Abstract：The fluorescence of metacycline enhanced by the synergetic effect of β-cyclodextrin with anion surfactant sodium dodecylbenzene sulfonate (DBS) was studied. It was found that the fluorescence intensity of metacycline was greatly enhanced in the system of β-CD-DBS. Based on this a new sensitive method for the determination of metacycline was established. The experiments indicated that MTC-β-CD-DBS can form 1∶1∶1 ternary inclusion complex with apparent stability constant of 1 294 L2·mol-2,respectively. The fluorescence intensity was linearly related to the metacycline concentration in the range of 1.7×10-7 to 8.8×10-5 mol·L-1 with a correlation coefficient of 0.996 6. The detection limit was 7.4×10-9 mol·L-1 this method was satisfactorily applied to the determination of metacycline in pharmaceutical preparations. The recovery was within the range of 95% to 106%.
敖登高娃, 斯琴. β-CD、DBS协同增敏美他环素的荧光光谱研究及分析应用[J]. 光谱学与光谱分析, 2008, 28(11): 2640-2643.
AO Deng-gaowa,SI Qin. Studies and Application of Fluorescence of Metacycline Enhanced by Synergetic Effect of β-Cyclodextrin and DBS. SPECTROSCOPY AND SPECTRAL ANALYSIS, 2008, 28(11): 2640-2643.
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