Showing 1-30 of 870 results for "270989"
Lorraine Aparecida Pinto et al.
Naunyn-Schmiedeberg's archives of pharmacology, 388(3), 305-317 (2014-11-25)
The purpose of the present study was to evaluate the gastroprotective and healing effects of the methanolic extract of the seed of the papaya Carica papaya L. (MECP) in rats. Models of acute gastric ulcer induction by ethanol and indomethacin...
Terencio R Aguiar et al.
Environmental science and pollution research international, 22(14), 10618-10626 (2015-03-07)
Several studies have pointed to the potential benefits of riparian vegetation as buffer zones for agricultural and industrial pollutants harmful to aquatic ecosystems. However, other studies have called into question its use as an ecological filter, questioning the widths and...
Siegrid De Baere et al.
Analytical and bioanalytical chemistry, 407(15), 4351-4362 (2014-11-20)
Corticosterone (CORT) is the dominant plasma glucocorticoid in birds. There has been increasing interest in the function of CORT in avian egg yolk and in the potential to use CORT concentrations in eggs to quantify stress and to assess the...
Stuart J Khan et al.
Chirality, 26(11), 739-746 (2014-12-17)
Ibuprofen and naproxen are commonly used members of a class of pharmaceuticals known as 2-arylpropionic acids (2-APAs). Both are chiral chemicals and can exist as either of two (R)- and (S)-enantiomers. Enantioselective analyses of effluents from municipal wastewater treatment plants...
Lutz Ahrens et al.
Journal of chromatography. A, 1405, 1-11 (2015-06-20)
Five different passive sampler devices were characterized under laboratory conditions for measurement of 124 legacy and current used pesticides in water. In addition, passive sampler derived time-weighted average (TWA) concentrations were compared to time-integrated active sampling in the field. Sampling...
Yang Yang et al.
Environmental science & technology, 48(20), 12362-12369 (2014-09-16)
Disinfectants inactivate pathogens in source water; however, they also react with organic matter and bromide/iodide to form disinfection byproducts (DBPs). Although only a few DBP classes have been systematically analyzed for toxicity, iodinated and brominated DBPs tend to be the...
Jean Claude Alvarez et al.
Bioanalysis, 7(13), 1675-1684 (2015-08-01)
Remifentanil and propofol are often used in combination for general anesthesia. We developed a method using LC-MS for their simultaneous measurement in human plasma. Methodology & results: After addition of remifentanil-(13)C6 and propofol-d18 (IS), 500 µl of plasma were extracted...
Naima G Cortes-Perez et al.
BMC microbiology, 15, 112-112 (2015-05-25)
Mechanisms underlying the transition from commensalism to virulence in Enterococcus faecalis are not fully understood. We previously identified the enterococcal leucine-rich protein A (ElrA) as a virulence factor of E. faecalis. The elrA gene is part of an operon that...
Jingjing Jin et al.
Journal of experimental botany, 66(13), 3959-3975 (2015-05-10)
The pleasant fragrance of ylang ylang varieties (Cananga odorata) is mainly due to volatile organic compounds (VOCs) produced by the flowers. Floral scents are a key factor in plant-insect interactions and are vital for successful pollination. C. odorata var. fruticosa...
Elena S Chernetsova et al.
Rapid communications in mass spectrometry : RCM, 29(13), 1242-1252 (2015-09-24)
Visual monitoring of the Direct Analysis in Real Time (DART) gas impact region during sampling was demonstrated via its metastable plasma glow. It is known that adding neon into helium for DART leads to plasma glow, but this effect has...
Fumio Kondo et al.
Analytical and bioanalytical chemistry, 407(18), 5261-5272 (2015-01-31)
Determination of neuroactive substances, such as neurotransmitters and prostanoids, in the extracellular space of the living brain is a very important technique in neuroscience. The hypothalamic paraventricular nucleus (PVN) is one of the most important autonomic control centers in the...
Ewelina Kowalczyk et al.
Food additives & contaminants. Part A, Chemistry, analysis, control, exposure & risk assessment, 37(4), 622-633 (2020-02-06)
Tea samples from the Polish market were analysed for the determination of pyrrolizidine alkaloids (PAs). The method applied in the study is based on the GC-MS technique and uses the sum parameter approach for quantification. The analytical protocol was subjected...
Yanyan Jiang et al.
Macromolecular bioscience, 15(7), 965-978 (2015-03-27)
A novel gene transfection vector was fabricated based on the conjugation of human serum albumin (HSA) and maleimide end functionalized poly[(N,N-dimethylamino) ethyl methacrylate] (PDMAEMA). The bioconjugation was achieved in a site-specific manner to yield well-defined polymer-protein conjugates. The biohybrid was...
Eunjae Jung et al.
International journal of pharmaceutics, 487(1-2), 49-55 (2015-04-12)
The aim of this study was to develop drug-in adhesive (DIA) patch formulations for the transdermal delivery of fluoxetine (FX). The DIA patch formulations containing FX were prepared and optimized with various pressure sensitive adhesives, drug contents and enhancers. Among...
Chang Li et al.
