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Showing 1-30 of 35 results for "46384" within Papers
Xiaolin Cao et al.
Applied spectroscopy, 64(8), 895-900 (2010-08-20)
Identification of foreign microparticles in drug products is one of the first steps in evaluating the nature of particle contamination and its consequences for product quality. To characterize various foreign particles, we use spectral database search methods as well as
Alain Hildebrandt et al.
Archives of environmental contamination and toxicology, 57(2), 247-255 (2008-12-05)
This study was aimed to assess the presence and fate of 22 organochlorinated pesticides (OCHs) and their degradation products and 16 Environmental Protection Agency-priority polycyclic aromatic hydrocarbons (PAHs) in soils of the Ebro River basin (NE Spain) during a 3-year
P A de Paula Pereira et al.
Talanta, 49(2), 245-252 (2008-10-31)
A new sampling protocol was developed to determine methanol and ethanol in the gas phase, at low concentration levels, in urban atmospheres. The procedure involves collection of air samples (20.0-30.0 l) with three florisil cartridges connected in series, at a
J Pablo Lamas et al.
Journal of chromatography. A, 1217(12), 1882-1890 (2010-02-09)
Fragrances are ubiquitous pollutants in the environment, present in the most of household products, air fresheners, insecticides and cosmetics. Commercial perfumes may contain hundreds of individual fragrance chemicals. In addition to the widespread use and exposure to fragranced products, many
An improved gas chromatographic method for the determination of perfluorocarbon tracers in the atmosphere
Lagomarsino, Raymond J.
Journal of Chromatography A, 34, 405-412 (1996)
Yasuo Kohjimoto et al.
Clinical calcium, 21(10), 1457-1463 (2011-10-01)
Drug-induced urinary calculi, although they account for only 1-2% of urinary calculi, deserve consideration because most of them are preventable. In the drug-containing calculi resulting from the crystallization of a certain drug and its metabolites in the urine, stone analysis
Ting Zhou et al.
Analytical chemistry, 84(13), 5816-5822 (2012-06-13)
Microwave accelerated selective Soxhlet extraction (MA-SSE), a novel selective extraction technique, was investigated in this study. A Soxhlet extraction system containing a glass filter was designed as an extractor. During the procedure of MA-SSE, both the target analytes and the
Youtao Xie et al.
Acta biomaterialia, 5(6), 2331-2337 (2009-04-14)
In this paper, chemically synthesized Mg(2)SiO(4) (MS) powder was plasma-sprayed onto a titanium alloy substrate to evaluate its application potentials in biomedicine. The phase composition and surface morphology of the MS coating were analyzed. Results showed that the MS coating
Vasiliki I Boti et al.
Journal of chromatography. A, 1216(9), 1296-1304 (2009-01-16)
Matrix solid-phase dispersion (MSPD) as a sample preparation method for the determination of two potential endocrine disruptors, linuron and diuron and their common metabolites, 1-(3,4-dichlorophenyl)-3-methylurea (DCPMU), 1-(3,4-dichlorophenyl) urea (DCPU) and 3,4-dichloroaniline (3,4-DCA) in food commodities has been developed. The influence
N Llewellyn et al.
Journal of chromatography. A, 1218(47), 8519-8528 (2011-10-22)
A reliable and specific method was developed for the determination of the cytotoxic drugs cyclophosphamide and ifosfamide in sewage effluent. The most successful combination was found to be Strata-X solid-phase extraction followed by Florisil® clean-up with analysis by liquid chromatography-tandem
P Navarro et al.
Journal of chromatography. A, 1217(38), 5890-5895 (2010-08-17)
The determination of target analytes such as nonyl- and octylphenols and 17beta-estradiol in fish homogenate require of solid-liquid extraction step. In this work microwave-assisted extraction (MAE) and focused-ultrasound liquid extraction (FUSLE) were studied as two different alternatives for extraction of
N García-Flor et al.
Environmental technology, 29(12), 1275-1283 (2009-01-20)
A reliable analytical procedure was developed to determine trace levels of organochlorine compounds in neuston samples. Freeze-dried samples were extracted by sonication (3 x 15 ml cyclohexane, 15 min) followed by gel permeation chromatography (GPC) and gas chromatography electron capture
Parshu Ram Rai et al.
AAPS PharmSciTech, 13(2), 431-440 (2012-03-01)
The present investigation was aimed at developing and optimizing a simple aqueous tablet-coating formulation and its process. 5-Fluorouracil (5-FU) was used to ascertain the relative lipophilic/hydrophilic behavior of the coating system. Optimization was performed by evaluating the adhesive force strength
U Avsar et al.
Cellular and molecular biology (Noisy-le-Grand, France), 59 Suppl, OL1835-OL1841 (2013-02-13)
This study evaluated the protective effect of Panax Ginseng (PG) on bone metabolism in an experimental ovariectomy (OVX) model of osteoporosis in which inflammation was induced by subcutaneous magnesium silicate. The groups were: sham control (Group1, SH), sham+inflammation (Group2, SHinf)
Ana Paula C Teixeira et al.
