
Overview:
c-KIT is a proto-oncogene and a type 3 transmembrane receptor for MGF (mast cell growth factor, also known as stem cell factor). c-KIT was first identified as the cellular homolog of the feline sarcoma viral oncogene v-kit.c-KIT together with its ligand regulates growth and activation of a variety of hemopoietic and non-hemopoietic cells. Mutations in c-KIT are associated with gastrointestinal stromal tumors, mast cell disease, acute myelogenous lukemia, and piebaldism. Recently, deregulation of the KIT receptor TK by the prevalent activation loop mutation D816V has served as a focal point in therapeutic strategies aimed curbing neoplastic mast cell growth (2).
Gene Aliases:
PBT, SCFR, CD117
Genbank Number:
NM_000222
References:
1. Berger, S A.: Signaling pathways influencing SLF and c-kit-mediated survival and proliferation. Immunol Res. 2006;35(1-2):1-12.2. Gotlib, J.: KIT mutations in mastocytosis and their potential as therapeutic targets. Immunol Allergy Clin North Am. 2006 Aug;26(3):575-92.
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不知道发在这里合适不,实在是求助无门啊!版主手下留情。
PerkinElmer提供完整的解决方案包括:试剂、仪器、平台、软件、随时可用的方法、经过全面测试和优化的消耗品以及关于应用的定制式培训。
仪器:元素分析、分子光谱仪、热分析、色谱仪、联用系统、质谱仪
消耗品和附件:元素分析、原子吸收、气象色谱仪、液相色谱、热分析、红外光谱仪、荧光光谱
软件:实验室信息管理系统
2.生物研发(Bio Discovery)
仪器:液体闪烁计数仪、自动化液体处理、微孔板读数仪
试剂:临床诊断试剂、儿童健康试剂、基于细胞的检测试剂、孕妇胎儿健康试剂、放射性化学试剂与放射性治疗、新生儿筛查试剂
消耗品和附件:活细胞成像、液体处理
3.测试和诊断服务(Diagnostics)
特殊诊断:分子测试,孕妇标记物测试,新生儿测试
基因筛查:全自动分辨荧光免疫分析系统,半自动时间分辨免疫分析仪,随机式全自动时间分辨荧光免疫分析系统,串联质谱新生儿筛查仪
PerkinElmer的产品(仪器、检测设备和软件)可以尽早检测出孕期异常。PerkinElmer是唯一一家使用游离 Beta 绒毛膜促性腺激素检测唐氏综合症和染色体 18/13 缺陷的供应商。此项专利技术能够使检出率达到目前该领域的最高水平,让更多家庭提早知情,有备而战。
PerkinElmer提供的新生儿测试试剂种类最为齐全,全新的自动化平台可以同时对几滴血运行多项测试。PerkinElmer一直致力于开发更多的新产品,为母婴健康保驾护航,例如用于检测染色体异常的 BACs on Beads(TM),以及用于评估早产、先兆子痫和胎儿宫内生长迟缓风险的检测试剂盒。
4.医学影像(Medical Imaging)
X射线平板检测仪器:PerkinElmer在非晶硅(a-Si)平板检测器的设计、开发以及制造领域都处于世界的领先地位。所开发的产品广泛应用于人类医学、兽医学、工业无损探伤(NDT)等领域。XRD系列检测器拥有极高的图像分辨率,高达100帧/秒的采集频率,更可以适应20keV~15MeV的高能射线,信息存储读取方便。
PerkinElmer提供XRD系列的2种尺寸平板检测器 - 8英寸(21厘米)和16英寸(41厘米)。每种都有多种选择,如采集速度、能量等级、闪烁体、滤镜、以及采集频率选择等。PerkinElmer也会根据客户的需要提供最适合的型号。
想请问下那个公司有专门的蛋白质荧光标记试剂盒出售。最好的是CY5的,我准备做三标。性价比越高越好
那些做过的前辈们指导一下。
生物偶联即将两种分子结合在一起而形成一个杂合的偶联物(hybridconjugate),这些偶联结合物(如标记抗体)在世界各大医院和科研机构被广泛使用。一抗标记试剂系列产品极大程度的简化了结合标记流程,是目前世界上操作最简便的抗体标记试剂盒。
