Source:http://linkedlifedata.com/resource/pubmed/id/15921965
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rdf:type | |
lifeskim:mentions |
umls-concept:C0008565,
umls-concept:C0028067,
umls-concept:C0032105,
umls-concept:C0039225,
umls-concept:C0039789,
umls-concept:C0086418,
umls-concept:C0185125,
umls-concept:C0772080,
umls-concept:C1268822,
umls-concept:C1511790,
umls-concept:C1547008,
umls-concept:C1709793,
umls-concept:C2603343,
umls-concept:C2825050
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pubmed:issue |
2
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pubmed:dateCreated |
2005-6-20
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pubmed:abstractText |
A rapid and simple HPLC method with UV detection (288 nm) was developed and validated for quantitation of niflumic acid in human plasma, the active metabolite of talniflumate. After precipitation with 100% methanol containing the internal standard, indomethacin, the analysis of the niflumic acid level in the plasma samples was carried out using a reverse phase C18 CAPCELL PAK (5 microm, 4.6 mm x 250 mm) column. The chromatographic separation was accomplished with an isocratic mobile phase consisting of a mixture of 0.1M sodium acetate in water and acetonitrile (37:63, v/v), adjusted to pH 6.4. This HPLC method was validated by examining its precision and accuracy for inter- and intra-day runs in a linear concentration range of 0.02-5.00 microg/mL. Stability of niflumic acid in plasma was excellent, with no evidence of degradation during sample processing (autosampler) and 30 days storage in a freezer. This validated method was successfully applied to the bioequivalence study of talniflunate in healthy volunteers.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:chemical | |
pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
1570-0232
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pubmed:author | |
pubmed:issnType |
Print
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pubmed:day |
25
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pubmed:volume |
821
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
215-20
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pubmed:dateRevised |
2006-11-15
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pubmed:meshHeading |
pubmed-meshheading:15921965-Adult,
pubmed-meshheading:15921965-Benzofurans,
pubmed-meshheading:15921965-Chromatography, High Pressure Liquid,
pubmed-meshheading:15921965-Drug Stability,
pubmed-meshheading:15921965-Humans,
pubmed-meshheading:15921965-Male,
pubmed-meshheading:15921965-Niflumic Acid,
pubmed-meshheading:15921965-Pyridines,
pubmed-meshheading:15921965-Reproducibility of Results,
pubmed-meshheading:15921965-Sensitivity and Specificity,
pubmed-meshheading:15921965-Spectrophotometry, Ultraviolet,
pubmed-meshheading:15921965-Therapeutic Equivalency
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pubmed:year |
2005
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pubmed:articleTitle |
Quantitation of niflumic acid in human plasma by high-performance liquid chromatography with ultraviolet absorbance detection and its application to a bioequivalence study of talniflumate tablets.
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pubmed:affiliation |
Department of Biochemistry, College of Pharmacy, Kyung Hee University, Hoegi-Dong, Dongdaemun-Ku, Seoul 130-701, Republic of Korea.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't,
Validation Studies
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