共查询到20条相似文献,搜索用时 15 毫秒
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Duffau Boris Ettienne Laurie Rossana Camila Rojas Sonia Rocha René 《平面色谱法杂志一现代薄层色谱法》2016,29(5):394-396
JPC – Journal of Planar Chromatography – Modern TLC - 相似文献
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JPC – Journal of Planar Chromatography – Modern TLC - 相似文献
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Banerjee Ananya Sane Ramesh T. Mangaonkar Kiran Shailajan Sunita Deshpande Abhijeet Gundi Gunesh 《平面色谱法杂志一现代薄层色谱法》2006,19(1):68-72
JPC – Journal of Planar Chromatography – Modern TLC - A sensitive, simple, and accurate high-performance thin-layer chro-matographic method has been established for determination of... 相似文献
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Ethanolic and aqueous extracts of the leaves and flowers of Alstonia scholaris were evaluated for their antioxidant activity by investigating their effect on blood glutathione levels in alloxan-induced diabetic rats. The ethanolic extract of the leaves was the most active; therefore, its cytotoxicity against HepG2 cells was also tested. Promising GI?? values of 1.96, 4.34 and 4.65?μg?mL?1 were observed for the extract, its chloroform and ethyl acetate fractions, respectively. The chloroform active subfraction I (GI???=?2.97?μg?mL?1) yielded betulin (1), betulinic acid (2) and ursolic acid (3) upon purification. Compounds 1-3 were identified using spectroscopic techniques and by comparison with reported data. GLC of unsaponifiable and saponifiable fractions of the hexane extract revealed β-sitosterol (7.37%) and n-tetracosane (54.4%) to be the major sterol and hydrocarbon components, respectively. Linoleic acid (48.89%) was the predominant fatty acid. 相似文献
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Idris Mohd Srivastava Seema Baggi Tulsidas R. Shukla Sudhir Kumar 《平面色谱法杂志一现代薄层色谱法》2010,23(5):339-342
JPC – Journal of Planar Chromatography – Modern TLC - A simple, accurate, and inexpensive high-performance thin-layer chromatography (HPTLC) method has been established for analysis of... 相似文献
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Mhaske Harshad P. Vaidya Vikas V. Menon Sasikumar N. Shailajan Sunita Gomes Noel A. 《平面色谱法杂志一现代薄层色谱法》2008,21(3):217-219
JPC – Journal of Planar Chromatography – Modern TLC - 相似文献
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JPC – Journal of Planar Chromatography – Modern TLC - A high-performance thin-layer chromatography (HPTLC) method for the analysis of seven fructooligosaccharides (FOS, DP3–9) in... 相似文献
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薄层色谱法分析葵花仁粕中的绿原酸 总被引:13,自引:0,他引:13
以聚酰胺薄膜为固定相、体积分数为 36 %的乙酸溶液为流动相 ,研究建立了薄层色谱分离测定葵花仁粕中绿原酸的方法。绿原酸样品溶液上行展开 8 5cm ,其Rf 值为 0 6 1。绿原酸的检测量在 0 0 5 μg~ 0 6 μg范围内 ,其斑点的面积与绿原酸的检测量具有良好的线性关系。绿原酸的回收率为 97 5 3 % ,不同薄层板之间的RSD为2 5 7% ,最低检出限为 0 0 2 5 μg。在以体积分数为 70 %的乙醇溶液为萃取剂、搅拌振荡萃取时间为 30min的条件下 ,以该方法测定萃取液中绿原酸的含量和葵花仁粕中绿原酸的残留量 ,确定了最佳萃取次数。 相似文献
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Skalicka-Woźniak Krystyna Hajnos Michał Łukasz Głowniak Kazimierz 《平面色谱法杂志一现代薄层色谱法》2009,22(4):297-300
JPC – Journal of Planar Chromatography – Modern TLC - High-performance thin-layer chromatography with densitometric detection has been used for quantitative analysis of chlorogenic acid... 相似文献
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JPC – Journal of Planar Chromatography – Modern TLC - 相似文献
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Mennickent Sigrid Mario Vega M. Mario Vega H. De Diego Marta Fierro Ricardo 《平面色谱法杂志一现代薄层色谱法》2012,25(1):54-59
JPC – Journal of Planar Chromatography – Modern TLC - A high-performance thin-layer chromatography (HPTLC) method for the quantification of propranolol in human serum is developed and... 相似文献
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《Analytical letters》2012,45(11):1588-1602
Abstract This article describes validated high-performance liquid chromatographic (HPLC) and high-performance thin-layer chromatographic (HPTLC) methods for simultaneous estimation of alprazolam (ALZ) and sertraline (SER) in pure powder and tablet formulation. The HPLC separation was achieved on a Nucleosil C18 column (150 mm long, 4.6 mm i.d., and 5-µm particle size) using acetonitrile and phosphate buffer (50 + 50 v/v), pH 5.5, as the mobile phase at a flow rate of 1.0 mL/min at ambient temperature. The HPTLC separation was achieved on an aluminum-backed layer of silica gel 60 F254 using acetone/toluene/ammonia (6.0:3.0:1.0, v/v/v) as the mobile phase. Quantification with the HPLC method was achieved with ultraviolet (UV) detection at 230 nm over the concentration range 3–18 µg/mL for both drugs with mean recovery of 101.86 ± 0.21 and 100.57 ± 0.31% for ALZ and SER, respectively. Quantification in HPTLC was achieved with UV detection at 230 nm over the concentration range of 400–1400 ng/spot for both drugs with mean recoveries of 101.32 ± 0.15 and 100.38 ± 0.51% for ALZ and SER, respectively. These methods are rapid, simple, precise, sensitive, and are applicable for the simultaneous determination of ALZ and SER in pure powder and formulations. 相似文献
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JPC – Journal of Planar Chromatography – Modern TLC - High-performance thin-layer chromatography (HPTLC) on silica gel 60 F254 TLC plates, with ethyl acetate-methanol-acetone-acetic... 相似文献
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JPC – Journal of Planar Chromatography – Modern TLC - A new, simple, accurate, and precise high-performance thin-layer chromatographic (HPTLC) method has been developed for the... 相似文献
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JPC – Journal of Planar Chromatography – Modern TLC - This paper describes a validated high-performance thin-layer chromatography (HPTLC) method for the simultaneous determination of... 相似文献
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Gholamian Forouzan Chaloosi Marzieh Husain Syed Wagif Dehghani Hossein 《平面色谱法杂志一现代薄层色谱法》2001,14(4):296-299
JPC – Journal of Planar Chromatography – Modern TLC - High-performance thin-layer chromatography (HPTLC) has been used for separation and quantitation of components of high explosives... 相似文献