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十六烷基三甲基溴化铵对脱水四环素和异四环素荧光增强作用研究
引用本文:查建蓬,林颖,杨星惠,侯海妮,魏铁军,陈兴丽.十六烷基三甲基溴化铵对脱水四环素和异四环素荧光增强作用研究[J].光谱学与光谱分析,2002,22(3):430-432.
作者姓名:查建蓬  林颖  杨星惠  侯海妮  魏铁军  陈兴丽
作者单位:1. 河北医科大学药学院,河北,石家庄,050017
2. 河北维尔康制药有限公司,河北,石家庄,050031
摘    要:在不同pH值的标准缓冲溶液及不同表面活性剂十六烷基三甲基溴化铵(CTMAB)浓度的胶束溶液环境中,研究了CTMAB对盐酸四环素的降解产物脱水四环素和异四环素的荧光强度的影响。结果表明,CTMAB对脱水四环素和异四环素具有荧光增强作用,荧光增强幅度与介质的pH值和CTMAB浓度有关,在中性和碱性条件下对脱水四环素荧光增强作用较大,在pH=9.2的条件下可使异四环素的荧光强度达到最大值,CTMAB对脱水四环素和异四环素的这种荧光增强作用,为建立较灵敏的盐酸四环素及其降解产物的荧光定量方法提供了依据。

关 键 词:荧光增强  盐酸四环素  脱水四环素  异四环素  十六烷基三甲基溴化铵  表面活性剂  荧光法  定量分析
文章编号:1000-0593(2002)03-0430-03
修稿时间:2000年12月22

Cetyltrimethylammonium Bromide for Fluorescence Enhancement of Anhydrotetracycline Hydrochloride and Iso-tetracycline
ZHA Jian peng ,LIN Ying ,YANG Xing hui ,HOU Hai ni,WEI Tie jun,and CHEN Xing li.Cetyltrimethylammonium Bromide for Fluorescence Enhancement of Anhydrotetracycline Hydrochloride and Iso-tetracycline[J].Spectroscopy and Spectral Analysis,2002,22(3):430-432.
Authors:ZHA Jian peng  LIN Ying  YANG Xing hui  HOU Hai ni  WEI Tie jun  and CHEN Xing li
Institution:Department of Pharmacy, Medical University of Hebei, Shijiazhuang 050017, China.
Abstract:Fluorescence enhancement of anhydrotetracycline hydrochloride and iso tetracycline has been described.The fluorescence intensities of anhydrotetracycline hydrochloride and iso tetracycline with cetyltrimethylammonium bromide (CTMAB) enhanced by micellar solution have been examined.It is found that fluorescence enhancement of anhydrotetracycline hydrochloride and iso tetracycline depends on the concentration of CTMAB and pH of the solution.It can be used to develop sensitive methods for the determination of tetracycline hydrochloride and its decomposition product.
Keywords:Fluorescence enhancement  Tetracycline hydrochloride  Anhydrotetracycline hydrochloride  Iso  tetracycline  Cetyltrimethylammonium bromide
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