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Showing 1-30 of 174 results for "87921" within Papers
Sullim Lee et al.
Natural product communications, 10(7), 1153-1158 (2015-09-29)
In the course of our search for anticancer agents based on a novel anti-austerity strategy, we found that the 70% EtOH extract of the crude drug Andrographis Herba (aerial parts of Andrographis paniculata), used in Japanese Kampo medicines, killed PANC-1
Shi-Ben Wang et al.
European journal of medicinal chemistry, 84, 574-583 (2014-07-26)
A series of new purines containing triazole and other heterocycle substituents was synthesized and evaluated for their preliminary anticonvulsant activity and neurotoxicity by using the maximal electroshock (MES), subcutaneous pentylenetetrazole (scPTZ) and rotarod neurotoxicity (TOX) tests. Among the compounds studied
Anita Cohen et al.
European journal of medicinal chemistry, 95, 16-28 (2015-03-21)
A preliminary in vitro screening of compounds belonging to various chemical families from our library revealed the thieno[3,2-d]pyrimidin-4(3H)-one scaffold displayed a promising profile against Plasmodium falciparum. Then, 120 new derivatives were synthesized and evaluated in vitro; compared to drug references, 40 showed
Yu Zhang et al.
Bioorganic & medicinal chemistry, 23(15), 4815-4823 (2015-06-18)
Pyruvate kinase M2 (PKM2) is a key protein responsible for cancer's Warburg effect. Activation of PKM2 may alter aberrant metabolism in cancer cells, which suggests PKM2 as a tumor selective therapeutic target. In this paper, the lead compound 8 was
High-temperature chemical vapor deposition for SiC single crystal bulk growth using tetramethylsilane as a precursor.
Nam DH, et al.
Crystal Growth & Design, 14(11), 5569-5574 (2014)
Monica Olivella et al.
Archiv der Pharmazie, 348(1), 68-80 (2014-11-22)
New nitrosopyrimidines were synthesized and evaluated as potential antibacterial agents. Different compounds structurally related with 4,6-bis(alkyl or arylamino)-5-nitrosopyrimidines were evaluated. Some of these nitrosopyrimidines displayed significant antibacterial activity against human pathogenic bacteria. Among them compounds 1c, 2a-c, and 9a-c exhibited
Esther Tejeda-Montes et al.
Biomaterials, 35(29), 8339-8347 (2014-07-06)
The search for alternative therapies to improve bone regeneration continues to be a major challenge for the medical community. Here we report on the enhanced mineralization, osteogenesis, and in vivo bone regeneration properties of a bioactive elastin-like recombinamer (ELR) membrane.
Chui-Shan Tsang et al.
Dalton transactions (Cambridge, England : 2003), 44(29), 13087-13092 (2015-06-25)
The pyridine-containing ligands and react with Ni(2+) ions to afford dinuclear triple-stranded helicate and tetrahedral cage supramolecular complexes, respectively; the two architectures exhibit contrasting reactivity towards electro- and photocatalytic proton reduction.
Shivika Sharma et al.
Biotechnology progress, 31(3), 715-723 (2015-03-05)
Gallic acid (3, 4, 5- trihydroxybenzoic acid) is an important antioxidant, anti-inflammatory, and radical scavenging agent. In the present study, a purified thermo-tolerant extra-cellular lipase of Bacillus licheniformis SCD11501 was successfully immobilized by adsorption on Celite 545 gel matrix followed
Yajie Gao et al.
Pharmaceutical research, 32(8), 2649-2662 (2015-02-14)
The purpose of the present study was to design and fabricate endosomal pH-sensitive dual-ligand-modified micellar nanoparticles to achieve enhanced drug delivery to tumor cells and facilitated intracellular drug release. End-group-carboxylated poly(2-ethyl-2-oxazoline)-poly(D,L-lactide) and cyclic Arg-Gly-Asp-Tyr-Lys- and anti-prostate specific membrane antigen antibody-modified
Rowan M von Spreckelsen et al.
