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主页免疫组织化学比色碱性磷酸酶和过氧化物酶底物检测系统

比色碱性磷酸酶和过氧化物酶底物检测系统

碱性磷酸酶的底物

硝基蓝四唑(NBT)可与碱性磷酸酶底物5-溴-4-氯-3-吲哚基磷酸盐(BCIP)一起用于蛋白印迹和免疫组织染色程序。这些底物系统产生不溶的NBT二甲终产物,其颜色为蓝至紫色,可以通过视觉观察到。用BCIP / NBT进行的免疫组织化学染色需要有机封固剂,并且可以用核固红或浅绿色复染。BCIP/NBT通常比固红更灵敏。我们还提供BCIP类似物的专有配方,利用NBT和INTX生产专门用于ELISA应用的可溶性终产物。

固红TR/萘酚AS-MX和TR磷酸盐

固红TR / 萘酚AS-MX和TR磷酸盐(4-氯-2-甲基苯重氮 / 3-羟基-2-萘甲酸2,4-二甲基苯胺磷酸盐)底物系统,经配制和优化用于免疫组织学和蛋白印迹技术,例如作为碱性磷酸酶活性检测的沉淀底物。固红系统产生不溶的大红色终产物。用固红TR / 萘酚AS-MX染色的载玻片必须用水性封固剂盖住,因为反应产物是醇溶性的。

图-2-v3a4

当用碱性磷酸酶水解时,pNPP底物产生黄色终产物对硝基苯酚。由于该系统形成可溶性终产物,因此适用于ELISA,但不推荐用于印迹法或组织化学。这些产品是含有p-NPP的即用型缓冲碱性磷酸酶底物溶液。可溶性黄色终产物在405 nm处吸收。加入3 M氢氧化钠溶液可以停止反应。使用pNPP的ELISA应用,可以在定时测定中读数,也可用碱性溶液停止反应来延迟读数。已停止的反应的吸光度也在405 nm处读数。对于ELISA应用,通常在ELISA板的每个孔中加入200微升底物,并用50微升3 M NaOH溶液停止反应。

材料
产品编号产品名称说明价格
SRP3110M-CSF humanAnimal-component free, recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
E9530Erythropoietin from mouserecombinant, expressed in NSO cells, ≥90% (SDS-PAGE), lyophilized powder, suitable for cell culture
H5166Erythropoietin humanEPO, recombinant, expressed in HEK 293 cells, suitable for cell culture
F9175Flt-3/Flk-2 Ligand from mouse≥97% (SDS-PAGE), recombinant, expressed in NSO cells, lyophilized powder, suitable for cell culture
F3422Flt-3/Flk-2 ligand humanrecombinant, expressed in E. coli, lyophilized powder, suitable for cell culture, ≥98% (SDS-PAGE and HPLC)
G0407Granulocyte colony-stimulating factor humanG-CSF, recombinant, expressed in E. coli, suitable for cell culture
G5035Granulocyte-Macrophage Colony-Stimulating Factor humanGM-CSF, recombinant, expressed in E. coli, suitable for cell culture
H5666Granulocyte-Macrophage Colony-Stimulating Factor humanGM-CSF, recombinant, expressed in HEK 293 cells, HumanKine®, suitable for cell culture
SRP9001Leukemia Inhibitory Factorhuman, recombinant, expressed in HEK 293 cells
SRP6287LIF humanrecombinant, expressed in HEK 293 cells, ≥95% (SDS-PAGE)
M6518Macrophage Colony-Stimulating Factor humanM-CSF, recombinant, expressed in E. coli, lyophilized powder, suitable for cell culture
SRP3152SCGF-alpha humanrecombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
SRP3153SCGF-beta humanrecombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
S7901Stem Cell Factor humanSCF, recombinant, expressed in E. coli, powder, suitable for cell culture
H8416Stem Cell Factor humanSCF, recombinant, expressed in HEK 293 cells, suitable for cell culture
T1568Thrombopoietin humanrecombinant, expressed in E. coli, lyophilized powder, suitable for cell culture, ≥98% (SDS-PAGE and HPLC)
SRP3178TPO humanAnimal-component free, recombinant, expressed in E. coli, ≥98% (SDS-PAGE), ≥98% (HPLC), suitable for cell culture
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