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https://www.readbyqxmd.com/read/27908260/-a-proteomics-approach-to-discover-drought-tolerance-proteins-in-wheat-pollen-grain-at-meiosis-stage
#1
Reza Fotovat, Mehdi Alikhani, Mostafa Valizadeh, Mehdi Mirzaei, Ghasem Hossein Salekdeh
Plants reproductive phase, when grain yield and consequently farmers' investment is most in jeopardy, is considered as the most sensitive stage to drought stress. In this study, we aimed to explore the proteomic response of wheat anther at meiosis stage in a drought tolerant, Darab, and susceptible, Shiraz, wheat genotypes. Wheat plants were exposed to drought stress at meiosis stage for four days under controlled environmental conditions. Then, anthers from both genotypes were sampled, and their proteomes were examined via quantitative proteomics analysis...
November 30, 2016: Protein and Peptide Letters
https://www.readbyqxmd.com/read/27887697/hypercrosslinked-cholesterol-based-polystyrene-monolithic-capillary-columns
#2
D Grzywiński, M Szumski, B Buszewski
Cholesteryl methacrylate has been used to obtain hypercrosslinked poly(cholesteryl methacrylate-co-4-methylstyrene-co-vinylbenzyl chloride-co-divinylbenzene) monolithic stationary phase for capillary liquid chromatography. Different contents of cholesteryl methacrylate and toluene in polymerization mixture have been tested to obtain chromatographic performance. The best column has been prepared using 7% of cholesteryl methacrylate and 1% of toluene in polymerization mixture. Such a monolithic material exhibited a surface area of 452m(2)/g (BET)...
November 19, 2016: Journal of Chromatography. A
https://www.readbyqxmd.com/read/27864394/bet-2-low-dose-ketamine-for-acute-pain-in-the-ed
#3
Colby Duncan, Brad Riley
A short cut review was carried out to establish whether low-dose ketamine is better than morphine at safely and effectively reducing pain scores in ED patients with acute pain who do not respond to conventional therapies. One hundred and thirty-two papers were found using the reported searches, of these three presented the best evidence to answer the clinical question. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of these best papers are tabulated...
December 2016: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/27864393/towards-evidence-based-emergency-medicine-best-bets-from-the-manchester-royal-infirmary
#4
Kevin C Mackway-Jones
No abstract text is available yet for this article.
December 2016: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/27864392/bet-1-trimethoprim-sulfamethoxazole-in-uncomplicated-skin-abscess
#5
Reece Baker, Jason Seamon
A short cut review was carried out to establish whether incision and drainage followed by treatment with oral trimethoprim-sulfamethoxazole is better than incision and drainage alone at treating patients with uncomplicated skin abscesses. One hundred and ninety-seven papers were found using the reported searches, of which three presented the best evidence to answer the clinical question. The author, date and country of publication, patient group studied, study type, relevant outcomes, results and study weaknesses of these papers are tabulated...
December 2016: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/27858791/preparation-characterization-and-application-of-activated-carbon-from-low-cost-material-for-the-adsorption-of-tetracycline-antibiotic-from-aqueous-solutions
#6
Afshin Takdastan, Amir Hossein Mahvi, Eder C Lima, Mohammad Shirmardi, Ali Akbar Babaei, Gholamreza Goudarzi, Abdolkazem Neisi, Mohammad Heidari Farsani, Mehdi Vosoughi
In this study, a new zinc chloride (ZnCl2) impregnated activated carbon (Zn-AC) was prepared from oak charcoals as low-cost material and used as adsorbent for tetracycline (TC) adsorption. The Zn-AC was characterized using field emission-scanning electron microscope, powder X-ray diffraction, and CHNS-O analyses. Specific surface area of the adsorbent was also measured using the Brunauer, Emmett and Teller (BET) isotherm model. The TC adsorption onto the Zn-AC was investigated as a function of solution pH, adsorbent dosage, and inorganic cations (Li(+), K(+), Mg(2+), Ca(2+), Ni(2+), and Fe(3+)) and anions (HCO3(-), NO3(-) and SO4(2-)) that could interfere in the adsorption of TC...
