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https://www.readbyqxmd.com/read/28654923/antibakterielle-in-vitro-wirksamkeit-%C3%A3-therischer-%C3%A3-le-gegen-veterin%C3%A3-rmedizinisch-relevante-keime-klinischer-isolate-von-hunden-katzen-und-pferden
#1
Doris Bismarck, Marianne Schneider, Elisabeth Müller
Einleitung: Ätherische Öle sind die Grundlage der Aromatherapie. Unter anderem wird ihnen eine antibakterielle Wirkung zugeschrieben. In dieser Studie sollte die In-vitro-Wirksamkeit ätherischer Öle gegen ein breites Spektrum veterinärmedizinisch relevanter Erreger getestet werden. Methoden: Die antibakterielle Aktivität von 16 ätherischen Ölen wurde mittels Agardiffusionstest bestimmt. Getestet wurden grampositive und gramnegative Erreger, die aus klinischen Isolaten von Hunden, Katzen und Pferden aus der veterinärmedizinischen Routinediagnostik stammten...
2017: Complementary Medicine Research
https://www.readbyqxmd.com/read/28653972/active-hcv-replication-but-not-hcv-or-cmv-seropositive-status-is-associated-with-incident-and-prevalent-type-2-diabetes-in-persons-living-with-hiv
#2
Andrea De Luca, Patrizia Lorenzini, Antonella Castagna, Massimo Puoti, Nicola Gianotti, Francesco Castelli, Claudio Mastroianni, Franco Maggiolo, Andrea Antinori, Giovanni Guaraldi, Miriam Lichtner, Antonella dʼArminio Monforte
OBJECTIVE: To analyze the association between chronic hepatitis C virus (HCV) and cytomegalovirus (CMV) infections with type 2 diabetes in HIV-infected patients. METHODS: HIV-1-infected patients enrolled in ICONA, a prospective cohort study involving 42 tertiary care centers in Italy, were selected with the following characteristics: for the diabetes incidence analysis, all patients with available CMV IgG results (first available test = baseline) and without type 2 diabetes were followed until onset of type 2 diabetes, last available clinical follow-up, death or September 30, 2014, whichever occurred first; for the prevalence analysis, all ICONA patients were analyzed at their last follow-up visit...
August 1, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28653317/-osf6-x-molecular-models-for-spin-orbit-entangled-phenomena
#3
Rodolphe Clerac, Kasper Pedersen, Daniel Wooddruff, Saurabh Kumar Singh, Alain Tressaud, Etienne Durand, Mihail Atanasov, Panagiota Perlepe, Katharina Ollefs, Fabrice Wilhelm, Corine Mathonière, Frank Neese, Andrei Rogalev, Jesper Bendix
Heavy 5d elements, like osmium, feature strong spin-orbit interaction which is at the origin of exotic physical behaviors. Revealing the full potential of e.g. novel osmium oxide materials ("osmates") is however contingent upon a detailed understanding of the local single-ion properties. Herein, we report on two molecular osmate analogues, [OsF6]2- and [OsF6]-, as model systems for Os4+ and Os5+ centres found in oxides. Using X-ray absorption spectroscopy (XAS) and X-ray magnetic circular dichroism (XMCD) techniques combined with state-of-the-art ab initio calculations, we elucidate their ground state, which is mirroring the osmium electronic structure in osmates...
June 26, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28652821/hiv-risk-and-barriers-to-care-for-african-born-immigrant-women-a-sociocultural-outlook
#4
Olihe N Okoro, Shanasha O Whitson
BACKGROUND: Data from the Minnesota Department of Health (MDH) HIV/AIDS Surveillance Report 2015 show that African-born (AB) women continue to be disproportionately affected by HIV. In 2015, these women accounted for more than half (54%) of all new cases of HIV reported among females in Minnesota and 34% of all known female cases in the state. This study was a needs assessment for HIV pre-exposure prophylaxis (PrEP) in vulnerable subgroups within the AB population and adequacy of HIV care for AB persons...
