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https://www.readbyqxmd.com/read/28938177/the-osmotin-of-calotropis-procera-latex-is-not-expressed-in-laticifer-free-cultivated-callus-and-under-salt-stress
#1
Isabel C C Souza, Márcio V Ramos, José H Costa, Cleverson D T Freitas, Raquel S B Oliveira, Frederico B Moreno, Renato A Moreira, Cristina P S Carvalho
The latex of Calotropis procera has previously been reported to contain osmotin. This protein (CpOsm) inhibited phytopathogens and this was mechanistically characterized. Here, the time-course profile of CpOsm transcripts was examined in the salt-stressed cultivated callus of C. procera in order to better understand its role in the physiology of the plant. Stressed callus (80 mM NaCl) showed an unbalanced content of organic compounds (proline and total soluble sugar) and inorganic ions (Na(+), Cl(-), and K(+))...
September 14, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28938176/genotypic-differences-in-physiological-and-biochemical-responses-to-salinity-stress-in-melon-cucumis-melo-l-plants-prospects-for-selection-of-salt-tolerant-landraces
#2
Behrooz Sarabi, Sahebali Bolandnazar, Nasser Ghaderi, Jaleh Ghashghaie
Melon (Cucumis melo L.) is one of the most important horticultural crops in Iran often cultivated in arid and semiarid regions of the country with salinity problems. The objective of this work was to better understand the mechanisms of physiological and biochemical responses to salinity stress of five Iranian melon landraces "Samsuri", "Kashan", "Khatouni", "Suski-e-Sabz", and "Ghobadlu" from different geographical origins, and "Galia" F1 cultivar. Plants were grown under greenhouse conditions and irrigated with half-strength Hoagland solution containing 0, 30, 60, or 90 mM NaCl for 60 days...
September 13, 2017: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/28938013/spatial-distribution-of-cutaneous-leishmaniasis-in-the-state-of-paran%C3%A3-brazil
#3
Helen Aline Melo, Diogo Francisco Rossoni, Ueslei Teodoro
The geographic distribution of cutaneous leishmaniasis (CL) makes it a disease of major clinical importance in Brazil, where it is endemic in the state of Paraná. The objective of this study was to analyze the spatial distribution of CL in Paraná between 2001 and 2015, based on data from the Sistema de Informação de Agravos de Notificação (Information System for Notifiable Diseases) regarding autochthonous CL cases. Spatial autocorrelation was performed using Moran's Global Index and the Local Indicator of Spatial Association (LISA)...
2017: PloS One
https://www.readbyqxmd.com/read/28937969/layered-double-hydroxide-enhanced-luminescence-in-a-fenton-like-system-for-selective-sensing-of-cobalt-in-hela-cells
#4
Mei Yu, Zhiqin Yuan, Chao Lu
This work presented a facile and eco-friendly method for the determination of cobalt ions (Co(II)) in living cells based on layered double hydroxides (Mg-Al CO3-LDHs) enhanced chemiluminescence (CL) emission of a Co(II)-hydrogen peroxide-sodium hydroxide system. The enhanced CL emission was attributed to the large specific surface area of Mg-Al CO3-LDHs, which facilitates the generation of an excited-stated intermediate. The proposed method displayed high selectivity toward Co(II) over other metal ions. Under the optimal conditions, the increased CL intensity showed a linear response versus Co(II) concentration in the range of 5...
September 22, 2017: Methods and Applications in Fluorescence
https://www.readbyqxmd.com/read/28937801/clinical-implications-of-hand-position-and-lower-limb-length-measurement-method-on-y-balance-test-scores-and-interpretation
#5
Kim Hébert-Losier
CONTEXT:   The Lower Quarter Y-Balance Test (LQ-YBT) was developed to provide an effective and efficient screen for injury risk in sports. Earlier protocol recommendations for the LQ-YBT involved the athlete placing the hands on the hips and the clinician normalizing scores to lower limb length measured from the anterior-superior iliac spine to the lateral malleolus. The updated LQ-YBT protocol recommends the athlete's hands be free moving and the clinician measure lower limb length to the medial malleolus...
