资源描述
单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,2019/12/22,#,直接法,直接法是将酶(如,HRP,)标记在特异性一抗上,然后用酶标记抗体直接与相应抗原特异性结合,形成抗原,-,抗体,-HRP,复合物,最后用酶底物显色。,优点:简单、步骤少、省时、特异性高。,缺点:敏感性差,间接法,我这边的讲的间接法就是酶标记在二抗上,再与一抗反应,然后进行显色反应。,优点,:,较直接法敏感性增强,旁边的图很形象的对比出了间接法的优点。如抗原上每个分子结合,3-5,个分子抗体,当此抗体作为抗原时又可结合,3-5,个分子的酶标二抗,所以最后显色的时候敏感性更高,亲和素,-,生物素,-,过氧化物酶复合物法,ABC,法,亲和素(,avidin,)和小分子生物素具有极高的亲和力,每个亲和素具有,4,个生物素结合位点。,ABC,法试剂盒里一般包含的有,生物素标记的二抗、亲和素、生物素标记的,HRP,等。,ABC,复合物就是生物素标记的,HRP,与过量的亲和素反应制备。,ABC,法示意图,亲和素分子有四个生物素结合部位,可以多价形式同时结合生物素化的大分子衍生物和酶标记物,使得更多的,HRP,聚合在一起后底物显色,敏感性高、信号强,跟,ABC,法差不多的就是,S-P,法或者叫,LSAB,法或,SABC,法。,试剂盒里一般包含有生物素标记的二抗、链霉亲和素,/HRP,的结合物等等。,链霉亲和素(,streptavidin,)和亲和素一样,也有四个生物素结合位点,亲和力更高,且它很少有低聚糖残余成分,可保持中性等电点,避免了组织中的非特异性染色。和亲和素相比,链霉亲和素更为完美。,多聚螯合物酶法,上面讲到的,ABC,法抑或,S-P,法都有很大的信号放大效果,但是他们有一个致命的缺点就是内源性生物素的干扰导致非特异性染色、有背景。这就有了多聚螯合物酶法的出现。,我们,Labvision,的,UV Quanto,及,Dako,的,Envision,都是属于此类试剂盒,相对于亲和素,/,生物素的高亲和力的多级放大效果,我们的,UV Quanto,的用的是以某试剂为骨架的多聚螯合物酶,通俗点说就是,HRP,的多聚合物。这个,HRP,的聚合物既有信号放大的效果、敏感性高,又避免了生物素化系统的内源性生物素的干扰,从而达到更干净的背景。,卖点,微聚合系统,避免了生物素系统带来的内源性背景,提高染色对比度,信号放大物,有效节省一抗的用量,降低成本,一抗、二抗更短的孵育时间,提高效率,小包装免疫组化试剂盒闪亮登场,本试剂盒是,ThermoFisher,旗下,Labvision/Neomarker,公司原液分装的小包装免疫组化试剂盒,基于聚合物技术的最新一代免疫组化二抗非生物素检测系统,信号更强、操作更加简单。,试剂盒特点,即用型,无需进行稀释度优化,兔、小鼠通用,有效节省一抗的用量,更清晰的显色,更干净的背景,孵育时间短,一般室温,20,分钟,所有辅助免组试剂打包在内(封闭液、,DAB,显色),试剂盒组成,UltraVision Quanto HRP-,兔、鼠通用免组试剂盒,包装规格,种类,品名,描述,包含,15ml,HRP,UV Quanto HRP,(,DAB,),DAB,DAB Quanto,(,Stable for,1-2 weeks,),Peroxide Block,UV-Block,Amplifier,HRP,Polymer,DAB Quanto,60ml,UV Quanto HRP,DAB Plus,UV-Block,Amplifier,HRP Polymer,125ml,AEC,AEC,(,HRP,),15ml,AP,UV Quanto,(,AP,),Liquid Fast red,Solvent resistant,UV-Block,Amplifier,Labeled AP Polymer,60ml,Permanent Fast,red,permanently mounted,125ml,Tablet Fast red,aqueous mounted,UltraVision Quanto Detection System,Anti-Mouse,Anti-Rabbit,Storage:2-8,18months,DAB Quanto,优势,:Long stability,稳定性强,混合后可在室温保,存一周,,2-8,度保存,2,周,1,DAB Quanto,和,DAB Plus,与,UV LP,联合使用的对比,:,减少底物和色原配置混合的次数,进而减少浪费,避免误差,提,高实验的可重复性,.,2,DAB