Search Within


Applied Filters:
Showing 1-30 of 37 results for "90350" within Papers
Isabel Rodríguez et al.
International journal of pharmaceutics, 529(1-2), 168-177 (2017-06-28)
This study investigates how both bioadhesive polymers (chitosan, hyaluronic acid and alginate) and permeability enhancers (ethylene glycol- bis(2-aminoethylether)- N, N, N', N'- tetraacetic acid (EGTA) and hydroxypropyl-ß-cyclodextrin) influence the permeability of the anti-glaucoma drug timolol maleate through ex vivo bovine
Y SUGINO et al.
The Journal of biological chemistry, 239, 2360-2364 (1964-07-01)
Ana R Ribeiro et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 47(13), 2151-2158 (2012-08-09)
The biodegradation of five pharmaceutical ingredients (PIs) of different therapeutic classes, namely antibiotics (trimethoprim, sulfametoxazole and ciprofloxacin), anti-inflammatory (diclofenac) and anti-epileptic (carbamazepine), by two distinct microbial consortia, was investigated. For the monitoring of biodegradation assays, a simple HPLC-DAD (High Performance
Moritz Wolf et al.
ChemCatChem, 12(4), 1085-1094 (2020-03-21)
Supported Catalytically Active Liquid Metal Solutions (SCALMS) were recently described as a new class of heterogeneous catalysts, where the catalytic transformation takes place at the highly dynamic interface of a liquid alloy. Their application in alkane dehydrogenation has been claimed
S Bakkialakshmi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 105, 557-562 (2013-01-29)
Fluorescence quenching of Rhodamine B base (RhB) in DMF solution has been studied at different concentrations of the amine Triethyl amine (TEA) and n-butyl amine (NBA) at room temperature. It has been observed that the fluorescence intensity of RhB decrease
Abby R Jennings et al.
Chemical communications (Cambridge, England), 49(33), 3467-3469 (2013-03-22)
Multifunctional thiols were synthesized by the selective reaction of chlorosilanes with mercaptoalcohols. Reaction of the mercaptoalcohols through the thiol group was not observed. Utilizing this method, thiols of varying structural diversity were prepared.
Qi Zhou et al.
Journal of chromatography. A, 1238, 60-67 (2012-04-03)
Using a combination of molecular imprinting technology and traditional chiral stationary phases, the synergistic effect between chiral monomer and chiral cavity of molecularly imprinted polymers in stereoselective recognition was investigated. We designed and synthesized an amino acid derivative to be
Małgorzata Jaworska et al.
Amino acids, 43(4), 1653-1661 (2012-02-22)
A new approach for the separation of 6-aminoquinolyl-carbamyl (AQC)-derivatized amino acids has been proposed. The chromatography used ion-pairing mechanism to increase the method selectivity. Mobile phase was based on triethylamine buffer containing N,N-dimethyloctylamine as a modifier. A number of factors
Barbara L Gaffney et al.
Current protocols in nucleic acid chemistry, Chapter 14, Unit 14-Unit 14 (2012-03-08)
The bacterial signaling molecule, cyclic diguanosine monophosphate (c-di-GMP), plays a key role in controlling biofilm formation and pathogenic virulence, among many other functions. It has widespread consequences for human health, and current research is actively exploring its molecular mechanisms. The
A Guesmi et al.
Ultrasonics sonochemistry, 20(1), 571-579 (2012-06-09)
Cationization of cotton fabric was conferred by the sonicator reaction of cellulose with bromoacetyl bromide, followed by substitution of the terminal bromo groups by triethylamine. Experiments showed that the optimal volume of bromoacetyl bromide necessary to succeed the first stage
Samit Majumder et al.
