphorus-molecules-theoretical-designs-and-characterization
#2
Jia-Syun Lu, Ming-Chung Yang, Ming-Der Su
The effect of substitution on the potential energy surfaces of triple-bonded RGa≡PR (R = F, OH, H, CH3, SiH3, SiMe(SitBu3)2, SiiPrDis2, Tbt (C6H2-2,4,6-{CH(SiMe3)2}3), and Ar* (C6H3-2,6-(C6H2-2,4,6-i-Pr3)2)) compounds was theoretically examined by using the density functional theory (i.e., M06-2X/Def2-TZVP, B3PW91/Def2-TZVP and B3LYP/LANL2DZ+dp). The theoretical evidences strongly suggest all of the triple-bonded RGa≡PR species prefer to select a bent form with an angle (∠Ga-P-R) of about 90°. Moreover, the theoretical observations indicate only the bulkier substituents, in particular for the strong donating groups (e...
August 16, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28810024/effect-of-an-intensive-lifestyle-intervention-on-glycemic-control-in-patients-with-type-2-diabetes-a-randomized-clinical-trial
#3
Mette Yun Johansen, Christopher Scott MacDonald, Katrine Bagge Hansen, Kristian Karstoft, Robin Christensen, Maria Pedersen, Louise Seier Hansen, Morten Zacho, Anne-Sophie Wedell-Neergaard, Signe Tellerup Nielsen, Ulrik Wining Iepsen, Henning Langberg, Allan Arthur Vaag, Bente Klarlund Pedersen, Mathias Ried-Larsen
Importance: It is unclear whether a lifestyle intervention can maintain glycemic control in patients with type 2 diabetes. Objective: To test whether an intensive lifestyle intervention results in equivalent glycemic control compared with standard care and, secondarily, leads to a reduction in glucose-lowering medication in participants with type 2 diabetes. Design, Setting, and Participants: Randomized, assessor-blinded, single-center study within Region Zealand and the Capital Region of Denmark (April 2015-August 2016)...
August 15, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28809415/stimuli-responsive-emissive-behavior-of-1-and-1-3-connectivities-in-azulene-based-imine-ligands-cycloplatination-and-pt-tl-dative-bond-formation
#4
Sirous Jamali, Narges-Alsadat Mousavi, Mojtaba Bagherzadeh, Reza Kia, Hamidreza Samouei
The preparation of two new azulene-based imine ligands N-(2,6-diisopropylphenyl)-6-(t)Bu-1-azulenylmethaneimine, 3, and N-(2,6-diisopropylphenyl)-6-(t)Bu-3-(2,6-diisopropylphenyliminomethyl)-1-azulenylmethaneimine, 4, is described. These imine ligands display stimuli responsive emissive behavior and their fluorescence can be switched on and off by protonation and neutralization with trifluoroacetic acid and trimethylamine, respectively. The cyclometalation of the monoimine ligand by platinum gave the cyclometalated complex [PtMe(SMe2)(3')], 5, (where the prime denotes the cyclometalated ligand 3)...
August 15, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28808783/post-stroke-seizures-are-clinically-underestimated
#5
Carla Bentes, Hugo Martins, Ana Rita Peralta, Carlos Casimiro, Carlos Morgado, Ana Catarina Franco, Ana Catarina Fonseca, Ruth Geraldes, Patrícia Canhão, Teresa Pinho E Melo, Teresa Paiva, José M Ferro
Cerebrovascular disease is the leading cause of epilepsy in adults, although post-stroke seizures reported frequency is variable and few studies used EEG in their identification. To describe and compare EEG and clinical epileptic manifestations frequency in patients with an anterior circulation ischaemic stroke. Prospective study of acute anterior circulation ischaemic stroke patients, consecutively admitted to a Stroke Unit over 24 months and followed-up for 1 year. All patients underwent standardized clinical and diagnostic assessment...
August 14, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28807991/torque-depression-following-active-shortening-is-associated-with-a-modulation-of-cortical-and-spinal-excitation-a-history-dependent-study
#6
Jordan Grant, Chris J McNeil, Leah R Bent, Geoffrey A Power
The reduction in steady-state isometric torque following a shortening muscle action when compared to a purely isometric contraction at the same muscle length and level of activation is termed torque depression (TD). The purpose of this study was to investigate spinal and supraspinal neural responses during the TD state of a maximal voluntary activation of the ankle dorsiflexors. Thirteen subjects (10 male) were recruited for the study. To explore alterations in corticospinal excitability during voluntary muscle activation in the TD state, motor evoked potentials (MEPs), cervicomedullary motor evoked potentials (CMEPs), and maximal compound muscle action potentials (Mmax) were elicited during the isometric steady-state following active shortening (i...
