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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
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
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
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
A A Hamid et al.
Steroids, 87, 108-118 (2014-06-15)
Diosgenin has been modified to furostane derivatives after opening the F-spiroacetal ring. The aldehyde group at C26 in derivative 8 was unexpectedly transformed to the ketone 9. The structure of ketone 9 was confirmed by spectroscopy and finally by X-ray
Costyl N Njiojob et al.
Journal of medicinal chemistry, 58(6), 2845-2854 (2015-02-26)
The success of near-infrared (NIR) fluorescence to be employed for intraoperative imaging relies on the ability to develop a highly stable, NIR fluorescent, nontoxic, biocompatible, and highly excreted compound that retains a reactive functionality for conjugation to a cancer-recognizing peptide.
Delair Silveira Dos Santos et al.
Acta pharmaceutica (Zagreb, Croatia), 64(4), 495-501 (2014-12-23)
This paper describes the seasonal phytochemical variation and the antimicrobial potential of V. zizanioides roots collected in Brazil. Considering the high levels of chemical constituents and their biological activity in dichloromethane fraction, the plants were grown in different seasons and
James C Salamanca et al.
Scientific reports, 8(1), 7559-7559 (2018-05-17)
E-cigarette aerosol emission studies typically focus on benchmarking toxicant levels versus those of cigarettes. However, such studies do not fully account for the distinct chemical makeup of e-liquids and their unique properties. These approaches often conclude that there are fewer
M B Avinash et al.
Scientific reports, 5, 16070-16070 (2015-11-04)
A simple solution-processing and self-assembly approach that exploits the synergistic interactions between multiple hydrogen bonded networks and aromatic interactions was utilized to synthesize molecular crystals of cyclic dipeptides (CDPs), whose molecular weights (~0.2 kDa) are nearly three orders of magnitude smaller
Raphael Hoareau et al.
Journal of labelled compounds & radiopharmaceuticals, 57(13), 715-720 (2014-10-29)
We have investigated the use of cyclic sulfamidates as precursors to yield secondary amines as building blocks for subsequent reaction with carboxylic acids and acyl chlorides. The preparation of the protonated form of [(18)F]-N-(2-fluoro-ethyl)-N-methylamine from the corresponding cyclic sulfamidate proceeded
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
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
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
Davide Carta et al.
ChemMedChem, 10(11), 1846-1862 (2015-10-09)
A small library of 3-ethylpyrrolo[3,2-f]quinoline derivatives was synthesized to identify a novel class of dyes for use in biological studies. According to the spectroscopic analyses performed to evaluate the fluorimetric parameters of quantum yield and brightness, 7-methyl- and 6,7-dimethylpyrroloquinolin(9)one derivatives
Xianxi Zhang et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 67(3-4), 1135-1138 (2006-11-14)
Chemical shifts of some reduced symmetry peripheral fused-ring-substituted phthalocyanines, namely Zn3B1N, Zncis2B2N, Zntrans2B2N, Zn1B3N and Zn3B0N, have been calculated at density functional B3LYP level using the gauge-independent atomic orbital (GIAO) method. The geometries were optimized using the 6-31G(d) basis set
Jonas Andersson et al.
Physics in medicine and biology, 56(2), 299-314 (2010-12-17)
A method to correct for the general recombination losses for liquid ionization chambers in continuous beams has been developed. The proposed method has been derived from Greening's theory for continuous beams and is based on measuring the signal from a
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
Han Han et al.
Journal of mass spectrometry : JMS, 49(11), 1108-1116 (2014-11-15)
Sweroside, a major active iridoid in Swertia pseudochinensis Hara, is recognized as an effective agent in the treatment of liver injury. Based on previous reports, the relatively short half-life (64 min) and poor bioavailability (approximately 0.31%) in rats suggested that not
V N Shankar et al.
Archives of biochemistry and biophysics, 387(2), 297-306 (2001-05-24)
The active vitamin D analog, 19-nor-1alpha,25-dihydroxyvitamin D2 (19-nor-1alpha,25-(OH)2D2), has a similar structure to the natural vitamin D hormone, 1a,25-dihydroxyvitamin D3 (1alpha,25-(OH)2D3), but lacks the C10-19 methylene group and possesses an ergosterol/ vitamin D2 rather than a cholesterol/vitamin D3 side chain.
Yin-Chih Fu et al.
Acta biomaterialia, 10(11), 4583-4596 (2014-07-23)
Nanoparticles (NP) that target bone tissue were developed using PLGA-PEG (poly(lactic-co-glycolic acid)-polyethylene glycol) diblock copolymers and bone-targeting moieties based on aspartic acid, (Asp)(n(1,3)). These NP are expected to enable the transport of hydrophobic drugs. The molecular structures were examined by
B Johansson et al.
Physics in medicine and biology, 42(10), 1929-1938 (1997-11-19)
The general collection efficiency in pulsed radiation was studied for isooctane (C8H18) and tetramethylsilane (Si(CH3)4). These two liquids were used as sensitive media in a parallel-plate liquid ionization chamber with a 1 mm sensitive layer. Measurements were carried out using
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.
August Andersson et al.
FEBS letters, 545(2-3), 139-143 (2003-06-14)
The interaction between the peptide hormone motilin and bicelles has been investigated by pulsed field gradient-nuclear magnetic resonance methods and by the use of paramagnetic probes. Diffusion coefficients were measured for motilin, the phospholipids with and without motilin, and for
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
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
Seong Su Hong et al.
Fitoterapia, 99, 347-351 (2014-12-03)
The ethanolic extract of the needles of Pinus thunbergii was found to suppress antigen mediated degranulation of rat basophilic leukemia (RBL-2H3) cells. A new neolignan glycoside, named pinusthunbergiside A (1), as well as six known neolignan glycosides (2-7) were isolated
Xijuan Chen et al.
The Science of the total environment, 505, 39-46 (2014-10-13)
Aerobic degradation experiments of Triclosan were performed in activated sludge to identify possible transformation products for this compound. During 7 days, the formation of biotransformation products such as 2,4-Dichlorophenol, 4-Chlorocatechol, 5-Hydroxy-Triclosan and other Monohydroxy-Triclosan derivatives as well as Dihydroxy-Triclosan-derivatives were
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