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https://www.readbyqxmd.com/read/29210574/bis-and-tris-2-oxobenzimidazolyl-hydroborato-complexes-of-sodium-and-thallium-new-classes-of-bidentate-and-tridentate-oxygen-donor-ligands
#1
Ahmed Al-Harbi, Benjamin Kriegel, Shivani Gulati, Matthew J Hammond, Gerard Parkin
A series of bis- and tris(oxobenzimidazolyl)hydroborato compounds, namely, [BoRBenz]Na and [ToRBenz]-Na (R = Me, But, Ad), which feature uncommon sterically demanding LX [O2] and L2X [O3] donor ligands, have been obtained via the reactions of NaBH4 with 1-R-1,3-dihydro-2H-benzimidazol-2-ones. Evidence that the alkyl substituents are suitably located to have a significant impact on the coordination environment is provided by the observation that the methyl derivative [ToMeBenz]Na(κ3-diglyme) exhibits κ3-coordination of the diglyme, whereas the t-butyl and adamantyl derivatives, [ToButBenz]Na(κ2-diglyme) and [ToAdBenz]Na(κ2-diglyme), exhibit κ2-coordination...
December 6, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/29154481/bayesian-word-learning-in-multiple-language-environments
#2
Benjamin D Zinszer, Sebi V Rolotti, Fan Li, Ping Li
Infant language learners are faced with the difficult inductive problem of determining how new words map to novel or known objects in their environment. Bayesian inference models have been successful at using the sparse information available in natural child-directed speech to build candidate lexicons and infer speakers' referential intentions. We begin by asking how a Bayesian model optimized for monolingual input (the Intentional Model; Frank et al., 2009) generalizes to new monolingual or bilingual corpora and find that, especially in the case of the bilingual input, the model shows a significant decrease in performance...
November 20, 2017: Cognitive Science
https://www.readbyqxmd.com/read/29149589/bond-with-me-if-you-can-natural-product-covalent-ligand-and-reactivity-based-probe-compete-for-cysteine-in-pp2a-complex
#3
Douglas S Johnson, Jaimeen D Majmudar
In this issue of Cell Chemical Biology, Grossman et al. (2017) disclose a chemoproteomics-enabled strategy to identify the cysteine-reactive target(s) of the anti-cancer natural product withaferin A and then screen a cysteine-reactive fragment library to discover a covalent ligand for the same target.
November 16, 2017: Cell Chemical Biology
https://www.readbyqxmd.com/read/29130709/body-shape-as-body-image-determinant-in-university-students
#4
Arnulfo Ramos-Jiménez, Rosa P Hernández Torres, Abraham Wall Medrano, René Urquídez Romero, Igor Barahona, Rafael Villalobos Molina
INTRODUCTION AND OBJECTIVES: Body shape (BSP) and body image (BI) are part of the external physical structure, then modifications in body shape necessarily affect body image; however, both combined have not been studied. The purpose of the study was to evaluate the statistical relationship between BSP and BI in university students. METHOD: Two hundred and ninety-six participants (17-35 years) were included in this study. Different anthropometric measurements were used to define their somatotype (BSP), body mass index (BMI), waist to hip ratio (WHR) and waist circumference (WC)...
October 24, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29121802/hispolon-suppresses-lps-or-lta-induced-inos-no-production-and-apoptosis-in-bv-2-microglial-cells
#5
Ming-Shun Wu, Chih-Chiang Chien, Kur-Ta Cheng, Gottumukkala V Subbaraju, Yen-Chou Chen
Hispolon (HIS) is an active polyphenol compound derived from Phellinus linteus (Berkeley & Curtis), and our previous study showed that HIS effectively inhibited inflammatory responses in macrophages (Yang et al., 2014); however, its effect on neuronal inflammation is still undefined. In this study, HIS concentration- and time-dependently inhibited lipopolysaccharide (LPS)- and lipoteichoic acid (LTA)-induced inducible nitric oxide (NO) synthase (iNOS)/NO production with increased heme oxygenase (HO)-1 proteins in BV-2 microglial cells...
