GF39088648

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Simultaneous determination of perfluorinated compounds and their potential precursors in mussel tissue and fish muscle tissue and liver samples by liquid chromatography-electrospray-tandem mass spectrometry.

I Zabaleta et al.

Journal of chromatography. A, 1387, 13-23 (2015-02-25)

An analytical method for the simultaneous determination in fish liver and muscle tissue and mussel samples of 14 perfluorinated compounds (PFCs), including three perfluoroalkylsulfonates (PFSAs), seven perfluorocarboxylic acids (PFCAs), three perfluorophosphonic acids (PFPAs) and perfluorooctanesulfonamide (PFOSA), and 10 potential precursors

A modified version of the Molly rumen model to quantify methane emissions from sheep.

I Vetharaniam et al.

Journal of animal science, 93(7), 3551-3563 (2015-10-07)

We modified the rumen submodel of the Molly dairy cow model to simulate the rumen of a sheep and predict its methane emissions. We introduced a rumen hydrogen (H2) pool as a dynamic variable, which (together with the microbial pool

A comparison of the sublethal and lethal toxicity of four pesticides in Hyalella azteca and Chironomus dilutus.

Simone Hasenbein et al.

Environmental science and pollution research international, 22(15), 11327-11339 (2015-03-26)

Laboratory toxicity testing is the primary tool used for surface water environmental risk assessment; however, there are critical information gaps regarding the sublethal effects of pesticides. In 10-day exposures, we assessed the lethal and sublethal (motility and growth) toxicities of

The glycosylation-dependent interaction of perlecan core protein with LDL: implications for atherosclerosis.

Yu-Xin Xu et al.

Journal of lipid research, 56(2), 266-276 (2014-12-22)

Perlecan is a major heparan sulfate (HS) proteoglycan in the arterial wall. Previous studies have linked it to atherosclerosis. Perlecan contains a core protein and three HS side chains. Its core protein has five domains (DI-DV) with disparate structures and

Mongolian Almond (Prunus mongolica Maxim): The Morpho-Physiological, Biochemical and Transcriptomic Response to Drought Stress.

Jǖgang Wang et al.

PloS one, 10(4), e0124442-e0124442 (2015-04-22)

Prunus mongolica Maxim, which is widely established in the Gobi Desert, shows extreme tolerance to drought. However, there is a lack of available transcriptomic resources for this species related to its response to water deficiency. To investigate the mechanisms that

Macronutrient cycles: themed issue.

Jill Crossman et al.

Environmental science. Processes & impacts, 16(7), 1548-1550 (2014-06-19)

Comparison of digestate from solid anaerobic digesters and dewatered effluent from liquid anaerobic digesters as inocula for solid state anaerobic digestion of yard trimmings.

Fuqing Xu et al.

Bioresource technology, 200, 753-760 (2015-11-18)

To select a proper inoculum for the solid state anaerobic digestion (SS-AD) of yard trimmings, digestate from solid anaerobic digesters and dewatered effluent from liquid anaerobic digesters were compared at substrate-to-inoculum (S/I) ratios from 0.2 to 2 (dry basis), and

Carbon cycling and storage in mangrove forests.

Daniel M Alongi

Annual review of marine science, 6, 195-219 (2014-01-11)

Mangroves are ecologically and economically important forests of the tropics. They are highly productive ecosystems with rates of primary production equal to those of tropical humid evergreen forests and coral reefs. Although mangroves occupy only 0.5% of the global coastal

Biomarkers of one-carbon metabolism are associated with biomarkers of inflammation in women.

Clare Abbenhardt et al.

The Journal of nutrition, 144(5), 714-721 (2014-03-22)

Folate-mediated one-carbon metabolism is essential for DNA synthesis, repair, and methylation. Perturbations in one-carbon metabolism have been implicated in increased risk of some cancers and may also affect inflammatory processes. We investigated these interrelated pathways to understand their relation. The

Incomplete Wood-Ljungdahl pathway facilitates one-carbon metabolism in organohalide-respiring Dehalococcoides mccartyi.

Wei-Qin Zhuang et al.

Proceedings of the National Academy of Sciences of the United States of America, 111(17), 6419-6424 (2014-04-16)

The acetyl-CoA "Wood-Ljungdahl" pathway couples the folate-mediated one-carbon (C1) metabolism to either CO2 reduction or acetate oxidation via acetyl-CoA. This pathway is distributed in diverse anaerobes and is used for both energy conservation and assimilation of C1 compounds. Genome annotations

Metabolite profile analysis reveals association of vitamin B-6 with metabolites related to one-carbon metabolism and tryptophan catabolism but not with biomarkers of inflammation in oral contraceptive users and reveals the effects of oral contraceptives on these processes.