·快速:手工操作时间仅30秒·目前世界上操作最简便的抗体标记试剂盒·无需脱盐、透析等步骤·抗体回收率达100%·可提供数十种标记物·可用于WB,IHC,ELISA,免疫荧光、流式细胞术以及荧光共振能量转移检测等·经济实惠,规格多样·可标记ug-mg级抗体量试剂盒组成:
1)1或3(以规格而定)玻管Lightening-Link?Mix混合物。
2)1管LL-X(X为标记物,如PE或HRP等)修饰试剂。
3)1管LL-X萃灭试剂。
操作步骤:
1)在每10ul抗体样品中加入1ul的LL-Modifier修饰试剂,轻轻混匀。
2)打开Ligtening-Link混合物管盖,吸取步骤1已混好的抗体样品至管内冻干混合物中,用吸液器轻轻吸打1-2次,使粉末完全溶解。
3)盖上玻璃瓶盖,室温(20-25°C)避光孵育3小时,或过夜。*
4)孵育3小时后,按每10ul抗体的量加入1ulLL-淬灭试剂,静置30分钟后即可使用。
*不同的标记物,操作步骤略有不同。(操作步骤供参考,以英文原版说明书为准。)
标记结合物的保存:
对于任何新结合物,推荐保持于4°C条件下。如需长期保存,可添加保护剂。
缓冲液及添加剂兼容性:
A.与无胺基缓冲液兼容,包括MES,MOPS,HEPES(浓度10-50mM,pH范围6.5-8.5),LL-Modifier修饰剂提供结合反应的最佳条件。
B.常见的盐(如氯化钠)、螯合剂(EDTA)、糖对偶联反应无影响。
C.叠氮钠(0.02%-0.1%)对结合反应有轻微影响,叠氮钠不可用于HRP标记,其为后者的抑制剂。
D.甘油(upto50%)对结合效率无影响。
E.若无胺基的缓冲液浓度相对较高,pH值在6.6-8.5范围外,则需要加入更多的LL-midifier修饰剂(/10ul抗体),以此来调整pH值。最佳的pH范围为7.3-7.6左右。
F.避免使用含亲核剂的缓冲液,避免还原剂如DTT和2-巯基乙醇,乙醇胺等。
G.浓度达到或稍低于20mM的Tris对结合效率有轻微的影响。
Westernblottingdatacomparingconjugatedandunconjugatedantibodies
货号中文品名英文品名规格AZK0001AColorlockALS磷检测试剂盒PiColorlockALS625/1560assaysAZK0001BColorlockALS磷检测试剂盒PiColorlockALS2500/6250assaysAZK0002AColorlockGold磷检测试剂盒PiColorlockGold625/1560assaysAZK0002BColorlockGold磷检测试剂盒PiColorlockGold2500/6250assaysAZK0003APi结合树脂PiBind5gAZK0004AATP琼脂糖Low(1-2umol/ml)ATPagaroseLow(1-2umol/ml)2mlAZK0004BATP琼脂糖Low(1-2umol/ml)ATPagaroseLow(1-2umol/ml)5mlAZK0005AATP琼脂糖High(>6umol/ml)GTPagaroseHigh(>6umol/ml)2mlAZK0006AATP琼脂糖High(1-2umol/ml)GTPagaroseHigh(>6umol/ml)5mlAZK0007AATP琼脂糖High(8-12umol/ml)ATPagaroseHigh(8-12umol/ml)2mlAZK0008AATP琼脂糖High(8-12umol/ml)ATPagaroseHigh(8-12umol/ml)5mlAZK0009A控制树脂ControlResin2mlAZK0009B控制树脂ControlResin5mlAZK0010AATPase酶检测试剂盒ATPaseassaysystem192assaysAZK0010BATPase酶检测试剂盒ATPaseassaysystem480assaysAZK0010CATPase酶检测试剂盒ATPaseassaysystem5x480assaysAZK0011AGTPase酶检测试剂盒GTPaseassaysystem192assaysAZK0011BGTPase酶检测试剂盒GTPaseassaysystem480assaysAZK0011CGTPase酶检测试剂盒GTPaseassaysystem5x480assaysAZK0013AAP碱性磷酸酶抗体标记试剂盒Lightning-LinkAPconjugationkit3x10μgAPAZK0013BAP碱性磷酸酶抗体标记试剂盒Lightning-LinkAPconjugationkit1x100μgAPAZK0013CAP碱性磷酸酶抗体标记试剂盒Lightning-LinkAPconjugationkit3x100μgAPAZK0013DAP碱性磷酸酶抗体标记试剂盒Lightning-LinkAPconjugationkit1mgAPAZK0014AGOx葡糖氧化酶标记试剂盒Lightning-LinkGOxconjugationkit3x10μgAZK0014BGOx葡糖氧化酶标记试剂盒Lightning-LinkGOxconjugationkit3x100μgAZK0014CGOx葡糖氧化酶标记试剂盒Lightning-LinkGOxconjugationkit1x1mgAZK0015AR-PE(PE)R-藻红蛋白标记试剂盒Lightning-LinkR-Phycoerythrin(R-PE)3x10μgPEAZK0015BR-PE(PE)R-藻红蛋白标记试剂盒Lightning-LinkR-Phycoerythrin(R-PE)1x100μgPEAZK0015CR-PE(PE)R-藻红蛋白标记试剂盒Lightning-LinkR-Phycoerythrin(R-PE)3x100μgPEAZK0015DR-PE(PE)R-藻红蛋白标记试剂盒Lightning-LinkR-Phycoerythrin(R-PE)1mgPEAZK0016AB-PEB-藻红蛋白标记试剂盒Lightning-LinkB-Phycoerythrin(B-PE)1x100μgBPEAZK0016BB-PEB-藻红蛋白标记试剂盒Lightning-LinkB-Phycoerythrin(B-PE)3x100μgBPEAZK0016CB-PEB-藻红蛋白标记试剂盒Lightning-LinkB-Phycoerythrin(B-PE)1mgBPEAZK0017AAPC别藻蓝蛋白标记试剂盒Lightning-LinkAllophycocyanin(APC)3x10μgAPCAZK0017BAPC别藻蓝蛋白标记试剂盒Lightning-LinkAllophycocyanin(APC)1x100μgAPCAZK0017CAPC别藻蓝蛋白标记试剂盒Lightning-LinkAllophycocyanin(APC)3x100μgAPCAZK0017DAPC别藻蓝蛋白标记试剂盒Lightning-LinkAllophycocyanin(APC)1mgAPCAZK0018APerCP标记试剂盒Lightning-LinkPerCP3x10ugAZK0018BPerCP标记试剂盒Lightning-LinkPerCP1x100ugAZK0018CPerCP标记试剂盒Lightning-LinkPerCP3x100ugAZK0018DPerCP标记试剂盒Lightning-LinkPerCP1x1mgAZK0019A荧光素标记试剂盒Lightning-LinkFluorescein3reactions(eachupto20ug)AZK0019B荧光素标记试剂盒Lightning-LinkFluorescein3reactions(eachupto200ug)AZK0019C荧光素标记试剂盒Lightning-LinkFluorescein1reaction(upto2mg)AZK0020A罗丹明标记试剂盒Lightning-LinkRhodamine3reactions(eachupto20ug)AZK0020B罗丹明标记试剂盒Lightning-LinkRhodamine3reactions(eachupto200ug)AZK0020C罗丹明标记试剂盒Lightning-LinkRhodamine1reaction(upto2mg)AZK0021AAMCA标记试剂盒Lightning-LinkAMCA3reactions(eachupto20ug)AZK0021BAMCA标记试剂盒Lightning-LinkAMCA3reactions(eachupto200ug)AZK0021CAMCA标记试剂盒Lightning-LinkAMCA1reaction(upto2mg)AZK0022ATexasRed标记试剂盒Lightning-LinkTexasRed3reactions(eachupto20ug)AZK0022BTexasRed标记试剂盒Lightning-LinkTexasRed3reactions(eachupto200ug)AZK0022CTexasRed标记试剂盒Lightning-LinkTexasRed1reaction(upto1mgscale)AZK0023ACy3染料标记试剂盒Lightning-LinkCy33reactions(eachupto20ug)AZK0023BCy3染料标记试剂盒Lightning-LinkCy33reactions(eachupto200ug)AZK0023CCy3染料标记试剂盒Lightning-LinkCy31reaction(upto2mg)AZK0024ACy5染料标记试剂盒Lightning-LinkCy53reactions(eachupto20ug)AZK0024BCy5染料标记试剂盒Lightning-LinkCy53reactions(eachupto200ug)AZK0024CCy5染料标记试剂盒Lightning-LinkCy51reaction(upto2mg)AZK0025ACy5.5染料标记试剂盒Lightning-LinkCy5.53reactions(eachupto200ug)AZK0025BCy5.5染料标记试剂盒Lightning-LinkCy5.51reaction(upto2mg)AZK0026ACy7染料标记试剂盒Lightning-LinkCy73reactions(eachupto20ug)AZK0026BCy7染料标记试剂盒Lightning-LinkCy73reactions(eachupto200ug)AZK0026CCy7染料标记试剂盒Lightning-LinkCy71reaction(upto2mg)AZK0027ACy3.5染料标记试剂盒Lightning-LinkCy3.53reactions(eachupto200ug)AZK0027BCy3.5染料标记试剂盒Lightning-LinkCy3.51reaction(upto2mg)AZK0028AAtto390荧光染料标记试剂盒Lightning-Linkatto3903reactions(eachupto20ug)AZK0028BAtto390荧光染料标记试剂盒Lightning-Linkatto3903reactions(eachupto200ug)AZK0028CAtto390荧光染料标记试剂盒Lightning-Linkatto3901reaction(upto2mg)AZK0029AAtto425荧光染料标记试剂盒Lightning-Linkatto4253reactions(eachupto20ug)AZK0029BAtto425荧光染料标记试剂盒Lightning-Linkatto4253reactions(eachupto200ug)AZK0029CAtto425荧光染料标记试剂盒Lightning-Linkatto4251reaction(upto2mg)AZK0030AAtto465荧光染料标记试剂盒Lightning-Linkatto4653reactions(eachupto20ug)AZK0030BAtto465荧光染料标记试剂盒Lightning-Linkatto4653reactions(eachupto200ug)AZK0030CAtto465荧光染料标记试剂盒Lightning-Linkatto4651reaction(upto2mg)AZK0031AAtto488荧光染料标记试剂盒Lightning-Linkatto4883reactions(eachupto20ug)AZK0031BAtto488荧光染料标记试剂盒Lightning-Linkatto4883reactions(eachupto200ug)AZK0031CAtto488荧光染料标记试剂盒Lightning-Linkatto4881reaction(upto2mg)AZK0032AAtto532荧光染料标记试剂盒Lightning-Linkatto5323reactions(eachupto20ug)AZK0032BAtto532荧光染料标记试剂盒Lightning-Linkatto5323reactions(eachupto200ug)AZK0032CAtto532荧光染料标记试剂盒Lightning-Linkatto5321reaction(upto2mg)AZK0033AAtto565荧光染料标记试剂盒Lightning-Linkatto5653reactions(eachupto20ug)AZK0033BAtto565荧光染料标记试剂盒Lightning-Linkatto5653reactions(eachupto200ug)AZK0033CAtto565荧光染料标记试剂盒Lightning-Linkatto5651reaction(upto2mg)AZK0034AAtto590荧光染料标记试剂盒Lightning-Linkatto5903reactions(eachupto20ug)AZK0034BAtto590荧光染料标记试剂盒Lightning-Linkatto5903reactions(eachupto200ug)AZK0034CAtto590荧光染料标记试剂盒Lightning-Linkatto5901reaction(upto2mg)AZK0035AAtto594荧光染料标记试剂盒Lightning-Linkatto5943reactions(eachupto20ug)AZK0035BAtto594荧光染料标记试剂盒Lightning-Linkatto5943reactions(eachupto200ug)AZK0035CAtto594荧光染料标记试剂盒Lightning-Linkatto5941reaction(upto2mg)AZK0036AAtto633荧光染料标记试剂盒Lightning-Linkatto6333reactions(eachupto20ug)AZK0036BAtto633荧光染料标记试剂盒Lightning-Linkatto6333reactions(eachupto200ug)AZK0036CAtto633荧光染料标记试剂盒Lightning-Linkatto6331reaction(upto2mg)AZK0037AAtto637荧光染料标记试剂盒Lightning-Linkatto6373reactions(eachupto200ug)AZK0037BAtto637荧光染料标记试剂盒Lightning-Linkatto6371reaction(upto2)mgAZK0038AAtto655荧光染料标记试剂盒Lightning-Linkatto6553reactions(eachupto20ug)AZK0038BAtto655荧光染料标记试剂盒Lightning-Linkatto6553reactions(eachupto200ug)AZK0038CAtto655荧光染料标记试剂盒Lightning-Linkatto6551reaction(upto2mg)AZK0039AAtto680荧光染料标记试剂盒Lightning-Linkatto6803reactions(eachupto20ug)AZK0039BAtto680荧光染料标记试剂盒Lightning-Linkatto6803reactions(eachupto200ug)AZK0039CAtto680荧光染料标记试剂盒Lightning-Linkatto6801reaction(upto2mg)AZK0040AAtto700荧光染料标记试剂盒Lightning-Linkatto7003reactions(eachupto20ug)AZK0040BAtto700荧光染料标记试剂盒Lightning-Linkatto7003reactions(eachupto200ug)AZK0040CAtto700荧光染料标记试剂盒Lightning-Linkatto7001reaction(upto2mg)AZK0041AFluoProbesDyes547H荧光探针染料标记试剂盒Lightning-LinkFluoProbes547H3reactions(eachupto20ug)AZK0041BFluoProbesDyes547H荧光探针染料标记试剂盒Lightning-LinkFluoProbes547H3reactions(eachupto200ug)AZK0041CFluoProbesDyes547H荧光探针染料标记试剂盒Lightning-LinkFluoProbes547H1reaction(upto2mg)AZK0042AFluoProbesDyes594荧光探针染料标记试剂盒Lightning-LinkFluoProbes5943reactions(eachupto20ug)AZK0042BFluoProbesDyes594荧光探针染料标记试剂盒Lightning-LinkFluoProbes5943reactions(eachupto200ug)AZK0042CFluoProbesDyes594荧光探针染料标记试剂盒Lightning-LinkFluoProbes5941reaction(upto2mg)AZK0043AFluoProbesDyes647H荧光探针染料标记试剂盒Lightning-LinkFluoProbes647H3reactions(eachupto20ug)AZK0043BFluoProbesDyes647H荧光探针染料标记试剂盒Lightning-LinkFluoProbes647H3reactions(eachupto200ug)AZK0043CFluoProbesDyes647H荧光探针染料标记试剂盒Lightning-LinkFluoProbes647H1reaction(upto2mg)AZK0044AFluoProbesDyes682荧光探针染料标记试剂盒Lightning-LinkFluoProbes6823reactions(eachupto20ug)AZK0044BFluoProbesDyes682荧光探针染料标记试剂盒Lightning-LinkFluoProbes6823reactions(eachupto200ug)AZK0044CFluoProbesDyes682荧光探针染料标记试剂盒Lightning-LinkFluoProbes6821reaction(upto2mg)AZK0045AFluoProbesDyes752荧光探针染料标记试剂盒Lightning-LinkFluoProbes7523reactions(eachupto20ug)AZK0045BFluoProbesDyes752荧光探针染料标记试剂盒Lightning-LinkFluoProbes7523reactions(eachupto200ug)AZK0045CFluoProbesDyes752荧光探针染料标记试剂盒Lightning-LinkFluoProbes7521reaction(upto2mg)AZK0046APE/Cy5串联染料Lightning-LinkPE/Cy53x10ugAZK0046BPE/Cy5串联染料Lightning-LinkPE/Cy51x100ugAZK0046CPE/Cy5串联染料Lightning-LinkPE/Cy53x100ugAZK0046DPE/Cy5串联染料Lightning-LinkPE/Cy51x1mgAZK0047APE/Cy5.5串联染料Lightning-LinkPE/Cy5.53x10ugAZK0047BPE/Cy5.5串联染料Lightning-LinkPE/Cy5.51x100ugAZK0047CPE/Cy5.5串联染料Lightning-LinkPE/Cy5.53x100ugAZK0047DPE/Cy5.5串联染料Lightning-LinkPE/Cy5.51x1mgAZK0048APE/Cy7串联染料Lightning-LinkPE/Cy73x10ugAZK0048BPE/Cy7串联染料Lightning-LinkPE/Cy71x100ugAZK0048CPE/Cy7串联染料Lightning-LinkPE/Cy73x100ugAZK0048DPE/Cy7串联染料Lightning-LinkPE/Cy71x1mgAZK0049APE/Cy5.5串联染料Lightning-LinkPerCP/Cy5.53x10ugAZK0049BPE/Cy5.5串联染料Lightning-LinkPerCP/Cy5.51x100ugAZK0050APE/TexasRed串联染料Lightning-LinkPE/TexasRed3x10ugAZK0050BPE/TexasRed串联染料Lightning-LinkPE/TexasRed1x100ugAZK0050CPE/TexasRed串联染料Lightning-LinkPE/TexasRed3x100ugAZK0050DPE/TexasRed串联染料Lightning-LinkPE/TexasRed1x1mgAZK0051APE/Atto594串联染料Lightning-Link?PE/Atto5943x10ugAZK0051BPE/Atto594串联染料Lightning-Link?PE/Atto5941x100ugAZK0051CPE/Atto594串联染料Lightning-Link?PE/Atto5943x100ugAZK0051DPE/Atto594串联染料Lightning-Link?PE/Atto5941x1mgAZK0052APerCP/Cy5.5串联染料Lightning-LinkPerCP/Cy5.53x100ugAZK0052BPerCP/Cy5.5串联染料Lightning-LinkPerCP/Cy5.51x1mgAZK0052CPerCP/Cy5.5串联染料Lightning-LinkAPC/Cy5.53x10ugAZK0052DPerCP/Cy5.5串联染料Lightning-LinkAPC/Cy5.51x100ugAZK0052EPerCP/Cy5.5串联染料Lightning-LinkAPC/Cy5.53x100ugAZK0052FPerCP/Cy5.5串联染料Lightning-LinkAPC/Cy5.51x1mgAZK0053ALightning-LinkAPC/Cy7串联染料Lightning-LinkAPC/Cy73x10ugAZK0053BLightning-LinkAPC/Cy7串联染料Lightning-LinkAPC/Cy71x100ugAZK0053CLightning-LinkAPC/Cy7串联染料Lightning-LinkAPC/Cy73x100ugAZK0053DLightning-LinkAPC/Cy7串联染料Lightning-LinkAPC/Cy71x1mgAZK0054A生物素化结合试剂盒typeALightning-LinkBiotinconjugationkittypeA3reactions(upto20μgAb)AZK0054B生物素化结合试剂盒typeALightning-LinkBiotinconjugationkittypeA3reactions(upto200μgAb)AZK0054C生物素化结合试剂盒typeALightning-LinkBiotinconjugationkittypeA1reaction(upto2mgAb)AZK0055A生物素化结合试剂盒typeBLightning-LinkBiotinconjugationkittypeB3reactions(upto20μgAb)AZK0055B生物素化结合试剂盒typeBLightning-LinkBiotinconjugationkittypeB3reactions(upto200μgAb)AZK0055C生物素化结合试剂盒typeBLightning-LinkBiotinconjugationkittypeB1reaction(upto2mgAb)AZK0056A链亲和素标记试剂盒Lightning-LinkStreptavidinconjugationkit3x10ugStreptavidinAZK0056B链亲和素标记试剂盒Lightning-LinkStreptavidinconjugationkit3x100ugStreptavidinAZK0056C链亲和素标记试剂盒Lightning-LinkStreptavidinconjugationkit1x1mgStreptavidinAZK0057A亲和素标记试剂盒Lightning-LinkAvidinconjugationkit3x10ugAvidinAZK0057B亲和素标记试剂盒Lightning-LinkAvidinconjugationkit3x100ugAvidinAZK0057C亲和素标记试剂盒Lightning-LinkAvidinconjugationkit1x1mgAvidinAZK0058A快速荧光素标记Lightning-Link?RapidFluorescein3xAblabelings(each10-20ugscale)AZK0058B快速荧光素标记Lightning-Link?RapidFluorescein3xAblabelings(each100-200ugscale)AZK0058C快速荧光素标记Lightning-Link?RapidFluorescein1xAblabeling(1scale)AZK0059A快速Cy3标记Lightning-Link?RapidCy33xAblabelings(each10-20ugscale)AZK0059B快速Cy3标记Lightning-Link?RapidCy33xAblabelings(each100-200ugscale)AZK0059C快速Cy3标记Lightning-Link?RapidCy31xAblabeling(1scale)AZK0060A快速Cy5标记Lightning-Link?RapidCy53xAblabelings(each10-20ugscale)AZK