HPLC法测定萘普生固体脂质纳米粒中主成分的含量 点击下载
论文标题: HPLC法测定萘普生固体脂质纳米粒中主成分的含量
英文标题:
中文摘要: 目的:建立测定萘普生固体脂质纳米粒中主成分含量的方法。方法:采用微乳法制备萘普生固体脂质纳米粒,并采用高效液相色谱法测定含量。色谱柱为Elite C18,流动相A为甲醇、流动相B为0.01 mol/L磷酸二氢钾缓冲溶液(磷酸调节pH至3.0)(梯度洗脱),流速为1.0 ml/min,检测波长为240 nm,柱温为25 ℃,进样量为20 μl。结果:萘普生检测质量浓度线性范围为0.2~180.0 μg/ml(r=0.999 7);精密度、稳定性、重复性试验的RSD<1%;加样回收率为98.97%~100.67%,RSD=0.50%(n=9)。结论:该方法简便、精确,可排除萘普生固体脂质纳米粒中辅料的干扰,适用于其中主成分的含量测定。
英文摘要: OBJECTIVE: To establish a method for the content determination of main ingredient in naproxen solid lipid nanoparticles. METHODS: Microemulsion method was used to prepare naproxen solid lipid nanoparticles, and HPLC was used for the content determination. The column was Elite C18 with mobile phase A of methanol and B of 0.01mol/L KH2PO4 buffer solution (adjust pH to 3.0 by phosphoric acid)(gradient elution) at a flow rate of 1.0 ml/min, detection wavelength was 240 nm, column temperature was 25 ℃,and injection volume was 20 μl. RESULTS:The linear range of naproxen was 0.2-180.0 μg/ml(r=0.999 7); RSDs of precision, stability and reproducibility were lower than 1.00%; recovery was 99.73%-100.29%(RSD=0.20%,n=9). CONCLUSIONS: The method is simple, accurate, and can exclude the accessories’ interference in naproxen solid lipid nanoparticles, which is suitable for the content determination of main ingredient.
期刊: 2016年第27卷第36期
作者: 付佳,高赛男,周学刚,辛萍,孙世芹
英文作者: FU Jia,GAO Sainan,ZHOU Xuegang,XIN Ping,SUN Shiqin
关键字: 萘普生固体脂质纳米粒;高效液相色谱法;含量测定
KEYWORDS: Naproxen solid lipid nanoparticles; HPLC; Content determination
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