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T84409

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Kin-Cheung Chan et al.
Dalton transactions (Cambridge, England : 2003), 44(34), 15135-15144 (2015-05-06)
A new series of cyclometalated iridium(III) complexes with isocyanoborate ligands [Ir(R2ppy)2(L)(CNBR'3)] (R = H or F; L = CNC6H4Cl-4 or PPh3; R' = Ph, C6F5 or C6H4Cl-4), [Ir(biqb)(ppy)(CNBR''3)] (R'' = C6F5 or C6H4Cl-4) and {Ir(ppy)2(CN)n[CNB(C6F5)3]2-n}(-) (n = 0 or 1)...
Kristel Kodar et al.
Chembiochem : a European journal of chemical biology, 16(4), 683-693 (2015-02-04)
Trehalose glycolipids play an important role in the pathogenesis of Mycobacterium tuberculosis and are used as adjuvants for vaccines; however, much still remains unanswered about the mechanisms through which these glycolipids exert their immunomodulatory potential. Recently, the macrophage-inducible C-type lectin...
Selective hydroformylation of polyunsaturated fats with a rhodium-triphenylphosphine catalyst.
Frankel EN and Thomas FL.
Journal of the American Oil Chemists' Society, 49(1), 10-14 (1972)
Hui Yang et al.
Toxicology letters, 230(1), 10-18 (2014-08-08)
Gold nanoparticles (GNPs) have considerable applications in biomedicine, such as in bio-sensing, bio-imaging, drug delivery and photothermal therapeutics. However, currently there are limited information regarding the impact of pregnancy on their biodistribution, elimination and toxicity. In this study, we investigated...
Jagannath Bhuyan et al.
Chemistry, an Asian journal, 7(11), 2690-2695 (2012-08-29)
Two iron-nitrosyl-porphyrins, nitrosyl[meso-tetrakis(3,4,5-trimethoxyphenylporphyrin]iron(II) acetic acid solvate (3) and nitrosyl[meso-tetrakis(4-methoxyphenylporphyrin]iron(II) CH(2)Cl(2) solvate (4), were synthesized in quantitative yield by using a modified procedure with nitrous acid, followed by oxygen-atom abstraction by triphenylphosphine under an argon atmosphere. These nitrosyl porphyrins are in...
Minami Nishikiori et al.
Journal of chromatographic science, 53(4), 537-541 (2014-07-19)
It has been suggested that serum concentrations of polyunsaturated essential fatty acids correlate with the symptoms or severity of various diseases, including depression and Alzheimer-type dementia, and that determination of serum fatty acids might be important for disease diagnosis. Thus...
Seyed Mohammad Davachi et al.
Materials science & engineering. C, Materials for biological applications, 58, 294-309 (2015-10-20)
In this study, the encapsulated triclosan with a low molecular weight PLLA (LATC30) is dispersed into a PLLA having higher molecular weight via melt blending to increase the overall properties and particularly antibacterial activity of the system. The proposed method...
Bing-Feng Zhang et al.
Biomaterials, 61, 178-189 (2015-05-26)
The mitochondria-mediated apoptosis pathway is an effective option for cancer therapy due to the presence of cell-suicide weapons in mitochondria. However, anti-apoptotic proteins that are over-expressed in the mitochondria of many malignant tumors, such as Bcl-2 protein, could allow the...
Jizhi Lin et al.
Nanoscale, 7(32), 13663-13670 (2015-07-28)
We report the controlled synthesis of [Au25(PPh3)10(SR1)5X2](2+) nanorods (H-SR1: alkyl thiol, H-SC2H4Ph and H-S(n-C6H13)) and Au25(SR2)18 nanospheres (H-SR2: aromatic thiol, H-SPh and H-SNap) under the one-phase thiol etching reaction of the polydisperse Aun(PPh3)m parent-particles (core diameter: 1.3 ± 0.4 nm...
Kirill Nikitin et al.
Chemical communications (Cambridge, England), 49(14), 1434-1436 (2013-01-17)
Triphenylhalophosphonium halides, Ph(3)PX(2), form crystals comprising bridged linear cations [Ph(3)P-X-X-X-PPh(3)](+) where the X(3) bridge is shortened from 6.56 Å in Cl-Cl-Cl to 6.37 Å in the Br-Br-Br system. It is proposed that this structure is stabilised by five-centre/six-electron (5c-6e) hypervalent...
