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Showing 1-30 of 59 results for "463086" within Papers
Amanda S Mota et al.
Molecules (Basel, Switzerland), 20(5), 7925-7939 (2015-05-06)
Seed oil (Pp-oil) of Plukenetia polyadenia is used by native people of the Brazilian Amazon against arthritis and rheumatism, spreading it on the arms and legs to reduce the pain and inflammation. Pp-oil was obtained by pressing dried seeds at
Casey R Wade et al.
Chemical communications (Cambridge, England), 46(34), 6380-6381 (2010-08-07)
The presence of a proximal cationic group in zwitterionic aryltrifluoroborates such as o-(Ph(2)MeP)C(6)H(4)(BF(3)) stabilizes these compounds against hydrolysis.
Ramanathan Rajaganesh et al.
Carbohydrate research, 345(12), 1649-1657 (2010-06-29)
BF(3).Et(2)O-catalysed O-glycosylation of 1,2,3-tri-O-acetyl-4,6-O-butylidene- and ethylidene-beta-d-glucopyranose with different aliphatic and aromatic alcohols proceeds for the most part with complete retention of anomeric configuration. Antioxidant activity of O-glycosides shows significant inhibition (IC(50) approximately 77%). 1,3-Dipolar cycloaddition of terminal alkyne derivatives of
Bandna et al.
Natural product research, 23(15), 1445-1450 (2009-10-08)
Acylation of beta-caryophyllene, a sesquiterpene hydrocarbon with acetic anhydride, was carried out under mild catalytic conditions using Lewis acids such as BF3.Et2O, ZnCl2, FeCl3, I2 and AlCl3 as catalysts. Among these, BF3.Et2O was found to catalyse the reaction most efficiently
Chong-hao Bi et al.
Bioresource technology, 185, 185-193 (2015-03-17)
A novel process was developed for converting scum, a waste material from wastewater treatment facilities, to biodiesel. Scum is an oily waste that was skimmed from the surface of primary and secondary settling tanks in wastewater treatment plants. Currently scum
Joanna E Rode et al.
Chirality, 24(1), 5-16 (2011-12-06)
Stabilization energies of the electron donor-acceptor sulfinimineĀ·Ā·Ā·BF(3) complexes calculated at either the B3LYP/aug-cc-pVTZ or the MP2/aug-cc-pVTZ level do not allow to judge, whether the N- or O-atom in sulfinimine is stronger electron-donor to BF(3) . The problem seems to be
Joseph J Topczewski et al.
The Journal of organic chemistry, 74(18), 6965-6972 (2009-08-25)
The first total synthesis of (+)-schweinfurthin B, a potent and differentially active cytotoxic agent, has been accomplished. Completion of the synthesis required just 16 steps in the longest linear sequence from commercially available vanillin. Key synthetic transformations included a Shi
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
Nur Farhana Ahmad Sopian et al.
International journal of molecular sciences, 16(7), 15800-15810 (2015-07-18)
Dietary omega-3 fatty acids have been recognized to improve brain cognitive function. Deficiency leads to dysfunctional zinc metabolism associated with learning and memory impairment. The objective of this study is to explore the effect of short-term dietary omega-3 fatty acids
T Mizuno et al.
The Journal of chemical physics, 136(7), 074305-074305 (2012-03-01)
Recoil frame photoelectron angular distributions (RFPADs) of BF(3) molecules are presented over the energy region of the shape resonance in the F 1s continuum. Time-dependent density functional theory calculations are also given to understand the shape resonance dynamics. The RFPADs
Anna Polishchuk et al.
Bioresource technology, 193, 469-476 (2015-07-15)
The eicosapentaenoic acid (EPA) containing marine microalga Nannochloropsis oculata was grown in an effluent from anaerobic digestion of excess activated sludge from a wastewater treatment plant serving a combination of a pulp and a paper mill and a municipality (digester
Structural and electronic characterization of multi-electron reduced naphthalene (BIAN) cobaloximes.
Owen M Williams et al.
Dalton transactions (Cambridge, England : 2003), 44(29), 13017-13029 (2015-04-14)
Reported here are the syntheses and characterization of cobaloximes that feature a bis(imino)acenaphthene (BIAN) appended ligand. The X-ray crystal structures and spectroscopy ((1)H NMR or EPR) of the complexes within the series [Co(aqdBF2)2(MeCN)2] (), [Co(aqdBF2)(MeCN)2](-) () and [Co(aqdBF2)2(MeCN)2](2-) (, )
Ehsan Karimi et al.
Biological research, 48, 9-9 (2015-03-13)
The present study was conducted in order to evaluate the fatty acid profile, anti-oxidant and anti-bacterial activities from the microwave aqueous extract of the leaves of three different varieties of Labisia pumila Benth. The chemical analysis of the extract showed
Wenhe Zhong et al.
The Journal of organic chemistry, 76(24), 9997-10004 (2011-11-19)
Selective syn and anti diacetoxylations of alkenes have been achieved using a PhI(OAc)(2)/BF(3)Ā·OEt(2) system in the presence and absence of water, respectively. A broad range of substrates including electron-deficient alkenes (such as Ī±,Ī²-unsaturated esters) could be elaborated efficiently at room
Ryan M Bradley et al.
Biochimica et biophysica acta, 1851(12), 1566-1576 (2015-09-30)
The acylglycerophosphate acyltransferase/lysophosphatidic acid acyltransferase (AGPAT/LPAAT) family is a group of homologous acyl-CoA-dependent lysophospholipid acyltransferases. We performed studies to better understand the subcellular localization, activity, and in vivo function of AGPAT4/LPAATĪ“, which we found is expressed in multiple mouse brain
Yi-Da Wang et al.
