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238074

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Matthew W Vetting et al.
Biochemistry, 54(3), 909-931 (2014-12-30)
The rate at which genome sequencing data is accruing demands enhanced methods for functional annotation and metabolism discovery. Solute binding proteins (SBPs) facilitate the transport of the first reactant in a metabolic pathway, thereby constraining the regions of chemical space...
Marta Palusinska-Szysz et al.
International journal of molecular sciences, 15(5), 8256-8279 (2014-05-14)
Phosphatidycholine (PC) is the major membrane-forming phospholipid in eukaryotes but it has been found in only a limited number of prokaryotes. Bacteria synthesize PC via the phospholipid N-methylation pathway (Pmt) or via the phosphatidylcholine synthase pathway (Pcs) or both. Here...
Sarah K Poznanovic et al.
Mycorrhiza, 25(2), 153-164 (2014-08-06)
Coarse woody debris (CWD) is an important nursery environment for many tree species. Understanding the communities of ectomycorrhizal fungi (ECMF)and the effect of ECMF species on tree seedling condition in CWD will elucidate the potential for ECMF-mediated effects on seedling...
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...
Min Shen et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 967, 84-89 (2014-08-03)
6-Monoacetylmorphine in keratinized matrices can be used to discriminate between heroin users and individuals exposed to other sources of morphine alkaloids. Frozen pulverization is effective in preventing 6-monoacetylmorphine hydrolysis. The main aim of this study was to develop an LC-MS/MS...
Wenhui Li et al.
Environmental science and pollution research international, 22(22), 17987-17997 (2015-07-15)
As an emerging group of endocrine-disrupting chemicals, parabens have attracted growing attention due to their potential effects on human health. In the present study, the occurrence and distribution of eight parabens, four chlorinated parabens, and their common hydrolysis product, p-hydroxybenzoic...
Fei Xu et al.
FEMS microbiology letters, 358(1), 98-105 (2014-07-24)
This study investigated inactivation of bacteria with ultraviolet light A irradiation in combination with vitamin K3 as a photosensitizer. Six bacteria including Bacillus cereus, Pseudomonas aeruginosa, Staphylococcus aureus, Staphylococcus epidermidis, Klebsiella pneumoniae, and Escherichia coli suspended in vitamin K3 aqueous...
Johana Musso et al.
Analytical and bioanalytical chemistry, 407(5), 1285-1294 (2014-12-20)
Detection of protein biomarkers is of major interest in proteomics. This work reports the analysis of protein biomarkers directly from a biological fluid, human saliva, by surface plasmon resonance imaging coupled to mass spectrometry (SPRi-MS), using a functionalized biochip in...
Hyuck-Soo Kim et al.
Chemosphere, 142, 153-159 (2015-07-04)
Reclaimed tidal land soil (RTLS) often contains high levels of soluble salts and exchangeable Na that can adversely affect plant growth. The current study examined the effect of biochar on the physicochemical properties of RTLS and subsequently the influence on...
Chang-Yin Li et al.
Journal of ethnopharmacology, 162, 225-230 (2015-01-13)
Hydroxysafflor yellow A (HSYA), the major active marker compound isolated from Carthamus tinctorius L., has been demonstrated to possess various attractive pharmacological activities. However, there is a lack of information about the complete clinical pharmacokinetic profiles of HSYA following the...
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...
Alexandra R Lobach et al.
Chemical research in toxicology, 27(7), 1109-1119 (2014-06-27)
Clozapine is an atypical antipsychotic that is limited in its use due to the risk of idiosyncratic agranulocytosis. The bone marrow is suspected to be the site of the reaction, and indirect measurements in patients suggest that neutrophil production and...
Eszter Németh et al.
Protein science : a publication of the Protein Society, 23(8), 1113-1122 (2014-06-05)
The nuclease domain of colicin E7 (NColE7) promotes the nonspecific cleavage of nucleic acids at its C-terminal HNH motif. Interestingly, the deletion of four N-terminal residues (446-449 NColE7 = KRNK) resulted in complete loss of the enzyme activity. R447A mutation was reported...
Joan Eilstein et al.
Archives of toxicology, 88(9), 1681-1694 (2014-03-25)
Skin function is not limited to a physical barrier. According to its total surface area, it is also considered as an extra-hepatic metabolizing organ. In vitro engineered human skins have been developed to replace limited ex vivo normal human skin...
Raquel González de Vega et al.
Analytical and bioanalytical chemistry, 407(9), 2405-2413 (2014-10-27)
A post-column isotope dilution analysis (IDA) methodology was applied to carry out quantitative speciation of selenium in human vitreous humor samples by size exclusion chromatography (SEC) coupled on-line to inductively coupled plasma mass spectrometry (ICP-MS). Two main selenium species detected...
Monique Zangarini et al.
Journal of pharmaceutical and biomedical analysis, 95, 107-112 (2014-03-26)
A rapid, sensitive and specific HPLC-MS/MS method was developed and validated for the quantification of trabectedin in human plasma after using deuterated trabectedin as Internal Standard (IS). After the addition of ammonium sulphate, the analyte was extracted from human plasma...