August 2017: Physiological Reports
https://www.readbyqxmd.com/read/28805981/noncompetitive-inhibition-of-human-cyp2c9-in%C3%A2-vitro-by-a-commercial-rhodiola-rosea-product
#7
Ole Kristian Forstrønen Thu, Olav Spigset, Bent Hellum
A commercial Rhodiola rosea (R. rosea) product has previously demonstrated CYP2C9 inhibition in humans. The purpose of this study was to provide in vitro inhibitory data for this particular interaction and to classify the mechanism of the interaction. Another aim was to examine the in vitro influence of ethanol on the CYP2C9 activity. Human CYP2C9 (wild type) isolated from a baculovirus-infected cell system was incubated with 0.8 μmol/L losartan for 20 min. Sulfaphenazole was used as a positive control...
August 2017: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28805935/-uo2cl2-phen-2-a-simple-uranium-vi-compound-with-a-significantly-bent-uranyl-unit-phen-1-10-phenanthroline
#8
Sebastian Schöne, Thomas Radoske, Juliane März, Thorsten Stumpf, Michael Patzschke, Atsushi Ikeda-Ohno
A simple synthesis based on UO2Cl2·n(H2O) and 1,10-phenanthroline (phen) resulted in the formation of a new uranyl(VI) complex [UO2Cl2(phen)2] (1), revealing a unique dodecadeltahedron coordination geometry around the uranium centre with significant bending of the robust linear arrangement of the uranyl (O─U─O) unit. Quantum chemical calculations on complex 1 indicated that the weak but distinct interactions between the uranyl oxygens and the adjacent hydrogens of phen molecules play an important role in forming the dodecadeltahedron geometry that fits to the crystal structure of 1, resulting in the bending the uranyl unit...
August 14, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28804899/coronary-artery-disease-and-risk-of-adverse-cardiac-events-and-stroke
#9
Kevin Kris Warnakula Olesen, Morten Madsen, Gregory Lip, Gro Egholm, Troels Thim, Lisette Okkels Jensen, Bent Raungaard, Jens Cosedis Nielsen, Hans Erik, Henrik Toft Sørensen, Michael Maeng
BACKGROUND: Patients with acute myocardial infarction are at increased risk of ischemic stroke. Previous myocardial infarction is an important part of risk assessment for ischemic stroke. However, there is a lack of information regarding the association between the severity and extent of coronary artery disease and long-term risk of ischemic stroke. MATERIALS AND METHODS: A cohort study of coronary angiographies performed in Western Denmark from January 1, 2003 to December 31, 2012...
August 14, 2017: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/28804597/size-and-concentration-analyses-of-extracellular-vesicles-by-nanoparticle-tracking-analysis-a-variation-study
#10
Beate Vestad, Alicia Llorente, Axl Neurauter, Santosh Phuyal, Bente Kierulf, Peter Kierulf, Tore Skotland, Kirsten Sandvig, Kari Bente F Haug, Reidun Øvstebø
Current methods for characterisation of extracellular vesicles (EVs) need further standardisation in order to obtain an acceptable level of data comparability. Size and concentration of EVs can be determined by nanoparticle tracking analysis (NTA). However, both the heterogeneity of EVs and the choice of instrument settings may cause an appreciable analytical variation. Intra-assay (within-day, n = 6) and inter-assay (day-to-day, n = 6) variations (coefficient of variation, % CV) of different preparations of EVs and artificial vesicles or beads were determined using two NanoSight NS500 instruments, located at different laboratories...