2017: International Journal of Women's Health
https://www.readbyqxmd.com/read/28652401/interaction-between-multimeric-von-willebrand-factor-and-complement-a-fresh-look-to-the-pathophysiology-of-microvascular-thrombosis
#5
Serena Bettoni, Miriam Galbusera, Sara Gastoldi, Roberta Donadelli, Chiara Tentori, Giuseppina Spartà, Elena Bresin, Caterina Mele, Marta Alberti, Agustin Tortajada, Hugo Yebenes, Giuseppe Remuzzi, Marina Noris
von Willebrand factor (VWF), a multimeric protein with a central role in hemostasis, has been shown to interact with complement components. However, results are contrasting and inconclusive. By studying 20 patients with congenital thrombotic thrombocytopenic purpura (cTTP) who cannot cleave VWF multimers because of genetic ADAMTS13 deficiency, we investigated the mechanism through which VWF modulates complement and its pathophysiological implications for human diseases. Using assays of ex vivo serum-induced C3 and C5b-9 deposits on endothelial cells, we documented that in cTTP, complement is activated via the alternative pathway (AP) on the cell surface...
June 26, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28652330/exploiting-the-synthetic-lethality-between-terminal-respiratory-oxidases-to-kill-mycobacterium-tuberculosis-and-clear-host-infection
#6
Nitin P Kalia, Erik J Hasenoehrl, Nurlilah B Ab Rahman, Vanessa H Koh, Michelle L T Ang, Dannah R Sajorda, Kiel Hards, Gerhard Grüber, Sylvie Alonso, Gregory M Cook, Michael Berney, Kevin Pethe
The recent discovery of small molecules targeting the cytochrome bc1 :aa3 in Mycobacterium tuberculosis triggered interest in the terminal respiratory oxidases for antituberculosis drug development. The mycobacterial cytochrome bc1 :aa3 consists of a menaquinone:cytochrome c reductase (bc1 ) and a cytochrome aa3 -type oxidase. The clinical-stage drug candidate Q203 interferes with the function of the subunit b of the menaquinone:cytochrome c reductase. Despite the affinity of Q203 for the bc1 :aa3 complex, the drug is only bacteriostatic and does not kill drug-tolerant persisters...
June 26, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28652163/health-related-quality-of-life-after-radical-cystectomy-a-cross-sectional-study-with-matched-pair-analysis-on-ileal-conduit-versus-ileal-orthotopic-neobladder-diversion
#7
Maria Angela Cerruto, Carolina D'Elia, Salvatore Siracusano, Omar Saleh, Mauro Gacci, Giovanni Cacciamani, Vincenzo De Marco, Antonio Benito Porcaro, Matteo Balzarro, Mauro Niero, Cristina Lonardi, Massimo Iafrate, Pierfrancesco Bassi, Ciro Imbimbo, Marco Racioppi, Renato Talamini, Stefano Ciciliato, Sergio Serni, Marco Carini, Paolo Verze, Walter Artibani
OBJECTIVE: To examine the different and Health-Related Quality of Life (HR-QoL) outcomes between ileal conduit (IC) vs. ileal-orthotopic-neobladder (IONB) in patients who underwent RC for primary BC, by using validated self-reported cancer-specific instruments. METHODS: This retrospective, cross sectional, multicentre cohort study included 148 and 171 patients who underwent RC with either IC or IONB with curative intent. HR-QoL was evaluated with QLQ.C-30 and BLM-30 EORTC questionnaires...
June 23, 2017: Urology
https://www.readbyqxmd.com/read/28651102/childhood-stress-and-birth-timing-among-african-american-women-cortisol-as-biological-mediator
#8
Shannon L Gillespie, Lisa M Christian, Angela D Alston, Pamela J Salsberry
Preterm birth (PTB) occurs among 1:11U.S. white women and 1:7.5 African American women and is a significant driver of racial disparities in infant mortality. Maternal stress is the most common clinical phenotype underlying spontaneous PTB. Specific patterns of stress and biological mediators driving PTB remain unclear. We examined the effect of childhood stress on birth timing among African American women and evaluated maternal cortisol elevation as a biological mediator. A prospective observational design was employed, with a single study visit at 28-32 weeks gestation and medical record review...
June 15, 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28650442/magnetic-brightening-and-control-of-dark-excitons-in-monolayer-wse2
#9
Xiao-Xiao Zhang, Ting Cao, Zhengguang Lu, Yu-Chuan Lin, Fan Zhang, Ying Wang, Zhiqiang Li, James C Hone, Joshua A Robinson, Dmitry Smirnov, Steven G Louie, Tony F Heinz
Monolayer transition metal dichalcogenide crystals, as direct-gap materials with strong light-matter interactions, have attracted much recent attention. Because of their spin-polarized valence bands and a predicted spin splitting at the conduction band edges, the lowest-lying excitons in WX2 (X = S, Se) are expected to be spin-forbidden and optically dark. To date, however, there has been no direct experimental probe of these dark excitons. Here, we show how an in-plane magnetic field can brighten the dark excitons in monolayer WSe2 and permit their properties to be observed experimentally...