September 22, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28937773/probing-the-hiv-1-ncp7-nucleocapsid-protein-with-site-specific-gold-i-phosphine-complexes
#6
Raphael E F de Paiva, Zhifeng Du, Erica J Peterson, Pedro P Corbi, Nicholas P Farrell
In this work, we examined a series of thiophilic Au(I) compounds based on [Au(L)(PR3)] (L = Cl(-), 4-dimethylaminopyridine (dmap); R= ethyl (Et), cyclohexyl (Cy)) for chemoselective auration of the C-terminal HIV nucleocapsid protein NCp7 F2 and the "full" HIV NCp7 (NC, zinc finger (ZnF)) as probes of nucleocapsid topography. The choice of phosphine allowed electronic and steric effects to be considered. The use of the heterocycle "leaving group" allowed us to study the effect of possible π-stacking with the essential tryptophan residue of NC on the reactivity and selectivity, mimicking the naturally occurring interaction between the zinc finger and nucleic acids...
September 22, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28937759/copper-ii-chloro-complex-formation-thermodynamics-and-structure-in-ionic-liquid-1-butyl-3-methylimidazolium-trifluoromethanesulfonate
#7
Ryo Kanzaki, Shuma Uchida, Hitoshi Kodamatani, Takashi Tomiyasu
Metal ions in ionic liquids are laid under an unprecedented reaction field. In order to assess the reaction thermodynamics of metal ions in such a situation, Cu(2+)-chloro complex formation was examined with spectroscopic and calorimetric titrations in an ionic liquid, 1-buthyl-3-methylimidazolium trifluoromethanesulfonate (C4mimTfO). In addition, the effect of the structure of the solvated complexes on the complexation mechanism was investigated with the aid of DFT calculations. Chloro complexation successively proceeded and finally provided a [CuCl4](2‒) species, which is also the final product in conventional molecular solvents...
September 22, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28937695/trinuclear-complexes-of-palladium-ii-with-chalcogenated-n-heterocyclic-carbenes-catalysis-of-selective-nitrile-primary-amide-interconversion-and-sonogashira-coupling
#8
Pooja Dubey, Sonu Gupta, Ajai K Singh
3-Methyl-1-(2-(phenylthio/seleno)ethyl)-1H-benzo[d]imidazol-3-ium iodide (L1/L2), a precursor of sulfated/selenated N-heterocyclic carbene, was synthesized by the reaction of benzimidazole with 1,2-dichloroethane followed by treatment with PhS/SeNa and MeI. The reaction of L1/L2 with Ag2O followed by treatment with [Pd(CH3CN)2Cl2] (metal to ligand ratio 3 : 2), i.e. transmetallation, resulted in trinuclear palladium(ii) complexes [Pd3(L1/L2-HI)2(CH3CN)Cl6] (1-2). The complexes were characterized with (1)H, (13)C{(1)H} and (77)Se{(1)H} NMR (2 only), elemental analyses, HR-MS and single-crystal X-ray diffraction...
September 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28937175/chiral-six-coordinate-dy-iii-and-tb-iii-complexes-of-an-achiral-ligand-structure-fluorescence-and-magnetism
#9
Mei-Jiao Liu, Juan Yuan, Yi-Quan Zhang, Hao-Ling Sun, Cai-Ming Liu, Hui-Zhong Kou
Two new chiral six-coordinate lanthanide complexes (1 for Dy and 2 for Tb) have been synthesized using the achiral flexible ligand H2L (2,2'-[1,2-ethanediylbis[(methylimino)methylene]]bis[4,5-dimethylphenol]). Both complexes crystallize in the chiral P1 group space, and the enantiomers [Zn(L)Cl]3Dy·MeOH·0.5H2O (Λ-1), [Zn(L)Cl]3Dy·1.5H2O (Δ-1), [Zn(L)Cl]3Tb·1.5H2O (Λ-2) and [Zn(L)Cl]3Tb·H2O (Δ-2) are isolated in the reaction. Three [Zn(L)Cl](-) anions coordinate to the central lanthanide ion using two phenoxo oxygen atoms of L(2-), and the lanthanide ion has the coordination geometry of D3...
September 22, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28935604/molecular-features-and-physiological-roles-of-k-cl-cotransporter-4-kcc4
#10
REVIEW
A A Marcoux, A P Garneau, R Frenette-Cotton, S Slimani, F Mac-Way, P Isenring
A K(+)-Cl(-) cotransport system was documented for the first time during the mid-seventies in sheep and goat red blood cells. It was then described as a Na(+)-independent and ouabain-insensitive ion carrier that could be stimulated by cell swelling and N-ethylmaleimide (NEM), a thiol-reacting agent. Twenty years later, this system was found to be dispensed by four different isoforms in animal cells. The first one was identified in the expressed sequence tag (EST) database by Gillen et al. based on the assumption that it would be homologous to the Na(+)-dependent K(+)-Cl(-) cotransport system for which the molecular identity had already been uncovered...
