Retention Times
Seed retention times in the New Zealand pigeon, Hemiphaga novaeseelandiae
... passage times may therefore be ...seed retention times were similar for wild and captive birds, but this conclusion remains tentative until more data are ...seed retention times are ...
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RP-HPLC method development and validation for simultaneous estimation of nebivolol and valsartan in pharmaceutical dosage forms
... nm. Retention time of Nebivolol and Valsartan were found to ...Valsartan. Retention times were decreased and that run time was decreased, so the method developed was simple and economical that can be ...
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LC-ESI-MS profile, antioxidant activity and cytotoxic screening of Oligomeris linifolia (Vahl) Macbr. (Resedaceae)
... In this study three compounds were identified as phenolic acids, (compounds 1, 11 and 19), and eighteen compounds were identified as flavonoids. The previously isolated flavonoids were detected at peaks 6, 12, 17, 18 ...
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Electrophoretic migration of organophosphorus pesticides as a function of separation potential in micellar electrokinetic chromatography : a basis of predicting the retention factors
... Abstract. Retention factors (k ′ ) in Micellar Electrokinetic Chromatography (MEKC) are very often calculated against the mobility of fully retained hydrophobic micelle markers, which are not abundant for ...
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LC AND LC-MS STUDY ON STRESS DECOMPOSITION BEHAVIOR OF PACLITAXEL AND ESTABLISHMENT OF VALIDATED STABILITY-INDICATING ASSAY METHOD
... Paclitaxel was subjected to different ICH prescribed stress conditions of thermal stress, hydrolysis, oxidation and photolysis. In total, six major degradation products were detected by LC and to elucidate the ...
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GC Determination of Fatty Acids in Fish Supplements
... the retention times by comparison with the available reference standards including: methyl esters of Palmitic acid, Palmitoleic acid, Stearic acid, Oleic acid, Linoleic acid, and Linolenic ...
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The investigation of unexpected arsenic compounds observed in routine biological monitoring urinary speciation analysis
... The structures in blue indicate the seven arsenicals investigated in this study, Figure S2: Chromatograms of seven additional arsenic species and their retention times analysed using an [r] ...
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Capillary gas chromatographic analysis of carbohydrates of Legionella pneumophila and other members of the family Legionellaceae
... In addition to the identification of these two rather unusual sugars, matching retention times and mass spectra, compared with standards, were obtained for the following neutral and amin[r] ...
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Development and Validation of Analytical Method for Simultaneous Estimation of Cefixime and Ofloxacin in Bulk and Tablet Dosage Form by RP-HPLC Method
... Accepted: 29 Dec 2014 The objective of present work was to develop and validate a simple, accurate,precise HPLC method for the estimation of cefixime and ofloxacin. The chromatographic separation was achieved on a ...
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PROFILING THE SECONDARY CHEMICAL CLASS OF IN VIVO MELIA COMPOSITA WILLD LEAF USING ETHANOLIC FRACTION
... For the widespread acceptance of herbal medicines, standardization, quality control of the herbal materials, as well as evaluation of efficacy, safety and quality of the phytopharmaceutical are indispensable. [8] ...
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Rapid Identification of Candida albicans Septicemia in Man by Gas Liquid Chromatography
... Because the chromatograms of several patients with superficial candidiasis and of an occasional normal control had small early peaks with relative retention times to palmitic acid simila[r] ...
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Rapid method development in ion chromatography using quantitative structure retention relationships
... the retention factor ratio (or k-ratio) as a chromatographic similarity index, where clustered compounds based on a selected k- ratio threshold value are used for ...similar retention times due to ...
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Estimation and evaluation of the effect of pH on ciprofloxacin in drug formulations
... peak retention times in chromatograms (Presented in Appendences), a qualitative parameter has also been drawn by which one can easily understand the effect of pH treatments over different treatment in terms ...
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BIOANALYTICAL METHOD DEVELOMENT AND VALIDATION OF CAPECITABINE IN PLASMA BY RP-HPLC
... Bio analysis employed for the quantitative determination of drugs and their metabolites in biological fluids. Studies involving measurement of the drugs or metabolites in the biological fluids such as blood plasma, ...
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DEVELOPMENT AND VALIDATION OF REVERSE-PHASE HPLC METHOD FOR ESTIMATION OF KETOCONAZOLE IN BULK DRUG
... A simple, accurate rapid and precise RP-HPLC method has been developed and validated for determination of ketoconazole in bulk drug. The RP-HPLC separation was achieved on Promosil C-18, (250 mm, 4.6 mm, 5µm) using ...
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Phytoremediation of Palm Oil Mill Effluent by using Pistia Stratiotes Plant and Algae Spirulina sp for Biomass Production (RESEARCH NOTE)
... Producing crude palm oil (CPO) generates significant amount of palm oil mill effluent (POME). Besides high COD /BOD contents, POME contains high amount of nutrients (nitrogen, phosphor and mineral). Traditional treatment ...
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Fast and selective HPLC-DAD method for determination of pholcodine and related substances
... Quality control of pharmaceuticals requires development of fast, efficient and reliable methods for determination of active compounds as well as known and very often unknown impurities within de- fined concentration ...
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ANALYTICAL METHOD DEVELOPMENT AND VALIDATION FOR BRINZOLAMIDE AND TIMOLOL MALEATE IN API AND COMBINE PHARMACEUTICAL DOSAGE FORMS BY RP-HPLC.Pakir PranayaDOWNLOAD/VIEW
... A Standard solution of Brinzolamide and Temolol maleate working standard was prepared as per procedure and was injected five times into the HPLC system. The system suitability parameters were evaluated from ...
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Rectal Absorption From Aspirin Suppositories in Children and Adults
... fir:;t defecation ( retention time ). Retention times as long as four to five hours resulted in only about 60% of the dose being absorbed. In our judgment the use of aspirin in the.. for[r] ...
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Potential Of Biomass Energy For Generation Of Electricity: Model For Small Rural Area Makori In District Karak Kpk And Comparison Of Power Generation From Sewage Sludge Of Makori Village With That Of Bara River In Peshawar
... Waste obtained from living organisms, including plants and animals is known as Biomass. Energy derived from biomass can be used as a direct source of energy or by converting it into a fuel called as bio fuel. Renewable ...
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