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Puslapis 1 nuo 21 rezultatus
[Determination by thermometric titrimetry of the thermodynamic parameters of water/n-octanol transfer of several non-steroidal anti-inflammatory drugs].
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The calorimetric determination by thermometric titrimetry of the water/n-octanol transfer enthalpies of some non steroidic anti-inflammatory compounds is described. By combining the values obtained with that of the free enthalpies of transfer issuing from the values of corresponding log P, it is
Enhancement effect of an ethanol/Panasate 800 binary vehicle on anti-inflammatory drug permeation across excised hairless mouse skin.
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The novel binary vehicle system consisting of ethanol (EtOH) and Panasate 800 as tricaprylin was applied to five types of nonsteroidal anti-inflammatory drugs, and its enhancing effect on drug permeation across hairless mouse skin in vitro was assessed. The permeability of all drugs was remarkably
Nanostructures in n-Octanol Equilibrated with Additives and/or Water.
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Fluid fatty alcohols are believed to be nanostructured but broadly amorphous (i.e., noncrystalline) fluids and solvents, including the most popular fatty tissue mimetic, hydrated n-octanol (i.e., hydro-octanol). To check this premise, we studied dry octanol and hydro-octanol as a model of relatively
Miniaturized shake-flask HPLC method for determination of distribution coefficient of drugs used in inflammatory bowel diseases.
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A new method for determination of distribution coefficient of drugs azathioprine, 6-mercaptopurine and 6-thioguanine and nutrient folic acid used in the treatment of inflammatory bowel disease based on a miniaturized shake-flask and HPLC/DAD was developed. Special attention was made to the most
Potential of immobilized artificial membrane chromatography for lipophilicity determination of arylpropionic acid non-steroidal anti-inflammatory drugs.
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Molecular lipophilicity can be expressed by logP or more conveniently by logk, i.e. determined by the traditional shake-flask technique or by liquid chromatography. The logk of 11 arylpropionic non-steroidal anti-inflammatory drugs (NSAIDs) was determined at pH 7.4 of the eluent using two stationary
Partitioning of anti-inflammatory steroid drugs into phosphatidylcholine and phosphatidylcholine-cholesterol small unilamellar vesicles as studied by second-derivative spectrophotometry.
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The partition coefficients (Kps) of six anti-inflammatory steroid drugs, dexamethasone (DMS), betamethasone (BMS), triamcinolone acetonide (TCLA), fluocinolone acetonide (FCLA), betamethasone 17,21-dipropionate (BMSDP), and clobetasole propionate (CBSP), for phosphatidylcholine (PC), and
Evolving role of radiolabeled particles in detecting infection and inflammation, preliminary data with 99mTc-phytate in rats.
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OBJECTIVE
The aim of this study was to evaluate the ability of phytate radiolabeled with technetium-99m (Tc-phytate) to identify inflammatory processes.
METHODS
Radiolabeling efficiency analyses were carried out by thin-layer chromatography on silica gel strips, yielding a radiochemical purity of
Skin permeability of various non-steroidal anti-inflammatory drugs in man.
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The skin permeabilities of a series of eight salicylates and ten non-steroidal anti-inflammatory drugs were investigated in human subjects. The logarithms of % absorption through intact skin and of n-octanol/water partition coefficients (log P) of the test compounds were plotted against one another,
Mixture toxicity of the anti-inflammatory drugs diclofenac, ibuprofen, naproxen, and acetylsalicylic acid.
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The ecotoxicity of the nonsteroidal anti-inflammatory drugs (NSAIDs) diclofenac, ibuprofen, naproxen, and acetylsalicylic acid (ASA) has been evaluated using acute Daphnia and algal tests. Toxicities were relatively low, with half-maximal effective concentration (EC50) values obtained using Daphnia
Esterification of trans-aconitic acid improves its anti-inflammatory activity in LPS-induced acute arthritis.
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trans-Aconitic acid (TAA) is an abundant constituent in the leaves of Echinodorus grandiflorus, a medicinal plant used to treat rheumatoid arthritis in Brazil. Esterification was explored as a strategy to increase lipophilicity and biopharmaceutical properties of TAA, a highly polar tricarboxylic
Effect of lipophilicity on in vivo iontophoretic delivery. I. NSAIDs.
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The effect of drug lipophilicity on in vivo iontophoretic transdermal absorption was evaluated. Non-steroidal anti-inflammatory drugs (NSAIDs) were selected as model drugs with a wide range of lipophilicity: salicylic acid (SA), ketoprofen (KP), naproxen (NP) and indomethacin (IM). Cathodal
Preparation and evaluation of luteolin-phospholipid complex as an effective drug delivery tool against GalN/LPS induced liver damage.
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BACKGROUND
The phyto-phospholipid complexation technique is a promising approach to improve the bioavailability and efficacy of flavonoids.
OBJECTIVE
The objective of this study was to improve the bioavailability and efficacy of luteolin by phospholipid complexation against inflammatory liver
[Investigation of solubility properties of nifluminic acid containing cyclodextrins and polyvidone].
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One of the most important task of the pharmaceutical technology is to reach a possible high gastrointestinal absorbtion of the active ingredient. Therefore, it is necessary to have a good solubility in the gastric/intestinal medium. In this way the applied drug quantity and unwanted side effects can
(99m) Tc-tricabonyl labeling of ofloxacin and its biological evaluation in Staphylococcus aureus as an infection imaging agent.
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Even in recent decades, one of the major causes of death and unhealthiness in the whole world is infection and inflammation. The use of radiopharmaceuticals is a powerful tool in managing the patients with infectious diseases. In this study, ofloxacin as a second-generation fluoroquinolone has been
Evaluation of novel soya-lecithin formulations for dermal use containing ketoprofen as a model drug.
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In this study soya-lecithin aggregates, prepared by a technique using compressed gas, are used to formulate new dermal preparations. Ketoprofen (KP), a nonsteroidal anti-inflammatory drug (NSAID) is included as a model drug. The technique offers the possibility of incorporating auxiliary agents,
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