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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
#1
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
#2
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
#3
https://www.readbyqxmd.com/read/28893693/current-status-of-worldwide-use-of-patient-reported-outcome-measures-proms-in-spine-care
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
https://www.readbyqxmd.com/read/28748359/analysis-of-medication-errors-at-a-large-tertiary-care-hospital-in-saudi-arabia-a-retrospective-analysis
#14
Sheraz Ali, Nourah Ibrahim Aboheimed, Ibrahim Abdulaziz Al-Zaagi, Dalal Salem Al-Dossari
Background Medication errors (MEs) are common in health care settings and pose a threat for the hospitalized population. Therefore, aspects of MEs were explored in a tertiary setting serving a diverse population. Objective To examine the occurrence, severity and reporting of MEs in hospitalized patients. Methods This retrospective analysis included 10,683 ME report forms that were received by the Medication Safety Unit of King Saud Medical City (KSMC) in 2015. ME outcomes were determined according to the National Coordinating Council for Medication Error Reporting and Prevention (NCC MERP) Index for categorizing MEs algorithm...
July 26, 2017: International Journal of Clinical Pharmacy
https://www.readbyqxmd.com/read/28718838/phyllanthus-niruri-standardized-extract-alleviates-the-progression-of-non-alcoholic-fatty-liver-disease-and-decreases-atherosclerotic-risk-in-sprague-dawley-rats
#15
Raghdaa Hamdan Al Zarzour, Mariam Ahmad, Mohd Zaini Asmawi, Gurjeet Kaur, Mohammed Ali Ahmed Saeed, Majed Ahmed Al-Mansoub, Sultan Ayesh Mohammed Saghir, Nasiba Salisu Usman, Dhamraa W Al-Dulaimi, Mun Fei Yam
Non-alcoholic fatty liver disease (NAFLD) is one of the major global health issues, strongly correlated with insulin resistance, obesity and oxidative stress. The current study aimed to evaluate anti-NAFLD effects of three different extracts of Phyllanthus niruri (P. niruri). NAFLD was induced in male Sprague-Dawley rats using a special high-fat diet (HFD). A 50% methanolic extract (50% ME) exhibited the highest inhibitory effect against NAFLD progression. It significantly reduced hepatomegaly (16%) and visceral fat weight (22%), decreased NAFLD score, prevented fibrosis, and reduced serum total cholesterol (TC) (48%), low-density lipoprotein (LDL) (65%), free fatty acids (FFAs) (25%), alanine aminotransferase (ALT) (45%), alkaline phosphatase (ALP) (38%), insulin concentration (67%), homeostatic model assessment of insulin resistance (HOMA-IR) (73%), serum atherogenic ratios TC/high-density lipoprotein (HDL) (29%), LDL/HDL (66%) and (TC-HDL)/HDL (64%), hepatic content of cholesterol (43%), triglyceride (29%) and malondialdehyde (MDA) (40%) compared to a non-treated HFD group...
July 18, 2017: Nutrients
https://www.readbyqxmd.com/read/28686869/modeling-the-glomerular-filtration-barrier-are-you-kidney-ing-me
#16
Paola Romagnani, Laura Lasagni
Podocyte depletion drives kidney disease and kidney failure progression, but podocyte complexity at the glomerular filtration barrier is difficult to model in vitro. In Nature Biomedical Engineering, Musah et al. (2017) developed a multifluidic device with iPS-derived podocytes mimicking a functional glomerular filtration barrier that elevates standards for modeling glomerular diseases.
July 6, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28685120/synthesis-spectroscopic-characterization-and-thermogravimetric-analysis-of-two-series-of-substituted-metallo-tetraphenylporphyrins
#17
Rasha K Al-Shewiki, Carola Mende, Roy Buschbeck, Pablo F Siles, Oliver G Schmidt, Tobias Rüffer, Heinrich Lang
Subsequent treatment of H2TPP(CO2H)4 (tetra(p-carboxylic acid phenyl)porphyrin, 1) with an excess of oxalyl chloride and HNR2 afforded H2TPP(C(O)NR2)4 (R = Me, 2; iPr, 3) with yields exceeding 80%. The porphyrins 2 and 3 could be converted to the corresponding metalloporphyrins MTPP(C(O)NR2)4 (R = Me/iPr for M = Zn (2a, 3a); Cu (2b, 3b); Ni (2c, 3c); Co (2d, 3d)) by the addition of 3 equiv of anhydrous MCl2 (M = Zn, Cu, Ni, Co) to dimethylformamide solutions of 2 and 3 at elevated temperatures. Metalloporphyrins 2a-d and 3a-d were obtained in yields exceeding 60% and have been, as well as 2 and 3, characterized by elemental analysis, electrospray ionization mass spectrometry (ESIMS) and IR and UV-vis spectroscopy...
2017: Beilstein Journal of Nanotechnology
https://www.readbyqxmd.com/read/28671476/molecular-group-13-metallaborates-derived-from-m-o-m-cleavage-promoted-by-bh3
#18
Erandi Bernabé-Pablo, Vojtech Jancik, Diego Martínez-Otero, Joaquín Barroso-Flores, Mónica Moya-Cabrera
The reaction of metalloxanes [{(Me)LM(OH)}2(μ-O)] [M = Al (1), Ga (2); (Me)L = CH{CMe(NAr)}2(-), Ar = 2,4,6-Me3C6H2, Me = methyl] with an excess of BH3·D (D = tetrahydrofuran (THF), SMe2) affords annular metallaborate systems achieved through M-O-M cleavage. Compound 1 led exclusively to the formation of eight-membered ring systems [{(Me)LAl(μ-O){B(O(n)Bu)}(μ-O)}2] (3) and [{(Me)LAl(μ-O)(BH)(μ-O)}2] (6), while for 2 the unprecedented six-membered ring systems [{((Me)LGa)2(μ-O)}(μ-O)2{B(O(n)Bu)}] (4) and [((Me)LGa)(μ-O)2{(BO(n)Bu)2(μ-O)}] (5) were observed...
July 17, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28648891/implications-of-the-vienna-integrated-model-of-art-perception-for-art-based-interventions-in-clinical-populations-comment-on-move-me-astonish-me-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap
#19
https://www.readbyqxmd.com/read/28645699/the-forgotten-artist-why-to-consider-intentions-and-interaction-in-a-model-of-aesthetic-experience-comment-on-move-me-astonish-me-delight-my-eyes-and-brain-the-vienna-integrated-model-of-top-down-and-bottom-up-processes-in-art-perception-vimap-and-corresponding
#20
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