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http://hdl.handle.net/11701/2116
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Поле DC | Значение | Язык |
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dc.contributor.author | Vakh, Christina | - |
dc.contributor.author | Pochivalov, Aleksei | - |
dc.contributor.author | Andruch, Vasil | - |
dc.contributor.author | Moskvin, Leonid | - |
dc.contributor.author | Bulatov, Andrey | - |
dc.date.accessioned | 2016-04-17T20:34:51Z | - |
dc.date.available | 2016-04-17T20:34:51Z | - |
dc.date.issued | 2016-02-11 | - |
dc.identifier | 10.1016/j.aca.2015.12.004 | - |
dc.identifier.citation | Analytica Chimica Acta 907 (2016) 54e59 | en_GB |
dc.identifier.issn | 10.1016/j.aca.2015.12.004 | - |
dc.identifier.uri | http://hdl.handle.net/11701/2116 | - |
dc.description.abstract | A novel fully automated effervescence-assisted switchable solvent-based liquid phase microextraction procedure has been suggested. In this extraction method, medium-chain saturated fatty acids were investigated as switchable hydrophilicity solvents. The conversion of fatty acid into hydrophilic form was carried out in the presence of sodium carbonate. The injection of sulfuric acid into the solution decreased the pH value of the solution, thus, microdroplets of the fatty acid were generated. Carbon dioxide bubbles were generated in-situ, and promoted the extraction process and final phase separation. The performance of the suggested approach was demonstrated by the determination of ofloxacin in human urine samples using high-performance liquid chromatography with fluorescence detection. This analytical task was used as a proof-of-concept example. Under the optimal conditions, the detector response of ofloxacin was linear in the concentration ranges of 3·10(-8)-3·10(-6) mol L(-1). The limit of detection, calculated from a blank test based on 3σ, was 1·10(-8) mol L(-1). The results demonstrated that the presented approach is highly cost-effective, simple, rapid and environmentally friendly. | en_GB |
dc.description.sponsorship | This work was supported by the Russian Foundation for Basic Research (projects no. 13e03e00031ea, no. 15-33-20068, no. 16- 33-60137-mol_a_dk, 16-33-00037-mol_a), Scientific Grant Agency of the Ministry of Education of the Slovak Republic and the Slovak Academy of Sciences (Grant no. VEGA 1/0010/15). Scientific research was performed at the Center for Chemical Analysis and Materials Research and the Educational Resource Center of Research Park of St.Petersburg State University. This work was supported in part through the development of bilateral cooperation between the Slovak and Russian universities within the Operational Programme Education financed by the European Social Fund (ESF) (project ITMS 26110230084). | en_GB |
dc.language.iso | en | en_GB |
dc.publisher | Elsevier | en_GB |
dc.subject | Effervescence-assisted switchable solventbased liquid phase microextraction | en_GB |
dc.subject | Green analytical chemistry | en_GB |
dc.subject | Flow analysis | en_GB |
dc.subject | Fatty acids | en_GB |
dc.subject | Ofloxacin | en_GB |
dc.subject | Urine | en_GB |
dc.title | A fully automated effervescence-assisted switchable solvent-based liquid phase microextraction procedure: Liquid chromatographic determination of ofloxacin in human urine samples | en_GB |
dc.type | Article | en_GB |
Располагается в коллекциях: | Articles |
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Файл | Описание | Размер | Формат | |
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Ofloxacin_ACA_2016.pdf | 996,81 kB | Adobe PDF | Просмотреть/Открыть |
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