November 9, 2017: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/29102605/development-and-clinical-accuracy-of-a-new-intraocular-lens-power-formula-vrf-compared-to-other-formulas
#6
Oleksiy V Voytsekhivskyy
PURPOSE: To develop and compare the accuracy and reproducibility of the VRF intraocular lens (IOL) power calculation formula with well-known methods. DESIGN: Development and validation study. METHODS: This analysis comprised 823 eyes of 823 patients at Kiev Clinical Ophthalmology Hospital Eye Microsurgery Center, Kiev, Ukraine, operated on by 1 surgeon with 3 different types of hydrophobic lenses: IQ SN60WF (494 eyes) and ReSTOR SN6AD1 (169 eyes) (Alcon Labs, Fort Worth, Texas, USA) and AMO Tecnis MF ZMB00 (160 eyes) (J&J Vision, Santa Ana, California, USA)...
November 2, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29063567/best-paper-selection
#7
(no author information available yet)
Agarwal V, Podchiyska T, Banda JM, Goel V, Leung TI, Minty EP, Sweeney TE, Gyang E, Shah NH. Learning statistical models of phenotypes using noisy labeled training data. J Am Med Inform Assoc 2016;23(6):1166-73 https://academic.oup.com/jamia/article-lookup/doi/10.1093/jamia/ocw028 Harmanci A, Gerstein M. Quantification of private information leakage from phenotype-genotype data: linking attacks. Nat Methods 2016;13(3):251-6 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4834871/ Pfiffner PB, Pinyol I, Natter MD, Mandl KD...
August 2017: Yearbook of Medical Informatics
https://www.readbyqxmd.com/read/29032002/recoveries-of-rare-elements-ga-ge-in-and-sn-from-waste-electric-and-electronic-equipment-through-secondary-copper-smelting
#8
Katri Avarmaa, Simon Yliaho, Pekka Taskinen
The recycling and recovery of valuable metals from waste materials is one of the key issues in maintaining the sustainability of base and rare metals. Especially WEEE (Waste Electric and Electronic Equipment) can be considered as a high potential resource for a number of valuable and critical metals like gallium, germanium and indium. During the mechanical processing of WEEE, these metals are primary separated into the non-ferrous scrap fractions, including copper fraction. As a consequence, the behavior of these valuable metals and the possibility of their recycling in secondary copper smelting are of great interest...
October 11, 2017: Waste Management
https://www.readbyqxmd.com/read/29023210/free-to-be-me-the-relationship-between-the-true-self-rejection-sensitivity-and-use-of-online-dating-sites
#9
Margaret A Hance, Ginette Blackhart, Megan Dew
Prior research (Blackhart et al., 2014) found that rejection-sensitive individuals are more likely to use online dating sites. The purpose of the current research was to explain the relationship between rejection sensitivity and online dating site usage. Study 1 examined whether true self mediated the relation between rejection sensitivity and online dating. Study 2 sought to replicate the findings of Study 1 and to examine whether self-disclosure moderated the relationship between true self and online dating in the mediation model...
October 12, 2017: Journal of Social Psychology
https://www.readbyqxmd.com/read/28963108/yoshimi-a-balasis-me-vedder-a-et-al-robust-patient-derived-xenografts-of-mds-mpn-overlap-syndromes-capture-the-unique-characteristics-of-cmml-and-jmml-blood-2017-130-4-397-407
#10
https://www.readbyqxmd.com/read/28893693/current-status-of-worldwide-use-of-patient-reported-outcome-measures-proms-in-spine-care
#11
Asdrubal Falavigna, Diego Cassol Dozza, Alisson R Teles, Chung Chek Wong, Giuseppe Barbagallo, Darrel Brodke, Abdulaziz Al-Mutair, Zoher Ghogawala, K Daniel Riew
OBJECTIVES: Patient-reported outcome measures PROMs are the most widely accepted means of measuring outcomes following spine procedures. We sought to determine the current status of worldwide use of PROMs in Latin America (LA), Europe (EU), Asia Pacific (AP), North America (NA), and Middle East (ME) in order to determine the barrier to its full implementation. METHODS: A questionnaire survey was sent by e-mail to members of AOSpine to evaluate their familiarity and use of PROMs instruments, and to assess the barriers to their use in spine care practice in LA, EU, AP, NA, and ME...
