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Showing 1-30 of 85 results for "179191" within Papers
Michael H Abraham et al.
European journal of medicinal chemistry, 44(2), 885-890 (2008-07-08)
The convulsant activity of 48 compounds studied by Eger et al. has been analyzed using an Abraham solvation equation. Four compounds identified by Eger et al. as more potent than expected were similarly identified, and for the remaining 44 compounds
Susana Grimalt et al.
Analytical and bioanalytical chemistry, 407(11), 3083-3091 (2015-01-30)
The feasibility of the production of a reference material for pesticide residue analysis in a cucumber matrix was investigated. Cucumber was spiked at 0.075 mg/kg with each of the 15 selected pesticides (acetamiprid, azoxystrobin, carbendazim, chlorpyrifos, cypermethrin, diazinon, (α + β)-endosulfan, fenitrothion, imazalil
Fotini A Trikka et al.
BMC genomics, 16, 935-935 (2015-11-18)
Salvia diterpenes have been found to have health promoting properties. Among them, carnosic acid and carnosol, tanshinones and sclareol are well known for their cardiovascular, antitumor, antiinflammatory and antioxidant activities. However, many of these compounds are not available at a
Jianhua Xu et al.
The journal of physical chemistry. B, 119(11), 4230-4239 (2015-02-25)
Time dependent fluorescence Stokes (emission wavelength) shifts (TDFSS) from tryptophan (Trp) following sub-picosecond excitation are increasingly used to investigate protein dynamics, most recently enabling active research interest into water dynamics near the surface of proteins. Unlike many fluorescence probes, both
Xizheng Yan et al.
Nicotine & tobacco research : official journal of the Society for Research on Nicotine and Tobacco, 17(11), 1324-1330 (2015-02-05)
We developed a high throughput method for estimating smoker's mainstream smoke intake on a per-cigarette basis by analyzing discarded cigarette butts. This new method utilizes ultraviolet/visible (UV-Vis) spectrophotometric analysis of isopropanol-soluble smoke particulate matter extracted from discarded cigarette filters. When
Bin Huang et al.
Environmental science and pollution research international, 21(22), 12898-12908 (2014-07-01)
The occurrence and behavior of endocrine disrupting chemicals (EDCs) in sewage treatment plants (STPs), especially estrogens and phenols, have been closely concerned in previous studies. However, the systematical researches about progestogens and androgens were scarce in STPs adopting different treatment
Joséphine K Ntumba et al.
Lipids, 50(3), 313-322 (2014-12-30)
The total oil production capacity of isano oil is estimated at about 10,000 tons annually. Previous studies of this oil revealed that it is rich in fatty acids including a conjugated diyne moiety. This makes isano oil an excellent candidate
Brian D Fitz et al.
Journal of chromatography. A, 1392, 82-90 (2015-03-31)
Low thermal mass gas chromatography (LTM-GC) was evaluated for rapid, high peak capacity separations with three injection methods: liquid, headspace solid phase micro-extraction (HS-SPME), and direct vapor. An Agilent LTM equipped with a short microbore capillary column was operated at
Lin Yuan et al.
Journal of nanoscience and nanotechnology, 15(12), 9887-9891 (2015-12-19)
A new chiral 1,3-dioxane compound was synthesized by aldol condensation reaction in this paper. The reaction of cinnamic aldehyde with 2.1 equiv. of 2,2-bis(hydroxymethyl) butanol in N,N-dimethylformamide and cyclohexane, nanosolid superacid SO4(2-)/Fe2O3 was applied as catalyst, afforded the new chiral
Liang Meng et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 989, 46-53 (2015-03-25)
Two microextraction techniques based on hollow fiber liquid-phase microextraction (HF-LPME) and ultrasound-assisted low-density solvent dispersive liquid-liquid microextraction (UA-LDS-DLLME) had been applied for the determination of drugs of abuse (methamphetamine, amphetamine, 3,4-methylenedioxymethamphetamine, 3,4-methylenedioxyamphetamine, methcathinone, ketamine, meperidine, and methadone) in urine and
Vinod Vellora Thekkae Padil et al.
Journal of agricultural and food chemistry, 63(14), 3757-3765 (2015-03-24)
Esterifications of the tree-based gum, gum karaya (GK), using dodecenylsuccinic anhydride (DDSA) were carried out in aqueous solutions. GK was deacetylated using alkali treatment to obtain deacetylated gum karaya (DGK). The DGK and its DDSA derivative were characterized using gel
Cyclohexane dehydrogenation over Ni-Cu/SiO 2 catalyst: Effect of copper addition.
Xia Z, et al.
Catalysis Communications, 90, 39-42 (2017)
Samuel Kim et al.
Methods in enzymology, 472, 119-132 (2010-06-29)
Microfluidics serves as a convenient platform for single-molecule experiments by providing manipulation of small amounts of liquids and micron-sized particles. An adapted version of capillary electrophoresis (CE) on a microchip can be utilized to separate chemical species with high resolution
Hao-Wen Ko et al.
Macromolecular rapid communications, 36(5), 439-446 (2015-01-27)
Multi-component polymer nanomaterials have attracted great attention because of their applications in areas such as biomedicine, tissue engineering, and organic solar cells. The precise control over the morphologies of multi-component polymer nanomaterials, however, is still a great challenge. In this
Thomas Berg et al.
