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Showing 1-30 of 1431 results for "06473" within Papers
Emmanuelle Vulliet et al.
Environmental science and pollution research international, 21(12), 7512-7521 (2014-03-07)
To collect a complete dataset regarding the occurrence of organic substances in groundwater, this study presents the examination of 66 organic contaminants in the groundwater of overseas departments, including pesticides, pharmaceutical compounds, hormones and some industrial substances. The selective and
Ryan C Hill et al.
Molecular & cellular proteomics : MCP, 14(4), 961-973 (2015-02-11)
The use of extracellular matrix (ECM) scaffolds, derived from decellularized tissues for engineered organ generation, holds enormous potential in the field of regenerative medicine. To support organ engineering efforts, we developed a targeted proteomics method to extract and quantify extracellular
Johanna Krippner et al.
Journal of agricultural and food chemistry, 63(14), 3646-3653 (2015-03-31)
Uptake of perfluoroalkyl acids (PFAAs) by maize represents a potential source of exposure for humans, either directly or indirectly via feed for animals raised for human consumption. The aim of the following study was, therefore, to determine the accumulation potential
Weihao Wang et al.
Steroids, 95, 51-65 (2015-01-13)
Dioscorea panthaica is a traditional Chinese medicinal herb used in the treatment of various physiological conditions, including cardiovascular disease, gastropathy and hypertension. Steroidal saponins (SS) are the main active ingredients of this herb and have effects on myocardial ischemia and
Ting Yang et al.
Water research, 47(3), 1299-1307 (2013-01-02)
Nitrate is often removed from groundwater by ion exchange (IX) before its use as drinking water. Accumulation of nitrate in IX brine reduces the efficiency of IX regeneration and the useful life of the regeneration brine. For the first time
Teresa Ferreira et al.
Microscopy and microanalysis : the official journal of Microscopy Society of America, Microbeam Analysis Society, Microscopical Society of Canada, 21(1), 2-14 (2014-11-13)
A 16th century liturgical cope belonging to D. Teotónio of Braganza (collection of the Museum of Évora, ME 172/1) was selected for a material study. The cope is made of a variety of materials that include two different types of
D Q Li et al.
Journal of chromatography. A, 1345, 50-56 (2014-05-06)
Xanthine oxidase (XO) can catalyze hypoxanthine and xanthine to generate uric acid and reactive oxygen species (ROS), including superoxide anion radical (O₂(•-)) and hydrogen peroxide. XO inhibitors and free radical scavengers are beneficial to the treatment of gout and many
Chengcheng Peng et al.
Biomedical chromatography : BMC, 29(3), 425-436 (2014-07-22)
Shexiang Baoxin pills (SBP) are a traditional Chinese medicine that are used for treating coronary heart disease. Ginsenosides are the main effective components of SBP, but a comprehensive and deep pharmacokinetic study of ginsenosides in SBP, including multiple dosing and
Arne Trettin et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 959, 71-81 (2014-04-29)
Paracetamol (acetaminophen) is a widely used safe analgesic drug when administered at therapeutic doses. Given the chemical reactivity of its phenolic group towards electrophilic species, we assumed that detection of paracetamol metabolites distinctly different from its known phase I metabolite
M A García-Sevillano et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 985, 75-84 (2015-02-11)
Although mercury (Hg) is an important environmental and occupational pollutant, its toxicological effects, especially in serum and red blood cells (RBCs), have been scarcely studied. A toxicometabolomics workflow based on high resolution mass spectrometry approaches has been applied to investigate
Yoshihiko Miyata et al.
The Journal of biological chemistry, 289(48), 33320-33332 (2014-10-25)
Trp-Asp (WD) repeat protein 68 (WDR68) is an evolutionarily conserved WD40 repeat protein that binds to several proteins, including dual specificity tyrosine phosphorylation-regulated protein kinase (DYRK1A), MAPK/ERK kinase kinase 1 (MEKK1), and Cullin4-damage-specific DNA-binding protein 1 (CUL4-DDB1). WDR68 affects multiple
Michele Andreucci et al.
Chemico-biological interactions, 229, 17-25 (2015-01-21)
Radiocontrast media (RCM)-induced nephrotoxicity (CIN) is a major clinical problem accounting for 12% of all hospital-acquired cases of acute kidney injury. The pathophysiology of CIN is not well understood, but direct toxic effects on renal cells have been postulated as
Yimin Niu et al.
Journal of pharmaceutical and biomedical analysis, 104, 21-30 (2014-12-03)
In our previous study, the daily administration of chotosan (CTS), a Kampo formula consisting of Uncaria and other 10 different crude drugs, ameliorated cognitive deficits in several animal models of dementia including type 2 diabetic db/db mice in a similar
Wei Guo et al.
Environmental toxicology and pharmacology, 38(3), 901-912 (2014-12-03)
This study aimed to identify the specific cytochrome P450 (CYP450) enzymes involved in the metabolism of dipfluzine hydrochloride using the combination of a chemical inhibition study, a correlation analysis and a panel of recombinant rat CYP450 enzymes. The incubation of
Kim D Mooiman et al.
The Journal of pharmacy and pharmacology, 66(9), 1339-1346 (2014-04-16)
The aim of this study is to establish the inhibitory effects of 14 commonly used complementary and alternative medicines (CAM) on the metabolism of cytochrome P450 2C9 (CYP2C9) substrates 7-methoxy-4-trifluoromethyl coumarine (MFC) and tolbutamide. CYP2C9 is important for the metabolism
Tony W T Bristow et al.
