Results 1 to 10 of about 1,288,740 (410)

Extraction and determination of Benzoyl-urea insecticides in some fresh fruits using dispersive liquid phase micro-extraction and HPLC method [PDF]

open access: yesBihdāsht-i Mavādd-i Ghaz̠āyī, 2021
To improve the quality and increase the shelf life of agricultural products, many pesticides are widely used. Although the use of pesticides in agricultural applications provides a wide range of beneficial effects, overuse of these substances results in ...
J. Khandaghi, M. R. Afshar Mogaddam
doaj   +1 more source

Management of validation of HPLC method for determination of acetylsalicylic acid impurities in a new pharmaceutical product

open access: yesScientific Reports, 2022
The work mainly focused on a validation of the method for determining the content of salicylic acid and individual unknown impurities in new pharmaceutical product—tablets containing: 75, 100 or 150 mg of acetylsalicylic acid and glycine in the amount of
M. Kowalska   +5 more
semanticscholar   +1 more source

High-Performance Liquid Chromatography (HPLC): A review

open access: yesAnnals of Advances in Chemistry, 2022
Today HPLC is widely applied for separations and purifications in a variety of areas including pharmaceuticals, biotechnology, environmental, polymer and food industries.
Ali Abdu Hussen
semanticscholar   +1 more source

Simultaneous Determination of Levodopa and Carbidopa from Fava Bean, Green Peas and Green Beans by High Performance Liquid Gas Chromatography [PDF]

open access: yesJournal of Clinical and Diagnostic Research, 2013
Introduction: According to many studies, sprouted fava beans are a rich source of levo-dihydroxy phenylalanine (L-dopa) the precursor of dopamine, and they are now being investigated for use in the management of Parkinson’s disease.
Mohseni Mehran S.M., Golshani B.
doaj   +1 more source

A single liquid chromatography procedure to concentrate, separate and collect size-selected polyynes produced by pulsed laser ablation in water [PDF]

open access: yesFullerenes, Nanotubes and Carbon Nanostructures, 2023, 2022
Polyynes are linear carbon chains characterized by alternated single and triple bonds and terminated by hydrogen or other terminal substituents. They can be synthesized by pulsed laser ablation in liquid (PLAL) as a scalable, cost-effective, and fast physical technique.
arxiv   +1 more source

Discrimination and chemical composition quantitative model of Raw Moutan Cortex and Moutan Cortex Carbon based on electronic nose and machine learning

open access: yesMathematical Biosciences and Engineering, 2022
Raw Moutan Cortex (RMC) is a traditional medicinal material commonly used in China. Moutan Cortex Carbon (MCC) is a processed product of RMC by stir-frying. As raw and processed products of the same Chinese herb pieces, they have different effects.
Sujuan Zhou, Huajian Lin , Jiang Meng
doaj   +1 more source

Validated HPLC method for quantification of copanlisib in mice plasma: application to a pharmacokinetic study

open access: yesADMET and DMPK, 2020
Copanlisib is a pan phosphatidylinositol 3-kinase (PI3K) inhibitor approved for follicular lymphoma. In this paper, we present the data of development and validation of a high-performance liquid chromatography (HPLC) method for the quantitation of ...
Ashok Zakkula   +7 more
doaj   +1 more source

HPLC-UV method for quantification of favipiravir in pharmaceutical formulations

open access: yesActa Chromatographica, 2020
Favipiravir (FVP), a pyrazine analog, has shown antiviral activity against a wide variety of viruses. It is considered to be worth further investigation as a potential candidate drug for COVID-19. It is not officially available in any pharmacopoeia.
I. Bulduk
semanticscholar   +1 more source

The chemical composition of polyphenolic compounds Achillea micranthoides Klok. herbs

open access: yesФармацевтичний журнал, 2020
For obtain modern herbal remedies, medicinal plants containing flavonoids and hydroxycinnamic acids are promising. These polyphenolic compounds are characterized by structural diversity, non-toxicity, a wide range of pharmacological activity.
I. F. Duyun   +3 more
doaj   +1 more source

Chiral separation of beta-blockers by high-performance liquid chromatography and determination of bisoprolol enantiomers in surface waters

open access: yesArhiv za Higijenu Rada i Toksikologiju, 2020
Beta-blockers are chiral compounds with enantiomers that have different bioactivity, which means that while one is active, the other can be inactive or even harmful.
Pocrnić Marijana   +5 more
doaj   +1 more source

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