Journal of chromatography. A, 1344, 83-90 (2014-05-02)
Stable isotope-labeled internal standards (SIL-ISs) are often used when applying liquid chromatography-tandem mass spectrometry (LC-MS/MS) to analyze for legal and illegal drugs. ISs labeled with (13)C, (15)N, and (18)O are expected to behave more closely to their corresponding unlabeled analytes
Ying Tong et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 978-979, 173-178 (2015-01-01)
To study the systemic exposure of tazarotene formulation after topical administration, a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method was developed and validated for the simultaneous determination of tazarotene and tazarotenic acid in minipig plasma. Similar extraction recoveries for both analytes
Masakazu Nagafuku et al.
Glycobiology, 25(3), 303-318 (2014-10-12)
Ganglioside GM3 (Siaα2-3Galβ1-4Glcβ1-1Cer) has been known to participate in insulin signaling by regulating the association of the insulin receptor in caveolae microdomains (lipid rafts), which is essential for the execution of the complete insulin metabolic signaling in adipocytes. Macrophage-secreted factors
Sandra Yucra et al.
Environmental health : a global access science source, 7, 59-59 (2008-11-19)
Organophosphates are broad class of chemicals widely used as pesticides throughout the world. We performed a cross-sectional study of associations between dialkylphosphate metabolites of organophosphates and semen quality among pesticide applicators in Majes (Arequipa), Peru. Thirty-one men exposed to organophosphate
Fa Zhang et al.
Microbial cell factories, 14, 175-175 (2015-11-07)
Escherichia coli has emerged as a promising platform microorganism to produce biofuels and fine chemicals of industrial interests. Certain obstacles however remain to be overcome, among which organic-solvent tolerance is a crucial one. We used global transcription machinery engineering (gTME)
Rebecca L Cordell et al.
Analytical and bioanalytical chemistry, 406(22), 5283-5292 (2014-06-21)
Biomass burning is becoming an increasing contributor to atmospheric particulate matter, and concern is increasing over the detrimental health effects of inhaling such particles. Levoglucosan and related monosaccharide anhydrides (MAs) can be used as tracers of the contribution of wood
Osamu Kiguchi et al.
Journal of chromatography. A, 1370, 246-254 (2014-12-03)
To assess food safety emergencies caused by highly hazardous chemical-tainted foods, simultaneous analysis of organophosphorus insecticides in fatty foods such as precooked foods was conducted using thin-layer chromatography/direct analysis in real time time-of-flight mass spectrometry (TLC/DART-TOFMS) and isotope dilution technique.
Delphine Parrot et al.
Phytochemical analysis : PCA, 26(1), 23-33 (2014-08-19)
Lichens are self-sustaining partnerships comprising fungi as shape-forming partners for their enclosed symbiotic algae. They produce a tremendous diversity of metabolites (1050 metabolites described so far). A comparison of metabolic profiles in nine lichen species belonging to three genera (Lichina
R Zena et al.
Ecotoxicology and environmental safety, 122, 116-125 (2015-08-02)
Polycyclic aromatic hydrocarbons (PAHs) can accumulate in the food chain, due to their lipophilic properties. Fish can accumulate contaminants including PAHs and frequent consumption of such contaminated fish can pose risk to human health. The aim of this study was
Silvia Zarate-Muñoz et al.
Langmuir : the ACS journal of surfaces and colloids, 31(44), 12000-12008 (2015-10-16)
The hydrophobicity of surfactants has been described through different concepts used to guide the formulation of surfactant-water (SW) and surfactant-oil-water (SOW) systems. An integrated framework of hydrophobicity indicators could provide a complete tool for surfactant characterization, and insights on how
Ayşegül Doğan et al.
Materials science & engineering. C, Materials for biological applications, 44, 246-253 (2014-10-05)
Scaffold-based bone defect reconstructions still face many challenges due to their inadequate osteoinductive and osteoconductive properties. Various biocompatible and biodegradable scaffolds, combined with proper cell type and biochemical signal molecules, have attracted significant interest in hard tissue engineering approaches. In
Cheong Hoon Lee et al.
Talanta, 129, 552-559 (2014-08-17)
Because of the high stability and potential toxic effects of non-steroidal anti-inflammatory drugs (NSAIDs), it is important to closely monitor their concentrations in the environment using a sensitive analytical method. In this study, a simple, rapid, efficient, and sensitive analytical
Radosław Drozd et al.
Biological trace element research, 168(2), 421-428 (2015-06-06)
The aim of the study was to evaluate the effect of low concentrations of selenium in the environment on the activity of selected antioxidant enzymes: Se-GSHPx, total GSHPx, SOD, CAT, and GST as well as fatty acid profile in the
Shuangshuang Ding et al.
Environmental science and pollution research international, 22(21), 17171-17181 (2015-07-04)
The objectives of this work are to track the contamination levels, distribution characteristics, and sources of polychlorinated biphenyls (PCBs) and organochlorine pesticides (OCPs) in atmospheric particulate matter (APM) of Northern China and to provide more comprehensive and fundamental data for
Cyclohexane oxidation continues to be a challenge.
Schuchardt ULF, et al.
Applied Catalysis A: General, 211(1), 1382-1386 (2012)
Chao Yu et al.
Journal of hazardous materials, 283, 519-528 (2014-12-03)
Manganese oxide nanoparticles (MnO NPs) have been regarded as a new class of T1-positive contrast agents. The cytotoxicity of silica coated MnO NPs (MnO@SiO2 NPs) was investigated in human cervical carcinoma cells (HeLa) and mouse fibroblast cells (L929). The changes
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