Magnetic Solid-Phase Extraction and Fluorimetric Determination of Some Fluoroquinolones

被引：16
|
作者：
Egunova, O. R. [1 ]
Reshetnikova, I. S. [1 ]
Kazimirova, K. O. [1 ]
Shtykov, S. N. [1 ]
机构：
[1] Chernyshevskii Saratov Natl Res State Univ, Inst Chem, Saratov 410012, Russia
来源：
JOURNAL OF ANALYTICAL CHEMISTRY | 2020年 / 75卷 / 01期
基金：
俄罗斯基础研究基金会;
关键词：
magnetite; nanoparticles; modification; enrofloxacin; levofloxacin; pefloxacin; sorption; concentration; fluorimetric determination; PERFORMANCE LIQUID-CHROMATOGRAPHY; HYPERCROSSLINKED POLYSTYRENE; FACILE SYNTHESIS; MILK SAMPLES; NANOPARTICLES; WATER; PRECONCENTRATION; ENROFLOXACIN; FLUORESCENCE; SORBENT;
D O I：
10.1134/S1061934820010062
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
An approach to estimating the concentration of fluoroquinolones based on their sorption and preconcentration by magnetic solid-phase extraction on magnetite nanoparticles modified with cetyltrime-thylammonium bromide cations (CTAB) or polyethyleneimine cationic polyelectrolyte (PEI), and the fluorimetric determination of these preparations is proposed. The optimal conditions for the modification of magnetite nanoparticles by PEI and CTAB cations are found. Using examples of enrofloxacin, levofloxacin, and pefloxacin, patterns of their sorption and preconcentration on modified magnetite nanoparticles are found. Fluorimetric procedures for the determination of enrofloxacin and levofloxacin in river water, a plasma substitute, and veterinary preparations are tested.
引用
收藏
页码：24 / 33
页数：10
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