November 2016: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/27829184/inorganic-oxides-with-potential-application-in-the-preparation-of-a-68-ge-68-ga-generator-system
#7
E Romero, M A Morcillo
The ion exchange properties of some tin and titanium oxides with potential application in the development of a (68)Ge/(68)Ga generator were determined. The best potential candidates, SnO2 and calcined SnO2, were further characterized by powder X-Ray Diffraction (XRD), Scanning Electron Microscopy (SEM) and Brunauer-Emmett-Teller (BET) surface area analysis and its radiation stability was also determined. Two (68)Ge/(68)Ga pilot generators (1.85MBq) based on SnO2 and calcined SnO2 were developed and evaluated over 100 and 200 elution cycles respectively, using as eluent different concentrations of HCl...
January 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/27798804/treatment-of-purified-terephthalic-acid-wastewater-using-a-bio-waste-adsorbent-bagasse-fly-ash-bfa
#8
Shilpi Verma, Basheshwar Prasad, Indra Mani Mishra
Purified terephthalic acid (PTA) plant of a petrochemical unit generates wastewater having high pollution load. Acid treatment of this wastewater reduces the chemical oxygen demand (COD) load by more than 50%, still leaving substantial COD load (>1500 mg/L) which should be removed. The present study reports on the use of a bio-waste-adsorbent bagasse fly ash (BFA) for the reduction of COD and other recalcitrant acids from this wastewater. The BFA showed basic character and was mesoporous with a BET specific surface area of 82...
October 31, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27764794/the-bet-bromodomain-inhibitor-exerts-the-most-potent-synergistic-anticancer-effects-with-quinone-containing-compounds-and-anti-microtubule-drugs
#9
Pei Y Liu, Nicholas Sokolowski, Su T Guo, Faraz Siddiqi, Bernard Atmadibrata, Thomas J Telfer, Yuting Sun, Lihong Zhang, Denise Yu, Joshua Mccarroll, Bing Liu, Rui H Yang, Xiang Y Guo, Andrew E Tee, Ken Itoh, Jenny Wang, Maria Kavallaris, Michelle Haber, Murray D Norris, Belamy B Cheung, Jennifer A Byrne, David S Ziegler, Glenn M Marshall, Marcel E Dinger, Rachel Codd, Xu D Zhang, Tao Liu
BET bromodomain inhibitors are very promising novel anticancer agents, however, single therapy does not cause tumor regression in mice, suggesting the need for combination therapy. After screening a library of 2697 small molecule compounds, we found that two classes of compounds, the quinone-containing compounds such as nanaomycin and anti-microtubule drugs such as vincristine, exerted the best synergistic anticancer effects with the BET bromodomain inhibitor JQ1 in neuroblastoma cells. Mechanistically, the quinone-containing compound nanaomycin induced neuroblastoma cell death but also activated the Nrf2-antioxidant signaling pathway, and the BET bromodomain proteins BRD3 and BRD4 formed a protein complex with Nrf2...
October 13, 2016: Oncotarget
https://www.readbyqxmd.com/read/27754666/use-of-nutrient-rich-hydrophytes-to-create-n-p-dually-doped-porous-carbon-with-robust-energy-storage-performance
#10
Wu-Jun Liu, Ke Tian, Li-Li Ling, Han-Qing Yu, Hong Jiang
The optimal strategy for the safe disposal of large amounts of hydrophyte biomass with enriched levels of N and P is challenging. In this study, we proposed and illustrated a facile pyrolysis approach to prepare an N, P-dually doped porous carbon (NPC) material with robust energy storage performance using a thermochemical self-doping process and a widely distributed hydrophyte biomass (Typha angustifolia). As a supercapacitor electrode material for electrochemical energy storage, the NPC shows a maximum capacitance of 257 F g-1 and energy density of 19...