September 18, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/28935527/axis-free-correction-of-astigmatism-using-bifocal-soft-contact-lenses
#11
Alexander Leube, Imre Kovats, Siegfried Wahl, Wolfgang Sickenberger
PURPOSE: Pilot study to investigate the feasibility of an axis-free correction approach of regular astigmatism using soft, bifocal contact lenses (CL). METHODS: The investigation covers an optical simulation and a pilot study for the assessment of visual performance (over refraction OR, monocular visual acuity VA). The power of the two zones was adjusted according to the power of the astigmatic meridians, individually. Subjective performance was assessed in 30 participants with a mean horizontal cylindrical component of J0=- 0...
September 18, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28935398/understanding-complex-lnapl-sites-illustrated-handbook-of-lnapl-transport-and-fate-in-the-subsurface
#12
Derek W Tomlinson, Michael O Rivett, Gary P Wealthall, Rob E H Sweeney
The goal of the paper is to highlight the management of the complexities and risks for light non-aqueous phase liquid (LNAPL) sites, and how the Illustrated Handbook of LNAPL Transport and Fate in the Subsurface (CL:AIRE, London. ISBN 978-1-905046-24-9. http://www.claire.co.uk/LNAPL; "LNAPL illustrated handbook") is useful guidance and a tool for professionals to understand these complexities and risks. The LNAPL illustrated handbook provides a clear and concise best-practice guidance document, which is a valuable decision support tool for use in discussions and negotiations regarding LNAPL impacted sites with respect to the risks of LNAPL...
September 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28935261/optimization-of-the-solvent-based-dissolution-method-to-sample-volatile-organic-compound-vapors-for-compound-specific-isotope-analysis
#13
Daniel Bouchard, Philipp Wanner, Hong Luo, Patrick W McLoughlin, James K Henderson, Robert J Pirkle, Daniel Hunkeler
The methodology of the solvent-based dissolution method used to sample gas phase volatile organic compounds (VOC) for compound-specific isotope analysis (CSIA) was optimized to lower the method detection limits for TCE and benzene. The sampling methodology previously evaluated by [1] consists in pulling the air through a solvent to dissolve and accumulate the gaseous VOC. After the sampling process, the solvent can then be treated similarly as groundwater samples to perform routine CSIA by diluting an aliquot of the solvent into water to reach the required concentration of the targeted contaminant...
August 24, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28934688/fulvic-acid-anchored-layered-double-hydroxides-a-multifunctional-composite-adsorbent-for-the-removal-of-anionic-dye-and-toxic-metal
#14
Lei Li, Guangxia Qi, Bangda Wang, Dongbei Yue, Yi Wang, Tsutomu Sato
A novel multifunctional composite adsorbent which possesses the ability for anion exchange and toxic metal complexation has been synthesized by the hybridization of layered double hydroxides (LDH) and fulvic acid (FA) in this study. The results show that FA with lots of functional groups can be effectively and stably anchored on the surface of LDH through coagulation process without occupying the interlayer of LDH. Therefore, the anion exchange ability remains and the adsorption capacity of Orange II can reach 1...
September 6, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28934313/characterization-of-pathogenic-enterococcus-cecorum-from-different-poultry-groups-broiler-chickens-layers-turkeys-and-waterfowl
#15
Beata Dolka, Dorota Chrobak-Chmiel, Michał Czopowicz, Piotr Szeleszczuk
Enterococcus cecorum (EC) is known as a commensal in the intestines of mammals and birds. However, it has been described as an emerging pathogen in poultry industry worldwide. The aim of this study was to analyze and compare EC isolated from clinical material collected from poultry groups with different production purposes. The genetic diversity among pathogenic EC in relation to each specific poultry type was examined. In total, 148 isolates from independent infection outbreaks (2011-2016) were used: 76 broiler chickens (CB), 37 broiler breeders (BB), 23 layers (CL), 7 waterfowl (W) and 5 turkey (T) flocks (1 isolate/1 flock)...