Luisa Rios-Avila et al.

The Journal of nutrition, 145(1), 87-95 (2014-12-21)

The use of oral contraceptives (OCs) has been associated with low plasma pyridoxal 5'-phosphate (PLP). The functional consequences are unclear. To determine whether functional vitamin B-6 insufficiency occurs in OC users and is attributable to OCs, we investigated the associations

Ordered mesoporous carbon/Nafion as a versatile and selective solid-phase microextraction coating.

Jingbin Zeng et al.

Journal of chromatography. A, 1365, 29-34 (2014-09-25)

In this study, ordered mesoporous carbon (OMC) with large surface area (1019m(2)g(-1)), uniform mesoporous structure (pore size distribution centering at 4.2nm) and large pore volume (1.46cm(3)g(-1)) was synthesized using 2D hexagonally mesoporous silica MSU-H as the hard template and sucrose

sb203580 preconditioning recharges matrix-expanded human adult stem cells for chondrogenesis in an inflammatory environment - A feasible approach for autologous stem cell based osteoarthritic cartilage repair.

Ying Zhang et al.

Biomaterials, 64, 88-97 (2015-07-01)

Autologous stem cells are a promising cell source for cartilage regeneration; however, cell replicative senescence and joint posttraumatic inflammation provide challenges in bringing this treatment modality to fruition. In this study, we hypothesized that preconditioning with p38 MAPK inhibitor (sb203580)

The formation potential of haloacetonitriles in the Dez River water, Iran.

Mehdi Ahmadi et al.

Environmental technology, 35(17-20), 2347-2355 (2014-08-26)

The formation potential of haloacetonitriles (HANsFP) from chlorination of raw water of the Dez River in Iran was determined. Samples were collected before treatment at an intake of a water treatment plant. Tests were carried out to determine the effect

Mycobacterial gene cuvA is required for optimal nutrient utilization and virulence.

Mushtaq Mir et al.

Infection and immunity, 82(10), 4104-4117 (2014-07-23)

To persist and cause disease in the host, Mycobacterium tuberculosis must adapt to its environment during infection. Adaptations include changes in nutrient utilization and alterations in growth rate. M. tuberculosis Rv1422 is a conserved gene of unknown function that was

Unnatural base pairs: (n., pl.) man-made carbon-based molecules that can substitute for or extend the natural set of molecules that make up DNA.

Scientific American, 311(2), 21-21 (2014-08-07)

Influence of environmental factors on removal of oxides of nitrogen by a photocatalytic coating.

Clement J Cros et al.

Journal of the Air & Waste Management Association (1995), 65(8), 937-947 (2015-07-28)

Nitrogen oxides (NOx) emitted from combustion processes have elevated concentrations in large urban areas. They cause a range of adverse health effects, acid rain, and are precursors to formation of other atmospheric pollutants, such as ozone, peroxyacetyl nitrate, and inorganic

Stable gold(III) catalysts by oxidative addition of a carbon-carbon bond.

Chung-Yeh Wu et al.

Nature, 517(7535), 449-454 (2015-01-23)

Low-valent late transition-metal catalysis has become indispensable to chemical synthesis, but homogeneous high-valent transition-metal catalysis is underdeveloped, mainly owing to the reactivity of high-valent transition-metal complexes and the challenges associated with synthesizing them. Here we report a carbon-carbon bond cleavage

Hydrogenase-independent uptake and metabolism of electrons by the archaeon Methanococcus maripaludis.

Svenja T Lohner et al.

The ISME journal, 8(8), 1673-1681 (2014-05-23)

Direct, shuttle-free uptake of extracellular, cathode-derived electrons has been postulated as a novel mechanism of electron metabolism in some prokaryotes that may also be involved in syntrophic electron transport between two microorganisms. Experimental proof for direct uptake of cathodic electrons

Flagella interacting with a carbon nanowire with the variation of time and initial temperature.

Elson C Santos et al.

Journal of nanoscience and nanotechnology, 14(6), 4590-4594 (2014-04-18)

The system proposed consists of a flagellum relaxing around a static carbon nanowire to mimics behavior of a natural flagellum moving with damped harmonic motion along a wire under van der Waals and electrostatic forces. This flagellum is composed of

Carbon dioxide conversion over carbon-based nanocatalysts.

Mehrnoush Khavarian et al.

