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https://www.readbyqxmd.com/read/28531969/biogeographical-factors-affecting-the-distribution-of-stream-salamanders-on-the-cumberland-plateau-usa
#1
P R Gould, K K Cecala, S S Drukker, B A McKenzie, C Van de Ven
Geophysical and climate conditions play an important role in the distribution of organisms at both fine and broad scales. Headwater streams integrate changes at broad geographical scales and serve as important regions of nutrient processing and support high biodiversity. Stream salamanders are important members of headwater aquatic communities as both predators and prey. Combined with their biphasic life histories and physiological requirements, stream amphibians may serve as indicators for headwater stream conditions...
May 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28531225/protein-charge-distribution-in-proteomes-and-its-impact-on-translation
#2
Rodrigo D Requião, Luiza Fernandes, Henrique José Araujo de Souza, Silvana Rossetto, Tatiana Domitrovic, Fernando L Palhano
As proteins are synthesized, the nascent polypeptide must pass through a negatively charged exit tunnel. During this stage, positively charged stretches can interact with the ribosome walls and slow the translation. Therefore, charged polypeptides may be important factors that affect protein expression. To determine the frequency and distribution of positively and negatively charged stretches in different proteomes, the net charge was calculated for every 30 consecutive amino acid residues, which corresponds to the length of the ribosome exit tunnel...
May 22, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/28531194/prognostic-psychosocial-factors-for-disabling-low-back-pain-in-japanese-hospital-workers
#3
Takahiko Yoshimoto, Hiroyuki Oka, Junji Katsuhira, Tomoko Fujii, Katsuhiko Masuda, Sakae Tanaka, Ko Matsudaira
BACKGROUND: Although the occupational health field has identified psychosocial factors as risk factors for low back pain that causes disability, the association between disabling low back pain and psychosocial factors has not been examined adequately in Japanese hospital workers. Therefore, this study examined the association between low back pain, which interfered with work, and psychosocial factors in Japanese hospital workers. METHOD: This cross-sectional study was conducted at a hospital in Japan...
2017: PloS One
https://www.readbyqxmd.com/read/28530802/discovery-of-n-5-fluoropyridin-2-yl-6-methyl-4-pyrimidin-5-yloxy-picolinamide-vu0424238-a-novel-negative-allosteric-modulator-of-metabotropic-glutamate-receptor-subtype-5-selected-for-clinical-evaluation
#4
Andrew S Felts, Alice L Rodriguez, Anna L Blobaum, Ryan D Morrison, Brittney S Bates, Analisa Thompson Gray, Jerri M Rook, Mohammed N Tantawy, Frank W Byers, Sichen Chang, Daryl F Venable, Vincent B Luscombe, Gilles D Tamagnan, Colleen M Niswender, J Scott Daniels, Carrie K Jones, P Jeffrey Conn, Craig W Lindsley, Kyle A Emmitte
Preclinical evidence in support of the potential utility of mGlu5 NAMs for the treatment of a variety of psychiatric and neurodegenerative disorders is extensive, and multiple such molecules have entered clinical trials. Despite some promising results from clinical studies, no small molecule mGlu5 NAM has yet to reach market. Here we present the discovery and evaluation of N-(5-fluoropyridin-2-yl)-6-methyl-4-(pyrimidin-5-yloxy)picolinamide (27, VU0424238), a compound selected for clinical evaluation. Compound 27 is more than 900-fold selective for mGlu5 versus the other mGlu receptors, and binding studies established a Ki value of 4...
May 22, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28529798/crystal-structure-of-a-new-spiro-polytetra-hydro-furan-compound-with-translational-pseudosymmetry-rac-2s-2-s-5-r-2-methyl-5-1r-2r-5s-5-r-1-4-4-5-tetra-methyl-dihydro-3-h-3-8-dioxa-spiro-bi-cyclo-3-2-1-octane-2-2-furan-5-yl-hexa-hydro-2-2-bi-furan-5-2h-one
#5
Vincenzo Piccialli, Angela Tuzi, Roberto Centore
The title compound, C22H34O6, is a product of oxidation of squalene with the catalytic system RuO4(cat.)/NaIO4. The asymmetric unit contains two crystallographically independent mol-ecules of very similar geometry approximately related by the non-crystallographic translation vector c/2. As a consequence, the average diffracted intensity in the hkl layers with odd l is systematically lower than in the layers with even l. In one mol-ecule, the lactone ring and part of the adjacent tetra-hydro-furan ring are disordered over two orientations with refined occupancy ratio of 0...
