为HILIC分离而制备和评估基于硫酸皮佩里迪尼的兹维特里昂单体
Liang Lai1, Mengyao Zhang1, Tong Li1
1Institute of Pharmaceutical Analysis, College of Pharmacy / Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research / International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Ministry of Education (MOE) of China, Jinan University, Guangzhou 510632, China.
开发了一种新的piperidinium-sulfonatezwitterionic水友单体,用于水友相互作用液体色谱 (HILIC). 这种新的静止阶段为极性化合物,包括硫胺抗生素,提供了增强的保留和选择性.
科学领域:
- 分析化学 分析化学
- 染色体学 染色体学 是一种染色学.
- 材料科学 材料科学 材料科学
背景情况:
- 水友互动液态色谱 (HILIC) 对于分离极性化合物至关重要.
- 开发出新型的zwitterionic静止阶段可以提高HILIC的性能和结构多样性.
- 硫酸化学为先进的HILIC应用提供了一个有前途的途径.
研究的目的:
- 为了合成和表征一种基于硫酸盐的新型zwitterionic水友性单体石.
- 为了评估HILIC中的多元 (MAMMPS-co-MBA) 单体的色谱性能.
- 将其分离能力与现有的zwitterionic静止相进行比较,并评估其在抗生素分析中的应用.
主要方法:
- 热启动的3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 的联合聚合物化,其中包括3 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 的甲基基基基基基基基基基基基基基基.
- 使用n-propanol和H2O作为孔状系统制备一个单立柱.
- 极性化合物,和氨基化合物和硫胺抗生素的HILIC分离;分析特征的评估 (精度,可重复性,LOD,LOQ).
主要成果:
- 最佳的多MAMMPS-co-MBA) 单体呈现出极好的机械和化学稳定性,高柱效率 (120,000 N/m) 和典型的HILIC保留行为.
- 与四级硫酸盐基单体相比,piperidinium-sulfonate单体在各种pH条件下表现出更强的保留力和对和氨基化合物的优越选择性.
- 成功分离了六种硫胺抗生素,评估了分析特征,表明了方法的可行性.
结论:
- 一个基于硫酸的新型zwitterionic HILIC单立柱成功开发出来.
- 这种新的静止阶段为极性分析物提供了更好的保留和选择性,扩大了zwitterionic HILIC阶段的多样性.
- 开发的列显示了对极性化合物,包括制药抗生素的分析有很大的潜力.
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