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Showing 1-30 of 39 results for "545856" within Papers
Jinyoung Jeong et al.
Advanced materials (Deerfield Beach, Fla.), 24(15), 1999-2003 (2012-03-21)
Highly water-soluble and color-tunable photoluminescent fullerene nanoparticles are synthesized by using tetraethylene glycol (TEG) and lithium hydroxide as a catalyst. The maximum PL emission changes depend on the contents of the remaining π-conjugation in oxidized C(60), which is partially covalently
Ali El-Dissouky et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 67(3-4), 1072-1079 (2006-12-05)
A new series of iron(III) complexes are synthesized from the reaction of the polyfunctional ligands 1-benzotriazol-1-yl-1-[p-X-phenyl]hydrazono]propan-2-one (X=H, Cl, NO(2), CH(3) or OCH(3) corresponding to HL(1),HL(2), HL(3), HL(4) or HL(5), respectively, with iron(III) chloride in the presence of LiOH by the
Yan-Kai Tzeng et al.
Journal of mass spectrometry : JMS, 44(3), 375-383 (2008-10-30)
We report new approaches using alkali-hydroxide-doped matrices to facilitate structural characterization of neutral underivatized oligosaccharides by matrix-assisted laser desorption/ionization (MALDI) time-of-flight (TOF) MS. The approaches involved pretreatment of the analytes with NaOH or LiOH in aqueous solution, followed by mixing
Manuel Sturzbecher-Höhne et al.
Chemical research in toxicology, 21(12), 2257-2259 (2009-06-24)
We describe the preparation of aqueous solutions of LiONOO and NaONOO from (Me4N)ONOO. An aqueous solution of analytically pure, commercially available (Me4N)ONOO is applied to an Amberlyst 15 column at 4 degrees C, and the Me4N+ is rapidly (in 20
Cheng Guo et al.
Journal of the American Society for Mass Spectrometry, 23(7), 1191-1201 (2012-05-03)
Collision-induced dissociation (CID) of Li(+) adducts of three sets of compounds that contains an amide bond, including 2-(4, 6-dimethoxypyrimidin-2-ylsulfanyl)-N-phenylbenzamide, its derivatives and simpler structures was investigated by electrospray ionization tandem mass spectrometry (ESI-MS/MS). Observed fragment ions include those that reflect
Muhammad Ayoub et al.
Bioresource technology, 112, 308-312 (2012-03-23)
The synthesis of oxygenated fuel additives via solvent freebase-catalyzed etherification of glycerol is reported. The products of glycerol etherification arediglycerol (DG) and triglycerol (TG) with DG being the favorable one. The catalytic activity of different homogeneous alkali catalysts (LiOH, NaOH
Low-Temperature, Solution-Processed and Alkali Metal Doped ZnO for High-Performance Thin-Film Transistors.
Park SY, et al.
Advanced Mat., 24(6), 834-838 (2012)
Z T Yao et al.
Journal of hazardous materials, 170(2-3), 639-644 (2009-06-06)
The zeolite Li-ABW was synthesized by fusion method using fly ash as raw material. It comprised alkaline fusion followed by hydrothermal treatment in LiOH x H2O medium. Crystallinity of zeolite as high as 97.8% was attained under the following conditions:
Coilín Boland et al.
Cellular and molecular life sciences : CMLS, 71(24), 4895-4910 (2014-07-12)
Membrane proteins are key elements in cell physiology and drug targeting, but getting a high-resolution structure by crystallographic means is still enormously challenging. Novel strategies are in big demand to facilitate the structure determination process that will ultimately hasten the
Petr Tůma et al.
Electrophoresis, 31(12), 2037-2043 (2010-06-22)
A CE procedure employing capacitively coupled contactless conductivity detection has been developed for direct determination of the glycerol and mannitol polyalcohols in biological and pharmacological samples. Both glycerol and mannitol are fully separated from the sample matrix within very short
Elisa Di Pietro et al.
The journal of physical chemistry. B, 110(27), 13539-13546 (2006-07-11)
When the free energy surface of the lithium hydroxide monohydrate crystal was explored, the high-pressure solid-state phase transition was determined. The high-pressure phase has been obtained through ab initio Car-Parrinello molecular dynamics simulation in the isothermic-isobaric ensemble. The recent metadynamics
Jie Cai et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 8(10), 1572-1579 (2007-06-15)
It was puzzling that cellulose could be dissolved rapidly in 4.6 wt % LiOH/15 wt % urea aqueous solution precooled to -12 degrees C, whereas it could not be dissolved in the same solvent without prior cooling. To clarify this
Quanling Yang et al.
Biomacromolecules, 12(7), 2766-2771 (2011-06-11)
Transparent and bendable regenerated cellulose films prepared from aqueous alkali (NaOH or LiOH)/urea (AU) solutions exhibit high oxygen barrier properties, which are superior to those of conventional cellophane, poly(vinylidene chloride), and poly(vinyl alcohol). Series of AU cellulose films are prepared
Anja Kovanda et al.
Scientific reports, 5, 17944-17944 (2015-12-04)
The G4C2 hexanucleotide repeat expansion mutation (HREM) in C9ORF72, represents the most common mutation associated with amyotrophic lateral sclerosis (ALS) and frontotemporal lobar degeneration (FTLD). Three main disease mechanisms have been proposed to date: C9ORF72 haploinsufficiency, RNA toxicity, and accumulation
Production of biodiesel with lithium glyceroxide.
