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270997

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Panagiotis A Vorkas et al.
International journal of cardiology, 197, 192-199 (2015-07-05)
Controversy exists concerning the beneficial or harmful effects of the presence of ectopic calcification in the coronary arteries. Additionally, further elucidation of the exact pathophysiological mechanism is needed. In this study, we sought to identify metabolic markers of vascular calcification...
Nicholas Schramek et al.
Journal of pharmaceutical and biomedical analysis, 96, 45-53 (2014-04-15)
A dietary supplement sold in erotic shops was analysed. It contains dithiodesmethylcarbodenafil as the major component, which was already reported as an adulterant in dietary supplements. Additionally three more compounds were found and their structures were elucidated after isolation using...
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...
Ryota Ezoe et al.
Analytica chimica acta, 853, 508-513 (2014-12-04)
Triacetone triperoxide (TATP), an explosive compound, was measured using gas chromatography combined with multiphoton ionization time-of-flight mass spectrometry (GC/MPI-TOFMS). By decreasing the pulse width of a femtosecond laser from 80 to 35 fs, a molecular ion was drastically enhanced and...
Yanli Cui et al.
Carbohydrate research, 407, 51-54 (2015-02-24)
We herein report an efficient synthesis of β-glycosyl 1-ester in room-temperature ionic liquids (RTILs) promoted via silver salt and quaternary ammonium salt (PTC) with good or excellent yields. All products were isolated exclusively as the β-anomers. Four different RTILs, eight...
V Mistretta et al.
Acta clinica Belgica, 69(1), 53-61 (2014-03-19)
Azole antifungals are a group of fungistatic agents that can be administered orally or parenterally. The determination of the concentrations of these antifungals (miconazole, fluconazole, ketoconazole, posaconazole, voriconazole, itraconazole, and its major active metabolite, hydroxy-itraconazole) in serum can be useful...
Vicente Ferreira et al.
Journal of chromatography. A, 1407, 30-41 (2015-07-15)
SPME is extremely sensitive to experimental parameters affecting liquid-gas and gas-solid distribution coefficients. Our aims were to measure the weights of these factors and to design a multivariate strategy based on the addition of a pool of internal standards, to...
Nhung T T Dang et al.
European journal of pharmaceutics and biopharmaceutics : official journal of Arbeitsgemeinschaft fur Pharmazeutische Verfahrenstechnik e.V, 88(2), 406-414 (2014-06-03)
Polycaprolactone (PCL) matrices were simultaneously loaded with the antiviral agents, tenofovir (TFV) and nevirapine (NVP), in combination to provide synergistic activity in the prevention of HIV transmission through the vaginal route. TFV and NVP were incorporated in PCL matrices at...
Efficient Preparation of 2-Bromo-6-lithiopyridine via Lithium? Bromine Exchange in Dichloromethane
Peterson MA & Mitchell JR
The Journal of Organic Chemistry, 62(23), 8237-8239 (1997)
Bin Zheng et al.
European journal of pharmaceutical sciences : official journal of the European Federation for Pharmaceutical Sciences, 77, 254-264 (2015-06-28)
Proliposomes containing a bile salt were developed to improve the oral bioavailability of Ginkgo biloba extract (GbE). GbE loaded proliposomes (P-GbE) were successfully prepared by spray drying method. The formulation was optimized using the response surface methodology. FE-SEM, DSC, and...
Iain M McIntyre et al.
Journal of analytical toxicology, 39(2), 152-155 (2014-12-18)
A 24-year-old man whose medical history was significant for alcohol abuse and depression was found unresponsive in bed. He had several prior suicide attempts with 'pills' and had also been hospitalized for an accidental overdose on a previous occasion. Autopsy...
Xiaosi Gu et al.
Human brain mapping, 36(9), 3323-3338 (2015-05-23)
Accumulating evidence suggests that autonomic signals and their cortical representations are closely linked to emotional processes, and that related abnormalities could lead to social deficits. Although socio-emotional impairments are a defining feature of autism spectrum disorder (ASD), empirical evidence directly...
Elizabeth Cocks et al.
Pharmaceutical research, 31(8), 2000-2009 (2014-02-20)
This work investigates the feasibility of delivering large (≈ 25 μm) porous poly (lactide-co-glycolide) (PLGA) microparticles containing a model protein via pressurised metered dose inhaler (pMDI). Porous PLGA microparticles were prepared by modified double emulsion method as pMDI suspension based systems...
Hui Zhang et al.
Talanta, 143, 7-18 (2015-06-17)
A multi-residue analytical method was developed involving co-extraction and simultaneous determination of 89 hydrophobic organic contaminants (HOCs) in marine sediments and biota using gas chromatography-electron ionization-triple quadrupole mass spectrometry (GC-EI-MS/MS) and liquid chromatography-electrospray ionization-triple quadrupole mass spectrometry (LC-ESI-MS/MS). Target analytes...
Fu-Chen Kung et al.
Materials science & engineering. C, Materials for biological applications, 45, 578-588 (2014-12-11)
Electrospun fiber sheets with various orientations (random, partially aligned, and aligned) and smooth and roughened casted membranes were prepared. Hydroxyapatite (HA) crystals were in situ formed on these material surfaces via immersion in 10× simulated body fluid solution. The size...