June 26, 2017: Nature Nanotechnology
https://www.readbyqxmd.com/read/28650041/competition-between-the-h-and-d-atom-transfer-channels-in-the-h2o-hd-reaction-reduced-dimensional-quantum-and-quasi-classical-studies
#10
Hongwei Song, Anyang Li, Minghui Yang, Hua Guo
The ion-molecule reaction between a water cation and a hydrogen molecule has recently attracted considerable interest due to its importance in astrochemistry. In this work, the intramolecular isotope effect of the H2O(+) + HD reaction is investigated using a seven-dimensional initial state-selected time-dependent wave packet approach as well as a full-dimensional quasi-classical trajectory method on a full-dimensional ab initio global potential energy surface. The calculated branching ratios for the formation of H3O(+) and H2DO(+)via H- and D-transfer agree reasonably well with the experimental values...
June 26, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28649906/a-test-for-a-difference-in-the-associability-of-blocked-and-uninformative-cues-in-human-predictive-learning
#11
Metin Uengoer, Dominic M Dwyer, Stephan Koenig, John M Pearce
In human predictive learning, blocking, A+AB+, and a simple discrimination, UX+ VX-, result in a stronger response to the blocked, B, than the uninformative cue, X (where letters represent cues, and + and - represent different outcomes). In order to assess if these different treatments result in more attention being paid to blocked than uninformative cues, Stage 1 in each of three experiments generated two blocked cues, B and E, and two uninformative cues, X and Y. In Stage 2, participants received two simple discriminations: either BX+ EX- and BY+ EY-, or BX+ BY- and EX+ EY-...
June 25, 2017: Quarterly Journal of Experimental Psychology: QJEP
https://www.readbyqxmd.com/read/28649834/manipulating-the-bulk-band-structure-of-artificially-constructed-van-der-waals-chalcogenide-heterostructures
#12
Yuta Saito, Kotaro Makino, Paul Fons, Alexander V Kolobov, Junji Tominaga
The bulk band structures of a variety of artificially constructed van der Waals chalcogenide heterostructures IVTe/V2VI3 (IV: C, Si, Ge, Sn, Pb; V: As, Sb, Bi; VI: S, Se, Te) have been systematically examined using ab initio simulations based on density functional theory. The crystal structure and the electronic band structure of the heterostructures were found to strongly depend on the choice of elements as well as the presence of van der Waals corrections. Furthermore, it was found that the use of the modified Becke-Johnson local density approximation functional demonstrated that a Dirac cone is formed when tensile stress is applied to a GeTe/Sb2Te3 heterostructure and the band gap can be controlled by tuning the stress...
June 26, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28648726/taking-the-measure-of-microed
#13
REVIEW
Jose A Rodriguez, David S Eisenberg, Tamir Gonen
It is now possible to routinely determine atomic resolution structures by electron cryo-microscopy (cryoEM), facilitated in part by the method known as micro electron-diffraction (MicroED). Since its initial demonstration in 2013, MicroED has helped determine a variety of protein structures ranging in molecular weight from a few hundred Daltons to several hundred thousand Daltons. Some of these structures were novel while others were previously known. The resolutions of structures obtained thus far by MicroED range from 3...
June 22, 2017: Current Opinion in Structural Biology
https://www.readbyqxmd.com/read/28648173/abcd
#14
REVIEW
Ab
No abstract text is available yet for this article.
July 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28648064/unraveling-the-magnesium-ion-intercalation-mechanism-in-vanadium-pentoxide-in-a-wet-organic-electrolyte-by-structural-determination
#15
Sung-Chul Lim, Jinhee Lee, Hunho H Kwak, Jongwook W Heo, Munseok S Chae, Docheon Ahn, Yun Hee Jang, Hochun Lee, Seung-Tae Hong
Magnesium batteries have received attention as a type of post-lithium-ion battery because of their potential advantages in cost and capacity. Among the host candidates for magnesium batteries, orthorhombic α-V2O5 is one of the most studied materials, and it shows a reversible magnesium intercalation with a high capacity especially in a wet organic electrolyte. Studies by several groups during the last two decades have demonstrated that water plays some important roles in getting higher capacity. Very recently, proton intercalation was evidenced mainly using nuclear resonance spectroscopy...