Ana R Ribeiro et al.
Journal of chromatography. A, 1418, 140-149 (2015-10-04)
The fate and removal of organic micropollutants in the environment is a demanding issue evidenced by the recent European policy. This work presents an analytical method for the trace quantification of 37 micropollutants including Priority Substances (Directive 2013/39/EU), substances of...
Apinya Wisutiamonkul et al.
Food chemistry, 180, 301-305 (2015-03-15)
Durian (Durio zibethinus) cvs. Chanee and Monthong fruit were severed from the tree during 14 day intervals, from 10 weeks after anthesis until commercial maturity. We determined the pulp (i.e. aril; fruit flesh) carotenoid composition, together with pulp firmness, color...
Ana Rita Ribeiro et al.
Journal of chromatography. A, 1363, 226-235 (2014-07-23)
The interest for environmental fate assessment of chiral pharmaceuticals is increasing and enantioselective analytical methods are mandatory. This study presents an enantioselective analytical method for the quantification of seven pairs of enantiomers of pharmaceuticals and a pair of a metabolite....
Meng-Yang Chang et al.
Organic letters, 14(15), 3936-3939 (2012-07-24)
A facile two-step synthetic route for preparing the novel tetracyclic skeleton of benzofused 2,6-diaryl-1-azahomoisotwistanes 2 had been developed. The route was carried out by a one-pot tandem cross-coupling reaction of o-allylbenzaldehydes 1 with aryl methyl ketones 3, and NH(4)OAc mediated...
Chung-Wei Yang et al.
PloS one, 9(7), e100576-e100576 (2014-07-23)
Bisphenol A (BPA) is a ubiquitous endocrine disrupting chemical in our daily life, and its health effect in response to prenatal exposure is still controversial. Early-life BPA exposure may impact brain development and contribute to childhood neurological disorders. The aim...
Ana Freitas et al.
Journal of the science of food and agriculture, 95(1), 44-52 (2014-05-24)
The industrial processing of pineapple generates a high quantity of by-products. To reduce the environmental impact of these by-products and the inherent cost of their treatment, it is important to characterise and valorise these products, converting them into high added...
Ruijuan Xu et al.
PloS one, 9(12), e114049-e114049 (2014-12-03)
Glycyrrhizin (GL) is a widely used food additive which can cause severe pseudoaldosteronism at high doses or after a long period of consumption. The aim of the present study was to develop a physiologically based pharmacokinetic (PBPK) pharmacodynamic (PD) model...
Jace W Jones et al.
Health physics, 106(1), 106-119 (2013-11-28)
Biomarker identification and validation for radiation exposure is a rapidly expanding field encompassing the need for well defined animal models and advanced analytical techniques. The resources within the consortium, Medical Countermeasures Against Radiological Threats (MCART), provide a unique opportunity for...
Tracey Gous et al.
Therapeutic drug monitoring, 36(5), 597-605 (2014-04-04)
Direct oral anticoagulants (DOACs) are prescribed for systemic anticoagulation. Fixed doses are recommended, but dose individualization may be warranted. Functional coagulation assays may be available, but their use requires knowledge of the drug taken. To provide alternative methodology for guiding...
Anja S Hoefle et al.
The Journal of nutrition, 145(3), 467-475 (2015-03-04)
Casein is considered a slowly digestible protein compared with whey protein, and this may cause differences in hormone responses and the kinetics of delivering amino acids into the circulation. We investigated whether postprandial plasma hormone and metabolite responses were different...
Junli Lin et al.
Journal of ocular pharmacology and therapeutics : the official journal of the Association for Ocular Pharmacology and Therapeutics, 31(1), 51-56 (2014-09-18)
To investigate the ocular pharmacokinetics of 1% naringenin eye drops following topical administration to rabbits. One drop (50 μL) of 1% naringenin eye drops was instilled into both eyes of each rabbit. The animals were sacrificed at predetermined intervals after...
Xiao Liu et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 980, 88-93 (2015-01-20)
Most herbal medicines are prescribed in combination based on the theory of TCM to obtain synergistic effects or diminish the possible adverse reactions. Compatibility refers to the combination of two or more herbs based on the clinical settings and the...
Eleni Kalogria et al.
Chromatographia, 77(19-20), 1275-1281 (2014-10-04)
This article describes the development and validation of a selective high-performance liquid chromatography method that allows, after liquid-liquid extraction and pre-column derivatization reaction with quercetin, the quantification of aluminium chlorohydrate in antiperspirant creams. Chromatographic separation was achieved on an XTerra...
Miao Hao et al.
PloS one, 3(7), e2697-e2697 (2008-07-17)
Ginseng, a traditional herbal medicine, may interact with several co-administered drugs in clinical settings, and ginsenosides, the major active components of ginseng, may be responsible for these ginseng-drug interactions (GDIs). Results from previous studies on ginsenosides' effects on human drug-metabolizing...
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