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576956

" no prazo de Papéis
Thiloka C Ariyasena et al.
Journal of chromatography. A, 1361, 240-254 (2014-08-30)
Retention factors on several columns and at various temperatures using gas chromatography and from reversed-phase liquid chromatography on a SunFire C18 column with various mobile phase compositions containing acetonitrile, methanol and tetrahydrofuran as strength adjusting solvents are combined with liquid-liquid
QingMing Kong et al.
Molecular bioSystems, 11(5), 1400-1409 (2015-03-31)
Artesunate (ART) has high prophylactic efficacy against Schistosoma japonicum infections and has been used to treat and prevent schistosomiasis in China since 1995. However, the molecular mechanism of ART's effects on S. japonicum remains unclear. Herein, we applied isobaric tagging
Simone R Carvalho et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 88(1), 136-147 (2014-05-27)
The pharmacokinetics of inhaled rapamycin (RAPA) is compared for amorphous versus crystalline dry powder formulations. The amorphous formulation of RAPA and lactose (RapaLac) was prepared by thin film freezing (TFF) using lactose as the stabilizing agent in the weight ratio
Cen Yuan et al.
Chinese journal of natural medicines, 13(4), 303-306 (2015-04-25)
The present study investigated the chemical constituents of the roots and rhizomes of Panax notoginseng. Compounds were isolated by various column chromatographic methods, and their structures were elucidated by the extensive analysis of spectroscopic data and chemical evidences. A novel
G M Proshkina et al.
Biochimie, 118, 116-122 (2015-09-01)
Cytotoxic effects of a new targeted phototoxin DARPin-miniSOG and mechanism of its action were investigated in vitro. It was determined that DARPin-miniSOG causes light-induced death of HER2/neu-positive cancer cells (IC50 0.8 μM). Treatment of the cells with DARPin-miniSOG in the presence of
Kasper Skov et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 978-979, 83-88 (2014-12-23)
Blood plasma is a well-known body fluid often analyzed in studies on the effects of toxic compounds as physiological or chemical induced changes in the mammalian body are reflected in the plasma metabolome. Sample preparation prior to LC-MS based analysis
Jian-Ming He et al.
International immunopharmacology, 24(2), 182-190 (2014-12-20)
Rubi Fructus, a traditional Chinese medicine, was considered as an anti-inflammatory agent in folk medicine. In the present study, we investigated the signalling pathways involved in the anti-inflammatory effects of goshonoside-F5 (GF5), isolated from Rubi Fructus, in peritoneal macrophages and
Y Deceuninck et al.
Journal of chromatography. A, 1362, 241-249 (2014-09-10)
BPA-containing products are widely used in foodstuffs packaging as authorized within the European Union (UE no. 10/2011). Therefore, foods and beverages are in contact with BPA which can migrate from food contact material to foodstuffs. An accurate assessment of the
Yu Zhang et al.
Environmental science and pollution research international, 21(16), 9468-9476 (2013-08-15)
Nonylphenol ethoxylates (NPEOs) with low ethoxylation degree (NPav₂EO; containing two ethoxy units on average) and estrogenic properties are the intermediate products of nonionic surfactant NPEOs. To better understand the environmental fate of low-ethoxylated NPEOs, phylogenetically diverse low-ethoxylated NPEO-degrading bacteria were
Undine Behrendt et al.
Antonie van Leeuwenhoek, 108(6), 1457-1468 (2015-10-07)
In the context of studying the influence of N-fertilization on N2 and N2O flux rates in relation to the soil bacterial community composition in fen peat grassland, a group of bacterial strains was isolated that performed dissimilatory nitrate reduction to
Anna Hallmann et al.
Journal of pharmaceutical and biomedical analysis, 117, 311-315 (2015-09-26)
The aim of this study was to identify and quantify natural steroid hormones (17β-estradiol E2, estriol E3, estrone E1, testosterone T) and xenoestrogen (17α-ethinylestradiol EE2) in gills and gonads of Mytilus trossulus from the Gulf of Gdańsk, Poland, using the
Vibe Bach et al.
Journal of agricultural and food chemistry, 63(44), 9803-9811 (2015-10-30)
The eating quality of carrots (Daucus carota L.) was investigated to evaluate the impact of cropping systems (one conventional and three organic systems) and growing years (2007, 2008, and 2009) on root size, chemical composition, and sensory quality. The content
Aitor Carretero et al.
Analytical and bioanalytical chemistry, 406(22), 5465-5476 (2014-06-28)
Multiple analytical methods are required to comprehensively assess oxidative homeostasis and specific damage to macromolecules. Our aim was to develop a straightforward strategy for the fast assessment of global oxidative status and specific damage to DNA, proteins, and lipids. To
Hajnalka Szabados et al.
Journal of peptide science : an official publication of the European Peptide Society, 21(9), 731-742 (2015-08-08)
Desmoglein-3 (Dsg3) adhesion protein is the main target of autoantibodies and autoreactive T cells in Pemphigus vulgaris (PV) autoimmune skin disorder. Several mapping studies of Dsg3 T cell epitope regions were performed, and based on those data, we designed and
Umberto M Musazzi et al.
International journal of pharmaceutics, 489(1-2), 177-185 (2015-05-03)
Recent studies demonstrated that post-herpetical and inflammatory pain can be locally managed by morphine gels, empirically chosen. Aiming to rationalize the selection of the most suitable opioid for the cutaneous delivery, we studied the in vitro penetration through human epidermis
Guntis Cepurnieks et al.