Journal of agricultural and food chemistry, 63(44), 9850-9854 (2015-10-20)
The capacities of six antioxidants to inhibit the formation of 3-monochloropropane-1,2 diol (3-MCPD) esters were examined in this study. Inhibitory capacities of the antioxidants were investigated both in chemical models containing the precursors (tripalmitoyl glycerol, 1,2-dipalmitoyl-sn-glycerol, monopalmitoyl glycerol, and sodium...
Emanuela Scolamiero et al.
Molecular bioSystems, 11(6), 1525-1535 (2015-02-18)
Inborn errors of metabolism are genetic disorders due to impaired activity of enzymes, transporters, or cofactors resulting in accumulation of abnormal metabolites proximal to the metabolic block, lack of essential products or accumulation of by-products. Many of these disorders have...
Franziska Janusch et al.
Environmental toxicology and pharmacology, 38(3), 792-799 (2014-10-13)
The application of antibiotics including fluoroquinolones to farming animals is widespread and may lead to the development of antibiotic resistance and other environmental effects. To calculate environmental loads and for a proper risk assessment it is necessary to determine the...
Man-Jeong Paik et al.
Sleep & breathing = Schlaf & Atmung, 18(3), 517-523 (2014-01-10)
The apnea-hypopnea index (AHI) is closely related with the severity of daytime sleepiness, but excessive daytime sleepiness (EDS) is not presented on all patients with obstructive sleep apnea (OSA). It is unclear why daytime sleepiness is not always present in...
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...
R Rodríguez-Gómez et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 992, 47-55 (2015-05-06)
A sensitive and accurate analytical method for the determination of methyl-, ethyl-, propyl- and butylparaben and bisphenol A in human milk samples has been developed and validated. The combination of ultrasound-assisted extraction (UAE) and a simplified and rapid clean-up technique...
Nicolas Morin et al.
Environmental science & technology, 49(13), 7675-7683 (2015-06-10)
The plastic additive bisphenol A (BPA) is commonly found in landfill leachate at levels exceeding acute toxicity benchmarks. To gain insight into the mechanisms controlling BPA emissions from waste and waste-handling facilities, a comprehensive field and laboratory campaign was conducted...
Sohan Sengupta et al.
BMC microbiology, 15, 170-170 (2015-08-22)
New broad spectrum antimicrobial agents are urgently needed to combat frequently emerging multi drug resistant pathogens. Actinomycetes, the most talented group of microorganisms isolated from unexplored regions of the world may be the ultimate solution to this problem. Thus the...
K M Sharif et al.
Biomedical chromatography : BMC, 29(12), 1826-1833 (2015-06-03)
Multivariate analysis of thin-layer chromatography (TLC) images was modeled to predict antioxidant activity of Pereskia bleo leaves and to identify the contributing compounds of the activity. TLC was developed in optimized mobile phase using the 'PRISMA' optimization method and the...
Alessandro Busetti et al.
Marine drugs, 13(6), 3581-3605 (2015-06-10)
The marine brown alga Halidrys siliquosa is known to produce compounds with antifouling activity against several marine bacteria. The aim of this study was to evaluate the antimicrobial and antibiofilm activity of organic extracts obtained from the marine brown alga...
Katerina Naumoska et al.
Journal of chromatography. A, 1381, 229-238 (2015-01-20)
Three TLC methods were used for an initial screening of some common plant triterpenoids and phytosterols in cuticular wax extracts of different vegetables (zucchini, eggplant, tomato, red pepper, mangold, spinach, lettuce, white-colored radicchio di Castelfranco, raddichio Leonardo, white cabbage, red...
Chun-Yip Hon et al.
International archives of occupational and environmental health, 88(7), 933-941 (2015-01-30)
The purpose of this study was to quantify the urine concentration of non-metabolized cyclophosphamide (CP), a commonly administered antineoplastic drug, among potentially exposed Canadian healthcare workers and to identify factors associated with the drug concentration levels. Participants were asked to...
Adrian Weisz et al.
Journal of chromatography. A, 1380, 120-129 (2015-01-17)
Three low-level subsidiary color impurities (A, B, and C) often present in batches of the color additive D&C Red No. 33 (R33, Acid Red 33, Colour Index No. 17200) were separated from a portion of R33 by spiral high-speed counter-current...
Takanori Yano et al.
Applied microbiology and biotechnology, 99(13), 5627-5637 (2015-03-10)
Rhodococcus erythropolis N9T-4 shows extremely oligotrophic growth requiring atmospheric CO2 and forms its colonies on an inorganic basal medium (BM) without any additional carbon source. Screening of a random mutation library constructed by a unique genome deletion method that we...
Yixian Zhang et al.
Biomacromolecules, 20(4), 1777-1788 (2019-03-20)
Although the negative impacts of particulate matter (PM2.5) on human health have been well recognized, very few efforts have been paid to find new strategies to suppress the toxicity of PM2.5 both in vitro and in vivo. In this study...
Younis A Salmean et al.
Journal of renal nutrition : the official journal of the Council on Renal Nutrition of the National Kidney Foundation, 25(3), 316-320 (2014-12-03)
To determine the effects of supplemental fiber on plasma p-cresol, stool frequency, and quality of life (QoL) in chronic kidney disease (CKD) patients. In a 12-week single-blind study, participants were provided with control muffins and supplements (5.5 g sucrose/day) for 2 weeks...

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