May 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28529790/crystal-structure-of-2-cyano-3-3-bis-ethyl-sulfan-yl-n-o-tolyl-acryl-amide
#6
Rasha A Azzam, Galal H Elgemeie, Rokia Ramadan, Peter G Jones
In the mol-ecule of the title compound, C15H18N2OS2, the central S2C=C(CN)C moiety is planar (r.m.s. deviation = 0.029 Å). The C=O and C-CN groups are trans to each other across their common C-C bond. In the crystal, one classical and two 'weak' hydrogen bonds combine with borderline N⋯N and S⋯S contacts to form layers parallel to (10-2). One ethyl group is disordered over two positions with relative occupancy 0.721/0.279 (7).
May 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28529783/crystal-structure-of-s-sec-butyl-ammonium-l-tartrate-monohydrate
#7
Ernlie A Publicover, Jennifer Kolwich, Darcie L Stack, Alyssa J Doué, Kai E O Ylijoki
The title hydrated mol-ecular salt, C4H12N(+)·C4H5O6(-)·H2O, was prepared by deprotonation of enanti-opure l-tartaric acid with racemic sec-butyl-amine in water. Only one enanti-omer was observed crystallographically, resulting from the combination of (S)-sec-butyl-amine with l-tartaric acid. The sec-butyl-ammonium moiety is disordered over two conformations related by rotation around the CH-CH2 bond; the refined occupancy ratio is 0.68 (1):0.32 (1). In the crystal, mol-ecules are linked through a network of O-H⋯O and N-H⋯O hydrogen-bonding inter-actions, between the ammonium H atoms, the tartrate hy-droxy H atoms, and the inter-stitial water, forming a three-dimensional supra-molecular structure...
May 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28529779/crystal-structures-of-di-bromido-n-pyridin-2-yl-%C3%AE%C2%BAn-methyl-idene-picolinohydrazide-%C3%AE%C2%BA-2-n-o-cadmium-methanol-monosolvate-and-di-iodido-n-pyridin-2-yl-%C3%AE%C2%BAn-methyl-idene-picolinohydrazide-%C3%AE%C2%BA-2-n-o-cadmium
#8
Ali Akbar Khandar, Farhad Akbari Afkhami, Harald Krautscheid, Kenneth Aase Kristoffersen, Zeliha Atioğlu, Mehmet Akkurt, Carl Henrik Görbitz
The title compounds, [CdBr2(C12H10N4O)]·CH3OH, (I), and [CdI2(C12H10N4O)], (II), are cadmium bromide and cadmium iodide complexes of the ligand (E)-N'-(pyridin-2-yl-methyl-ene)picolinohydrazide. Complex (I) crystallizes as the methanol monosolvate. In both compounds, the Cd(2+) cation is ligated by one O atom and two N atoms of the tridentate ligand, and by two bromide anions forming a Br2N2O penta-coordination sphere for (I), and by two iodide anions forming an I2N2O penta-coordination sphere for (II), both with a distorted square-pyramidal geometry...
May 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28529778/crystal-structure-of-the-diglycidyl-ether-of-eugenol
#9
Jordan Vigier, Camille François, Sylvie Pourchet, Gilles Boni, Laurent Plasseraud, Vincent Placet, Stéphane Fontaine, Hélène Cattey
The diep-oxy monomer, C13H16O4 {DGE-Eu; systematic name: 2-[3-meth-oxy-4-(oxiran-2-ylmeth-oxy)benz-yl]oxirane}, was synthesized from eugenol by a three-step reaction. It consists of a 1,2,4-tris-ubstituted benzene ring substituted by diglycidyl ether, a meth-oxy group and a methyl-oxirane group. The three-membered oxirane rings are inclined to the benzene ring by 61.0 (3) and 27.9 (3)°. The methyl-ene C atom of one of the two terminal epoxide rings is positionally disordered [refined occupancy ratio = 0...
