342793

应用筛选条件

关键词:'342793'

显示 31-55 共 55 条结果关于 "342793" 范围论文

Evaluation of enantiomeric purity of magnesium-L-aspartate dihydrate.

Oliver Wahl et al.

Journal of pharmaceutical and biomedical analysis, 102, 100-109 (2014-09-30)

Magnesium supplementation in form of organic magnesium salts is a very popular practice. We examined the enantiomeric purity of "Magnesium aspartate dihydrate" monographed in the European Pharmacopeia. A chiral capillary zone electrophoresis using (2-hydroxypropyl)-β-cyclodextrin coupled to laser induced fluorescence detection

Decrease in ciprofloxacin absorption by polyvalent metal cations is not fully attributable to chelation or adsorption.

Ayuko Imaoka et al.

Drug metabolism and pharmacokinetics, 29(5), 414-418 (2014-05-09)

The drug interaction between new quinolone antibiotics (NQs) and polyvalent metal cation products, leading to a significant decrease in the absorption of NQ, is considered to be attributable to the formation of poorly absorbable chelate and physicochemical adsorption of NQs

Transverse spin Seebeck effect versus anomalous and planar Nernst effects in Permalloy thin films.

M Schmid et al.

Physical review letters, 111(18), 187201-187201 (2013-11-19)

Transverse magnetothermoelectric effects are studied in Permalloy thin films grown on MgO and GaAs substrates and compared to those grown on suspended SiN(x) membranes. The transverse voltage along platinum strips patterned on top of the Permalloy films is measured versus

Isotope concentrations from 24-h urine and 3-h serum samples can be used to measure intestinal magnesium absorption in postmenopausal women.

Karen E Hansen et al.

The Journal of nutrition, 144(4), 533-537 (2014-02-07)

Studies suggest a link between magnesium status and osteoporosis. One barrier to more conclusive research on the potential relation is measuring intestinal magnesium absorption (MgA), which requires the use of stable isotopes and a ≥6-d stool or 3-d urine collection.

Hydrogenation of quinolines, alkenes, and biodiesel by palladium nanoparticles supported on magnesium oxide.

Reena Rahi et al.

Dalton transactions (Cambridge, England : 2003), 41(48), 14490-14497 (2012-10-18)

A new catalyst composed of Pd nanoparticles supported on MgO has been prepared by the room temperature NaBH(4) reduction of Na(2)PdCl(4) in methanol in the presence of the support. TEM measurements reveal well-dispersed Pd particles of mean diameter 1.7 nm

Using cathodoluminescence spectroscopy of cretaceous calcareous microfossils to distinguish biogenic from early-diagenetic calcite.

Jens E Wendler et al.

Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada, 18(6), 1313-1321 (2012-11-21)

A comparative cathodoluminescence (CL) spectroscopic study of extraordinarily well-preserved versus diagenetically altered Turonian (∼92 Ma before present) calcitic and aragonitic microfossils was performed to document the cathodoluminescence characteristics of two common Cretaceous carbonate producers, foraminifera and calcareous dinoflagellates. Unaltered specimens

Synthesis of mixed ceramic Mg(x)Zn(1-x)O nanofibers via Mg2+ doping using sol-gel electrospinning.

Yakup Aykut et al.

Langmuir : the ACS journal of surfaces and colloids, 29(12), 4159-4166 (2013-03-07)

We report on the synthesis of tuned energy band gap Mg(x)Zn(1-x)O nanofibers (NFs) with different Mg(2+) content via the sol-gel electrospinning (ES) technique wherein the addition of the doping material affects not only the morphologies of as-spun ZnAc/PVA and MgAc/ZnAc/PVA

Magnesium oxide-catalysed reaction of carbon dioxide with an epoxide with retention of stereochemistry.

Yano T, et al.

Chemical Communications (Cambridge, England), 12, 1129-1130 (1997)

KF-loaded mesoporous Mg-Fe bi-metal oxides: high performance transesterification catalysts for biodiesel production.

Guiju Tao et al.

Chemical communications (Cambridge, England), 49(73), 8006-8008 (2013-08-02)

Using newly developed mesoporous Mg-Fe bi-metal oxides as supports, a novel kind of high performance transesterification catalysts for biodiesel production has been synthesized. More importantly, the impregnation solvent was for the first time found to substantially affect the structures and

First-principles prediction of new photocatalyst materials with visible-light absorption and improved charge separation: surface modification of rutile TiO₂ with nanoclusters of MgO and Ga₂O₃.

Michael Nolan

ACS applied materials & interfaces, 4(11), 5863-5871 (2012-10-16)

Titanium dioxide is an important and widely studied photocatalytic material, but to achieve photocatalytic activity under visible-light absorption, it needs to have a narrower band gap and reduced charge carrier recombination. First-principles simulations are presented in this paper to show

Electro-physical properties of composites with nano-sized oxides.

Sang Heon Lee et al.

Journal of nanoscience and nanotechnology, 13(11), 7610-7614 (2013-11-20)

Polymer matrix nano-sized oxide composites were fabricated by using a modified injection molding in which nano-sized silicon oxide and nano-sized magnesium oxide were contained. Thermal decomposition and evaporation of organic resin depended on the composition of the composites. Nano-sized oxides

Generation of basic centers in high-silica zeolites and their application in gas-phase upgrading of bio-oil.

Tobias C Keller et al.

