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huangts123

至尊木虫 (著名写手)

[求助] 样品为蛋白质,HPLC纯度99.8%;UPLC出裂分峰,通过如下操作,结果还是出裂分峰

各位大神,供试品样品为蛋白质,HPLC出一个峰,纯度99.8%见图一;
而UPLC出裂分峰:
①过减少进样体积、稀释(排除样品过载导致峰裂分)见图三
②用流动相稀释(排除溶剂化效应)见图四

请问还会有什么因素导致峰裂分?
Ⅰ这两个峰为蛋白质的不同亚型?
Ⅱ梯度洗脱条件?
Ⅲ其他影响因素。
请大家帮帮忙啊

样品为蛋白质,HPLC纯度99.8%;UPLC出裂分峰,通过如下操作,结果还是出裂分峰
HPLC-_meitu_1_meitu_1.jpg


样品为蛋白质,HPLC纯度99.8%;UPLC出裂分峰,通过如下操作,结果还是出裂分峰-1
UPLC-色谱条件_meitu_1.jpg


样品为蛋白质,HPLC纯度99.8%;UPLC出裂分峰,通过如下操作,结果还是出裂分峰-2
UPLC-10-8-6-4_meitu_5_meitu_1_meitu_1.jpg


样品为蛋白质,HPLC纯度99.8%;UPLC出裂分峰,通过如下操作,结果还是出裂分峰-3
2ul_-UPLC.jpg
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huangts123

至尊木虫 (著名写手)

大神啊,帮帮忙
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