October 18, 2016: Environmental Science & Technology
https://www.readbyqxmd.com/read/27748591/luminescent-1d-and-2d-coordination-polymers-using-cux-salts-x-cl-br-i-and-a-metal-containing-dithioether-ligand
#11
Frank Juvenal, Adam Langlois, Antoine Bonnot, Daniel Fortin, Pierre D Harvey
The organometallic synthon trans-[p-MeSC6H4C≡C-Pt(PMe3)2-C≡CC6H4SMe] (L1) reacts with CuX (X = Cl, Br, I) in PrCN and PhCN to form 1D- or 2D-coordination polymers (CP) with a very high degree of variability of features. The copper-halide unit can be either the rhomboids Cu2X2 fragments or the step cubane Cu4I4. The CP's may also incorporate a crystallization solvent molecule or not, which may be coordinated to copper or not. Their characterizations were performed by X-ray crystallography, thermal gravimetric analysis (TGA), and IR, absorption, and emission spectra as well as photophysical measurements in the presence and absence of solvent crystallization molecules...
October 17, 2016: Inorganic Chemistry
https://www.readbyqxmd.com/read/27738693/in-situ-formation-of-nitrogen-doped-carbon-nanoparticles-on-hollow-carbon-spheres-as-efficient-oxygen-reduction-electrocatalysts
#12
Tingsheng Zhou, Yao Zhou, Ruguang Ma, Zhenzhen Zhou, Guanghui Liu, Qian Liu, Yufang Zhu, Jiacheng Wang
In situ formation of nitrogen-doped carbon nanoparticles on hollow carbon spheres (NHCSs) were successfully realised via a simple, scalable emulsion polymerization route using melamine as the nitrogen precursor, followed by thermal treatment at 1000 °C in N2. All NHCSs show large BET specific surface areas (648.2-837.7 cm(2) g(-1)) and pore volumes (0.91-1.16 cm(3) g(-1)), evidently superior to N-free hollow carbon spheres (HCSs) (524.3 cm(2) g(-1) and 0.48 cm(3) g(-1), respectively). This unique nanocomposite has hierarchical micro-/mesoporosity (1...
October 14, 2016: Nanoscale
https://www.readbyqxmd.com/read/27729179/evaluation-of-the-adsorption-potential-of-eco-friendly-activated-carbon-prepared-from-cherry-kernels-for-the-removal-of-pb-2-cd-2-and-ni-2-from-aqueous-wastes
#13
Sabolč Pap, Jelena Radonić, Snežana Trifunović, Dragan Adamović, Ivana Mihajlović, Mirjana Vojinović Miloradov, Maja Turk Sekulić
Development, characterization and evaluation of the efficiency of cost-effective medium for the removal of Pb(2+), Cd(2+) and Ni(2+) from aqueous systems, as a novel, eco-friendly solution for wastewater remediation were done. The precursors for low-cost adsorbent were lignocellulosic raw materials (sweet/sour cherry kernels), as industrial byproducts and components of organic solid waste. Activated carbon synthesis was carried out by thermochemical conversion (H3PO4, 500 °C) in the complete absence of inert atmosphere...
October 8, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27711880/facile-preparation-of-nico2o4-rgo-composites-for-the-removal-of-uranium-ions-from-aqueous-solutions
#14
Xiumei Song, Lichao Tan, Xiaojun Sun, Huiyuan Ma, Lin Zhu, Xiaoqing Yi, Qiang Dong, Junyu Gao
A hierarchical structure of NiCo2O4@rGO composite has been fabricated, with its structure and morphology well characterized by XRD, TEM, XPS and BET. The results proved that the NiCo2O4 nanosheets grow uniformly on both sides of the graphene sheets. In batch adsorption experiments, the effects of equilibrium time, pH and temperature on uranium(vi) adsorption were investigated. The main results show that the NiCo2O4@rGO composite has a higher affinity towards the uptake of uranium(vi) from aqueous solutions...