2017: Journal of Extracellular Vesicles
https://www.readbyqxmd.com/read/28801186/interim-results-from-the-catnon-trial-eortc-study-26053-22054-of-treatment-with-concurrent-and-adjuvant-temozolomide-for-1p-19q-non-co-deleted-anaplastic-glioma-a-phase-3-randomised-open-label-intergroup-study
#11
Martin J van den Bent, Brigitta Baumert, Sara C Erridge, Michael A Vogelbaum, Anna K Nowak, Marc Sanson, Alba Ariela Brandes, Paul M Clement, Jean Francais Baurain, Warren P Mason, Helen Wheeler, Olivier L Chinot, Sanjeev Gill, Matthew Griffin, David G Brachman, Walter Taal, Roberta Rudà, Michael Weller, Catherine McBain, Jaap Reijneveld, Roelien H Enting, Damien C Weber, Thierry Lesimple, Susan Clenton, Anja Gijtenbeek, Sarah Pascoe, Ulrich Herrlinger, Peter Hau, Frederic Dhermain, Irene van Heuvel, Roger Stupp, Ken Aldape, Robert B Jenkins, Hendrikus Jan Dubbink, Winand N M Dinjens, Pieter Wesseling, Sarah Nuyens, Vassilis Golfinopoulos, Thierry Gorlia, Wolfgang Wick, Johan M Kros
BACKGROUND: The role of temozolomide chemotherapy in newly diagnosed 1p/19q non-co-deleted anaplastic gliomas, which are associated with lower sensitivity to chemotherapy and worse prognosis than 1p/19q co-deleted tumours, is unclear. We assessed the use of radiotherapy with concurrent and adjuvant temozolomide in adults with non-co-deleted anaplastic gliomas. METHODS: This was a phase 3, randomised, open-label study with a 2 × 2 factorial design. Eligible patients were aged 18 years or older and had newly diagnosed non-co-deleted anaplastic glioma with WHO performance status scores of 0-2...
August 8, 2017: Lancet
https://www.readbyqxmd.com/read/28798240/tetraparesia-an-unusual-presentation-of-disseminated-tuberculosis
#12
Filipa Quaresma, Margarida Bentes Jesus
A 48-year-old man with a 4 months history of asthenia, anorexia, 10 kg weight loss and 1 month of hematuria and dysuria was admitted to another hospital for sudden muscular weakness. He was found to have areflexic tetraparesis and was referred to our hospital.On admission, he was bradycardic, tachypneic, with flaccid tetraplegia. Laboratory results showed metabolic acidemia, severe hyperkalemia and hyponatremia, acute renal dysfunction and sterile pyuria. After hyperkalemia correction, the neurological symptoms resolved...
August 10, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28797711/identification-of-a-myofibroblast-specific-expression-signature-in-skin-wounds
#13
Vera Bergmeier, Julia Etich, Lena Pitzler, Christian Frie, Manuel Koch, Matthias Fischer, Gunter Rappl, Hinrich Abken, James J Tomasek, Bent Brachvogel
After skin injury fibroblasts migrate into the wound and transform into contractile, extracellular matrix-producing myofibroblasts to promote skin repair. Persistent activation of myofibroblasts can cause excessive fibrotic reactions, but the underlying mechanisms are not fully understood. We used SMA-GFP transgenic mice to study myofibroblast recruitment and activation in skin wounds. Myofibroblasts were initially recruited to wounds three days post injury, their number reached a maximum after seven days and subsequently declined...
August 7, 2017: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/28795770/a-national-prospective-observational-study-of-first-recurrence-after-primary-treatment-for-gynecological-cancer-in-norway
#14
Ingvild Vistad, Line Bjørge, Olesya Solheim, Bent Fiane, Kurt Sachse, Jostein Tjugum, Siri Skrøppa, Anne Gry Bentzen, Trine Stokstad, Grete A Iversen, Helga B Salvesen, Gunnar B Kristensen, Anne Dørum
INTRODUCTION: Gynecological cancer patients are routinely followed up for 5 years after primary treatment. However, the value of such follow-up has been debated, as retrospective studies indicate that first recurrence is often symptomatic and occurs within 2-3 years of primary treatment. We prospectively investigated time to first recurrence, symptoms at recurrence, diagnostic procedures, and recurrence treatment in gynecological cancer patients after primary curative treatment. MATERIAL AND METHODS: Clinicians from 21 hospitals in Norway interviewed 680 patients with first recurrence of gynecological cancer (409 ovarian, 213 uterine, and 58 cervical cancer patients) between 2012 and 2016...