May 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28529774/synthesis-and-crystallographic-characterization-of-a-mononuclear-cobalt-iii-complex-possessing-both-thiol-ate-and-thio-ether-donors-reactivity-of-an-thiol-ate-bridged-penta-nuclear-co2ag3-complex-with-iodo-methane
#10
Yosuke Fukuda, Nobuto Yoshinari, Takumi Konno
Treatment of an S-bridged penta-nuclear Ag(I)3Co(III)2 complex, [Ag3{Co(L)}2](3+) [L(3-) = N(CH2NHCH2CH2S(-))3], in which two tris-(thiol-ate)-type mononuclear Co(III) units ([Co(L)]) are bridged by three Ag(I) ions through S atoms, with iodo-methane (CH3I) gave a new Co(III) mononuclear complex, [Co(LMe2)](2+) [LMe2(-) = N(CH2NHCH2CH2S(-))(CH2NHCH2CH2SCH3)2], systematic name: {2-[(bis{[2-(methylsulfanyl)ethyl]aminomethyl}aminomethyl)amino]ethanethiolato}cobalt(III) bis(hexafluoridophosphate). This cationic complex was crystallized with PF6(-) anions to form the title compound, [Co(LMe2)](PF6)2...
May 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28529769/une-surstructure-de-%C3%AE-ge-type-diamant-induite-par-un-dopage-d-anti-moine
#11
Adrian Gómez Herrero, Lamia Hammoudi, Mohammed Kars, Thierry Roisnel, L Carlos Otero-Diáz
Single crystals of anti-mony-doped germanium, Ge1-x Sb x+0.01 (x ≃ 0.0625), were grown by chemical transport reaction. The alloy crystallizes as a superstructure of diamond-type α-Ge. All atoms in the asymmetric unit lie on special positions and are characterized by strong covalent bonds. The anti-mony atoms substitute for one germanium atom at full occupancy at Wyckoff position 4a (site symmetry -43m), and are also at an adjacent tetra-hedral inter-stitial site with partially occupation (16%) at position 4c (or 4d) (site symmetry -43m)...
May 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28529756/a-socioecological-framework-for-research-on-work-and-obesity-in-diverse-urban-transit-operators-based-on-gender-race-and-ethnicity
#12
REVIEW
BongKyoo Choi, Peter Schnall, Marnie Dobson, Haiou Yang, Dean Baker, YoungJu Seo
Urban transit (bus and rail) operators, totaling nearly 700,000 persons, are one of the heaviest occupational groups in the United States (US). Little is known about occupational risk factors for weight gain and obesity and their interrelationship with health-related behaviors, particularly among female minority (African Americans and Hispanics) transit operators who are at greater risk for obesity. As a step towards developing successful obesity interventions among urban transit operators, this paper aims to present a new socioecological framework for studying working conditions, chronic strain, health-related behaviors, weight gain/obesity, and obesity disparity in diverse urban transit operators based on gender, race, and ethnicity...
2017: Annals of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28529603/risk-factors-for-cervical-intraepithelial-neoplasia-and-cervical-cancer-in-chinese-women-large-study-in-jiexiu-shanxi-province-china
#13
Zhilian Wang, Jintao Wang, Jinrong Fan, Weihong Zhao, Xin Yang, Lingmei Wu, Dongyan Li, Ling Ding, Wei Wang, Junjie Xu, Michelle Stram, Chengquan Zhao, Min Hao
We aimed to investigate the risk factors for cervical intraepithelial neoplasia (CIN) in Jiexiu, Shanxi Province, China. Twenty thousand eligible married women (age: 18-65 years) were administered with a questionnaire on potential risk factors for CIN and underwent liquid based Pap test. All women with abnormal cytological results underwent colposcopy with biopsy. Based on the biopsy pathology results, women were then assigned to either study group (with CIN) or control group (negative for histological results and volunteered to participate in the follow up study)...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28529369/concurrent-validity-of-indian-disability-evaluation-and-assessment-scale-with-sociooccupational-functioning-scale-in-patients-with-schizophrenia
#14
Swapnajeet Sahoo, Sandeep Grover, Devakshi Dua, Subho Chakrabarti, Ajit Avasthi
BACKGROUND: The Government of India (GOI) has recommended the use of Indian Disability Evaluation and Assessment Scale (IDEAS) for the assessment and certification of disability in patients with mental illness. Although data are available in terms of internal consistency and construct validity of IDEAS, concurrent validity of IDEAS has rarely been evaluated. AIM: The aim was to study the concurrent validity of IDEAS with Global Assessment of Functioning (GAF) and Social and Occupational Functioning Scale (SOFS) in patients with schizophrenia...
