我老师要我用配制苯,甲苯和乙酸乙酯混标溶液,溶剂是70%甲醇水溶液,练习使用HESI-MS(有文献做过苯...
西南大学重庆油菜籽工程研究中心采用超高效液相色谱-质谱法(UPLC-HESI-MS/MS),鉴定出成分,共144种,其中57种成分经已知标准品确认并定量鉴定,主要含有酚酸类、黄酮类和硫代葡萄糖苷类化合物。 表儿茶素、槲皮素和异鼠李素衍生物在红色和粉红色花瓣中含量最多,山奈酚衍生物在黄色和淡白色花瓣中含量最多。此外, peta...
Surveyor HPLC液相色谱仪系统,配有Surveyor自动进样器和MS Pump。TSQ Quantum Ultra三重四极杆串联质谱仪(赛默飞世尔科技),配有HESIⅡ源。26种致癌、致敏染料有证标准物质均购自德国Dr Ehrenstorfer公司;以甲醇为溶剂分别配制成1 g/L标准储备液,并置于-20℃避光冷藏备用。除有特殊说明外,所用试剂至少为分析级,甲...
The composition of the methanolic extract was elucidated using HPLC-HESI-MS/MS analysis. The antioxidant effect was examined using NO, DPPH, FRAP, and TAC assays. Antimicrobial activity was evaluated by broth microdilution using various bacterial strains such as S. aureus, S....
Simultaneous UHPLC/DAD/(+/-)HESI-MS/MS analysis of phenolic acids and nepetalactones in methanol extracts of Nepeta species: a possible application in ... D Mi?I?,?iler, Branislav,Gai, Uro,... - 《Phytochemical Analysis》 被引量: 33发表: 2015年 Phenolics' composition in four endemic Ne...
建立液相色谱-加热电喷雾电离串联质谱(LC.HESI/MS/MS)法同时测定人血浆中氨氯地平,贝那普利和贝那普利拉,并研究复方苯磺酸氨氯地平盐酸贝那普利胶囊在中国健康志愿者体内的药物动力学特性.本法采用幽.氨氯地平作为氨氯地平的内标,乌苯美司作为贝那普利和贝那普利拉的内标.血浆样品以沉淀蛋白法进行处理,CapcellMG...
APPLICATION NOTE 73016 Trace-level quantitation of pesticide residues in red chili powder using LC-(HESI)-MS/MS Authors Ramiz M. R. Azad, Dasharath Oulkar, and Ashutosh Pathak Customer Solution Center, Ghaziabad, Thermo Fisher Scientific, India Keywords Pesticide residues, chili...
Validation of a method for determination of mycotoxins subjected to the EU regulations in spices: the UHPLC-HESI-MS/MS analysis of the crude extracts, Food Control, Vol. 31: 461-466.Skrbic, B., Koprivica, S., Godula, M., 2013. Validation of a method for determination of mycotoxins ...
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