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PHR1375
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UV-spectrophotometric determination of ketoprofen and paraben in a gel preparation by partial least-squares calibration
Blanco M, et al.
Fresenius Journal of Analytical Chemistry, 357(7), 967-972 (1997)
Akihiko Ouchi et al.
Chirality, 14(1), 1-11 (2001-12-19)
The reactivity of organic molecules can be modified upon complexation with proteins: these changes can be different and more significant when the substrate is in an electronically excited state. Here we review UV, CD, and fluorescence spectroscopy studies on the
Niraj S Trasi et al.
The journal of physical chemistry. B, 118(33), 9974-9982 (2014-07-31)
Amorphous forms of drugs are increasingly being used to deliver poorly water-soluble compounds. Therefore, understanding the magnitude and origin of differences in crystallization kinetics is highly important. The goal of this study was to better understand the factors that influence
G Serrano et al.
Journal of the American Academy of Dermatology, 27(2 Pt 1), 204-208 (1992-08-01)
Photosensitivity reactions to fibric acid derivatives are not well understood and have been rarely reported. The aim of this study was to describe two cases of photosensitivity, one induced by fenofibrate and one by bezafibrate; to study the in vivo
Alexandre Grand-Guillaume Perrenoud et al.
Journal of chromatography. A, 1360, 275-287 (2014-08-19)
Superficially porous particles (SPP), or core shell particles, which consist of a non-porous silica core surrounded by a thin shell of porous silica, have gained popularity as a solid support for chromatography over the last decade. In the present study
Development and validation of a stability-indicating high-performance liquid chromatographic assay for ketoprofen topical penetrating gel
Bempong DK and Bhattacharyya L
Journal of Chromatography A, 1073(1-2), 341-346 (2005)
María Ramos-Payán et al.
Analytica chimica acta, 849, 7-11 (2014-10-11)
A novel approach based on the use of nanometallic-decorated hollow fibers to assist electromembrane extraction is proposed. Microporous polypropylene hollow fibers, on which nanometallic silver was deposited, have been used for the first time as liquid membrane support in electromembrane
Grace Carolaine Esquivel Velásquez et al.
Journal of oral & facial pain and headache, 28(2), 153-158 (2014-05-14)
To evaluate the preemptive analgesia of ketoprofen in comparison with diclofenac after mandibular third molar surgery. This study was a double-blind, randomized clinical trial. Forty patients were randomized into two treatment groups (each with 20 patients) by using a series
Cristina Román Hidalgo et al.
Analytical and bioanalytical chemistry, 407(5), 1519-1525 (2014-12-19)
A new support containing silver nanoparticles to assist electromembrane extraction (EME) procedures is proposed. For the first time, synthesized agar films containing silver nanoparticles (AgNPs) have been used as a support for liquid membranes in EME. Agarose films of 20 μm
H Bagheri et al.
Drug safety, 22(5), 339-349 (2000-06-01)
The topical use of nonsteroidal anti-inflammatory drugs (NSAIDs), widely used for moderate acute and chronic painful conditions, is one of several strategies used to improve the tolerability profile of NSAIDs, particularly with regard to gastric and renal adverse effects. However
José Raúl Medina et al.
Pakistan journal of pharmaceutical sciences, 27(3), 453-458 (2014-05-09)
In order to study the release characteristics of ketoprofen suppositories under the hydrodynamic environment generated by USP Apparatus 1 and 4, the dissolution profiles of the Mexican reference product (100 mg) were determined. Phosphate buffer pH 8 and 1% sodium
Ju-Young Kim et al.
Archives of pharmacal research, 37(8), 1053-1062 (2013-11-21)
The purpose of the present study is to investigate the influence of gastric retention of ecabet sodium (ECS) on its mucoprotective effect in rat ulcer models. Mini-tablets containing 9 mg ECS were prepared using the direct compression method. The release
Thomas H Miller et al.
The Science of the total environment, 511, 153-160 (2014-12-30)
The development, characterisation and application of a new analytical method for multi-residue PPCP determination in the freshwater amphipod, Gammarus pulex are presented. Analysis was performed using pulverised liquid extraction (PuLE), solid phase extraction (SPE) and liquid chromatography-tandem mass spectrometry (LC-MS/MS).
Igor E Shohin et al.
Journal of pharmaceutical sciences, 101(10), 3593-3603 (2012-07-13)
Literature and experimental data relevant to the decision to allow a waiver of in vivo bioequivalence (BE) testing for the approval of immediate-release (IR) solid oral dosage forms containing ketoprofen are reviewed. Ketoprofen's solubility and permeability, its therapeutic use and
Li-Ting Liao et al.
Clinica chimica acta; international journal of clinical chemistry, 436, 72-77 (2014-05-13)
Uric acid measurement has become increasingly important, and electrochemically modified detection method based portable devices hold a dominant position in the market for point of care and self-monitoring of uric acid blood levels. However, there has been a lack of
Norimasa Jinno et al.
Xenobiotica; the fate of foreign compounds in biological systems, 44(8), 677-686 (2014-03-01)
1. In order to evaluate the inhibition activity of 1-aminobenzotriazole (ABT) and (-)-borneol (borneol) against cytochrome P450 (CYP) and UDP-glucuronosyltransferase (UGT), the substrates of these metabolic enzymes were incubated with ABT and borneol in human hepatocytes. We found that 3 mM ABT
M Sugiura et al.