Scientific reports, 5, 16798-16798 (2015-11-19)
Thuja plicata is a coniferous tree which displays remarkable water channelling properties. In this article, an easily fabricated mesh inspired by the hierarchical macro surface structure of Thuja plicata branchlets is described which emulates this efficient water collection behaviour. The
Cai-Hua Jia et al.
Journal of agricultural and food chemistry, 63(47), 10280-10286 (2015-10-23)
Caffeic acid phenethyl ester (CAPE) and 4-vinylcatechol (4-VC) were prepared for studying their antioxidative activities in emulsion. Oil-in-water emulsions of stripped soybean oil containing 200 ppm of CAPE, 4-VC, or α-tocopherol were stored at 40 °C in the dark for
Philippe C Gros et al.
Organic & biomolecular chemistry, 4(23), 4331-4335 (2006-11-15)
The first regioselective C-4 lithiation of (S)-nicotine has been realized using TMSCH2Li as basic reagent in toluene. The reaction proceeded under mild conditions with a small excess of electrophile. The 4-chloro derivative was subsequently metallated at C-5 with the same
Jaime H Gibbs et al.
Journal of organometallic chemistry, 798(Pt 1), 209-213 (2015-12-22)
A series of four BODIPYs containing one or two
Amel Bouzabata et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 75, 166-172 (2014-12-03)
In Algeria, Myrtus communis L. is distributed throughout the Tell Atlas and the coastal regions of Algiers and Constantine. The leaves are used in respiratory disorders, diarrhea and hemorrhoids. The aims of this work were to evaluate the antifungal and
Tameryn Stringer et al.
Dalton transactions (Cambridge, England : 2003), 44(33), 14906-14917 (2015-08-01)
A series of mono- and bis-salicylaldimine ligands and their corresponding Rh(i) complexes were prepared. The compounds were characterised using standard spectroscopic techniques including NMR, IR spectroscopy and mass spectrometry. The salicylaldimine ligands and complexes were screened for antiparasitic activity against
Sangjun Lee et al.
Carbohydrate polymers, 121, 284-294 (2015-02-11)
In this study, we synthesized dimer acid (DA) esters, having short to long alkyl chains, (DA-Cn) by the Diels-Alder reaction and subsequent esterification reaction of fatty acids that were prepared by the hydrolysis of waste vegetable oil. It was found
Zhifeng Li et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 988, 45-52 (2015-03-10)
An ultra performance liquid chromatography (UHPLC) coupled with electrospray ionization quadrupole time-of-flight mass spectrometry (ESI-Q-TOF-MS/MS) was used in the structural determination of natural compounds in Gastrodia elata. A total of 64 compounds were identified or tentatively characterized. The strategy used
Giampietro Frison et al.
Rapid communications in mass spectrometry : RCM, 29(13), 1196-1204 (2015-09-24)
We describe the analytical characterization of the designer drug bk-2C-B, a cathinone derivative, contained in a seized tablet, in the absence of an analytical standard. The analytical techniques employed include gas chromatography/mass spectrometry (GC/MS), without and with derivatization with 2,2,2-trichloroethyl
Harsha Agnihotri et al.
Photochemistry and photobiology, 91(6), 1324-1331 (2015-08-08)
A series of ortho-, meta- and para-substituted trans-nitro aryl (phenyl and pyridyl) butadienes have been synthesized and characterized. The effect of substitution and positional selectivity on their fluorescence and photoisomerization were systematically investigated. Among all dienes, meta- and para-nitro phenyl-substituted
Shinji Katsura et al.
Chemical & pharmaceutical bulletin, 63(8), 617-627 (2015-08-04)
The aim of this study was to identify the chemical structure of the photodegradation products of furosemide in a water-acetonitrile mixture (1 : 1). Furosemide solution was irradiated with a D65 fluorescent lamp and the products were isolated by preparative HPLC. The
F Mattner et al.