Dan Zheng et al.
Cellular physiology and biochemistry : international journal of experimental cellular physiology, biochemistry, and pharmacology, 36(3), 917-929 (2015-06-20)
Oxidative stress inducing hyperglycemia and high glucose play an important role in the development of cardiac fibrosis associated with diabetic cardiomyopathy. The endogenous gasotransmitter hydrogen sulfide (H2S) can act in a cytoprotective manner. However, whether H2S could inhibit the fibrotic...
Cecilia Janér et al.
Neonatology, 107(1), 27-33 (2014-10-11)
Respiratory distress due to inadequate lung liquid clearance is a significant problem in infants delivered late preterm or early term, especially by elective cesarean delivery (CD). Lung liquid clearance depends on epithelial ion transport and in animals is induced by...
Xiaoxia Yang et al.
Environmental science and pollution research international, 22(9), 6696-6712 (2014-11-26)
The concentrations, distribution, possible sources, and cancer risks of polycyclic aromatic hydrocarbons (PAHs) in total suspended particles (TSPs) and surface soils collected from the same sampling spots were compared in Kunming, China. The total PAH concentrations were 9.35-75.01 ng/m(3) and...
Joshua K Michener et al.
Journal of bacteriology, 196(11), 2101-2107 (2014-04-01)
Horizontal gene transfer plays a crucial role in microbial evolution. While much is known about the mechanisms that determine whether physical DNA can be transferred into a new host, the factors determining the utility of the transferred genes are less...
Yizhe Chen et al.
International journal of hyperthermia : the official journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group, 30(8), 550-564 (2014-11-19)
Hepatocellular carcinoma (HCC) suffers high tumour recurrence rate after thermal ablation. Heat shock protein 90 (Hsp90) induced post-ablation is critical for tumour survival and progression. A combination therapy of thermal ablation and polymer conjugated Hsp90 chemotherapy was designed and evaluated...
David C Trumbore et al.
Journal of occupational and environmental hygiene, 12(8), 564-576 (2015-03-26)
We studied exposure of 151 workers to polycyclic aromatic compounds and asphalt emissions during the manufacturing of asphalt roofing products-including 64 workers from 10 asphalt plants producing oxidized, straight-run, cutback, and wax- or polymer-modified asphalts, and 87 workers from 11...
Y Ilieva et al.
Biotechnology letters, 36(11), 2177-2183 (2014-07-23)
Purpose of work: The study was aimed to assess the antineoplastic activity of justicidin B in vitro and to search for its general toxicological profile in vivo. The anti-neoplastic activity of the arylnaphthalene lignin, justicidin B, was assessed in a...
Min Yang et al.
PloS one, 9(12), e115052-e115052 (2015-01-01)
Intercropping systems could increase crop diversity and avoid vulnerability to biotic stresses. Most studies have shown that intercropping can provide relief to crops against wind-dispersed pathogens. However, there was limited data on how the practice of intercropping help crops against...
Michelle L Hladik et al.
The Science of the total environment, 542(Pt A), 469-477 (2015-11-02)
The awareness of insects as pollinators and indicators of environmental quality has grown in recent years, partially in response to declines in honey bee (Apis mellifera) populations. While most pesticide research has focused on honey bees, there has been less...
Lucia Cenci et al.
Journal of nanobiotechnology, 13, 51-51 (2015-08-28)
Molecularly imprinted polymer (MIP) technique is a powerful mean to produce tailor made synthetic recognition sites. Here precipitation polymerization was exploited to produce a library of MIP nanoparticles (NPs) targeting the N terminus of the hormone Hepcidin-25, whose serum levels...
Randall A Meyer et al.
Journal of biomedical materials research. Part A, 103(8), 2747-2757 (2015-02-03)
Anisotropic polymeric particles are of growing interest for biomaterials applications due to their unique properties. These include the ability for these particles to evade nonspecific cellular uptake and to have enhanced targeted cellular uptake and interaction. One of the most...
L Mijangos et al.
Journal of chromatography. A, 1389, 8-18 (2015-03-10)
The present study is focused on the development of an analytical method based on focused ultrasonic solid-liquid extraction (FUSLE) followed by dispersive solid-phase extraction (dSPE) clean-up and liquid chromatography-triple quadrupole tandem mass spectrometry (LC-MS/MS) optimised for the simultaneous analysis of...
Paul D Sainsbury et al.
Bioorganic chemistry, 60, 102-109 (2015-05-20)
Bacterial lignin degradation could be used to generate aromatic chemicals from the renewable resource lignin, provided that the breakdown pathways can be manipulated. In this study, selective inhibitors of enzymatic steps in bacterial degradation pathways were developed and tested for...
Massimiliano Sgroi et al.
Water research, 70, 174-183 (2014-12-22)
Full-scale experiments to evaluate N-nitrosodimethylamine (NDMA) formation and attenuation were performed within an advanced indirect potable reuse (IPR) treatment system, which includes, sequentially: chloramination for membrane fouling control, microfiltration (MF), reverse osmosis (RO), ultraviolet irradiation with hydrogen peroxide (UV/H₂O₂), final...
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...
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