June 24, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28648015/-therapeutic-effects-of-tubastatin-a-hcl-on-airway-inflammation-in-acute-mice-asthma-model
#16
X M Su, Y Ren, M L Li, X Zhao, J Kang
Objective: To investigated the therapeutic effects of Tubastatin A Hcl, a selective HDAC6 inhibitor, on airway inflammation in acute mice bronchial asthma (asthma) model. Methods: A total of 48 BALB/C mice were randomly divided into control group, asthma group, dexamethasone group and Tubastatin A Hcl group with 12 mice in each group. Then the airway hyperresponsiveness was assessed in each group; total cell number, different cell number, levels of Interleukin (IL)-4, IL-5 and Interferon-γ (IFN-γ) in the bronchoalveolar lavage fluid (BALF) were detected; the lung tissues of each group were stained with HE to observe the inflammatory cells infiltration...
June 27, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28647818/assessment-of-the-effect-of-systemic-delivery-of-sclerostin-antibodies-on-wnt-signaling-in-distraction-osteogenesis
#17
Mohammad M Alzahrani, Asim M Makhdom, Frank Rauch, Dominique Lauzier, Maria Kotsiopriftis, Saber Ghadakzadeh, Reggie C Hamdy
Sclerostin is a known inhibitor of the Wnt signaling pathway which is involved in osteogenesis and, when inactivated, stimulates bone formation. To our knowledge, this effect has not been studied in the context of distraction osteogenesis (DO). Tibial DO was conducted on a total of 24 wild-type mice, which were then divided into 2 groups-a saline injection group (control) and an anti-sclerostin (Scl-Ab) injection group (treatment). The mice in the treatment group received 100 mg/kg intravenous injections of the antibody weekly until killing...
June 24, 2017: Journal of Bone and Mineral Metabolism
https://www.readbyqxmd.com/read/28646746/variable-spontaneous-mutation-rate-in-clinical-strains-of-multidrug-resistant-acinetobacter-baumannii-and-differentially-expressed-proteins-in-a-hypermutator-strain
#18
Morteza Karami-Zarandi, Masoumeh Douraghi, Behrouz Vaziri, Habibeh Adibhesami, Mohammad Rahbar, Mehdi Yaseri
BACKGROUND: The emergence of multidrug resistant Acinetobacter baumannii within hospitals poses a significant threat to patients. The inherent rate of mutation of these strains has not been described nor has the mechanism by which drug resistance arises. METHODS: Here, we determined the spontaneous mutation rates in 93 clinical strains of A. baumannii using fluctuation analysis. To rule out the clonal relatedness of hypermutator strains, pulsed-field gel electrophoresis (PFGE) was conducted...
June 8, 2017: Mutation Research
https://www.readbyqxmd.com/read/28646192/effect-of-h2o-adsorption-on-negative-differential-conductance-behavior-of-single-junction
#19
Zong-Liang Li, Xiao-Hua Yi, Ran Liu, Jun-Jie Bi, Huan-Yan Fu, Guang-Ping Zhang, Yu-Zhi Song, Chuan-Kui Wang
Large negative differential conductance (NDC) at lower bias regime is a very desirable functional property for single molecular device. Due to the non-conjugated segment separating two conjugated branches, the single thiolated arylethynylene molecule with 9,10-dihydroanthracene core (denoted as TADHA) presents excellent NDC behavior in lower bias regime. Based on the ab initio calculation and non-equilibrium Green's function formalism, the NDC behavior of TADHA molecular device and the H2O-molecule-adsorption effects are studied systematically...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28644670/effective-forces-between-quantum-bound-states
#20
Alexander Rokash, Evgeny Epelbaum, Hermann Krebs, Dean Lee
Recent ab initio lattice studies have found that the interactions between alpha particles (^{4}He nuclei) are sensitive to seemingly minor details of the nucleon-nucleon force, such as interaction locality. In order to uncover the essential physics of this puzzling phenomenon without unnecessary complications, we study a simple model involving two-component fermions in one spatial dimension. We probe the interaction between two bound dimers for several different particle-particle interactions and measure an effective potential between the dimers using external point potentials which act as numerical tweezers...
June 9, 2017: Physical Review Letters
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