Abstract：
:A capillary electrophoresis method based on polyamidoamine dendrimers has been developed for quick and sensitive detection of moxifloxacin, gatifloxacin, lomefloxacin, enoxacin, ofloxacin and pazufloxacin. Increasing buffer alkalinity led to enhanced sensitivity, whereas the polyamidoamine-fluoroquinolone interactions, i.e., in-cavity hydrogen bonding/hydrophobic interaction and electrostatic interaction, contributed to the improvement in both separation efficiency and detection sensitivity. By using 1 mM polyamidoamine generation 0.5 as binding agent in sample solution and 0.1 μM polyamidoamine generation zero as pseudostationary phase to the running buffer of 5 mM sodium tetraborate at pH 9.3, the six fluoroquinolones were baseline separated in <10 min with detection limits at ng/mL level. Coupled with liquid-liquid extraction, the proposed method was successfully applied in the determination of fluoroquinolones in chicken muscle samples.
journal_name
Food Chemjournal_title
Food chemistryauthors
Tian J,Hu J,Yang F,Tang T,Guo J,Qin Wdoi
10.1016/j.foodchem.2014.02.070subject
Has Abstractpub_date
2014-08-15 00:00:00pages
498-503eissn
0308-8146issn
1873-7072pii
S0308-8146(14)00255-6journal_volume
157pub_type
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