Now showing items 1-10 of 10115
Comparison of Impurity Profiles of Lipiblock (R) vs. Orlistat using HPLC and LC-MS/MS
(Colegio Farmaceuticos Provincia de Buenos Aires, 2012-02-01)
Comparative HPLC-UV and LC-MS/MS studies of impurity profiles of a reference sample (Xenical (R), F. Hoffmann La Roche Ltd., Switzerland) vs. generic (Lipiblock (R), EMS Sigma Pharma, a generic drug) were carried out with ...
Dereplication of terpenes and phenolic compounds from Inga edulis extracts using HPLC-SPE-TT, RP-HPLC-PDA and NMR spectroscopy
Inga edulis is traditionally used as anti-inflammatory and antidiarrheal and has been investigated as potential sources of biologically active natural products. In this study, dereplication strategy using HPLC-SPE-TT, ...
OCHRATOXIN-A DETERMINATION BY HPLC WITH FLUORESCENCE DETECTION (HPLC-FL): A NEW STANDARDIZATION METHOD FOR WHEAT SAMPLES
(Sociedad Chilena de Nutrición, Bromatología y Toxicología, 2010)
Online identification of chlorogenic acids, sesquiterpene lactones, and flavonoids in the Brazilian arnica Lychnophora ericoides Mart. (Asteraceae) leaves by HPLC-DAD-MS and HPLC-DAD-MS/MS and a validated HPLC-DAD method for their simultaneous analysis
(AMER CHEMICAL SOC, 2008)
Lychnophora ericoides Mart. (Asteraceae, Vernonieae) is a plant, endemic to Brazil, with occurrence restricted to the ""cerrado"" biome. Traditional medicine employs alcoholic and aqueous-alcoholic preparations of leaves ...
Thermodynamic parameters of the chromatographic equilibrium distribution process of amphiphilic compound by HPLC. Part II: Nonylphenol Polyethoxylated
(Facultad Experimental de Ciencias de la Universidad del Zulia, 2011)
Antifungals and acetylcholinesterase inhibitors from the stem bark of Croton heliotropiifolius
(Elsevier B.V., 2014-12-01)
The ethanolic extract of the stem bark of Croton heliotropiifolius Kunth (Euphorbiaceae) showed significant in vitro inhibition of acetylcholinesterase using a dilution spectrophotometric assay and antifungal activity ...
HPLC determination of nimesulide in tablets by electrochemical detection
(Taylor and Francis Inc., 1998)
An analytical chromatographic method for the determination of nimesulide in pharmaceutical forms has been developed. The method is based on high performance liquid chromatographic (HPLC) and electrochemical detection. ...
Development and validation of an HPLC method for the simultaneous determination of amlodipine, hydrochlorothiazide, and Valsartan in tablets of their novel triple combination and binary pharmaceutical associations
(Taylor & Francis, 2011-11-18)
The novel triple combination between Amlodipine (AML), Hydrochlorothiazide (HCT), and Valsartan (VAL) provides a new option for treating hypertension. The development and validation of an HPLC method for their simultaneous ...
Sources of errors in the quantitative analysis of food carotenoids by HPLC
(Archivos Latinoamericanos Nutricion, 1999-09-01)
Several factors render carotenoid determination inherently difficult. Thus, in spite of advances in analytical instrumentation, discrepancies in quantitative results on carotenoids can be encountered in the international ...
Identification of isomeric tropane alkaloids from Schizanthus grahamii by HPLC-NMR with loop storage and HPLC-UV-MS/SPE-NMR using a cryogenic flow probe
Two fully automated HPLC-NMR methods are reported and compared for the structure elucidation of four isomeric tropane alkaloids from the stem-bark of an endemic Chilean plant, Schizanthus grahamii Gill. (Solanaceae). The ...