September 30, 2016: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/27694027/increased-photocatalytic-activity-of-nio-and-zno-in-photodegradation-of-a-model-drug-aqueous-solution-effect-of-coupling-supporting-particles-size-and-calcination-temperature
#15
Hadis Derikvandi, Alireza Nezamzadeh-Ejhieh
Mechanically ball-mill prepared clinoptilolite nanoparticles (NC) were used for increasing photocatalytic activity of NiO and ZnO as alone and binary systems. The semiconductors were supported onto the zeolite during calcination of Ni(II)-Zn(II)-exchanged NC at different calcinations temperatures. XRD, FTIR, SEM-EDX, X-ray mapping, DRS, TEM and BET techniques were used for characterization of the samples. The calcined catalysts at 400°C for 4h showed the best photocatalytic activity for metronidazole (MNZ) in aqueous solution...
September 23, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27678457/the-mapk-pathway-regulates-intrinsic-resistance-to-bet-inhibitors-in-colorectal-cancer
#16
Yufang Ma, Lihong Wang, Leif R Neitzel, Sudan Loganathan, Nan Tang, Lili Qin, Crispi E Emily, Yan Guo, Stefan Knapp, Robert D Beauchamp, Ethan Lee, Jialiang Wang
PURPOSE: The bromodomain and extra-terminal domain (BET) family proteins are epigenetic readers for acetylated histone marks. Emerging BET bromodomain inhibitors have exhibited antineoplastic activities in a wide range of human cancers through suppression of oncogenic transcription factors, including MYC. However, the preclinical activities of BET inhibitors in advanced solid cancers are moderate at best. To improve BET-targeted therapy, we interrogated mechanisms mediating resistance to BET inhibitors in colorectal cancer (CRC)...
September 27, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27662855/sol-gel-synthesis-of-tio2-nanoparticles-effect-of-pluronic-p123-on-particle-s-morphology-and-photocatalytic-degradation-of-paraquat
#17
Cédric B D Marien, Clément Marchal, Alain Koch, Didier Robert, Patrick Drogui
We report a facile method to tune TiO2 nanoparticles' morphology by modifying and an acid-catalyzed sol-gel synthesis with Pluronic P123. Synthesized particles were characterized by transmission electron microscopy, BET analysis, and X-ray diffraction spectroscopy. XRD analysis revealed a high anatase content while BET measurements showed that porous volume strongly depends on the amount of P123. We demonstrate that high amounts of P123 increase particle's aspect-ratio from spherical to rod-shape morphology...
September 23, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27651502/towards-evidence-based-emergency-medicine-best-bets-from-the-manchester-royal-infirmary
#18
Kerstin Hogg
No abstract text is available yet for this article.
October 2016: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/27539979/towards-evidence-based-emergency-medicine-best-bets-from-the-manchester-royal-infirmary
#19
Craig Ferguson, Body Richard
No abstract text is available yet for this article.
September 2016: Emergency Medicine Journal: EMJ
https://www.readbyqxmd.com/read/27492558/kinetic-and-thermodynamic-evaluation-of-adsorption-of-cu-ii-by-thiosemicarbazide-chitosan
#20
Mudasir Ahmad, Kaiser Manzoor, Perumal Venkatachalam, Saiqa Ikram
A modified biomacromolecule, chitosan-thiosemicarbazide framework (TSCS) as an adsorbent for Cu(II) was prepared from dialdehyde chitosan through condensation reaction with thiosemicarbazide, stabilized by the reduction reaction with sodium borohydride. TSCS was characterized by means of FT-IR and XPS. Surface morphologies were studied by FESEM and BET, which revealed the highly macro porous structure. The thermal analyses was done through TGA showing much stable chemical configuration at about ≥400°C. The experimental equilibrium data was evaluated by Langmuir, Freundlich and Dubinin-Radushkevich isotherm models...
November 2016: International Journal of Biological Macromolecules
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