Wang E, et al.
Fuel: The Science and Technology of Fuel and Energy, 160, 621-628 (2015)
Barney M Bishop et al.
PloS one, 10(2), e0117394-e0117394 (2015-02-12)
Cationic antimicrobial peptides and their therapeutic potential have garnered growing interest because of the proliferation of bacterial resistance. However, the discovery of new antimicrobial peptides from animals has proven challenging due to the limitations associated with conventional biochemical purification and
Jie Cai et al.
Macromolecular bioscience, 5(6), 539-548 (2005-06-15)
Rapid dissolution of cellulose in LiOH/urea and NaOH/urea aqueous solutions was studied systematically. The dissolution behavior and solubility of cellulose were evaluated by using (13)C NMR, optical microscopy, wide-angle X-ray diffraction (WAXD), FT-IR spectroscopy, DSC, and viscometry. The experiment results
Electrochemical behavior of anatase TiO2 in aqueous lithium hydroxide electrolyte.
Manickam M, et al.
J. Appl. Electrochem., 36(5), 599-602 (2006)
H Cheng et al.
Cellular and molecular biology (Noisy-le-Grand, France), 49(5), 809-818 (2003-10-08)
Recently, we have demonstrated that sulfatide content was substantially depleted in post-mortem brain samples from subjects with very mild Alzheimer's disease (AD) relative to age-matched controls. However, it is unknown if the observed sulfatide deficiency is AD-specific and what mechanism(s)
L C Hsu et al.
Journal of hazardous materials, 142(1-2), 242-249 (2006-09-19)
Hexavalent Cr has been identified as one of the toxic metals commonly present in industrial effluents. Among the treatment techniques developed for removing Cr(VI) from waste waters, sorption is most commonly applied, due to its simplicity and efficiency. However, few
Anupriya Veerman et al.
The Journal of chemical physics, 123(8), 084321-084321 (2005-09-17)
The structures, stabilities, thermodynamic quantities, dissociation energies, infrared spectra, and electronic properties of LiOH hydrated by up to seven water molecules are investigated by using the density-functional theory and the Møller-Plesset second-order perturbation theory (MP2). Further accurate analysis based on
Yuan Gee Lee et al.
Biosensors & bioelectronics, 20(1), 33-40 (2004-05-15)
Ionic liquids containing lithium methylsulfonyl group were prepared from the precursors poly(propylene glycol)-block-(ethylene glycol)-block-(propylene glycol)-bis(2-aminopropyl ether) with different molecular weight. These liquids revealed excellent electrical conductivity in the temperature range -25 to 85 degrees C. Also, they exhibited a high
Quang Duc Truong et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 20(49), 16210-16215 (2014-10-10)
Atomic-resolution imaging of the crystal defects of cathode materials is crucial to understand their formation and the correlation between the structure, electrical properties, and electrode performance in rechargeable batteries. The polytype, a stable form of varied crystal structure with uniform
William Norfleet et al.
Habitation (Elmsford, N.Y.), 9(1-2), 67-78 (2003-11-25)
Current guidance for survivors aboard a disabled submarine (DISSUB) recommends the use of the "stir-and-fan" method of carbon dioxide (CO2) scrubbing in which the contents of canisters of lithium hydroxide (LiOH) are dispersed onto horizontal surfaces. This technique is objectionable
Eagleson M.
Concise Encyclopedia Chemistry, 605-605 (1994)
Lithium Hydroxide-Catalyzed Conjugate Addition of β-Dicarbonyl Compounds.
Bonadies F, et al.
ChemInform, 26(23) (1995)
Kwang-Heon Kim et al.
Ultrasonics sonochemistry, 15(6), 1019-1025 (2008-05-09)
Nano-sized HT-LiCoO(2) powders were prepared by sonochemical synthesis in an aqueous solution of lithium hydroxide containing cobalt hydroxide at approximately 80 degrees C without any further heat treatment at high temperature. The effects of the LiOH concentration, oxidation conditions, ultrasound
Luca Pandolfini et al.
Molecular cell, 74(6), 1278-1290 (2019-04-30)
7-methylguanosine (m7G) is present at mRNA caps and at defined internal positions within tRNAs and rRNAs. However, its detection within low-abundance mRNAs and microRNAs (miRNAs) has been hampered by a lack of sensitive detection strategies. Here, we adapt a chemical
Ayorinde Awonusi et al.
Calcified tissue international, 81(1), 46-52 (2007-06-07)
A series of apatites with varying carbonate levels was prepared in order to assign the carbonate bands and calibrate for Raman analysis of natural materials. Overlap of carbonate bands with phosphate peaks was resolved by curve fitting. A peak at
Min Fan et al.
Carbohydrate research, 344(7), 944-947 (2009-03-31)
A solution of partially N-deacetylated chitosan in aqueous lithium hydroxide (LiOH)/urea was prepared successfully through a freeze-thawing process and the dissolution behavior was studied. The results indicated that chitosan can directly dissolve in LiOH/urea aqueous solution. LiOH mainly contributed to
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