January 2017: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28529362/study-of-sexual-functioning-and-disorder-in-women-before-and-after-tubal-sterilization-tubectomy
#15
Shweta Patil Kunkeri, T S Sathyanarayana Rao, Chittaranjan Andrade
INTRODUCTION: Sexual relationship is a basis for mental health and continuity of the healthy generation. There are very few studies on the female sexual functioning, especially in India. Sterilization being the most common contraceptive method, sexual functioning in women undergoing this surgical intervention has not been adequately explored. Available studies have found conflicting results; some have reported that sterilization has positive effects on sexual functioning since anxiety of getting pregnant is abolished...
January 2017: Indian Journal of Psychiatry
https://www.readbyqxmd.com/read/28529301/the-establishment-of-wonsan-laborers-hospital-during-the-japanese-occupation-and-its-significance
#16
Il Yeong Jeong, Young-Jeon Shin
On July 3, 1928, the Wonsan Labor Union established the Wonsan Laborers' Hospital in Seoku-dong, Wonsan for the purpose of reducing medical consultation fees for its members. The union's efforts to improve the welfare of its members include the establishment of an educational institute, a consumers union, a barbershop, and a relief department. The Laborers' Hospital, which began with ten wards, was led by a team of two doctors, one midwife, two pharmacists, and four nurses. The two doctors were Cheol-sun Cha and Jeong-kwon Lee, and the midwife/nurse was Sun-jeong Kim...
December 2016: Ŭi Sahak
https://www.readbyqxmd.com/read/28529160/do-unfavourable-alcohol-smoking-nutrition-and-physical-activity-predict-sustained-leisure-time-sedentary-behaviour-a-population-based-cohort-study
#17
Carla F J Nooijen, Jette Möller, Yvonne Forsell, Maria Ekblom, Maria R Galanti, Karin Engström
Comparing lifestyle of people remaining sedentary during longer periods of their life with those favourably changing their behaviour can provide cues to optimize interventions targeting sedentary behaviour. The objective of this study was to determine lifestyle predictors of sustained leisure time sedentary behaviour and assess whether these predictors were dependent on gender, age, socioeconomic position and occupational sedentary behaviour. Data from a large longitudinal population-based cohort of adults (aged 18-97years) in Stockholm responding to public health surveys in 2010 and 2014 were analysed (n=49,133)...
May 18, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28529146/multiple-endpoints-to-evaluate-pristine-and-remediated-titanium-dioxide-nanoparticles-genotoxicity-in-lung-epithelial-a549-cells
#18
Andrea Stoccoro, Sebastiano Di Bucchianico, Fabio Coppedè, Jessica Ponti, Chiara Uboldi, Magda Blosi, Camilla Delpivo, Simona Ortelli, Anna Luisa Costa, Lucia Migliore
Titanium dioxide nanoparticles (TiO2 NP) are broadly used in a wide range of applications. Several studies have reported that TiO2 NP possess cytotoxic and genotoxic properties that could induce adverse health effects in humans. The FP7 Sanowork project was aimed to minimize occupational hazard and exposure to engineered nanomaterials (ENM), including TiO2 NP, through the surface modification in order to avoid possible adverse toxic effects for humans. In this study we investigated cytotoxicity, genotoxicity and epigenetic properties of TiO2 NP uncoated and coated with silica or citrate, as well as of the benchmark material P25...
May 18, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/28529083/occupational-allergic-contact-dermatitis-due-to-multiple-tropical-plant-species
#19
Timothy J Watts, Philip H Li, Iason Thomas, Rubaiyat Haque
No abstract text is available yet for this article.
May 18, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28528878/occupational-prognosis-factors-for-ulnar-nerve-entrapment-at-the-elbow-a-systematic-review
#20
M Fadel, R Lancigu, G Raimbeau, Y Roquelaure, A Descatha
Although ulnar nerve entrapment is the second most common entrapment neuropathy, there is a dearth of studies identifying occupational prognosis factors. We carried out a systematic review of the occupational prognosis factors for ulnar nerve entrapment in order to identify professions at risks and allow better follow-up for their workers. Using the key words, "ulnar OR cubital", "neuropathy OR tunnel", and "work OR occupational" without limitations, original prospective studies were selected from four databases (PubMed, Embase, Web of Science, Cochrane Library) after two rounds (valid design, valid prognosis outcome reported, valid work exposure)...
May 18, 2017: Hand Surgery and Rehabilitation
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