September 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28877196/predicting-active-layer-soil-thickness-using-topographic-variables-at-a-small-watershed-scale
#12
Aidi Li, Xing Tan, Wei Wu, Hongbin Liu, Jie Zhu
Knowledge about the spatial distribution of active-layer (AL) soil thickness is indispensable for ecological modeling, precision agriculture, and land resource management. However, it is difficult to obtain the details on AL soil thickness by using conventional soil survey method. In this research, the objective is to investigate the possibility and accuracy of mapping the spatial distribution of AL soil thickness through random forest (RF) model by using terrain variables at a small watershed scale. A total of 1113 soil samples collected from the slope fields were randomly divided into calibration (770 soil samples) and validation (343 soil samples) sets...
2017: PloS One
https://www.readbyqxmd.com/read/28875446/evaluating-the-potential-genotoxicity-of-phthalates-esters-paes-in-perfumes-using-in-vitro-assays
#13
Iman Al-Saleh, Tahreer Al-Rajudi, Ghofran Al-Qudaihi, Pulicat Manogaran
We previously reported high levels of phthalate esters (PAEs) added as solvents or fixatives in 47 brands of perfumes. Diethyl phthalate was the most abundant compound (0.232-23,649 ppm), and 83.3% of the perfumes had levels >1 ppm, the threshold limit cited by a Greenpeace investigation. All samples had dimethyl phthalate levels higher than its threshold limit of 0.1 ppm, and 88, 38, and 7% of the perfumes had benzyl butyl phthalate, di(2-ethylhexyl) phthalate, and dibutyl phthalate levels, respectively, above their threshold limits...
October 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28864212/14-o-methylmorphine-a-novel-selective-mu-opioid-receptor-agonist-with-high-efficacy-and-affinity
#14
Ferenc Zádor, Mihály Balogh, András Váradi, Zoltán S Zádori, Kornél Király, Edina Szűcs, Bence Varga, Bernadette Lázár, Sándor Hosztafi, Pál Riba, Sándor Benyhe, Susanna Fürst, Mahmoud Al-Khrasani
14-O-methyl (14-O-Me) group in morphine-6-O-sulfate (M6SU) or oxymorphone has been reported to be essential for enhanced affinity, potency and antinociceptive effect of these opioids. Herein we report on the pharmacological properties (potency, affinity and efficacy) of the new compound, 14-O-methylmorphine (14-O-MeM) in in vitro. Additionally, we also investigated the antinociceptive effect of the novel compound, as well as its inhibitory action on gastrointestinal transit in in vivo. The potency and efficacy of test compound were measured by [(35)S]GTPγS binding, isolated mouse vas deferens (MVD) and rat vas deferens (RVD) assays...
November 5, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28859871/-stiction-syndrome-non-operative-management-of-patients-with-difficult-ams-700-series-inflation
#15
Nicholas L Kavoussi, Boyd R Viers, Maia E VanDyke, Travis J Pagliara, Allen F Morey
INTRODUCTION: Static friction (stiction) is a mechanical phenomenon in which a state of increased resistance exists across a control valve mechanism. AIM: To present a strategy for non-operative management of inflatable penile prosthesis (IPP) cases with pump malfunction from pump valve stiction. METHODS: All patients had American Medical Systems (AMS; Minnetonka, MN, USA) 700 series Momentary Squeeze IPPs with transient pump malfunction owing to pump valve stiction after extended periods of device inactivity...