Journal of hazardous materials, 248-249, 295-302 (2013-02-13)
In this work, chrysotile was used as support to grow carbon nanotubes and nanofibers to produce fibrous amphiphilic magnetic nanostructured composites. Iron impregnated on the chrysotile surface at 1, 5 and 15 wt% was used as catalyst to grow carbon
Ebru Orsal et al.
Experimental biology and medicine (Maywood, N.J.), 238(12), 1406-1412 (2013-10-18)
This study was carried out to assess the protective bone-sparing effect of carnitine with anti-inflammatory properties on chronic inflammation-induced bone loss in ovariectomised (OVX) rats. A total of 64 rats were divided into eight groups. Sixteen rats were sham-operated (SH)
Juan G Osorio et al.
Drug development and industrial pharmacy, 39(9), 1464-1475 (2013-08-02)
Filling capsules with the right amount of powder ingredients is an important quality parameter. The purpose of this study was to develop effective laboratory methods for characterizing flow properties of pharmaceutical powder blends and correlating such properties to weight variability
Li Zhang et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(16), 6292-6295 (2013-04-12)
Knowledge of the structural properties of mantle phases is critical for understanding the enigmatic seismic features observed in the Earth's lower mantle down to the core-mantle boundary. However, our knowledge of lower mantle phase equilibria at high pressure (P) and
Sangram H Patil et al.
Journal of chromatography. A, 1216(12), 2307-2319 (2009-02-14)
A multiresidue method is described for simultaneous estimation of 83 pesticides and 12 dioxin-like polychlorinated biphenyls (PCBs) in red and white wines. The samples (20mL wine, acidified with 20 mL 1% HCl) were extracted with 10 mL ethyl acetate (+20
The Florisil? catalyzed [1, 3]-sigmatropic shift of allyl phenyl ethers-An entryway into novel mycophenolic acid analogues.
Talamas, Francisco X., et al.
Tetrahedron Letters, 38, 4725-4728 (1997)
Lei Zhang et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 63(10), 2114-2122 (2011-10-08)
Florisil was employed for the sorption of antimony ions from aqueous solutions. A detailed study of the process was performed by varying the sorption time, pH, and temperature. The sorption was found to be fast, equilibrium was reached within 15
Andrew C Singer et al.
Environmental toxicology and chemistry, 22(9), 1998-2004 (2003-09-10)
This study investigated the interactive effects of bioaugmentation, biostimulation, and the rhizosphere during remediation of Aroclor 1242-contaminated soil. Treatments were repeatedly augmented with polychlorinated bipheny (PCB)-degrading bacteria, inducers (carvone and salicylic acid), surfactant (sorbitan trioleate), minimal salts medium in a
Stephen T Kelly et al.
Nanotechnology, 20(20), 204017-204017 (2009-05-08)
Despite the promising thermodynamics and storage capacities of many destabilized metal hydride hydrogen storage material systems, they are often kinetically limited from achieving practical and reversible behavior. Such is the case with the Mg2Si system. We investigated the kinetic mechanisms
Iyad Rashid et al.
International journal of pharmaceutics, 411(1-2), 18-26 (2011-03-23)
A directly compressible excipient has been developed by co-processing starch with magnesium silicate. The foregoing was achieved either by co-precipitation of magnesium silicate onto different types of starch or by dry granulation of maize starch with magnesium silicate. A variety
Rana Al-Shaikh Hamid et al.
Marine drugs, 8(5), 1699-1715 (2010-06-19)
The performance of the novel chitin metal silicate (CMS) co-precipitates as a single multifunctional excipient in tablet formulation using direct compression and wet granulation methods is evaluated. The neutral, acidic, and basic drugs Spironolactone (SPL), ibuprofen (IBU) and metronidazole (MET)
Acid-treated Florisil as an adsorbent for column chromatography
Carroll, K. K.
Journal of the American Oil Chemists' Society, 40, 413-419 (1963)
The covalently bound flavin of Chromatium cytochrome c552. 1. Evidence for cysteine thiohemiacetal at the 8 alpha position.
W H Walker et al.
European journal of biochemistry, 48(2), 439-448 (1974-10-02)
Iyad Rashid et al.
Journal of pharmaceutical sciences, 98(12), 4887-4901 (2009-08-20)
When chitin is used in pharmaceutical formulations, processing of chitin with metal silicates is advantageous, from both an industrial and pharmaceutical perspective, compared to processing using silicon dioxide. Unlike the use of acidic and basic reagents for the industrial preparation
J Pablo Lamas et al.
Journal of chromatography. A, 1217(33), 5307-5316 (2010-07-14)
Exposure to fragrance substances is exponentially increasing in our daily life due to the enhanced use of scented products. Some fragrances are known to be important sensitizers, inhalation being an important exposure pathway in indoor environments. A simple and sensitive
Determination of atmospheric perfluorocarbon background concentrations of fL/L range at the western coastal area of Korea
Kim, HyeKyeong, et al.
Atmospheric Environment, 1, 4-4 (2002)
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