Inorganic chemistry, 51(16), 8739-8749 (2012-08-09)
The work in the present investigation reports the syntheses, structures, steady state, and time-resolved photophysical properties of a tetraiminodiphenol macrocyclic ligand H(2)L and its eight dinuclear zinc(II) complexes and one cadmium(II) complex having composition [Zn(2)L(H(2)O)(2)](ClO(4))(2)·2CH(3)CN (1), [Zn(2)L(H(2)O)(2)](ClO(4))(2)·2dmf (2), [Zn(2)L(H(2)O)(2)](NO(3))(2)·2dmf (3)
Suresh Dharuman et al.
The Journal of organic chemistry, 78(17), 8442-8450 (2013-08-13)
A reagent system comprising tetrabutylammonium nitrate-trifluoroacetic anhydride-triethylamine has been developed for the synthesis of 2-nitroglycals from various protected glycals. The base-catalyzed Ferrier rearrangement on tri-O-acetylated 2-nitroglycals has been reported for the first time. Reactivity of these nitroacetates and associated selectivity
Sven Hansen et al.
ChemSusChem, 6(1), 92-101 (2012-11-14)
Water reduction systems that use a bis-cyclometalated Ir(III) photosensitiser (PS) along with homogeneous Pd complexes as a source of in-situ-formed colloidal Pd as the water reducing complex (WRC) and triethylamine (TEA) as the sacrificial electron donor were tested and characterised
Thi Thanh Thuy Pham et al.
Journal of chromatography. B, Analytical technologies in the biomedical and life sciences, 907, 74-78 (2012-09-25)
A new approach for the determination of free and total valproic acid in small samples of 140 μL human plasma based on capillary electrophoresis with contactless conductivity detection is proposed. A dispersive liquid-liquid microextraction technique was employed in order to
Buyun Chen et al.
Journal of the American Society for Mass Spectrometry, 24(2), 257-264 (2013-01-18)
The chemical composition of the solution has a critical impact on the electrospray desorption efficiency of oligonucleotides. Several physiochemical properties of various organic modifiers were investigated with respect to their role in the desorption process of oligonucleotides. The Henry's Law
Eugenio Hardy et al.
Analytical biochemistry, 430(2), 203-213 (2012-09-11)
Nanoaggregates composed of selected glycoforms from Escherichia coli 055:B5 lipopolysaccharide (LPS) were prepared by combining sodium dodecyl sulfate (SDS)-polyacrylamide gel electrophoresis, zinc-imidazole reverse staining, zinc chelation after cutting gel slices, elution with either 0.5% triethylamine (TEA) or 0.4% to 0.5%
Pierre-Edouard Danjou et al.
Ultrasonics sonochemistry, 19(6), 1201-1204 (2012-05-23)
A series of oligo(ethylene glycols) was efficiently tosylated by ultrasound procedure within dichloromethane in the presence of triethylamine. Results show that sonochemical synthesis of oligo(ethylene glycol) ditosylates has a double advantage since it does not use catalysts and it drastically
Juan M Padró et al.
Analytica chimica acta, 725, 87-94 (2012-04-17)
A new automated and rapid potentiometric method for determining the effect of organic-solvent composition on pK(a) has been developed. It is based on the measurements of pH values of buffer solutions of variable solvent compositions using a combined glass electrode.
Adam Fekete et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 34(42), 14032-14045 (2014-10-17)
Mitral cells express low-voltage activated Cav3.3 channels on their distal apical tuft dendrites (McKay et al., 2006; Johnston and Delaney, 2010). They also discharge Na(+)-dependent dendritic action potentials and release glutamate from these dendrites. Around resting membrane potentials, between -65
Vincenzo Ferrone et al.
Journal of pharmaceutical and biomedical analysis, 140, 266-273 (2017-04-04)
An ultra high-performance liquid chromatographic (UHPLC) method with PDA detection was developed and validated for the simultaneous quantification of meropenem, linezolid, and levofloxacin in human plasma and applied in human plasma of critical care patients. A semi-automated microextraction by packed
Synthesis of beta-lactams via diastereoselective, intramolecular Kinugasa reactions
Popik O, et al.