September 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/28833589/catalyzed-radical-termination-in-the-presence-of-tellanyl-radicals
#16
Thomas G Ribelli, S M Wahidur Rahaman, Krzysztof Matyjaszewski, Rinaldo Poli
The decomposition of the diazo initiator dimethyl 2,2'-azobis(isobutyrate) (V-601), generating the Me2 C(.) (CO2 Me) radical, affords essentially the same fraction of disproportionation and combination in media with a large range of viscosity (C6 D6 , [D6 ]DMSO, and PEG 200) in the 25-100 °C range. This is in stark contrast to recent results by Yamago et al. on the same radical generated from Me2 C(TeMe)(CO2 Me) and on other X-TeR systems (X=polymer chain or unimer model; R=Me, Ph). The discrepancy is rationalized on the basis of an unprecedented RTe(...
August 21, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28831042/acoustically-actuated-ultra-compact-nems-magnetoelectric-antennas
#17
Tianxiang Nan, Hwaider Lin, Yuan Gao, Alexei Matyushov, Guoliang Yu, Huaihao Chen, Neville Sun, Shengjun Wei, Zhiguang Wang, Menghui Li, Xinjun Wang, Amine Belkessam, Rongdi Guo, Brian Chen, James Zhou, Zhenyun Qian, Yu Hui, Matteo Rinaldi, Michael E McConney, Brandon M Howe, Zhongqiang Hu, John G Jones, Gail J Brown, Nian Xiang Sun
State-of-the-art compact antennas rely on electromagnetic wave resonance, which leads to antenna sizes that are comparable to the electromagnetic wavelength. As a result, antennas typically have a size greater than one-tenth of the wavelength, and further miniaturization of antennas has been an open challenge for decades. Here we report on acoustically actuated nanomechanical magnetoelectric (ME) antennas with a suspended ferromagnetic/piezoelectric thin-film heterostructure. These ME antennas receive and transmit electromagnetic waves through the ME effect at their acoustic resonance frequencies...
August 22, 2017: Nature Communications
https://www.readbyqxmd.com/read/28820734/characteristics-reasons-behavior-and-knowledge-towards-waterpipe-smoking-in-saudi-arabia
#18
Elluru Venkatesh, Mohammad Yousef Al Jemal, Abdullah Saleh Al Samani
Background The present scenario shows that waterpipe smoking, one of tobacco smoking methods, the practice off which dates back at least 400 year is appealing to the youth. Waterpipe tobacco smoking is frequently linked with nations of the Eastern Mediterranean Region (EMR) comprising Egypt, Kuwait, Lebanon and Syria. The present study shows the socio-demographic characteristics, behavior and knowledge of youth towards waterpipe smoking. Recognizing these features may help emphasize intervention methods. Methods A self-administered questionnaire was used to collect the data about waterpipe smoking comprising sociodemographic, behavior, reasons and knowledge from 230 university students...
August 18, 2017: International Journal of Adolescent Medicine and Health
https://www.readbyqxmd.com/read/28800107/sequestration-effect-on-the-open-cyclic-switchable-property-of-warfarin-induced-by-cyclodextrin-time-resolved-fluorescence-study
#19
Naji Al-Dubaili, Na'il Saleh
The excited-state lifetimes of the anticoagulant drug warfarin (W) in water and in the absence and presence of methyl-β-cyclodextrins (Me-β-CD) were recorded using time-resolved fluorescence measurements. Selective excitation of the open and cyclic protonated isomers of W were acquired with laser emitting diodes (LED) producing 320 and 280 nm excitation pulses, respectively. Formation of the inclusion complex was checked by UV-visible absorption spectroscopy, and the values of binding constants (2.9 × 10³ M(-1) and 4...
August 11, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28780006/conceptions-of-the-temporal-course-of-aesthetic-engagement-comment-on-move-me-astonish-me%C3%A2-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap-and-corresponding-affective-evaluative-and-neurophysiological
#20
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