本研究针对武定鸡加工过程中风味物质变化规律不明的问题，采用高效液相色谱（HPLC）、液相色谱-电喷雾串联质谱（LC-ESI-MS ...

神经酰胺（Cers）在鞘脂代谢中作用关键，但因其结构复杂，传统代谢组学方法难以对其精准定性定量。研究人员开发基于 HPLC-MS/MS 平台的伪靶向脂质分析方法，在阿尔茨海默病（AD）患者血清中鉴定出 62 种差异 Cers，为 AD 诊断提供潜在生物标志物。 在生命的 ...

大红袍柑橘(DHP)是一种古老的柑橘品种。其果实和果皮富含营养物质和生物活性化合物，因其抗氧化性和极高的药用价值而广受欢迎。据报道，大红袍柑橘果皮中总黄酮含量是柑橘品种中含量最高的，已被列入我国柑橘的重点保护品种。黄酮类化合物具有许多 ...

Glycosaminoglycans (GAGs) possess considerable heterogeneity in average molecular mass, molecular mass range, disaccharide composition and content and position of sulfo groups. Despite recent ...

Beckman Coulter, Inc. is sponsoring two workshops at this year’s HPLC Symposium in the Budapest Congress and World Trade Centre, from 19 - 23 June 2011. On Tuesday 21 June from 1.30 to 2.30pm in the ...

What will you learn on this course? The Complete HPLC and LC-MS course is built from the Practical Essentials of HPLC and LC-MS and the HPLC and LC-MS Clinic courses to provide a complete training ...

High-performance liquid chromatography-mass spectrometry (HPLC-MS) combines the separation power of LC with the detection specificity of MS. It has become an indispensable analytical tool in the ...