The occurrence of deoxynivalenol (DON) in retail foods in Tehran (Iran) was determined using high-performance liquid chromatography technique and immunoaffinity column as the clean-up step. A method was validated for analysis of DON in rice, bread, puffed corn snack and wheat flour. The average recoveries and precision (RSD) for DON in different foods ranged 84.
View Article and Find Full Text PDFA high performance liquid chromatographic method was developed for determination of aflatoxin B1 (AFB1) in foods using a monolithic column with sample clean up on an immunoaffinity column. The method was validated for analysis of AFB1 in rice, bread, puffed corn snack, wheat flour and peanut samples. The average recoveries for AFB1 in different foods ranged from 94.
View Article and Find Full Text PDFZearalenone (ZEA) mycotoxin is a potent estrogenic metabolite. It is the primary toxin causing infertility, abortion or other breeding problems. A HPLC method was validated for ZEA in foods using a monolithic column with sample clean-up on an immunoaffinity column.
View Article and Find Full Text PDFA rapid, sensitive and reproducible HPLC method was developed and validated for the analysis of adefovir (CAS 106941-25-7) in human plasma. The separation was achieved on a monolithic silica column (Chromolith Performance RP-18e, 100 x 4.6 mm) using acetonitrile-ammonium dihydrogen phosphate buffer (6:94, v/v), pH 5.
View Article and Find Full Text PDFA rapid, sensitive and reproducible HPLC method was developed and validated for the analysis of memantine in human plasma after derivatization with o-phthaldialdehyde (OPA) and fluorescence detection. Amantadine was used as internal standard. The derivatized memantine and amantadine were eluted in less than 10 min with no interference from endogenous plasma peaks.
View Article and Find Full Text PDFA rapid, sensitive and reproducible HPLC method was developed and validated for the analysis of pantoprazole (CAS 102625-70-7) in human plasma. The separation was achieved on a monolithic silica column using acetonitrile-potassium dihydrogen phosphate buffer (25:75,v/v), pH 3.0, as the mobile phase at a flow rate of 1.
View Article and Find Full Text PDFA simple, rapid and sensitive isocratic reversed phase HPLC method with UV detection using internal standard has been developed and validated for simultaneous determination of amoxicillin and clavulanic acid in human plasma. The assay enables the measurement of amoxicillin and clavulanic acid for therapeutic drug monitoring with a minimum quantification limit of 15 and 30 ng ml(-1), respectively. The method involves simple, one-step extraction procedure and analytical recovery was complete.
View Article and Find Full Text PDFArzneimittelforschung
September 2006
A rapid and sensitive HPLC method using a monolithic column has been developed for quantification of omeprazole (CAS 73590-58-6) in plasma. The method was specific and sensitive with a quantification limit of 10 ng/ml. Sample preparation involves simple, one-step extraction procedure and analytical recovery was complete.
View Article and Find Full Text PDFA rapid and simple high-performance liquid chromatography (HPLC) method using a monolithic column has been developed for quantification of losartan (CAS 12450-98-8) in plasma. The assay enables the measurement of losartan for therapeutic drug monitoring. The method involves a simple, one-step extraction procedure.
View Article and Find Full Text PDFA rapid and sensitive high-performance liquid chromatographic method for the determination of atorvastatin (CAS 134523-00-5) in plasma was developed in this study. Atorvastatin was isolated from plasma using protein precipitation by acetonitrile. Diltiazem (CAS 33286-22-5) was used as internal standard.
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