نتایج جستجو برای: high performance liquid chromatography hplc

تعداد نتایج: 3053299  

Journal: :Asian journal of pharmaceutical research and development 2021

Background: Jamu is commonly known as an Indonesian traditional herbal medicine that contains ingredients or derived from plants, animals, minerals, galenic, mixtures of these have been hereditary for medicinal use. Some studies reported the presence chemicals are deliberately added to Jamu. Jamuthat containing usually had a faster healing effect compared do not contain chemicals. cause serious...

2009
S. D. Bhagat

Modern chromatography by virtue offantastic capabilities for separation, qharacterization, quantitation and fractionation has emerged as a potential analytical technique for hydrocarbon industry. Presently the gas chromatography alongwith high performance liquid chromatography coverwide range ofapplications in diversified areas including Basic and applied research. Availability of large number ...

Determination of drug residues in food is of great importance due to their toxicity. Long-term exposure with low level of drug residues could be important, especially in children. Based on document study, oxytetracycline (OTC) is a prophylaxis and treatment agent for great number of diseases and possesses a broad spectrum activity against many pathogenic organisms and can be toxic or cause alle...

Journal: :Lc Gc Europe 2021

Qualification and calibration of high performance liquid chromatography (HPLC) chromatographs is a regulatory requirement, but how proscriptive should guidance be?

Journal: :nutrition and food sciences research 0
zohreh taghvaee isiri, karaj, iran zahra piravivanak isiri, karaj, iran keramatollah rezaee university of tehran, karaj 31587-77871, iran mohammad faraji isiri, karaj, iran sara nanvazadeh isiri, karaj, iran

background and objectives: a method was developed and validated for determining 15 polycyclic aromatic hydrocarbons (pahs) in refined olive and refined pomace olive oils using high performance liquid chromatography coupled with a fluorescence detector. materials and methods: the sample preparation involved liquid–liquid extraction with organic solvent and low temperature clean-up. the low tempe...

2012
Felipe Rebello Lourenço

This work proposes a procedure to estimate the measurement uncertainty for the quantification of cefazolin by high-performance liquid chromatography (HPLC) and microbiological assay (bioassay). HPLC method was performed according to United States Pharmacopeia (USP) and bioassay according to Brazilian Pharmacopeia (FB). The quantification of cefazolin by high-performance liquid chromatography wa...

2015
Afaf Merghani Elsayed

Propolis is a natural resin of a variety of plant origins collected by honeybees to seal gaps and cracks in their hives. Propolis was used as a remedy of various diseases due to its versatile biological activities. At least 200 compounds have been identified in the world. The present study aimed to investigate the chemical composition of two samples of Sudanese propolis collected from El-Faki H...

2011
F. B. STENTZ H. L. HARRIS

We studied the metabolism of A14l-insulin in intact human fibroblasts using high performance liquid chromatography (HPLC) to detect and separate its early degradation products. The high resolving power of HPLC enabled us to separate what has been considered "intact insulin" by Sephadex G-50 chromatography or TCA precipitability into two additional peaks that had decreased biochemical properties...

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