0060B快速Cy5标记Lightning-Link?RapidCy53xAblabelings(each100-200ugscale)AZK0060C快速Cy5标记Lightning-Link?RapidCy51xAblabeling(1scale)AZK0061A快速Atto488标记Lightning-Link?RapidAtto4883xAblabelings(each10-20ugscale)AZK0061B快速Atto488标记Lightning-Link?RapidAtto4883xAblabelings(each100-200ugscale)AZK0061C快速Atto488标记Lightning-Link?RapidAtto4881xAblabeling(1scale)AZK0062A快速Atto633标记Lightning-Link?RapidAtto6333xAblabelings(each10-20ugscale)AZK0062B快速Atto633标记Lightning-Link?RapidAtto6333xAblabelings(each100-200ugscale)AZK0062C快速Atto633标记Lightning-Link?RapidAtto6331xAblabeling(1scale)AZK0063A快速Atto565标记Lightning-Link?RapidAtto5653xAblabelings(each10-20ugscale)AZK0063B快速Atto565标记Lightning-Link?RapidAtto5653xAblabelings(each100-200ugscale)AZK0063C快速Atto565标记Lightning-Link?RapidAtto5651xAblabeling(1scale)AZK0064A快速Atto594标记Lightning-Link?RapidAtto5943xAblabelings(each10-20ugscale)AZK0064B快速Atto594标记Lightning-Link?RapidAtto5943xAblabelings(each100-200ugscale)AZK0064C快速Atto594标记Lightning-Link?RapidAtto5941xAblabeling(1scale)AZK0065A快速罗丹明标记Lightning-Link?RapidRhodamine3xAblabelings(each10-20ugscale)AZK0065B快速罗丹明标记Lightning-Link?RapidRhodamine3xAblabelings(each100-200ugscale)AZK0065C快速罗丹明标记Lightning-Link?RapidRhodamine1xAblabeling(1scale)AZK0066A快速Atto390标记Lightning-Link?RapidAtto3903xAblabelings(each10-20ugscale)AZK0066B快速Atto390标记Lightning-Link?RapidAtto3903xAblabelings(each100-200ugscale)AZK0066C快速Atto390标记Lightning-Link?RapidAtto3901xAblabeling(1scale)AZK0067A快速DyLight350标记Lightning-Link?RapidDyLight3503xAblabelings(each10-20ugscale)AZK0068A快速DyLight350素标记Lightning-Link?RapidDyLight3503xAblabelings(each100-200ugscale)AZK0069A快速DyLight350标记Lightning-Link?RapidDyLight3501xAblabeling(1scale)AZK0070A快速DyLight405标记Lightning-Link?RapidDyLight4053xAblabelings(each10-20ugscale)AZK0070B快速DyLight405标记Lightning-Link?RapidDyLight4053xAblabelings(each100-200ugscale)AZK0070C快速DyLight405标记Lightning-Link?RapidDyLight405
在弱碱性(pH 8~9)、暗处、室温或40℃条件下,氨基酸的α-氨基很容易与2,4-二硝基氟苯(缩写为FDNB或DNFB)反应,生成黄色的2,4-二硝基苯氨基酸(dinitrophenyl amino acid,简称DNP-氨基酸)。多肽或蛋白质的N-末端氨基酸的α-氨基也能与FDNB反应,生成一种二硝基苯肽(DNP-肽)。由于硝基苯与氨基结合牢固,不易被水解,因此当DNP-多肽被酸水解时,所有肽键均被水解,只有N-末端氨基酸仍连在DNP上,所以产物为黄色的DNP-氨基酸和其它氨基酸的混合液。混合液中只有DNP-氨基酸溶于乙酸乙酯,所以可以用乙酸乙酯抽提并将抽提液进行色谱分析,再以标准的DNP-氨基酸作为对照鉴定出此氨基酸的种类。因此2,4-二硝基氟苯法可用于鉴定多肽或蛋白质的N-末端氨基酸。
那为什么SFDA不批准CA199CEAAFP等检测试剂盒作为癌症检测的手段呢?