Contact dermatitis, 43(1), 16-19 (2000-07-21)
We report 4 cases of photocontact dermatitis due to ketoprofen, a non-steroidal anti-inflammatory drug derived from propionic acid. We carried out a skin biopsy to examine the amount of ketoprofen in the eruptive skin. We investigated the cross-reactions between tiaprofenic
Dima Albals et al.
Electrophoresis, 35(19), 2807-2818 (2014-07-02)
A generic chiral separation strategy for the analysis of acidic compounds in CEC is proposed in completion of an earlier defined strategy for nonacidic compounds. The screening step of this strategy uses a 45 mM ammonium formate (pH 2.9)/ACN (35/65
Gordon C C Yang et al.
Journal of hazardous materials, 277, 53-61 (2014-04-08)
This study monitored the occurrence and removal efficiencies of 8 phthalate esters (PAEs) and 13 pharmaceuticals present in the drinking water of Kaohsiung City, Taiwan. The simultaneous electrocoagulation and electrofiltration (EC/EF) process was used to remove the contaminants. To this
Fabíola Garavello Prezotti et al.
Carbohydrate polymers, 113, 286-295 (2014-09-27)
Gellan gum/pectin beads were prepared by ionotropic gelation, using Al(3+) as crosslinker. High yield (92.76%) and entrapment efficiency (52.22-88.78%) were reached. Beads exhibited high circularity (0.730-0.849) and size between 728.95 and 924.56 μm. Particle size and circularity was increased by
E M Veys
Scandinavian journal of rheumatology. Supplement, 90, Suppl 1-Suppl44 (1991-01-01)
Ketoprofen has emerged as a potent nonsteroidal anti-inflammatory drug. Its efficacy in the treatment of conditions such as rheumatoid arthritis and osteoarthritis has been demonstrated throughout nearly 20 years of clinical use. It has also been shown to be an
Abdelmonaim Azzouz et al.
Food chemistry, 178, 63-69 (2015-02-24)
A sensitive, selective, efficient gas chromatography-mass spectrometry method for the simultaneous determination of 22 pharmacologically active substances (antibacterials, nonsteroidal antiinflammatories, antiseptics, antiepileptics, lipid regulators, β-blockers and hormones) in eggs and honey was developed. The sample pretreatment includes precipitation of proteins
India A Reddy et al.
ACS chemical neuroscience, 5(10), 943-951 (2014-07-30)
Roux-en-Y gastric bypass (RYGB) is an effective treatment for obesity. Importantly, weight loss following RYGB is thought to result in part from changes in brain-mediated regulation of appetite and food intake. Dopamine (DA) within the dorsal striatum plays an important
Hiroshi Tamura et al.
Journal of neurophysiology, 111(12), 2589-2602 (2014-03-29)
Detailed knowledge of neuronal circuitry is necessary for understanding the mechanisms underlying information processing in the brain. We investigated the organization of horizontal functional interactions in the inferior temporal cortex of macaque monkeys, which plays important roles in visual object
Sarah Montesdeoca-Esponda et al.
Biomedical chromatography : BMC, 29(3), 353-356 (2014-07-25)
A dispersive liquid-liquid micellar microextraction (DLLMME) method coupled with ultra-high-performance liquid chromatography (UHPLC) using Diode Array Detector (DAD) detector was developed for the analysis of five pharmaceutical compounds of different nature in wastewaters. A micellar solution of a surfactant, polidocanol
Yoshiki Asakawa et al.
Journal of separation science, 37(19), 2641-2651 (2014-07-22)
A novel metal aquo-ion affinity chromatography has been developed for the analysis of basic compounds using heat-treated silica gel containing hydrated metal cations (metal aquo-ions) as the packing material. The packing materials of the metal aquo-ion affinity chromatography were prepared
David J Durgan et al.
Journal of cerebral blood flow and metabolism : official journal of the International Society of Cerebral Blood Flow and Metabolism, 35(3), 402-411 (2014-11-27)
Obstructive sleep apnea (OSA) is associated with cerebrovascular diseases. However, little is known regarding the effects of OSA on the cerebrovascular wall. We tested the hypothesis that OSA augments endothelin-1 (ET-1) constrictions of cerebral arteries. Repeated apneas (30 or 60
Shivani Tanwar et al.
Journal of pharmaceutical and biomedical analysis, 106, 100-106 (2014-12-01)
Two different innovative approaches were used for the determination of nonsteroidal anti-inflammatory drugs (NSAIDs) in water: stir bar sorptive extraction (SBSE) and passive sampling, followed by electrospray ionization liquid chromatography-tandem mass spectrometry. SBSE was developed by comparing EG-Silicone and PDMS
Sylwia Magiera et al.
Journal of separation science, 37(22), 3314-3315 (2014-08-28)
A novel analytical approach has been developed for the determination of selected drugs (milrinone, enalapril, carvedilol, spironolactone, acenocumarol, ticlopidine, cilazapril) and their metabolites (2-oxoticlopidine, cilazaprilat, canrenone, 5'-hydroxycarvedilol, O-desmethyl-carvedilol, enalaprilat) in human urine, based on a miniaturized extraction technique; semiautomatic microextraction by
Brian J Krieg et al.
Journal of pharmaceutical sciences, 103(11), 3473-3490 (2014-09-13)
Development of an oral in vivo predictive dissolution medium for acid drugs with a pKa in the physiological range (e.g., Biopharmaceutics Classification System Class IIa) requires transport analysis of the complex in vivo CO2 /bicarbonate buffering system. In this report
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