Results 11 to 20 of about 745,109 (408)

Development and validation of the high-pressure liquid chromatographic method for the quantitative determination of propylthiohinothiadiazole [PDF]

open access: yesThe Moldovan Medical Journal, 2020
Background: Propylthiohinothiadiazole is a thiadiazole derivative with pronounced antimycobacterial action. Substance is researched in order to develop methods of analysis and standardization, analytical documents regulating quality for use as an active
Andrei Uncu
doaj   +1 more source

An Integrated Chromatographic Strategy for the Large-Scale Extraction of Ergosterol from Tulasnellaceae sp.

open access: yesSeparations, 2022
A reliable chromatographic strategy is crucial for the extraction of target compounds from natural sources as it is related to the preparation efficiency, as well as the purity of the compounds.
Ze Wang   +4 more
doaj   +1 more source

Determination of carbamazepine in serum and saliva samples by high performance liquid chromatography with ultraviolet detection [PDF]

open access: yesVojnosanitetski Pregled, 2009
Background/Aim. Carbamazepine is antiepileptic drug widely used for the treatment of epilepsy. Due to low therapeutic index of carbamazepine there is a need for routine measuring its concentrations in biological fluids.
Đorđević Snežana   +2 more
doaj   +1 more source

Phenolic profile, antioxidant and antiproliferative activities of Convolvulus aucheri Choisy [PDF]

open access: yesVojnosanitetski Pregled, 2022
Background/Aim. It is known that some members of the genus Convolvulus (C) L. are commonly used in Turkish folk medicine. These species are powerful in curing toothache and joint pains.
Ozay Cennet, Mammadov Ramazan
doaj   +1 more source

Effective method for the detection of piroxicam in human plasma using HPLC

open access: yesBrazilian Oral Research, 2016
Non-steroidal anti-inflammatory drugs (NSAIDs) are widely used by the general population to alleviate inflammation and pain after oral surgeries. Piroxicam is among the most commonly used NSAIDs and excels in controlling pain, swelling, trismus and other
Adriana Maria CALVO   +7 more
doaj   +1 more source

Preparation and Antioxidant Activities of Phenylethanoids from Dracocephalum heterophyllum

open access: yesSeparations, 2022
The health benefits of Dracocephalum heterophyllum are widely reported in traditional Tibetan medicines, but the reported chemical composition is limited, probably due to difficulties in separating and purifying compounds.
Yue Lv   +6 more
doaj   +1 more source

Current developments in LC-MS for pharmaceutical analysis [PDF]

open access: yes, 2002
The current developments in liquid chromatography-mass spectrometry (LC-MS) and its applications to the analysis of pharmaceuticals are reviewed. Various mass spectrometric techniques, including electrospray and nanospray ionization, atmospheric pressure
Lim, Chang-Kee, Lord, Gwyn A.
core   +1 more source

Application of New Supercritical Extraction Technology in Extraction and Separation of Effective Components of Traditional Chinese Medicine [PDF]

open access: yesMATEC Web of Conferences, 2021
Supercritical CO2 extraction technology uses supercritical CO2 fluid as extractant to extract and separate effective components from plants from liquid or solid. At present, CO2 is widely used in supercritical fluid, with a critical temperature of 31.265
Cheng Lijuan
doaj   +1 more source

Lipophilicity determination of β-hydroxy-β-arilalkanoic acids by reversed phase liquid chromatography under high pressure [PDF]

open access: yesArhiv za farmaciju, 2018
Lipophilicity parameters (logP) were determined for thirteen synthesized β-hydroxy-β-arilalkanoic acids using reversed phase high performance liquid chromatography.
Savić Jelena   +4 more
doaj   +1 more source

Quantitative estimation of urinary ortho-cresol by high pressure liquid chromatography for biomonitoring of toluene exposed population

open access: yesEnvironmental Disease, 2020
Aim: Quantification of urinary ortho-cresol (OC) by high pressure liquid chromatography coupled with photodiode array detector. Materials and Methods: Includes acid hydrolysis of urine, liquid–liquid extraction, and chromatography quantification of ...
Anupa Yadav   +2 more
doaj   +1 more source

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