2017: PloS One
https://www.readbyqxmd.com/read/28933918/pharmacokinetics-of-a-new-amphetamine-extended-release-oral-suspension-in-children-with-attention-deficit-hyperactivity-disorder
#16
Carolyn R Sikes, Russ L McMahen, Jeffrey G Stark, Dorothy Engelking
OBJECTIVE: An extended-release amphetamine (AMP) oral suspension has been developed to facilitate medication ingestion and dose titration. This study sought to determine the pharmacokinetic (PK) profile of this new formulation in children with attention-deficit/hyperactivity disorder (ADHD). METHODS: This was an open-label, single-period, PK study in 29 pediatric participants with ADHD. Participants were stratified into age groups 1 (6-7 years), 2 (8-9 years), and 3 (10-12 years), and dosed with 15 mL extended-release AMP liquid suspension (equivalent to 30 mg mixed AMP salts) after an overnight fast...
September 21, 2017: Journal of Child and Adolescent Psychopharmacology
https://www.readbyqxmd.com/read/28933868/electronic-structure-and-stability-of-b12x12-2-x-f-at-a-combined-photoelectron-spectroscopic-and-theoretical-study
#17
Jonas Warneke, Gao-Lei Hou, Edoardo Aprà, Carsten Jenne, Zheng Yang, Zhengbo Qin, Karol Kowalski, Xue-Bin Wang, Sotiris S Xantheas
The stability and electron loss process of numerous Multiply Charged Anions (MCAs) have been traditionally explained in terms of the classical Coulomb interaction between spatially separated charged groups. An understanding of these processes in MCAs with not well-separated excess charges is still lacking. We report the surprising properties and physical behavior of [B12X12]2-, X = F, Cl, Br, I, At, which are MCAs with not well-separated excess charges and cannot be described by the prevailing classical picture...
September 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28933843/cspb0-9sn0-1ibr2-based-all-inorganic-perovskite-solar-cells-with-exceptional-efficiency-and-stability
#18
Jia Liang, Peiyang Zhao, Caixing Wang, Yanrong Wang, Yi Hu, Guoyin Zhu, Lianbo Ma, Jie Liu, Zhong Jin
The emergence of perovskite solar cells (PSCs) has generated enormous interests in the photovoltaic research community. Recently, cesium metal halides (CsMX3, M = Pb or Sn; X = I, Br, Cl or mixed halides) as a class of inorganic perovskites showed great promise for PSCs and other optoelectronic devices. However, CsMX3-based PSCs usually exhibit lower power conversion efficiencies (PCEs) than organic-inorganic hybrid PSCs, due to the unfavorable bandgaps. Herein, a novel mixed-Pb/Sn mixed-halide inorganic perovskite, CsPb0...
September 21, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28933838/gold-iii-nhc-complexes-for-catalyzing-dihydroalkoxylation-and-hydroamination-reactions
#19
Ashwin G Nair, Roy T McBurney, Mark R D Gatus, Samantha C Binding, Barbara A Messerle
A gold(III) complex of an N-heterocyclic carbene based hemilabile ligand with two pendant pyrazole arms (1,3-bis((1H-pyrazol-3-yl)methyl)-2,3-dihydro-1H-imidazole, LH) was synthesized. Complex [LAu(III)Cl3] is an excellent catalyst for promoting dihydroalkoxylation at room temperature, even catalyzing this reaction at 0 °C. [LAu(III)Cl3] is one of the most efficient catalysts reported to date for the spirocyclization of alkynyl diols. Furthermore, [LAu(III)Cl3] catalyzed intra- and intermolecular hydroamination reactions, achieving good to excellent conversions...
September 21, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28933814/the-effect-of-concentration-on-the-electrochemistry-and-speciation-of-the-magnesium-aluminum-chloride-complex-electrolyte-solution
#20
Kimberly See, Yao-Min Liu, Yeyoung Ha, Christopher J Barile, Andrew A Gewirth
Magnesium batteries offer an opportunity to use naturally abundant Mg and achieve large volumetric capacities reaching over four times that of conventional Li-based intercalation anodes. High volumetric capacity is enabled by the use of a Mg metal anode in which charge is stored via electrodeposition and stripping processes, however, electrolytes that support efficient Mg electrodeposition and stripping are few and are often prepared from highly reactive compounds. One interesting electrolyte solution that supports Mg deposition and stripping without the use of highly reactive reagents is the magnesium aluminum chloride complex (MACC) electrolyte...
September 21, 2017: ACS Applied Materials & Interfaces
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