Disease markers, 2015, 729698-729698 (2015-07-23)
The high affinity translocator protein (TSPO) ligand 6-chloro-2-(4'-iodophenyl)-3-(N,N-methylethyl)imidazo[1,2-a]pyridine-3-acetamide (CLINME) was radiolabelled with iodine-123 and assessed for its sensitivity for the TSPO in rodents. Moreover neuroinflammatory changes on a unilateral excitotoxic lesion rat model were detected using SPECT imaging. [(123)I]-CLINME was
The effects of Si incorporation on the electrochemical and nanomechanical properties of DLC thin films.
Papakonstantinou P, et al.
Diamond and Related Materials, 11(3-6), 1074-1080 (2002)
A Srivastava et al.
Antimicrobial agents and chemotherapy, 59(4), 2169-2178 (2015-02-04)
The discovery of quorum-sensing (QS) systems regulating antibiotic resistance and virulence factors (VFs) has afforded a novel opportunity to prevent bacterial pathogenicity. Dietary molecules have been demonstrated to attenuate QS circuits of bacteria. But, to our knowledge, no study exploring
Matshawandile Tukulula et al.
Pharmaceutical research, 32(8), 2713-2726 (2015-03-01)
There is significant interest in the application of nanoparticles to deliver immunostimulatory signals to cells. We hypothesized that curdlan (immune stimulating polymer) could be conjugated to PLGA and nanoparticles from this copolymer would possess immunostimulatory activity, be non-cytotoxic and function
Daniel C Zielinski et al.
Nature communications, 6, 7101-7101 (2015-06-10)
Drug side effects cause a significant clinical and economic burden. However, mechanisms of drug action underlying side effect pathogenesis remain largely unknown. Here, we integrate pharmacogenomic and clinical data with a human metabolic network and find that non-pharmacokinetic metabolic pathways
B E Johansson et al.
Physics in medicine and biology, 44(9), 2161-2170 (1999-09-24)
The general collection efficiency in the dielectric liquids iso-octane (CaH18; 2-2-4 trimethylpentane) and tetramethylsilane (Si(CH3)4), used as sensitive media in a thimble liquid ionization chamber (LIC) with a liquid layer thickness of 1 mm, has been studied. Measurements were made
Xin Wang et al.
Nature communications, 5, 5776-5776 (2014-12-17)
In their natural habitat, bacteria are consumed by bacterivorous nematodes; however, they are not simply passive preys. Here we report a defensive mechanism used by certain bacteria to mobilize nematode-trapping fungi to kill nematodes. These bacteria release urea, which triggers
Abbas M Walji et al.
ChemMedChem, 10(2), 245-252 (2014-12-04)
Developing new antiretroviral therapies for HIV-1 infection with potential for less frequent dosing represents an important goal within drug discovery. Herein, we present the discovery of ethyl (1-((4-((4-fluorobenzyl)carbamoyl)-1-methyl-2-(2-(5-methyl- 1,3,4-oxadiazole-2-carboxamido)propan-2-yl)-6-oxo-1,6-dihydropyrimidin-5-yl)oxy)ethyl) carbonate (MK-8970), a highly optimized prodrug of raltegravir (Isentress). Raltegravir is a
Xia Yin et al.
Journal of Asian natural products research, 17(8), 793-799 (2015-04-29)
Two new 3,4-seco-lanostane-type triterpenes, named as 15α-hydroxy-3,4-seco-lanosta-4(28),8,24-triene-3,21-dioic acid (1), 5α-hydroxy-3,4-seco-lanosta-4(28),8,24-triene-3,21-dioic acid 3-methyl ester (2), and one new lanostane triterpene 15α-acetoxylhydroxytrametenolic acid (3) together with a known one versisponic acid D (4) were isolated from the fruiting bodies of Laetiporus sulphureus
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