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Information × Registration Number 0226U002344, (0125U000871) , R & D reports Title Novel "green" combined spectroscopic methods and their analytical applications popup.stage_title Загальні питання (мікро)екстракції із використанням "зелених" супрамолекулярних розчинників Head Snihur Denys V., Кандидат хімічних наук Registration Date 23-02-2026 Organization Odesa I.I. Mechnikov National University popup.description1 The aim of the current project is development of novel "green" combined spectroscopic analysis methods with improved metrological characteristics and their application to the determination of analytes of various nature to ensure quality control and safety of pharmaceuticals and food products, and primarily, environmental monitoring and detection of pollutants that will enter the environment as a result of military operations. popup.description2 The project is aimed at the development and implementation of new “green” combined spectroscopic analytical methods for use in testing laboratories engaged in the determination of contaminants, including those that may enter the environment as a result of military activities, as well as in quality and safety control of food products and materials. Based on the project results, the current state and specific features of the analytical application of cloud point extraction preconcentration were analyzed. Using scientometric approaches the main trends and key directions in the advancement of cloud point extraction preconcentration were identified. A supramolecular solvent was proposed for the preconcentration and spectrophotometric determination of the natural food colorant E160a (β-carotene). An approach to cloud point extraction preconcentration and spectrophotometric determination of zinc was developed, in which the intensification of phase formation is achieved by introducing a deep eutectic solvent and applying an air-assisted technique. The acid-base properties of initiators of low-temperature micellar extraction were studied, and their mechanism of action was proposed. Criteria for selecting initiators of low-temperature cloud point extraction namely salts of aromatic amines and related compounds were developed. The complexation of Fe(II,III), Cr(III,VI), and V(IV,V) with a series of 6,7-dihydroxybenzopyrylium derivatives was investigated, and the stoichiometry of the interaction products were established. A set of combined extraction-spectroscopic methods was developed for the determination of Ge(IV), Bi(III), Zn(II), Ni(II), total iron, different oxidation states of chromium (Cr(III,VI)) and vanadium (V(IV,V)), as well as the food colorants β-carotene and carmoisine. Product Description popup.authors Mykhailo V. Arabaji Denys V. Snigur Dmytro O. Barbalat Olena M. Zhukovetska Alona S. Stoyanova Dmytro V. Barladian Anhelina V. Demchuk Yelyzaveta O. Shevchenko popup.nrat_date 2026-02-23 Close