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显示 1-30 共 104 条结果 关于 "209619" 范围 论文
Ana S Mestre et al.
Bioresource technology, 102(17), 8253-8260 (2011-07-05)
Sisal waste was used as precursor to prepare carbons by chemical activation. The influence of the K(2)CO(3) amount and activation temperature on the materials textural properties were studied through N(2) and CO(2) adsorption assays. As the severity of the treatment
Ved Vati Singh et al.
Dalton transactions (Cambridge, England : 2003), 44(2), 725-732 (2014-11-20)
The metastable tetragonal Cu2Se phase as nanoflakes has been synthesized for the first time by treating CuCl2 taken in a mixture (1:1) of 1-octadecene and oleylamine with H2N-(CH2)3-SePh dissolved in 1-octadecene. Powder X-ray diffraction (PXRD), HRTEM, SEM-EDX and XPS have
Jacek Wójcikowski et al.
Biochemical pharmacology, 90(2), 188-195 (2014-05-21)
The aim of the present study was to identify cytochrome P450 isoenzymes (CYPs) involved in the 5-sulfoxidation and N-demethylation of the aliphatic-type phenothiazine neuroleptic levomepromazine in human liver. Experiments were performed in vitro using cDNA-expressed human CYP isoforms (Supersomes 1A2
Ellen Dirkx et al.
Journal of molecular and cellular cardiology, 76, 208-217 (2014-09-01)
In the insulin resistant heart, energy fuel selection shifts away from glucose utilization towards almost complete dependence on long-chain fatty acids (LCFA). This shift results in excessive cardiac lipid accumulation and eventually heart failure. Lipid-induced cardiomyopathy may be averted by
Andrea M Binnebose et al.
PLoS neglected tropical diseases, 9(10), e0004173-e0004173 (2015-10-27)
Filarial diseases represent a significant social and economic burden to over 120 million people worldwide and are caused by endoparasites that require the presence of symbiotic bacteria of the genus Wolbachia for fertility and viability of the host parasite. Targeting
Michael L Granda et al.
American journal of physiology. Renal physiology, 307(1), F116-F121 (2014-05-09)
The intrarenal dopamine system is important for signaling and natriuresis, and significant dysfunction is associated with hypertension and kidney disease in ex vivo studies. Dopamine receptors also modulate and are modulated by the renin-angiotensin-aldosterone system. Here, we show the first
Olivier Barret et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 56(4), 586-591 (2015-02-24)
PET with selective adenosine 2A receptor (A2A) radiotracers can be used to study a variety of neurodegenerative and neuropsychiatric disorders in vivo and to support drug-discovery studies targeting A2A. The aim of this study was to describe the first in
Sufang Wang et al.
Biochemical pharmacology, 92(3), 506-516 (2014-09-30)
Organophosphate esters (OPEs), a major group of organophosphorus flame retardants, are regarded as emerging environmental contaminants of health concern. Amino acid decarboxylases catalyze the conversion of amino acids into polyamines that are essential for cell proliferation, hypertrophy and tissue growth.
Shigeo Hayashi et al.
Journal of enzyme inhibition and medicinal chemistry, 29(6), 846-867 (2014-02-13)
Because of the pivotal role of cyclooxygenase (COX) in the inflammatory processes, non-steroidal anti-inflammatory drugs (NSAIDs) that suppress COX activities have been used clinically for the treatment of inflammatory diseases/syndromes; however, traditional NSAIDs exhibit serious side-effects such as gastrointestinal damage
Chelating N-heterocyclic carbene ligands in palladium-catalyzed Heck-type reactions.
Herrmann WA, et al.
Journal of Organometallic Chemistry, 557(1), 93-96 (1998)
K Y Foo et al.
Bioresource technology, 102(20), 9794-9799 (2011-08-31)
Sunflower seed oil residue, a by-product of sunflower seed oil refining, was utilized as a feedstock for preparation of activated carbon (SSHAC) via microwave induced K(2)CO(3) chemical activation. SSHAC was characterized by Fourier transform infrared spectroscopy, nitrogen adsorption-desorption and elemental
Vadim Bernard-Gauthier et al.
ACS chemical neuroscience, 6(2), 260-276 (2014-10-29)
Tropomyosin receptor kinases (TrkA/B/C) are critically involved in the development of the nervous system, in neurological disorders as well as in multiple neoplasms of both neural and non-neural origins. The development of Trk radiopharmaceuticals would offer unique opportunities toward a
Joseph T Morott et al.
Journal of pharmaceutical sciences, 104(1), 124-134 (2014-11-21)
The primary aim of this research was to produce successfully taste masked formulations of Sildenafil Citrate (SC) using hot-melt extrusion (HME) technology. Multiple screw configurations and polymeric carriers were evaluated for their effects on taste masking efficiency, which was assessed
Panpan Yan et al.
The Analyst, 139(17), 4365-4372 (2014-07-12)
This study reports the development of an electrochemiluminescent (ECL) immunosensor for ultrasensitive detection of phenylethanolamine A (PA) based on CdSe quantum dots (QDs) and gold nanoparticles (GNPs). The GNPs/ovalbumin-PA/anti-PA-QD immunosensor was fabricated layer by layer using GNPs as substrates and
Rosaria Cozzolino et al.