Journal of the American Society for Mass Spectrometry, 25(10), 1794-1802 (2014-08-12)
For on-line monitoring of chemical reactions (batch or continuous flow), mass spectrometry (MS) can provide data to (1) determine the fate of starting materials and reagents, (2) confirm the presence of the desired product, (3) identify intermediates and impurities, (4)
Daniël B van Schalkwijk et al.
PloS one, 9(7), e100376-e100376 (2014-07-23)
Dietary medium chain fatty acids (MCFA) and linoleic acid follow different metabolic routes, and linoleic acid activates PPAR receptors. Both these mechanisms may modify lipoprotein and fatty acid metabolism after dietary intervention. Our objective was to investigate how dietary MCFA
Josh M Morganti et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 35(2), 748-760 (2015-01-16)
Traumatic brain injury (TBI) is a major risk factor for the development of multiple neurodegenerative diseases. With respect to the increasing prevalence of TBI, new therapeutic strategies are urgently needed that will prevent secondary damage to primarily unaffected tissue. Consistently
Thea S B Kjeldsen et al.
The Journal of antimicrobial chemotherapy, 70(1), 62-70 (2014-09-04)
Knowledge about the regulatory mechanisms of CTX-M β-lactamase-encoding genes in Escherichia coli is limited. The objectives of this study were to determine the growth response of CTX-M-1-producing E. coli exposed to cefotaxime and to investigate how blaCTX-M-1 expression at mRNA
Maša Sinreih et al.
PloS one, 10(2), e0117984-e0117984 (2015-02-14)
Progesterone has a number of important functions throughout the human body. While the roles of progesterone are well known, the possible actions and implications of progesterone metabolites in different tissues remain to be determined. There is a growing body of
O Lardinois et al.
Rapid communications in mass spectrometry : RCM, 28(23), 2531-2538 (2014-11-05)
Using a proteomic-based approach we have investigated possible altered expression of a range of cerebral spinal fluid (CSF) proteins following exposure to the neurotoxicant carbonyl sulfide (COS). CSF is ideal for the investigation of markers of brain injury or disease
Cécile Arellano et al.
Journal of pharmaceutical and biomedical analysis, 100, 254-261 (2014-09-01)
A selective and accurate analytical method is needed to quantify tamoxifen and its phase I metabolites in a prospective clinical protocol, for evaluation of pharmacokinetic parameters of tamoxifen and its metabolites in adjuvant treatment of breast cancer. The selectivity of
Ionara R Pizzutti et al.
Talanta, 129, 352-363 (2014-08-17)
A fast and efficient multimethod for the determination of 36 mycotoxins in wine, using ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS), was developed, optimized, validated and implemented in routine analysis. A simplified, quick extraction was performed with acetonitrile, derived from the
Nađa Kostić et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 962, 102-108 (2014-06-09)
This paper presents a LC-MS/MS method for the determination of antiepileptic drug vigabatrin in dried plasma spots (DPS). Due to its zwitterionic chemical structure, a pre-column derivatization procedure was performed, aiming to yield enhanced ionization efficiency and improved chromatographic behaviour.
Erik Hanff et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 970, 44-52 (2014-09-23)
A specific, sensitive and fast LC-MS/MS method with positive electrospray ionization for the quantitative determination of nitrite in human plasma is reported. Added [(15)N]nitrite served as the internal standard (IS). Endogenous nitrite and IS were converted to their S-nitrosoglutathione (GSNO)
Joanna A Majchrzykiewicz-Koehorst et al.
Journal of virological methods, 213, 75-83 (2014-12-17)
The rapid identification of existing and emerging respiratory viruses is crucial in combating outbreaks and epidemics. Matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) is a rapid and reliable identification method in bacterial diagnostics, but has not been used in
Nadine A Binai et al.
Journal of proteome research, 13(8), 3542-3553 (2014-07-08)
Stationary-phase, carbon-starved shake-flask cultures of Saccharomyces cerevisiae are popular models for studying eukaryotic chronological aging. However, their nutrient-starved physiological status differs substantially from that of postmitotic metazoan cells. Retentostat cultures offer an attractive alternative model system in which yeast cells
Szende Vancea et al.
Journal of pharmaceutical and biomedical analysis, 98, 417-423 (2014-07-10)
A liquid chromatography coupled with tandem mass spectrometry method for the quantification of the antispasmodic drug drotaverine in human plasma was developed and validated according to the current bioanalytical guidelines. The internal standard used was imipramine. The separation was performed
Bin Xu et al.
Talanta, 132, 245-251 (2014-12-06)
A new isotope-dilution liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for determination of sulfur mustard (SM) has been developed using a direct chemical derivatization method by nucleophile potassium thioacetate (PTA) in aqueous solution. The reaction conditions for derivatization, such as reaction
Michael Lever et al.
Journal of clinical lipidology, 8(4), 433-440 (2014-08-12)
Cross-sectional data suggest that bezafibrate increases betaine excretion in dyslipidemic patients. We aimed to demonstrate that fenofibrate induces increased betaine excretion in normal subjects and explore whether other 1-carbon metabolites and osmolytes are similarly affected. Urine was collected from 26
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