Quanto,DAB Quanto,1,DAB Plus,2,卖点:,用于人标本检测,增强鼠来源一抗的显色强度,用于啮齿类标本的检测,对兔来源一抗有效,H2O2 Block,10min,R,i,s,n,s,e,UV Block,5min,R,i,s,n,s,e,Antibody,30min,R,i,s,n,s,e,Rabbit anti-,mouse enhancer,10min,R,i,s,n,s,e,Anti-rabbit,Polymer,10min,R,i,s,n,s,e,DAB,Quanto/Plus,5min,R,i,s,n,s,e,Counterstain,UV LP,UV LP HRP-Protocol,UltraVision Quanto MOM Detection System-,一抗检测种属及宿主都是鼠,啮齿类动物封闭液,封闭同源交叉反应,减少非特异着色,微聚合物系统,避免生物素系统带来的内源性背景,UltraVision Quanto Mouse-on-Mouse HRP Detection System,货号,品名,试剂盒包含,体积,TL-015-QHDM,UV Quanto Mouse-On-Mouse,H202,Mouse-On-Mouse,Block,Polymer,15mL,TL-060-QHDM,UV Quanto Mouse-On-Mouse,H202,Mouse-On-Mouse,Block,Polymer,60mL,TL-125-QHDM,UV Quanto Mouse-On-Mouse,H202,Mouse-On-Mouse,Block,Polymer,125mL,UltraVision Quanto MOM Detection System,H2O2 Block,10min,R,i,s,n,s,e,R,i,Rodent Block s,30min n,s,e,Antibody,20min,R,i,s,n,s,e,MOM Polymer,10min,R,i,s,n,s,e,DAB Quanto,5min,R,i,s,n,s,e,Counterstain,UV Quanto MOM HRP-Protocol,IHC Staining-MOM Detection System,竞争产品,Pan CK,染色(,CloneAE1/AE3,),竞争产品 阴性片产生的背景,Quanto MOM Pan CK,染色(,CloneAE1/AE3,),Quanto MOM,阴性片几乎无背景,MultiVision Detection Kit-,兔、鼠双染试剂盒,微聚合物二抗混合液,明显降低显色背景,使用简单,染色对比明显,UltraVision Quanto Counterstain Kit-,改良苏木素复染试剂盒,试剂盒里包含,Mayers Modified Hematoxylin,Bluing Reagent,Mounting Medium,货号,品名,试剂盒包含,体积,HRP Systems,TL-012-MHRA,MV Polymer Mouse Red Rabbit Blue,UV-Block,Peroxide Block,Polymer Cocktail,Red,Chromogen,Blue Chromogen,mounting medium,12mL,TL-012-HARH,MV Polymer Mouse Blue Rabbit Red,UV-Block,Peroxide Block,Polymer Cocktail,Blue,Chromogen,Red Chromogen,mounting medium,12mL,15,Proprietary&Confidential,MultiVision Detection Kit,H2O2 Block,10min,R,i,s,n,s,e,UV Block,10min,R,i,s,n,s,e,Antibody,Cocktail,30min,R,i,s,n,s,e,MultiVision,Polymer,10min,R,i,s,n,s,e,LV Blue,10min,R,i,s,n,s,e,LV Red,10min,R,i,s,n,s,e,Counterstain,(Optional),卖点:,针对兔、鼠来源一抗,微聚合物二抗混合液,明显降低显色背景,使用简单,染色对比明显,MultiVision Detection Kit,MultiVision-Protocol,
展开阅读全文