五氟苯基(PFP:Pentafluorophenyl,或又稱全氟苯基)配體提供多重保留機制包括:氫鍵作用、偶極-偶極作用、芳香性(π-π)作用,以及疏水(反相)作用,當試圖分離異構性的、芳香性的、或是鹵代的化合物特別有用。
含氟固定相為常規C18提供了互補的色譜分離選擇性,特別是當需要分析堿性或平面芳香族化合物時。XSelectHSS PFP和CSH氟苯基色譜柱具有相同配體,但是不同的顆粒基體提供了不同的保留特性。
ACQUITY UPLC HSS PFP色譜柱為三鍵鍵合、非封端的五氟苯基(PFP)化學特性。由于綜合了多種保留機理,包括芳香(π-π)作用、氫鍵作用、偶極-偶極作用和疏水作用等,ACQUITY UPLC HSS PFP色譜柱理想用于平面芳香族化合物、位置異構體、鹵代化合物以及極性分析物。
目的建立同時測定人血漿中卡馬西平,拉莫三嗪,氯硝西泮,地西泮及其代謝物奧沙西泮濃度的方法.方法采用超高效液相色譜-質譜聯用法(UPLC-MS/MS),以磺胺甲噁唑(SMZ)為內標,血漿經甲醇直接沉淀后進樣分析.色譜柱為Waters ACQUITY UPLC HSS PFP柱(2.1 mm×100 mm,1.8μm),流動相為0.1%甲酸的5 mmol·L-1乙酸銨水溶液-0.1%甲酸的甲醇溶液(0~5 min,35:65→10:90),流速為0.2 mL·min-1.電噴霧離子源,正離子多反應監測掃描分析,卡馬西平,拉莫三嗪,氯硝西泮,地西泮和奧沙西泮的離子對分別為m/z 237.0→194.06,m/z 255.98→144.95,m/z 316.01→270.0,m/z 285.04→193.07和m/z 287.02→241;內標磺胺甲噁唑的離子對為m/z 253.96→91.97.結果卡馬西平,拉莫三嗪,氯硝西泮,地西泮和奧沙西泮血藥濃度分別在2.4~600 ng·mL-1(r=0.999 7),2.52~630 ng·mL-1(r=0.992 0),2.08~520 ng·mL-1(r=0.997 9),2.28~570 ng·mL-1(r=0.998 2),8.0~800 ng·mL-1(r=0.999 2)線性關系良好;最低檢出限分別為0.24,0.63,0.52,0.57,3.2 ng·mL-1.日內,日間精密度均15%;提取回收率均70%,且RSD15%.結論該方法靈敏,快速,專屬性強,可用于臨床血藥濃度測定及藥動學研究.
品名 | 編號 |
ACQUITY - Xselect HSS PFP Method Transfer Kit, 100?, 1.7 - 3.5 μm, 2.1 - 4.6 mm X 50 - 100mm, 1/pk... | 186005980 |
ACQUITY - Xselect HSS PFP Method Transfer Kit, 100?, 1.8 - 3.5 μm, 2.1 - 4.6 mm X 100 - 150mm, 1/p... | 186005981 |
ACQUITY UPLC HSS PFP VanGuard Pre-column, 100?, 1.8 μm, 2.1 mm X 5 mm, 3/pkg | 186005974 |
ACQUITY UPLC HSS PFP Column, 100?, 1.8 μm, 3 mm X 75 mm, 1/pkg | 186005971 |
ACQUITY UPLC HSS PFP Column, 100?, 1.8 μm, 3 mm X 50 mm, 1/pkg | 186005970 |
ACQUITY UPLC HSS PFP Column, 100?, 1.8 μm, 3 mm X 150 mm, 1/pkg | 186005973 |
ACQUITY UPLC HSS PFP Column, 100?, 1.8 μm, 3 mm X 100 mm, 1/pkg | 186005972 |
ACQUITY UPLC HSS PFP Column, 100?, 1.8 μm, 2.1 mm X 50 mm, 1/pkg | 186005965 |
ACQUITY UPLC HSS PFP Column, 100?, 1.8 μm, 2.1 mm X 75 mm, 1/pkg | 186005966 |
ACQUITY UPLC HSS PFP Column, 100?, 1.8 μm, 1 mm X 150 mm, 1/pkg | 186005963 |
ACQUITY UPLC HSS PFP Column, 100?, 1.8 μm, 2.1 mm X 30 mm, 1/pkg | 186005964 |
ACQUITY UPLC HSS PFP Column, 100?, 1.8 μm, 3 mm X 30 mm, 1/pkg | 186005969 |
ACQUITY UPLC HSS PFP Column, 100?, 1.8 μm, 2.1 mm X 100 mm, 1/pkg | 186005967 |
ACQUITY UPLC HSS PFP Column, 100?, 1.8 μm, 2.1 mm X 150 mm, 1/pkg | 186005968 |
ACQUITY UPLC HSS PFP Column, 100?, 1.8 μm, 1 mm X 100 mm, 1/pkg | 186005962 |
ACQUITY UPLC HSS PFP Column, 100?, 1.8 μm, 1 mm X 50 mm, 1/pkg | 186005961 |
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