August 10, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28795567/buckled-thin-film-transistors-and-circuits-on-soft-elastomers-for-stretchable-electronics
#15
Giuseppe Cantarella, Christian Vogt, Raoul Hopf, Niko Münzenrieder, Panagiotis Andrianakis, Luisa Petti, Alwin Daus, Stefan Knobelspies, Lars Büthe, Gerhard Troester, Giovanni A Salvatore
Although recent progress in the field of flexible electronics has allowed the realization of biocompatible and conformable electronics, systematic approaches which combine high bendability (< 3 mm bending radius), high stretchability ( > 3-4 %) and low complexity in the fabrication process are still missing. Here, we show a technique to induce randomly-oriented and customized wrinkles on the surface of a biocompatible elastomeric substrate, where Thin-Film Transistors (TFTs) and circuits (inverter and logic NAND gates) based on Amorphous-IGZO are fabricated...
August 10, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28795475/the-state-of-danish-nursing-ethnographic-research-flowering-nurtured-or-malnurtured-a-critical-review
#16
REVIEW
Lisbeth Uhrenfeldt, Bente Martinsen, Lene Bastrup Jørgensen, Erik Elgaard Sørensen
BACKGROUND: Nursing was established in Denmark as a scholarly tradition in the late nineteen eighties, and ethnography was a preferred method. No critical review has yet summarised accomplishments and gaps and pointing at directions for the future methodological development and research herein. AIM: This review critically examines the current state of the use of ethnographic methodology in the body of knowledge from Danish nursing scholars. METHODS: We performed a systematic literature search in relevant databases from 2003 to 2016...
August 9, 2017: Scandinavian Journal of Caring Sciences
https://www.readbyqxmd.com/read/28795441/characterization-of-four-escherichia-coli-clonal-groups
#17
Bente Olesen
No abstract text is available yet for this article.
August 2017: APMIS: Acta Pathologica, Microbiologica, et Immunologica Scandinavica
https://www.readbyqxmd.com/read/28795389/anti-nociceptive-effect-of-patchouli-alcohol-involving-attenuation-of-cyclooxygenase-2-and-modulation-of-mu-opioid-receptor
#18
Xuan Yu, Xin-Pei Wang, Xiao-Jin Yan, Jing-Fei Jiang, Fan Lei, Dong-Ming Xing, Yue-Ying Guo, Li-Jun Du
OBJECTIVE: To explore the anti-nociceptive effect of patchouli alcohol (PA), the essential oil isolated from Pogostemon cablin (Blanco) Bent, and determine the mechanism in molecular levels. METHODS: The acetic acid-induced writhing test and formalin-induced plantar injection test in mice were employed to confifirm the effect in vivo. Intracellular calcium ion was imaged to verify PA on mu-opioid receptor (MOR). Cyclooxygenase 2 (COX2) and MOR of mouse brain were expressed for determination of PA's target...
August 9, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28791012/extracellular-vesicles-transfer-the-receptor-programmed-death-1-in-rheumatoid-arthritis
#19
Stinne R Greisen, Yan Yan, Aida S Hansen, Morten T Venø, Jens R Nyengaard, Søren K Moestrup, Malene Hvid, Gordon J Freeman, Jørgen Kjems, Bent Deleuran
INTRODUCTION: Extracellular vesicles (EVs) have been recognized as route of communication in the microenvironment. They transfer proteins and microRNAs (miRNAs) between cells, and possess immunoregulatory properties. However, their role in immune-mediated diseases remains to be elucidated. We hypothesized a role for EVs in the rheumatoid arthritis (RA) joint, potentially involving the development of T cell exhaustion and transfer of the co-inhibitory receptor programmed death 1 (PD-1)...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28789921/discontinuation-of-denosumab-therapy-for-osteoporosis-a-systematic-review-and-position-statement-by-ects
#20
REVIEW
Elena Tsourdi, Bente Langdahl, Martine Cohen-Solal, Bérengere Aubry-Rozier, Erik Fink Eriksen, Nuria Guañabens, Barbara Obermayer-Pietsch, Stuart H Ralston, Richard Eastell, M Carola Zillikens
INTRODUCTION: The optimal duration of osteoporosis treatment is controversial. As opposed to bisphosphonates, denosumab does not incorporate into bone matrix and bone turnover is not suppressed after its cessation. Recent reports imply that denosumab discontinuation may lead to an increased risk of multiple vertebral fractures. METHODS: The European Calcified Tissue Society (ECTS) formed a working group to perform a systematic review of existing literature on the effects of stopping denosumab and provide advice on management...
August 5, 2017: Bone
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