Journal of pharmaceutical and biomedical analysis, 102, 184-192 (2014-10-06)
A new multi-class method has been developed for the identification and quantification of the residues of 26 antibiotics from different classes (sulfonamides, macrolides, tetracyclines, penicillins, and quinolones) in milk and meat by ultra performance liquid chromatography coupled to hybrid quadrupole
Yeqing Chen et al.
Molecules (Basel, Switzerland), 20(10), 18352-18366 (2015-10-13)
The Traditional Chinese Medicine herbs Pollen Typhae and Pollen Typhae Carbonisatus have been used as a hemostatic medicine promoting blood clotting for thousands of years. In this study, a reliable, highly sensitive method based on LC-MS/MS has been developed for
Chang-liang Yao et al.
Journal of chromatography. A, 1402, 71-81 (2015-05-30)
Current China Pharmacopoeia (ChP) standards employ diversified and case-dependent assay methods to evaluate the quality of different Chinese patent medicines (CPMs) that contain Panax notoginseng as the monarch drug. These conventional, HPLC-based approaches, utilizing a complex sample preparation procedure, can
Eric Nurit et al.
Analytical and bioanalytical chemistry, 407(12), 3471-3479 (2015-02-24)
Wheat is the second largest crop cultivated around the world and constitutes a major part of the daily diet in Europe. It is therefore important to determine the content of micronutrient in wheat and wheat-based food products to define the
Masayoshi Tamura et al.
Toxins, 7(5), 1664-1682 (2015-05-27)
A high-resolution liquid chromatography-Orbitrap mass spectrometry (LC-Orbitrap MS) method was developed for simultaneous determination of 20 Fusarium toxins (nivalenol, fusarenon-X, deoxynivalenol, 3-acetyl deoxynivalenol, 15-acetyl deoxynivalenol, HT-2 toxin, T-2 toxin, neosolaniol, diacetoxyscirpenol, fumonisin B1, fumonisin B2, fumonisin B3, fumonisin A1, fumonisin
Nicholas Farrell et al.
Food & function, 6(4), 1278-1287 (2015-03-12)
Serum high-density lipoprotein-cholesterol (HDL-C) is a risk factor considered to be protective of atherosclerosis. However, atherosclerosis is an inflammatory disease and contributes to impairment in high-density lipoprotein (HDL) function, including reductions in HDL-C, HDL antioxidant and anti-inflammatory activities. Anthocyanins are
Maciej Jarosz et al.
Analytica chimica acta, 851, 72-77 (2014-12-03)
Electrospray ionization mass spectrometry (ESI-MS) techniques have been used to characterize the speciation of a Ru(III) anticancer drug, indazolium trans-[tetrachloridobis(1H-indazole) ruthenate(III)], upon its binding to transferrin and the impact of cellular reducing components on drug-transferrin adducts. Using time-of-flight ESI-MS, the
Pradipbhai D Kalariya et al.
Journal of mass spectrometry : JMS, 50(11), 1222-1233 (2015-10-28)
Tinoridine is a nonsteroidal anti-inflammatory drug and also has potent radical scavenger and antiperoxidative activity. However, metabolism of tinoridine has not been thoroughly investigated. To identify in vivo metabolites, the drug was administered to Sprague-Dawley rats (n = 5) at a dose
Fumika Mi-ichi et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(22), E2884-E2890 (2015-05-20)
Hydrogenosomes and mitosomes are mitochondrion-related organelles (MROs) that have highly reduced and divergent functions in anaerobic/microaerophilic eukaryotes. Entamoeba histolytica, a microaerophilic, parasitic amoebozoan species, which causes intestinal and extraintestinal amoebiasis in humans, possesses mitosomes, the existence and biological functions of
Rebecca J Henry et al.
Journal of neuroimmunology, 276(1-2), 126-134 (2014-09-24)
The present study examined the effect of enhancing fatty acid amide hydrolase (FAAH) substrate levels in vivo on Toll-like receptor (TLR)3-induced neuroinflammation. Systemic and central (i.c.v.) administration of the FAAH inhibitor URB597 increased hippocampal levels of the N-acylethanolamines palmitoylethanolamide and
Preeti Singh et al.
World journal of microbiology & biotechnology, 31(12), 1923-1934 (2015-10-24)
Host cell interactions and invasion by Cryptosporidium is a complex process mediated by zoites ligand-host cell receptors. Knowledge of proteins involved in this process will enable entry level inhibitors to be tried as therapeutic agents. In the present study, invasion
Li Chu et al.
DNA and cell biology, 34(3), 178-188 (2015-01-22)
The traditional Chinese medicinal formula BDL301 has been used to inhibit inflammation for hundreds of years. The development of colorectal cancer and chronic inflammation are closely related. In this study, we investigated whether BDL301 could inhibit tumor growth. We found
Ashish Soman et al.
Journal of chromatographic science, 52(5), 413-417 (2013-05-17)
Soluplus, a graft copolymer of polyethylene glycol, vinyl caprolactam and vinyl acetate, is designed to solubilize poorly soluble active pharmaceutical ingredients. A straightforward aqueous gel permeation chromatography method that exploits both size exclusion and adsorption modes of separation was used
Cristina Díez et al.
Analytica chimica acta, 882, 127-139 (2015-06-05)
In this study, fourteen highly polar aminoglycoside (AGs) antibiotics were selected. Various stationary phases were tested, including Obelisc R, ZIC-HILIC, BEH amide and aminopropyl. The nature of the stationary phase, mobile phase (water or buffer solutions and acetonitrile), pH (percentage
Andrea Anesi et al.
BMC plant biology, 15, 191-191 (2015-08-08)
The definition of the terroir concept is one of the most debated issues in oenology and viticulture. The dynamic interaction among diverse factors including the environment, the grapevine plant and the imposed viticultural techniques means that the wine produced in
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