Results 11 to 20 of about 602,860 (218)

Development and Validation of Valganciclovir and its Active Metabolite Ganciclovir Determination in Human Plasma by HPLC-UV Method

open access: yesРазработка и регистрация лекарственных средств, 2020
Introduction. Viral infections are a serious problem that occurs during the use of immunosuppressants in preparation for organ transplantation and in the postoperative period.
T. N. Komarov   +6 more
doaj   +1 more source

Polysaccharide Constituents of Three Types of Sea Urchin Shells and Their Anti-Inflammatory Activities

open access: yesMarine Drugs, 2015
As a source of potent anti-inflammatory traditional medicines, the quantitative chromatographic fingerprints of sea urchin shell polysaccharides were well established via pre-column derivatization high performance liquid chromatography (HPLC) analysis ...
Heng Jiao   +6 more
doaj   +1 more source

Chromato-mass-spectrometry of the analysis of the sum of the common mushrooms [PDF]

open access: yesBIO Web of Conferences, 2023
There are conflicting views among researchers on the precise beginning of champignon cultivation. While some contend that its cultivation began in France, others assert that it originated in Italy around a thousand years ago. French farmers discovered in
Sapaev Bairamdurdi   +4 more
doaj   +1 more source

The Development of a Turbidimetric Method for the Quantitative Determination of Antibiotics of the Aminoglycoside Group in Medications

open access: yesАнтибиотики и Химиотерапия, 2020
A method for the quantitative determination of streptomycin sulfate in medicines by the turbidimetric method has been developedand validated. Based on the results of the experiments, it was found that the metrological characteristics of such validation ...
E. N. Semenova   +2 more
doaj   +1 more source

Quantitative determination of major nandrolone metabolite in human urine by gas chromatography/mass spectrometry

open access: yesЖурнал Белорусского государственного университета: Химия, 2019
Nandrolone is an anabolic androgenic steroid. The use of this substance is prohibited by World Anti-Doping Agency (WADA). In National Anti-Doping Laboratory, we have developed method for quantitative determination of major nandrolone metabolite – 19 ...
Pavel G. Shahoika   +5 more
doaj   +1 more source

VALIDATION METHODS FOR QUANTITATIVE DETERMINATION OF 4,4'-DIMETHYL-7,7'-ETHYLENDIOXY-2H-1-DIBENZOPYRAN-2,2'-DIONE SUBSTANCE

open access: yesРазработка и регистрация лекарственных средств, 2019
Introduction. One of the most promising synthetic compounds of coumarin derivatives is immunacor-4,4'-dimethyl-7,7'-ethylenedioxy-2H-1-dibenzopyran-2,2'-dione. As a result of preclinical studies, it has been shown that it is promising in medical practice
C. B. Nguyen, A. Z. Abyshev
doaj   +1 more source

Research in the Development and Validation of the Method of Quantitative Determination of Flavonoids in the Common Sorrel Herba, Gathered in the Altai Territory

open access: yesРазработка и регистрация лекарственных средств, 2019
Introduction. Common sorrel (Rumex acetosa L.) is a biennial herb from the Buckwheat family (Polygonaceae L.). In our previously studies of phenolic compounds composition of alcohol extraction and ethereal, ethyl acetate, butanol fractions of common ...
G. R. Kutateladze, L. M. Fedoseeva
doaj   +1 more source

A NEW METHOD OF QUANTITATIVE DETERMINATION OF FLAVONOIDS IN LINDEN FLOWERS

open access: yesИзвестия высших учебных заведений. Поволжский регион: Естественные науки, 2020
Background. Linden flowers (Tilia cordata Mill) in the form of various medicinal forms is used as a diaphoretic and expectorant. The pharmacological properties of Linden flower preparations are mainly due to the essential oil (farnesol) and ...
N. A. Gavrilova   +4 more
doaj   +1 more source

Simultaneous determination of amoxicillin and clavulanic acid in pharmaceutical preparations by capillary zone electrophoresis

open access: yesBrazilian Journal of Pharmaceutical Sciences
Clavulanic acid enhances the antibacterial spectrum of amoxicillin by rendering most β-lactamase producing isolates susceptible to the drug. A fast, simple and efficient capillary electrophoresis method was developed for the simultaneous determination of
Gabriel Hancu   +3 more
doaj   +1 more source

DEVELOPMENT OF SPECTROPHOTOMETRIC METHOD FOR DETERMINATION OF LISINOPRIL IN TABLET DOSAGE FORM

open access: yesActa Medica Leopoliensia, 2022
Aim. The research aims at developing a fast, simple, reliable spectrophotometric method according to "green" chemistry principles for the determination of lisinopril in pure substance and in drugs presented on the Ukrainian market.
Nataliya Shulyak   +3 more
doaj   +1 more source

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