Fish & shellfish immunology, 39(2), 223-230 (2014-05-09)
Marine fish are an important nutritional source for highly polyunsaturated fatty acids (PUFAs). PUFA biosynthesis requires the following key enzymes: delta-4 (Ī-4) desaturase, delta-5 (Ī-5) desaturase, delta-6 (Ī-6) desaturase, delta-5 (Ī-5) elongase, and delta-6 (Ī-6) elongase. The effect of overexpressing
Zahra Hadian et al.
Iranian journal of pharmaceutical research : IJPR, 13(2), 393-404 (2014-09-23)
Omega-3 fatty acids (FAs) have been shown to prevent cardiovascular disease. The most commonly used omega-3 fatty acids like eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are highly vulnerable to oxidation and therefore, have short shelf life. Recent advances in
Robert T Dauchy et al.
Cancer research, 74(15), 4099-4110 (2014-07-27)
Resistance to endocrine therapy is a major impediment to successful treatment of breast cancer. Preclinical and clinical evidence links resistance to antiestrogen drugs in breast cancer cells with the overexpression and/or activation of various pro-oncogenic tyrosine kinases. Disruption of circadian
The influence of the acidity of ionic liquids on catalysis.
Xinjiang Cui et al.
ChemSusChem, 3(9), 1043-1047 (2010-08-18)
Dinesh D Jayasena et al.
Poultry science, 94(8), 1964-1972 (2015-06-08)
The effects of bird age and the cooking process on the levels of several taste-active compounds, including inosine 5'-monophosphate (IMP), glutamic acid, cysteine, reducing sugars, as well as oleic, linoleic, arachidonic, and docosahexaenoic acids (DHA), in the breast and leg
Tomas Vanek et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 50(11), 1148-1159 (2015-07-21)
Performance of a two-stage biofiltration system was investigated for removal of styrene-acetone mixtures. High steady-state acetone loadings (above C(in)(Ac) = 0.5 g.m(-3) corresponding to the loadings > 34.5 g.m(-3).h(-1)) resulted in a significant inhibition of the system's performance in both
Linan Yang et al.
Journal of the American Society for Mass Spectrometry, 24(4), 563-572 (2013-03-21)
A negatively charged biradical intermediate was successfully generated in the gas phase via cyclization of the deprotonated bicyclo[8.3.0]trideca-12-ene-2,7-diyn-1-one precursor. The inherent negative charge of this biradical allows its characterization via collision-activated dissociation and reactions with a variety of neutral substrates
Karsten MĆ¼ller et al.
Journal of chromatography. A, 1260, 9-15 (2012-09-11)
A method for the ultra trace analysis of 21 fluorobenzoic acids (FBAs) via GC-MS based on solid-phase extraction (SPE) and derivatization with BF3Ā·MeOH is described. All fluorobenzoic acids were enriched and determined simultaneously. Solid-phase extraction on hydrophilic-lipophilic-balanced reversed-phase cartridges containing
Kazeem D Adeyemi et al.
Journal of animal science and biotechnology, 6, 51-51 (2015-12-05)
Improving the unsaturated fatty acid content of ruminant meat is essential due to the generally saturated nature of fatty acids in ruminant meat and the negative effects this can have on human health. Nonetheless, enhancing the unsaturated fatty acid content
G K Surya Prakash et al.
Organic letters, 13(15), 4128-4131 (2011-07-14)
The one-pot synthesis of 1,1,1-trifluoro- and 1,1-difluoro-2,2-diarylethanes from arenes and fluorinated hemiacetals in the BF(3)-H(2)O system is described. The reaction is simple, clean, and convenient, eliminating the use of organic solvents and other expensive acid systems. BF(3)-H(2)O is economic, is
Ahmad Makahleh et al.
Talanta, 81(1-2), 20-24 (2010-03-02)
A reversed-phase high-performance liquid chromatographic method with capacitively coupled contactless conductivity detector (C(4)D) has been developed for the separation and the simultaneous determination of five underivatized long chain fatty acids (FAs), namely myristic, palmitic, stearic, oleic, and linoleic acids. An
Khaoula Ramchani-Ben Othman et al.
PloS one, 10(6), e0128395-e0128395 (2015-06-05)
In the present study, we have evaluated one of the dietary supplements enriched with antioxidants and fish oil used in clinical care for patient with age-related macular degeneration. Rats were orally fed by a gastric canula daily with 0.2 ml
Nolan R Mente et al.
The Journal of organic chemistry, 73(20), 7963-7970 (2008-09-18)
The total synthesis of the natural stilbene (+)-schweinfurthin G (8) has been accomplished through a sequence based on an efficient cationic cascade cyclization. This cascade process is initiated by Lewis acid promoted ring opening of an epoxide and terminated through
Fabien Pifferi et al.
Journal of lipid research, 56(8), 1511-1518 (2015-06-13)
Decreased brain content of DHA, the most abundant long-chain n-3 polyunsaturated fatty acid (n-3 LCPUFA) in the brain, is accompanied by severe neurosensorial impairments linked to impaired neurotransmission and impaired brain glucose utilization. In the present study, we hypothesized that
Panayiotis V Ioannou et al.
Chemistry and physics of lipids, 163(1), 51-55 (2009-11-11)
The crucial step in the preparation of the title arsonolipids starting from the dichloromethane-soluble dithioarsonite CH(2)(OH)CH(OH)CH(2)-As(SPh)(2) is to avoid an internal cyclization during the acylation which protects the primary -OH group from being acylated. This was to a large extent
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