AF系列染料,也称为Alexa Fluor系列染料,是罗丹明或香豆素等染料的衍生物。这些染料通过引入磺酸酯基团,使其呈负电性和亲水性,具有更好的光学稳定性、发光强度以及pH适应性。
AF系列染料具有以下特点:
·高亮度:AF染料具有高亮度,适用于多种荧光标记
·高光稳定性:染料在各种条件下都稳定,不易光漂白
·亲水性:染料带负电荷,水溶性良好,无需有机试剂即可结合蛋白
·抗猝灭性:发射峰较窄,抗猝灭性强
·pH适应性:对pH不敏感,适用于不同的环境
编号 | 名称 | Ex/Em(nm) | CAS号 | 规格 |
QH-10-1001 | AF350 NHS | 346/445 | 200554-19-4 | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1002 | AF405 NHS | 400/424 | / | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1003 | AF430 NHS | 430/545 | 467233-94-9 | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1004 | AF488 NHS | 494/517 | 222164-96-7 | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1005 | AF514 NHS | 517/542 | / | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1006 | AF532 NHS | 530/555 | 477876-64-5 | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1007 | AF546 NHS | 554/570 | / | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1008 | AF555 NHS | 555/572 | / | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1009 | AF568 NHS | 578/602 | 247145-38-6 | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1010 | AF594 NHS | 590/617 | 295348-87-7 | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1011 | AF647 NHS | 651/672 | 407627-60-5 | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1012 | AF660 NHS | 668/698 | / | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1013 | AF680 NHS | 684/707 | / | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1014 | AF700 NHS | 702/723 | / | 1mg/5mg/10mg/25mg/100mg/1g |
QH-10-1015 | AF750 NHS | 753/782 | / | 1mg/5mg/10mg/25mg/100mg/1g |
可定制不同修饰基团,例如:Azide、Maleimide、DBCO、Annexin V、WGA、CTB等。