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广西师范大学学报(自然科学版) ›› 2010, Vol. 28 ›› Issue (3): 37-41.
刘承伟1, 罗志辉2,3,4, 陆尉天1, 于兰1, 卢昕2,3, 赵书林2,3
LIU Cheng-wei1, LUO Zhi-hui2,3, LU Wei-tian1, YU Lan1, LU Xin2, ZHAO Shu-lin2
摘要: 建立无需衍生的高效液相色谱-共振瑞利散射联用测定庆大霉素(gentamicin,Gen)C组分的方法。滂胺天蓝作为分子识别探针,与Gen生成离子缔合物,产生增强的散射信号,荧光检测器设定λex=λem=356 nm进行检测。实验结果表明:Gen中C1、C1a、C2和C2a4个主要组分的浓度分别在7.2~115.2、8.2~131.6、7.5~78.8、8.5~78.0 mg/L具有良好线性关系,检出限在6.0~7.2 mg/L。将方法应用于临床使用的Gen注射液测定,结果符合《中国药典》2005版规定的范围。
中图分类号:
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