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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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Quan Liu et al.
Journal of agricultural and food chemistry, 62(34), 8555-8561 (2014-08-05)
Weed infestation has been known to cause considerable reductions in crop yields, thereby hindering sustainable agriculture. Many plants in genus Euphorbia affect neighboring plants and other organisms by releasing chemicals into the environment. In view of the serious threat of
Ying Li et al.
Journal of agricultural and food chemistry, 63(29), 6596-6602 (2015-07-07)
Rubrosterone, possessing various remarkable bioactivities, is an insect-molting C19-steroid. However, only very small amounts are available for biological tests due to its limited content from plant sources. Fungi of genus Fusarium have been reported to have the ability to convert
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
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
Youseung Kim et al.
Bioorganic & medicinal chemistry, 23(15), 4980-4988 (2015-06-06)
PABA/NO [O(2)-{2,4-dinitro-5-[4-(N-methylamino)benzoyloxy]phenyl} 1-(N,N-dimethylamino) diazen-1-ium-1,2-diolate] is a nitric oxide (NO)-releasing arylating agent designed to be selectively activated by reaction with glutathione (GSH) on catalysis by glutathione S-transferase P1 (GSTP1), an enzyme frequently overexpressed in cancer cells. PABA/NO has proven active in
Yan Shan et al.
Chinese journal of natural medicines, 13(4), 311-315 (2015-04-25)
The present study was designed to identify potent anti-tumor compounds from a series of new longistylin C derivatives. Ten longistylin C derivatives were synthesized and their structures were confirmed by (1)H NMR, MS, and elemental analyses. Their cytotoxicity in vitro
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
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
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
Nik Khairunissa Nik Abdullah Zawawi et al.
Bioorganic & medicinal chemistry, 23(13), 3119-3125 (2015-05-24)
A library of novel 2,5-disubtituted-1,3,4-oxadiazoles with benzimidazole backbone (3a-3r) was synthesized and evaluated for their potential as β-glucuronidase inhibitors. Several compounds such as 3a-3d, 3e-3j, 3l-3o, 3q and 3r showed excellent inhibitory potentials much better than the standard (IC50=48.4±1.25μM: d-saccharic
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
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