Heng Wang et al.
Chirality, 27(8), 523-531 (2015-04-25)
A novel pyridineoxazoline (PyOx) containing helical polymer, poly{(-)-(S)-4-tert-butyl-2-[5-(4-tert-butylphenyl)-3-vinylpyridin-2-yl]-oxazoline} (PA), was designed and synthesized to approach the effect of chain conformation on the catalytic property. Its complex with Cu(OTf)(2) , i.e., Cu(II)-PA, was employed to catalyze the homogeneous Diels-Alder (D-A) reaction...
Michael J Ardolino et al.
Tetrahedron, 71(37), 6409-6413 (2015-08-19)
While Pd-catalyzed allyl-allyl cross-couplings in the presence of small-bite-angle bidentate ligands reliably furnish the branched regioisomer with high levels of selectivity, cross-couplings in the presence of large-bite-angle bidentate ligands give varying, often unpredictable, levels of selectivity. In a combined computational...
Patrick O Helmer et al.
Rapid communications in mass spectrometry : RCM, 34(1), e8566-e8566 (2019-08-31)
Cardiolipins (CL) are a special lipid class which plays a main role in energy metabolism in mitochondria and is involved in apoptosis. In contrast to other glycerophospholipids, they contain four fatty acyl residues which results in a high structural diversity....
Sheng Li et al.
Nitric oxide : biology and chemistry, 26(1), 20-26 (2011-11-22)
Regulation of protein function by S-nitrosation of critical cysteines is known to be an important mechanism for nitric oxide signaling. Evidence for this comes from several different experimental approaches including the ascorbate-based biotin switch method. However technical problems with specificity...
Thomas Keller et al.
Journal of biophotonics, 13(6), e201960126-e201960126 (2020-01-21)
The characteristic vibrational spectroscopic fingerprint of Raman reporter molecules adsorbed on noble metal nanoparticles is employed for the identification of target proteins by the corresponding surface-enhanced Raman scattering (SERS) nanotag-labeled antibodies. Here, we present the modular synthesis of thiolated polyenes...
R Prabhakaran et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 78(2), 844-853 (2011-01-11)
A new series of new hetero-bimetallic complexes containing iron and ruthenium of the general formula [RuCl(CO)(B)(EPh3)(L)] (where E=P or As; B=PPh3, AsPh3, py or pip; L=ferrocene derived monobasic bidentate thiosemicarbazone ligand) have been synthesized by the reaction between ferrocene-derived thiosemicarbazones...
Ary R Murad et al.
Polymers, 13(1) (2020-12-31)
Two novel low band gap donor-acceptor (D-A) copolymers, poly[9,10-bis(4-(dodecyloxy)phenyl)-2,6-anthracene-alt-5,5-(4',7'-bis(2-thienyl)-2',1',3'-benzothiadiazole-N-5,6-(3,7-dimethyloctyl)dicarboxylic imide)] (PPADTBTDI-DMO) and poly[9,10-bis(4-(dodecyloxy)phenyl)-2,6-anthracene-alt-5,5-(4',7'-bis(2-thienyl)-2',1',3'-benzothiadiazole-5,6-N-octyl-dicarboxylic imide)] (PPADTBTDI-8) were synthesized in the present work by copolymerising the bis-boronate ester of 9,10-phenylsubstituted anthracene flanked by thienyl groups as electron-donor units with benzothiadiazole dicarboxylic imide...
Rossana Canavesi et al.
Journal of pharmaceutical and biomedical analysis, 97, 141-150 (2014-05-28)
Pantethine (d-bis-(N-pantothenyl-β-aminoethyl)-disulfide, PAN), the stable disulfide form of pantetheine, has beneficial effects in vascular diseases being able to decrease the hyperlipidaemia, moderate the platelet function and prevent the lipid peroxidation. Furthermore, recent studies suggested that PAN may be an effective...
M P Bubnov et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 209(2), 149-155 (2011-02-11)
The number of dicarbonyl-o-semiquinonato (o-iminosemiquinonato) rhodium complexes was isolated and characterized. Some reactions of these compounds with tertiary phosphines (substitution, addition) were studied by EPR in solution using o-semiquinones (o-iminosemiquinones) as spin labels.
Wenhua Ji et al.
