Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Yaroslav Bazeľ"'
Publikováno v:
Molecules, Vol 29, Iss 14, p 3397 (2024)
A new green and highly sensitive method for the determination of rhodamine B (RhB) by deep eutectic solvent-based vortex-assisted liquid–liquid microextraction with fluorescence detection (DES-VALLME-FLD) was developed. The extraction efficiency of
Externí odkaz:
https://doaj.org/article/6f1c2db0bcc44a2190abec9c2bd1f088
Publikováno v:
Acta Chimica Slovenica, Vol 65, Iss 2, Pp 388-393 (2018)
Thin-layer chromatography (TLC) is an often omitted analytical technique due to its lower sensitivity and separation capacity. Even in the era of high-performance liquid chromatography (HPLC), thin-layer chromatography still offers many advantages, s
Externí odkaz:
https://doaj.org/article/63b3c3d3f09c4960b20e446fa2d63a71
Autor:
Viera Vojteková, Yaroslav Bazeľ, Maksym Fizer, Vasyl Sidey, Katarína Reiffová, Orest Fedyshyn, Oleksandr Tymoshuk, Yurii Ostapiuk
Publikováno v:
Journal of Molecular Structure. 1246:131150
A new method for the determination of palladium has been developed based on the dispersive liquid–liquid microextraction preconcentration with UV-VIS spectrometry detection. In the proposed approach, 1-[(5-(3-nitrobenzyl)-1,3-thiazol-2-yl)diazenyl]
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::367e165b1f4745f548a8673a0924fc18
https://doi.org/10.1016/j.molstruc.2021.131150
https://doi.org/10.1016/j.molstruc.2021.131150
Publikováno v:
Journal of Molecular Liquids. 337:116476
The solvatochromic effect of solvents on the absorption and fluorescence spectra of three carbocyanine dyes, namely 1,1′,3,3,3′,3′-hexamethylindocarbocyanine chloride (HIC); 1,1′,3,3,3′,3′-hexamethylindodicarbocyanine iodide (HIDC); and 3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d95706076be23c2902cef8630d28c22c
https://doi.org/10.1016/j.molliq.2021.116476
https://doi.org/10.1016/j.molliq.2021.116476
Autor:
Veronika Bozóová, Vasil Andruch, Kiril B. Gavazov, Jana Šandrejová, Andriy B. Vishnikin, Serhii Zaruba, Yaroslav Bazeľ
Publikováno v:
Microchemical Journal. 132:59-68
A novel, sensitive and selective method for the spectrophotometric determination of the basic inorganic iodine species was developed based on the vortex-assisted liquid–liquid microextraction (VALLME) of an ion pair formed between colorless tetrabu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8ebf19c490c52623d4dc6d565931fa1
https://doi.org/10.1016/j.microc.2017.01.004
https://doi.org/10.1016/j.microc.2017.01.004
Publikováno v:
Talanta. 226:122185
A new and fully automated system with the interconnection of an Optical Immersion Probe (OIP) – pH meter – peristaltic pump was used to study the spectral and protolytic properties of carbocyanine the dyes 1,1′,3,3,3′,3′-hexamethylindocarbo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::22cb186c128e2e76008920f75e697728
https://doi.org/10.1016/j.talanta.2021.122185
https://doi.org/10.1016/j.talanta.2021.122185
Publikováno v:
PLoS ONE, Vol 19, Iss 8, p e0309121 (2024)
The combination of an optical probe and single-drop direct immersion microextraction (DI-SDME-OP) was used for the preconcentration and subsequent spectrophotometric determination of rhodamine 6G (Rh6G). The developed method is based on the formation
Externí odkaz:
https://doaj.org/article/af085d9c6a1344b69b3a4d8ebd0be79d
Autor:
Ján Imrich, Yaroslav Bazeľ, Vasyl Sidey, Mária Vilková, Oksana V. Barabash, Orest Fedyshyn, Yurii Ostapiuk, Oleksandr Tymoshuk, Maksym Fizer
Publikováno v:
Journal of Molecular Liquids. 304:112713
A new thiazolylazo structure, 1-[(5-(3-nitrobenzyl)-1,3-thiazol-2-yl)diazenyl]naphthalen-2-ol (NBnTAN), has been synthesized for the first time. The geometric parameters and properties of the new dye were studied using spectroscopic, DFT and semiempi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::70d157e1b1dd1cc97ce6a302e16cc2ef
https://doi.org/10.1016/j.molliq.2020.112713
https://doi.org/10.1016/j.molliq.2020.112713
Autor:
Yaroslav Bazeľ, Ján Tóth
Publikováno v:
Applied spectroscopy. 73(5)
The aim of this work is the development, optimization, and validation of a new spectrophotometric kinetic method for the determination of dissolved chromium species in water samples with the use of the polymethine dye Astra Phloxine FF. The progress
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a5cd0dcaf2c6e88ee0788675ae8d019
https://pubmed.ncbi.nlm.nih.gov/30350718
https://pubmed.ncbi.nlm.nih.gov/30350718
Publikováno v:
Acta Chimica Slovenica, Vol 65, Iss 2, Pp 388-393 (2018)
Thin-layer chromatography (TLC) is an often omitted analytical technique due to its lower sensitivity and separation capacity. Even in the era of high-performance liquid chromatography (HPLC), thin-layer chromatography still offers many advantages, s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fbc94be39f9a4d6aa53f955e07fb634c
https://pubmed.ncbi.nlm.nih.gov/29993100
https://pubmed.ncbi.nlm.nih.gov/29993100