Journal of nanoscience and nanotechnology, 13(7), 4825-4837 (2013-08-02)

The utilization of carbon dioxide for the production of valuable chemicals via catalysts is one of the efficient ways to mitigate the greenhouse gases in the atmosphere. It is known that the carbon dioxide conversion and product yields are still

Advanced materials for separation science. Foreword.

Colin F Poole

Journal of chromatography. A, 1357, 1-1 (2014-07-21)

Amphiphilic chitosan-grafted-functionalized polylactic acid based nanoparticles as a delivery system for doxorubicin and temozolomide co-therapy.

Antonio Di Martino et al.

International journal of pharmaceutics, 474(1-2), 134-145 (2014-08-16)

The aim of this work was to investigate the potential of an amphiphilic system comprising chitosan-grafted polylactide and carboxyl-functionalized polylactide acid as a carrier for the controlled release and co-release of two DNA alkylating drugs: doxorubicin and temozolomide. Polylactide and

Effects of condensed tannin fractions of different molecular weights from a Leucaena leucocephala hybrid on in vitro methane production and rumen fermentation.

Mookiah Saminathan et al.

Journal of the science of food and agriculture, 95(13), 2742-2749 (2014-11-25)

Molecular weights (MWs) and their chemical structures are the primary factors determining the influence of condensed tannins (CTs) on animal nutrition and methane (CH4 ) production in ruminants. In this study the MWs of five CT fractions from Leucaena leucocephala

Ensiling of seaweed for a seaweed biofuel industry.

Christiane Herrmann et al.

Bioresource technology, 196, 301-313 (2015-08-09)

Effective biogas production from seaweed necessitates harvest at times of peak quality of biomass and low-loss preservation for year-around supply. Ensiling of five seaweed species and storage up to 90days was investigated as a method to preserve the methane yield

Design, synthesis and characterisation of new chimeric ruthenium(II)-gold(I) complexes as improved cytotoxic agents.

Lara Massai et al.

Dalton transactions (Cambridge, England : 2003), 44(24), 11067-11076 (2015-05-23)

Two heterobimetallic complexes, i.e. [RuCl2(p-cymene)(μ-dppm)AuC] (1) and [RuCl2(p-cymene)(μ-dppm)Au(S-thiazoline)] (3), based on known cytotoxic [Ru(p-cymene)Cl2(PR3)] and [AuX(PR3)] (X = Cl, SR) molecular scaffolds, with the diphosphane linker 1,1-bis(diphenylphosphino)methane, dppm, were conveniently prepared and characterised. Remarkably, the new compounds manifested a more

Reduction of aryl halides by consecutive visible light-induced electron transfer processes.

Indrajit Ghosh et al.

Science (New York, N.Y.), 346(6210), 725-728 (2014-11-08)

Biological photosynthesis uses the energy of several visible light photons for the challenging oxidation of water, whereas chemical photocatalysis typically involves only single-photon excitation. Perylene bisimide is reduced by visible light photoinduced electron transfer (PET) to its stable and colored

The role of nanostructures and hydrophilicity in osseointegration: In-vitro protein-adsorption and blood-interaction studies.

Brigitte S Kopf et al.

Journal of biomedical materials research. Part A, 103(8), 2661-2672 (2015-01-30)

Protein adsorption and blood coagulation play important roles in the early stages of osseointegration and are strongly influenced by surface properties. We present a systematic investigation of the influence of different surface properties on the adsorption of the blood proteins

Relating mRNA and protein biomarker levels in a Dehalococcoides and Methanospirillum-containing community.

Annette R Rowe et al.

Applied microbiology and biotechnology, 99(5), 2313-2327 (2014-12-04)

To better understand the quantitative relationships between messenger RNA (mRNA) and protein biomarkers relevant to bioremediation, we quantified and compared respiration-associated gene products in an anaerobic syntrophic community. Respiration biomarkers for Dehalococcoides, an organohalide reducer, and Methanospirillum, a hydrogenotrophic methanogen

Semi-continuous anaerobic co-digestion of sugar beet byproduct and pig manure: Effect of the organic loading rate (OLR) on process performance.

Kaoutar Aboudi et al.

Bioresource technology, 194, 283-290 (2015-07-27)

Anaerobic co-digestion of dried pellet of exhausted sugar beet cossettes (ESBC-DP) with pig manure (PM) was investigated in a semi-continuous stirred tank reactor (SSTR) under mesophilic conditions. Seven hydraulic retention times (HRT) from 20 to 5 days were tested with

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