Journal of chromatography. A, 1368, 44-51 (2014-12-03)
Dummy molecularly imprinted polymers (DMIPs) for simultaneously selective removal and enrichment of ginkgolic acids (GAs) during the processing of Ginkgo biloba leaves have been prepared. Two dummy template molecule with similar structural skeleton to GAs, 6-methoxysalicylic acid (MOSA, DT-1) and...
Esben P K Olsen et al.
Journal of the American Chemical Society, 137(2), 834-842 (2014-12-30)
The mechanism for the iridium-BINAP catalyzed dehydrogenative decarbonylation of primary alcohols with the liberation of molecular hydrogen and carbon monoxide was studied experimentally and computationally. The reaction takes place by tandem catalysis through two catalytic cycles involving dehydrogenation of the...
New complexes of ruthenium (II) and (III) with triphenylphosphine, triphenylarsine, trichlorostannate, pyridine and other ligands.
Stephenson TA and Wilkinson G.
J. Inorg. Nucl. Chem., 28(4), 945-956 (1966)
Tong Wang et al.
Organic & biomolecular chemistry, 9(14), 5260-5265 (2011-06-02)
The triphenylphosphine-catalyzed formal [3 + 2] cycloaddition of allenoates and trifluoromethylketones was realized to give the corresponding dihydrofurans in good yields with excellent γ-regioselectivities. Hydrogenation of the dihydrofurans gave 2,4,4-trisubstituted tetrahydrofurans in good yields with exclusive cis-selectivities.
Yoshiro Saito et al.
Journal of lipid research, 56(11), 2172-2182 (2015-09-29)
Selenocysteine (Sec) insertion sequence-binding protein 2 (SBP2) is essential for the biosynthesis of Sec-containing proteins, termed selenoproteins. Subjects with mutations in the SBP2 gene have decreased levels of several selenoproteins, resulting in a complex phenotype. Selenoproteins play a significant role...
Wei Liu et al.
Free radical biology & medicine, 47(8), 1101-1107 (2009-08-04)
Free radical-induced lipid peroxidation has been implicated in a number of human diseases including atherosclerosis, cancer, and neurodegenerative diseases. F(2)-Isoprostanes (IsoPs) are isomers of prostaglandin PGF(2alpha) that are generated in vivo from the free radical-initiated peroxidation of arachidonic acid independent...
Andrea Leonardi et al.
Epigenetics, 15(10), 1121-1138 (2020-04-19)
The epitranscriptomic writer Alkylation Repair Homolog 8 (ALKBH8) is a transfer RNA (tRNA) methyltransferase that modifies the wobble uridine of selenocysteine tRNA to promote the specialized translation of selenoproteins. Using Alkbh8 deficient (Alkbh8def) mice, we have investigated the importance of...
Huitong Wang et al.
The Analyst, 140(13), 4694-4701 (2015-05-07)
The comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometry (GC × GC/TOFMS) has been used to characterize a crude oil and a source rock extract sample. During the process, a series of pairwise components between monocyclic alkanes and mono-aromatics have been discovered....
Radka Křikavová et al.
PloS one, 9(9), e107373-e107373 (2014-09-17)
A series of gold(I) complexes involving triphenylphosphine (PPh3) and one N-donor ligand derived from deprotonated mono- or disubstituted hypoxanthine (HLn) of the general composition [Au(Ln)(PPh3)] (1-9) is reported. The complexes were thoroughly characterized, including multinuclear high resolution NMR spectroscopy as...
Yong Ma et al.
Langmuir : the ACS journal of surfaces and colloids, 27(21), 13097-13103 (2011-09-21)
Chemically selective liposomal surface functionalization and liposomal microarray fabrication using azide-reactive liposomes are described. First, liposome carrying PEG-triphenylphosphine was prepared for Staudinger ligation with azide-containing biotin, which was conducted in PBS buffer (pH 7.4) at room temperature without a catalyst....
Vadim Lankin et al.
Molecular and cellular biochemistry, 395(1-2), 241-252 (2014-07-06)
It was found that glucose in the range of concentrations 12.5-100 mM stimulated Cu(2+)-mediated free radical peroxidation of low-density lipoproteins (LDL) from human blood plasma. Considering the kinetic parameters of LDL peroxidation we proposed that intensification of this process may be...
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