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Showing 1-30 of 100 results for "96566" within Papers
Maria Walczak et al.
Chirality, 24(8), 591-599 (2012-06-21)
A sensitive and stereospecific liquid chromatography-tandem mass spectrometry method for the quantitative determination of TWo8 enantiomers ((2RS)-1-(7-methoxy-1H-indol-4-yloxy)-3-(2-(2-methoxyphenoxy)ethylamino)-propan-2-ol) was developed and validated in rat serum and some tissues. Racemic TWo8 is a new chemical entity, and it has been shown to
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.
Elsa Petit et al.
PloS one, 8(1), e54337-e54337 (2013-02-06)
Clostridium phytofermentans, an anaerobic soil bacterium, can directly convert plant biomass into biofuels. The genome of C. phytofermentans contains three loci with genes encoding shell proteins of bacterial microcompartments (BMC), organelles composed entirely of proteins. One of the BMC loci
Allison L Zulli et al.
Bioorganic & medicinal chemistry letters, 22(8), 2807-2810 (2012-03-28)
Optimization of a series of aminomethyl ketone diamine H(3)R antagonists to reduce the brain exposure by lowering the pKa, led to molecules with improved pharmacokinetic properties. Compounds 9, 19, and 25 had high affinity for human H(3)R and demonstrated in
Zhi-Qiang Liu et al.
Journal of industrial microbiology & biotechnology, 41(7), 1145-1158 (2014-04-30)
A gene encoding halohydrin dehalogenase (HHDH) from Agrobacterium tumefaciens CCTCC M 87071 was cloned and expressed in Escherichia coli. To increase activity and stability of HHDH, 14 amino acid residues around the active site and substrate-binding pocket based on the
Fabrice Stehlin et al.
Optics letters, 37(22), 4651-4653 (2012-11-21)
Deep-UV lithography using high-efficiency phase mask has been developed to print 100 nm period grating on sol-gel based thin layer. High efficiency phase mask has been designed to produce a high-contrast interferogram (periodic fringes) under water immersion conditions for 244
Hanjin Shin et al.
Journal of liposome research, 24(2), 124-129 (2013-11-06)
As a first step in the development of novel liver-specific contrast agents using ethosomes for computed tomography (CT) imaging applications, we entrapped iodine within ethosomes, which are phospholipid vesicular carriers containing relatively high alcohol concentrations, synthesized using several types of
J A Flick et al.
Clinical chemistry, 33(7), 1211-1212 (1987-07-01)
Urinary excretion of orally administered lactulose is used as an index of intestinal permeability. We have developed a simple thin-layer chromatographic technique for measuring lactulose in urine, using silica gel 60 plates and a propanol-borate solvent system. Lactulose concentrations as
Alexandra J Dickinson et al.
Analytical and bioanalytical chemistry, 406(27), 7027-7036 (2014-07-02)
Sphingosine kinase (SK) is a promising therapeutic target in a number of cancers, including leukemia. Traditionally, SK has been measured in bulk cell lysates, but this technique obscures the cellular heterogeneity present in this pathway. For this reason, SK activity
H M Liebich et al.
Journal of chromatography, 239, 343-349 (1982-04-30)
The endogenous aliphatic alcohols ethanol, n-propanol, n-butanol, isobutanol and isopentanol in serum and urine were measured by gas chromatography-mass fragmentography. Whereas for the higher-molecular-weight alcohols extraction with dichloromethane is used, ethanol is determined by direct injection of serum and urine.
Stefan Opitz et al.
Analytical and bioanalytical chemistry, 407(4), 1107-1118 (2014-11-27)
Triton X-100 has been widely used in many analytical and preparative protocols for a long time. Nevertheless, mass spectrometry, chromatographic separation, and spectrophotometric readout may be considerably hampered by this detergent due to signal suppression, complex formation, and high blank
Kevork Hagopian et al.
PloS one, 10(4), e0124204-e0124204 (2015-04-17)
Shc proteins interact with the insulin receptor, indicating a role in regulating glycolysis. To investigate this idea, the activities of key glycolytic regulatory enzymes and metabolites levels were measured in skeletal muscle from mice with low levels of Shc proteins
Piyarat Weerachanchai et al.
Chemphyschem : a European journal of chemical physics and physical chemistry, 15(16), 3580-3591 (2014-08-26)
The total and partial solubility parameters (dispersion, polar and hydrogen-bonding solubility parameters) of ten ionic liquids were determined. Intrinsic viscosity approaches were used that encompassed a one-dimensional method (1D-Method), and two different three-dimensional methods (3D-Method1 and 3D-Method2). The effect of
B Sich et al.
Hypertension (Dallas, Tex. : 1979), 27(5), 1073-1078 (1996-05-01)
Endogenous digitalis-like factors in humans are presumably cardenolides and bufadienolides. To test whether bufadienolide-like substances may circulate in human blood, we used antibodies from rabbits against the bufadienolide proscillaridin A to measure the concentration of cross-reacting material in human plasma
Michal Fornalczyk et al.
Organic & biomolecular chemistry, 10(16), 3332-3342 (2012-03-17)
Two approaches have been developed for the enantioselective Reformatsky reaction of ethyl iododifluoroacetate with ketones to form a quaternary carbon centre using (1R,2S)-1-phenyl-2-(1-pyrrolidinyl)-1-propanol as the chiral ligand. Good yields and high enantioselectivities (80-91% ee) were achieved with a range of
Syame Khater et al.