Organic & Biomolecular Chemistry, 18, 2852-2860 (2020)
Maruthappan Manikandan et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 101, 178-183 (2012-10-30)
New charge transfer molecular complex adducts of picric acid (C6H3N3O7) with triethylamine (C6H15N) and dimethylformamide (HCON(CH3)2) were synthesized successfully for the first time. Chemical composition and stoichiometry of the synthesized complex salts were verified by CHN elemental analysis. Solubility of
Hanwen Sun et al.
Journal of clinical laboratory analysis, 26(6), 486-492 (2012-11-13)
To develop a new high-performance liquid chromatography (HPLC) method for simultaneous determination of the combined drugs (ceftriaxone sodium, metronidazole, and levofloxacin) in human urine. Ceftriaxone sodium, metronidazole, and levofloxacin were separated on a Kromasil 100-5 C18 (250 mm × 4.6
Eglal Adelhamid Abdelaleem et al.
Pakistan journal of pharmaceutical sciences, 26(1), 175-183 (2012-12-25)
This work is concerned with development and validation of chromatographic and spectrophotometric methods for analysis of mebeverine HCl (MEH), diloxanide furoate (DF) and metronidazole (MET) in Dimetrol® tablets - spectrophotometric and RP-HPLC methods using UV detection. The developed spectrophotometric methods
Xinshuai Zhang et al.
Angewandte Chemie (International ed. in English), 51(29), 7282-7286 (2012-06-15)
A matter of protection: The outcome of a divergent organocatalytic aza-Michael/aldol cascade process toward quinolines and 1,4-dihydroquinolines depends on the choice of the N-protecting group (see scheme; TEA = triethylamine, TMS = trimethylsilyl). Use of an electron-donating sulfonyl group results
Chen Chen et al.
The journal of adhesive dentistry, 16(2), 169-176 (2014-04-01)
To evaluate the effects of a commercial zirconia primer (Choice or RelyX Unicem) on shear bond strength (SBS) of two different resin composite cements - Choice (a conventional bis-GMA-based resin cement) and RelyX Unicem (self-adhesive resin cement) - to zirconia.
Younis Baqi et al.
Molecules (Basel, Switzerland), 17(3), 2599-2615 (2012-03-07)
MG 50-3-1 (3, trisodium 1-amino-4-{4-[4-chloro-6-(2-sulfophenylamino)-1,3,5-triazin-2-ylamino]-2-sulfophenylamino}-9,10-dioxo-9,10-dihydroanthracene 2-sulfonate) is the most potent and selective antagonist (IC₅₀ 4.6 nM) for "P2Y₁-like" nucleotide-activated membrane receptors in guinea-pig taenia coli responsible for smooth muscle relaxation. Full characterization of the compound, however, e.g., at the human
Yi Yang et al.
Journal of chromatography. A, 1273, 44-48 (2012-12-26)
A sample pretreatment method using acid-base extraction was established for pH-zone-refining counter-current chromatography (CCC) to increase the yield of the target compound. As the most important step, selection of two-phase solvent system for pH-zone-refining CCC should follow some rules. One
Sumanta Kumar Padhi et al.
Inorganic chemistry, 51(15), 8091-8102 (2012-07-26)
Cyclometalated ruthenium complexes having C(^)N and N(^)C type coordinating ligands with NAD(+)/NADH function have been synthesized and characterized by spectroscopic methods. The variation of the coordinating position of σ-donating carbon atom leads to a drastic change in their properties. Both
Jun He et al.
Analytical chemistry, 84(12), 5236-5242 (2012-05-23)
By combining a novel chiral amino-acid surfactant containing an acryloyl amide tail, a carbamate linker, and a leucine headgroup of different chain lengths with a conventional cross-linker and a polymerization technique, a new "one-pot" synthesis for the generation of amino-acid
Page 1 of 2