ChemSusChem, 7(6), 1729-1738 (2014-04-24)

High-silica zeolites have been reported recently as efficient catalysts for liquid- and gas-phase condensation reactions because of the presence of a complementary source of basicity compared to Al-rich basic zeolites. Herein, we describe the controlled generation of these active sites

Stabilisation of amorphous ibuprofen in Upsalite, a mesoporous magnesium carbonate, as an approach to increasing the aqueous solubility of poorly soluble drugs.

Peng Zhang et al.

International journal of pharmaceutics, 472(1-2), 185-191 (2014-06-21)

One attractive approach to increase the aqueous solubility and thus the bioavailability of poorly soluble drugs is to formulate them in their amorphous state since amorphous compounds generally exhibit higher apparent solubilities than their crystalline counterparts. In the current work

Sustain and address discharge characteristics of AC-PDP with MgO surface coated by MgO nano crystal powders.

J H Kim et al.

Journal of nanoscience and nanotechnology, 13(5), 3270-3275 (2013-07-19)

This paper examined the sustain and address discharge characteristics of ac-PDPs with MgO surface coated by MgO nano crystal powders. The MgO nano crystal powder was deposited by about 5% on the MgO surface by using the spray method. To

Characterization of changes of lignin structure in the processes of cooking with solid alkali and different active oxygen.

Qiulin Yang et al.

Bioresource technology, 123, 49-54 (2012-09-04)

The cooking with solid alkali and active oxygen has a high selectivity for delignification. In the present work, the O(2) and H(2)O(2) were separately combined with MgO used in cornstalk cooking for investigating their effects on delignification. After cooking, the

Nano-based antileishmanial agents: a toxicological study on nanoparticles for future treatment of cutaneous leishmaniasis.

Ali Jebali et al.

Toxicology in vitro : an international journal published in association with BIBRA, 27(6), 1896-1904 (2013-06-29)

Cutaneous leishmaniasis (CL) is endemic in the tropical and subtropical countries. Antileishmanial drugs that are traditionally used for treatment of CL are mainly toxic, ineffective for some parasite isolates, and mostly expensive. Previous studies showed that some metal and metal

Atomic scale characterization of interfacial water near an oxide surface using molecular dynamics simulations.

Sanket A Deshmukh et al.

Physical chemistry chemical physics : PCCP, 14(44), 15593-15605 (2012-10-19)

Atomic scale characterization of the structure and dynamics of confined water molecules located near the metal oxide-aqueous interface is carried out using molecular dynamics simulations. Proximity effects on water molecules (H(2)O) near a magnesium oxide surface (MgO(100)) at room temperature

Efficient enzymatic hydrolysis of the bagasse pulp prepared with active oxygen and MgO-based solid alkali.

Tujun Xie et al.

Carbohydrate polymers, 94(2), 807-813 (2013-04-03)

The enzymatic hydrolysis of the bagasse pulp prepared from the treatment process with active oxygen and MgO-based solid alkali was studied. The hydrolysates were tested by IC (ionic chromatography) for the analysis of monosaccharide. Additionally, the changes of pulp before

Reply to MM Joosten et al.

Nicola Veronese et al.

The American journal of clinical nutrition, 101(1), 241-241 (2014-12-21)

The structural changes of the bagasse hemicelluloses during the cooking process involving active oxygen and solid alkali.

Jian-Bin Shi et al.

Carbohydrate research, 359, 65-69 (2012-08-29)

This work describes the structural changes of bagasse hemicelluloses during the cooking process involving active oxygen (O(2) and H(2)O(2)) and solid alkali (MgO). The hemicelluloses obtained from the bagasse raw material, pulp, and yellow liquor were analyzed by high-performance anion-exchange

Surface properties of calcium and magnesium oxide nanopowders grafted with unsaturated carboxylic acids studied with inverse gas chromatography.

Magdalena Maciejewska et al.

Journal of chromatography. A, 1257, 141-148 (2012-08-22)

Inverse gas chromatography (IGC) was applied at infinite dilution to evaluate the surface properties of calcium and magnesium oxide nanoparticles and the effect of surface grafted unsaturated carboxylic acid on the nanopowder donor-acceptor characteristics. The dispersive components (γ(s)(D)) of the

Effects of 14 frequently used drugs on prostate-specific antigen expression in prostate cancer LNCaP cells.

Kazuhiro Iguchi et al.

Oncology letters, 7(5), 1665-1668 (2014-04-26)

Prostate cancer occurs more frequently among older males and such elderly individuals often have chronic underlying disorders for which various drugs are administered for treatment. The levels of prostate-specific antigen (PSA), a widely used prostate cancer marker, are influenced by

Eagleson M.

Concise Encyclopedia Chemistry, 495-495 (1994)

Acid mine drainage in the Iberian Pyrite Belt: 2. Lessons learned from recent passive remediation experiences.

Carlos Ayora et al.

Environmental science and pollution research international, 20(11), 7837-7853 (2013-03-20)

The Iberian Pyrite Belt (IPB), SW Spain and Portugal, contains about 100 abandoned mine wastes and galleries that release acid mine drainages (AMD) to the Tinto and Odiel rivers. In situ passive remediation technologies are especially suitable to remediate the

Evaluation of mechanical properties of five cements for orthodontic band cementation.

Diego Andrei Aguiar et al.

Brazilian oral research, 27(2), 136-141 (2013-03-06)

The aim of this in vitro study was to compare the flexural, compressive and diametral tensile strengths of five cements used in orthodontics for band cementation. Twelve specimens of each cement were tested: 1 - GC Fuji Ortho Band (FJ)

2/2