Journal of chromatography. A, 1373, 197-210 (2014-12-09)
In enantioselective supercritical fluid chromatography (SFC) with chiral stationary phases (CSP), the elution strength of carbon dioxide is usually modulated by the use of polar organic solvents, also called modifiers. Alcohols like methanol, ethanol and isopropanol are the most commonly
Allergy to benzylamine and benzyl-1-amino-3 chloro-2 hydroxypropane.
W G van Ketel
Contact dermatitis, 11(3), 186-186 (1984-09-01)
C R Shen et al.
Metabolic engineering, 10(6), 312-320 (2008-09-09)
Production of higher alcohols via the keto-acid intermediates found in microorganism's native amino-acid pathways has recently shown promising results. In this work, an Escherichia coli strain that produces 1-butanol and 1-propanol from glucose was constructed. The strain first converts glucose
Sailyn Alfonso et al.
Clinical cancer research : an official journal of the American Association for Cancer Research, 20(14), 3660-3671 (2014-05-03)
Racotumomab-alum is an anti-idiotype vaccine targeting the NeuGcGM3 tumor-associated ganglioside. This clinical trial was conducted to provide a preliminary estimate of efficacy and safety of racotumomab as switch maintenance for patients with advanced non-small cell lung cancer (NSCLC). Patients with
Wilma I W Dodde et al.
Therapeutic drug monitoring, 25(4), 433-440 (2003-07-29)
We present a high-performance liquid chromatography (HPLC) method suitable for the analysis of epirubicin and its metabolite epirubicinol in saliva and plasma. Preparation of saliva and plasma samples was performed by extraction of analytes with a chloroform:2-propanol mixture (6:1, vol/vol)
Shu-Ling Lin et al.
Analytica chimica acta, 871, 57-65 (2015-04-08)
In this study, methacrylic acid (MAA) was incorporated with alkyl methacrylates to increase the hydrophilicity of the synthesized ethylene dimethacrylate-based (EDMA-based) monoliths for separating polar small molecules by capillary LC analysis. Different alkyl methacrylate-MAA ratios were investigated to prepare a
Nobuko Sugimoto et al.
Journal of agricultural and food chemistry, 63(7), 2106-2116 (2015-02-05)
The volatile ester and alcohol profiles of ripening apple fruit from 184 germplasm lines in the USDA Malus Germplasm Repository at the New York Agricultural Experiment Station in Geneva, NY, USA, were evaluated. Cluster analysis suggested biochemical relationships exist between
Huashan Zhao et al.
Scientific reports, 5, 7913-7913 (2015-01-22)
G protein-coupled receptors (GPCRs) mediate multiple key biological processes in the body. The orphan receptor GPR39 has been reported to be involved in various pathophysiological events. However, the function of GPR39 in skin biology remains unknown. Using a genetically engineered
Multi-method analysis of matured distilled alcoholic beverages for brand identification
Lehtonen JP, et al.
European Food Research and Technology, 208(5-6), 413-417 (1999)
Sheba D Bergman et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 18(33), 10393-10398 (2012-07-13)
A general directed Ru-catalyzed C(sp(3))-H α-alkylation protocol for piperidines (less-reactive substrates than the corresponding five-membered cyclic amines) has been developed. The use of a hindered alcohol (2,4-dimethyl-3-pentanol) as the solvent and catalyst activator, and a catalytic amount of trans-1,2-cyclohexanedicarboxylic acid
Kelong Wang et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 907, 79-86 (2012-09-25)
Phosphoinositides (PIs) and sphingolipids regulate many aspects of cell behavior and are often involved in disease processes such as oncogenesis. Capillary electrophoresis with laser induced fluorescence detection (CE-LIF) is emerging as an important tool for enzymatic assays of the metabolism
László Pál et al.
Immunopharmacology and immunotoxicology, 37(2), 193-201 (2015-02-19)
A large volume of alcoholic beverages containing aliphatic alcohols is consumed worldwide. Previous studies have confirmed the presence of ethanol-induced immunosuppression in heavy drinkers, thereby increasing susceptibility to infectious diseases. However, the aliphatic alcohols contained in alcoholic beverages might also
Mohammed I Walash et al.
Luminescence : the journal of biological and chemical luminescence, 29(5), 462-470 (2013-09-03)
A new, specific and sensitive reversed-phase high-performance liquid chromatography method was developed for the simultaneous determination of metolazone (MET) and losartan potassium (LOS). Good chromatographic separation was achieved within 6.0 min on a 150 × 4.6 mm i.d., 5 µm Waters, Ireland
Alfonso Pérez-Garrido et al.
Bioorganic & medicinal chemistry, 17(2), 896-904 (2008-12-06)
This paper reports a QSAR study for predicting the complexation of a large and heterogeneous variety of substances (233 organic compounds) with beta-cyclodextrins (beta-CDs). Several different theoretical molecular descriptors, calculated solely from the molecular structure of the compounds under investigation
Elias N Glaros et al.
The Journal of biological chemistry, 280(26), 24515-24523 (2005-05-14)
Cellular glycosphingolipid (GSL) storage is known to promote cholesterol accumulation. Although physical interactions between GSLs and cholesterol are thought to cause intracellular cholesterol "trapping," it is not known whether cholesterol homeostatic mechanisms are also impaired under these conditions. ApoA-I-mediated cholesterol
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