The Quantitative Determination of Etonium by the Enzymatic Kinetic-Spectrophotometric Method

Autor: Mykola Ye. Blazheyevskiy, Olena V. Kovalska

Publikováno v: Журнал органічної та фармацевтичної хімії, Vol 22, Iss 1, Pp 57-62 (2024)

The use of the cholinesterase enzyme as a component of the analytical system has made it possible to develop a new kinetic-spectrophotometric method, which is alternative to the pharmacopoeial method, for determining the quaternary ammonium salt –

Externí odkaz: https://doaj.org/article/b47482fa862a488a9a3b0aea0642de76

Development and validation of the enzymatic kinetic photometric procedure for determination of residual quantities of dequalinium chloride on the surface of the pharmaceutical equipment

Autor: Mykola Ye. Blazheyevskiy, O. V. Kovalska, Ye. O. Tsapko, D. D. Shapovalenko

Publikováno v: Журнал органічної та фармацевтичної хімії, Vol 17, Iss 3, Pp 35-43 (2019)

Aim. To develop and validate the new enzymatic kinetic photometric procedure for analysis of dequalinium chloride based on application of enzymatic acetylcholine hydrolysis to determine the residual quantities of dequalinium chloride while monitoring

Externí odkaz: https://doaj.org/article/2a4cc69a19da4bcf850ba3c5d5ff61c5

Comparison of Three Independent Methods of Cephalexin Determination by Means of Potassium Caroate

Autor: Mykola Ye. Blazheyevskiy, Yuliia Yu. Serdiukova

Publikováno v: Ars Pharmaceutica (Internet) v.58 n.2 2017
SciELO España. Revistas Científicas Españolas de Ciencias de la Salud
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Ars Pharmaceutica, Vol 58, Iss 2, Pp 59-65

Aims.Three different assays for the quantity determination of Cephalexin in pure substance were developed and compared using potassium caroate as analytical reagent. Materials and Methods. Cephalexin pure substance was used and analytical reaction by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62db1bcbe21427f241760313a9a2974c
http://scielo.isciii.es/scielo.php?script=sci_arttext&pid=S2340-98942017000200059