59565

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Showing 1-11 of 11 results for "59565" within Papers

An HPLC/UV method for the determination of RGH-1756 in dog and rat plasma.

E Terjéki et al.

Journal of pharmaceutical and biomedical analysis, 24(5-6), 913-920 (2001-03-15)

RGH-1756 (1-(2-methoxy-phenyl)-4-(4-[4-(6-imidazo[2,1-b]-thiazolyl)-phenoxy]-butyl)-piperazine dimethansulphonate) is a novel atypical antipsychotic candidate of Gedeon Richter Ltd. A new HPLC method has been developed and validated for the quantitative determination of RGH-1756 in dog and rat plasma. The compound and the internal standard are

Determination of loratadine in human plasma by high-performance liquid chromatographic method with ultraviolet detection.

P K Kunicki

Journal of chromatography. B, Biomedical sciences and applications, 755(1-2), 331-335 (2001-06-08)

A HPLC-UV determination of loratadine in human plasma is presented. After simple liquid-liquid extraction with 2-methylbutane-hexane (2:1) and evaporation of organic phase the compounds were re-dissolved in 0.01 M HCl, evaporated again and finally separated on a Supelcosil LC-18-DB column.

A method for the quantitation of tryptophan in Escherichia coli fermentation broth by isocratic high-performance liquid chromatography with ultraviolet detection.

J S Patrick et al.

Analytical biochemistry, 199(1), 125-131 (1991-11-15)

A rapid, isocratic method for the determination of tryptophan in Escherichia coli fermentation broths by reversed-phase HPLC is described. Tryptophan can be measured in fermentations containing either chemically defined media or media with hydrolyzed protein supplements. The procedure was rugged

Method for the quantitative analysis of cilostazol and its metabolites in human plasma using LC/MS/MS.

S L Bramer et al.

Journal of pharmaceutical and biomedical analysis, 26(4), 637-650 (2001-08-23)

An LC/MS/MS method for the simultaneous determination of cilostazol, a quinolinone derivative, and three active metabolites, OPC-13015, OPC-13213, and OPC-13217, in human plasma was developed and validated. Cilostazol, its metabolites, and the internal standard, OPC-3930 were extracted from human plasma

A rapid HPLC method for the measurement of ultra-low plasma methionine concentrations applicable to methionine depletion therapy.

Xinghua Sun et al.

Anticancer research, 25(1A), 59-62 (2005-04-09)

A rapid, sensitive and specific high-performance liquid chromatographic (HPLC) method for the separation and quantification of L-methionine in plasma has been developed. After derivatization of plasma amino acids with o-phthalaldehyde (OPA), a 50 microl sample was loaded on a reversed-phase

Simultaneous determination of plasma prednisolone, prednisone, and cortisol levels by high-performance liquid chromatography.

O Majid et al.

Therapeutic drug monitoring, 23(2), 163-168 (2001-04-11)

Recipients of organ transplants remain particularly dependent on prednisolone as part of their maintenance immunosuppression. Despite this, the pharmacokinetics of prednisolone have never been fully characterized in these patients, and consequently dosing remains empirical. Accurate monitoring of prednisolone, its primary

Liquid chromatographic determination of simazine, atrazine, and propazine residues in catfish.

D C Holland et al.

Journal of AOAC International, 78(4), 1067-1071 (1995-07-01)

A liquid chromatographic (LC) method is described for the simultaneous determination of the triazine herbicides, simazine (SIM), atrazine (ATZ), and propazine (PRO) in the 12.5-100 ppb range in catfish. The herbicides are extracted from catfish homogenates with ethyl acetate, followed

Liquid-chromatographic quantification compared with gas-chromatographic-mass-spectrometric determination of verapamil and norverapamil in plasma.

P A Hynning et al.

Clinical chemistry, 34(12), 2502-2503 (1988-12-01)

A high-performance liquid chromatographic (HPLC) method for determining verapamil and norverapamil in plasma is presented and compared with gas chromatography/mass spectrometry (GC-MS). The plasma samples were extracted at alkaline pH with hexane containing 2-butanol (20 mL/L) and then back-extracted into

Reversed-phase high-performance liquid chromatography separation of dimethylaminoazobenzene sulfonyl- and dimethylaminoazobenzene thiohydantoin-amino acid derivatives for amino acid analysis and microsequencing studies at the picomole level.

V Stocchi et al.

Analytical biochemistry, 178(1), 107-117 (1989-04-01)

A simple and fast reversed-phase high-performance liquid chromatographic method has been developed for the complete separation of 35 dimethylaminoazobenzene sulfonyl (DABS)-amino acids and by-products. This method allows simultaneous determination of primary and secondary amino acids which can be present in

Comparison of liquid chromatographic methods with direct detection for the analysis of gentamicin.

Vicky Manyanga et al.

Journal of pharmaceutical and biomedical analysis, 45(2), 257-262 (2007-08-21)

Several liquid chromatographic (LC) methods have been described for the analysis of gentamicin. LC combined with pulsed electrochemical detection (LC-PED) or evaporative light scattering detection (LC-ELSD) was found to be the most suitable technique. A first method, previously developed by

Mass spectrometric characterization and HPLC determination of the main urinary metabolites of nimesulide in man.

M Carini et al.

Journal of pharmaceutical and biomedical analysis, 18(1-2), 201-211 (1998-12-24)

A study was undertaken for the characterization and quantitative determination of the main urinary metabolites of the non-steroidal anti-inflammatory drug (NSAID) nimesulide (4-nitro-2-phenoxy-methanesulfonanilide) in man following single oral administration (200 mg). Urines were collected from six healthy volunteers at 12

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