Analytical and bioanalytical chemistry, 406(19), 4649-4662 (2014-05-16)
Autism spectrum disorders (ASDs) are a group of neurodevelopmental disorders which have a severe life-long effect on behavior and social functioning, and which are associated with metabolic abnormalities. Their diagnosis is on the basis of behavioral and developmental signs usually
Transition-metal-free intramolecular Ullmann-type O-arylation: synthesis of chromone derivatives.
Jie Zhao et al.
Angewandte Chemie (International ed. in English), 50(16), 3769-3773 (2011-03-19)
Synthesis, kinetic observations and characteristics of polyarylene ether sulphones prepared via a potassium carbonate DMAC process.
Viswanathan R, et al.
Polymer, 25(12), 1827-1836 (1984)
Cheol-Woo Ahn et al.
Scientific reports, 5, 17656-17656 (2015-12-04)
In this manuscript, an interesting phenomenon is reported. That is the self-growth of single crystals in Pb-free piezoelectric ceramics. These crystals are several centimeters in size. They are grown without any seed addition through a normal sintering process in modified
Shijuan Zhang et al.
Talanta, 98, 95-100 (2012-09-04)
A new labeling reagent for fatty acids, 1-(9H-carbazol-9-yl) propan-2-yl-methanesulfonate (CPMS), has been synthesized and successfully applied to the HPLC determination of fatty acids in traditional Chinese herb Notopterygium forbesii Boiss. The reaction of CPMS with fatty acids could proceed easily
Víctor Sebastian et al.
Nanoscale, 6(21), 13228-13235 (2014-09-27)
Compared to freestanding nanoparticles, supported nanostructures typically show better mechanical stability as well as ease of handling. Unique shapes such as core-shells, raspberries and crescents have been developed on supported materials to gain improved chemical and optical properties along with
Hong Xiao et al.
Bioresource technology, 111, 127-133 (2012-03-09)
Preparation of activated carbon from the edible fungi residue (EFR) by microwave assisted K(2)CO(3) activation was studied. The optimum preparation conditions were as follows: radiation time of 16 min, K(2)CO(3)/EFR ratio of 0.8 and microwave power of 520 W. The
Anna W Sromek et al.
Journal of labelled compounds & radiopharmaceuticals, 57(14), 725-729 (2014-11-18)
Aporphines are attractive candidates for imaging D2 receptor function because, as agonists rather than antagonists, they are selective for the receptor in the high affinity state. In contrast, D2 antagonists do not distinguish between the high and low affinity states
Dong-Yun Gui et al.
ChemSusChem, 4(10), 1470-1474 (2011-10-14)
Lead-free (1-x)Ba(Zr₀.₁₅Ti₀.₈₅)O₃-x(K₀.₅Na₀.₅)NbO₃ ; x=0-0.05) (BZT-KNN) perovskite ceramics, a materials with potential applications for energy storage, are investigated. The samples are prepared by a solid-state reaction method. Powder X-ray diffraction (XRD) and scanning electron microscopy (SEM) are used to study the
Mir Ali Farajzadeh et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 983-984, 55-61 (2015-01-27)
The present work is based on a one-step method including derivatization and solid-based disperser liquid-liquid microextraction followed by gas chromatography-flame ionization detection (GC-FID) for the determination of four antidepressants (fluoxetine, fluvoxamine, tranylcypromine, and nortriptyline) and an antiarrhythmic agent (mexiletine) in
Robert Möckel et al.
Organic letters, 17(7), 1644-1647 (2015-03-21)
The cobalt-catalyzed Diels-Alder reaction of trimethylsilyl-substituted alkynes with 1,3-dienes led to dihydroaromatic intermediates which were transformed into iodobenzene derivatives. For this transformation, the dihydroaromatic intermediates had to be oxidized and the trimethylsilyl-substituted arene had to undergo a silicon-iodine exchange reaction.
E T Wefring et al.
Physical chemistry chemical physics : PCCP, 17(14), 9420-9428 (2015-03-15)
Ferroelectric BiFeO3 has attractive properties such as high strain and polarization, but a wide range of applications of bulk BiFeO3 are hindered due to high leakage currents and a high coercive electric field. Here, we report on the thermal behaviour
Nagappanpillai Adarsh et al.
Analytical chemistry, 86(18), 9335-9342 (2014-08-26)
With an objective to develop optical probes for biologically important anions and neutral molecules, we synthesized three novel NIR absorbing aza-BODIPY derivatives, 3a-3c, and have systematically tuned their photophysical properties by changing the peripheral substitution. A profound red-shift was observed
Olivier Barret et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 55(10), 1712-1718 (2014-08-02)
Motor symptoms in Parkinson disease (PD) are caused by a loss of dopamine input from the substantia nigra to the striatum. Blockade of adenosine 2A (A(2A)) receptors facilitates dopamine D(2) receptor function. In phase 2 clinical trials, A(2A) antagonists (istradefylline
Yusuke Yagi et al.
Organic & biomolecular chemistry, 13(4), 1113-1121 (2014-11-26)
Fluorine-18 labeled radiotracers, such as [(18)F]fluorodeoxyglucose, can be used as practical diagnostic agents in positron emission tomography (PET). Furthermore, the properties of pharmaceuticals can be enhanced significantly by the introduction of fluorine groups into their original structures, and significant progress
Concha Bosch-Navarro et al.
Physical chemistry chemical physics : PCCP, 17(44), 29628-29636 (2015-10-20)
The electrochemical activity of graphene is of fundamental importance to applications from energy storage to sensing, but has proved difficult to unambiguously determine due to the challenges innate to fabricating well defined graphene electrodes free from contamination. Here, we report
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