The application of HPLC and UPLC techniques to the analysis of drugs in blood plasma during bioequiva-lence investigations and clinical monitoring was reviewed. Various methods of sample preparation, chroma-tography, and detection were considered and their specific features were pointed out. High-...
Now a day's substantial technological advances have been done in enhancing particle chemistry performance, improving detector design, in optimizing the system, data processors and various controls of chromatographic techniques. This review focuses on the basic principle, instrumentation of UPLC and its ...
Nanoflow & microflow based liquid chromatography (UPLC) techniques yield higher sensitivity and chromatographic resolution, for quantification and qualitative analyses, by using smaller ID columns packed with sub-2-micron particles and lower flow rates. ...
ACQUITY UPLC and ACQUITY Premier Tunable UV (TUV) Detectors, coupled with our innovative ACQUITY UPLC and MaxPeak Premier column chemistries and systems, leverage ultra-low dwell volumes and low-noise, high-speed detection for productivity, sensitivity, and resolution ...
mass spectrometry (UPLC-ESI/orbitrap-MS). The chromatographic separation was performed on a Hypersil Gold C18 column (150 mm x 4.6 mm x 2.1 microns) using a mobile phase of methanol (including 0.1% formic acid)-isopropyl alcohol (82:18, V/ V) and add 0.05% ammonium acetate. The analyte...
1 HPLC chromatograms of Astragali Radix (A) and reference substances (B) 2.2 对照品溶液的制备 分别精密称取毛蕊异黄酮,毛蕊异黄酮苷, 芒柄花素,芒柄花苷对照品适量,加甲醇配制成 质量浓度分别为 3.06,3.09,2.16,2.02 μg/mL 对 照品溶液. 2.3 供试品溶液的制备 精密称取 0.5 g 黄芪粉末,置具...
guillelmi; Kjeldahl nitrogen determination was used as an arbitration method for the determination of proteins, Soxhlet extraction was used to determine the content of lipids, and saponification and methylation were used to determine the content of each fatty acid; ICP MS and ICP-OES techniques for...
The analytical techniques employed for saponin component analysis primarily encompass high performance liquid chromatography (HPLC), ultra performance liquid chromatography (UPLC), near infrared spectroscopy, and liquid chromatography-mass spectrometry (LC-MS) [16], [17], [18]. Among these methods, LC...
使用2D LC技术的ACQUITY UPLC系统包含一系列系统和经过验证的色谱柱,扩散性更低,可实现更大的峰容量,帮助您解决复杂的UPLC/UHPLC分离挑战。 Waters 2D技术解决方案适用于ACQUITY UPLC M-Class、ACQUITY UPLC I-Class PLUS和ACQUITY UPLC H-Class PLUS系统,采用可靠性、性能都在市场上脱颖而出的溶剂管理器...
Découvrez les systèmes HPLC, UPLC, UHPLC, de purification et de chromatographie spécialisée de Waters, idéaux pour les analyses de type LC, LC/MS, GPC, SFC et SEC.