FITC-BIOTIN,荧光素标记生物素,FITC-Biotin既具靶向识别能力又具荧光示踪功能
FITC-BIOTIN(荧光素标记生物素)
FITC-BIOTIN 是由异硫氰酸荧光素(FITC)和生态学素实现共价键拼接而成的荧光探头。该碳原子删去了生态学素对亲和素/链霉亲和素的高沟通协调力,一起具备有 FITC 的典例荧光特点(促进吸光度约495 nm,试射约519 nm)。FITC-BIOTIN 经常用于免疫生殖细胞荧光、生殖细胞影像、亲和标志、ELISA 探测及微阵列技术性中。其组成部分稳定的,水可溶优异,既具靶向治疗认别力又具荧光示踪功效,是碳原子探头和纳米级形式装饰的优享标志碳原子。一、简介
名字:FITC-Biotin汉语英文名称:荧光素箭头生物学素因为俗称:Fluorescein-Biotin,Fluorescein Isothiocyanate-Biotin,Biotin-FITC相对性状:呈黄色纳米银溶液设备构造:
应用说明:
菌物体素可以用于:少突胶质神经元系激发。做芽孢杆菌(Bacillus)成长的维他命添加剂。天然免疫力论文检测工具团队学操作的方法情况报告中的内源性菌物体素恰恰能阻隔。菌物体素是种小团伙,还它与菌物体怪物学学学学体大团伙混用时并没有不良影响到大团伙的菌物体学平台。菌物体素-(链霉)亲和素平台是多个类用途所必备的。菌物体素还可做各式羧化酶的辅系数/辅酶,如甲苯酸羧化酶、乙酰辅酶A羧化酶 1 和 2、3-甲基巴豆酰辅酶A羧化酶 (MCC) 和丙酰辅酶A羧化酶 (PCC)。它可催化剂的作用甲苯酸和CO2变成草酰乙酸。与亲和素或链霉亲和素偶联的菌物体素可帮助到将靶团伙(抗原、核苷酸、蛋清A等)与标上平台(酶、荧光、物理夜光探头)相互接。该复合材料物可以用于多个类论文论文检测工具平台,如天然免疫力论文检测工具论文论文检测工具、DNA混种论文论文检测工具、天然免疫力论文检测工具组化和免疫印迹神经元系术。该的方法还可以用于多个类总体目标团伙的纯化和表现。菌物体素参与到DNA、神经元系卫星信号减弱和着色质设计的表观遗传病国家宏观调控。荧光素标上的菌物体素(FITC-Biotin)的膜蛋白酶切:将表达爱质粒用受限性内切酶(同引物的酶切位点)做双酶切,酶切化合物行琼脂糖电泳后,用胶收废分类处理Kit或冻融法收废分类处理的膜蛋白大细节描写。参考文献:
来源:
主要描述:
We describe molecular capturing properties of protein nanotubes with a controllable ligand binding affinity and size selectivity. These practical biocylinders were prepared using an alternating layer-by-layer (LbL) assembly of protein and oppositely charged poly(amino acid) into the nanoporous polycarbonate (PC) membrane (pore diameter, 400 nm), with subsequent dissolution of the template. The tube wall typically comprises six layers of poly-l-arginine (PLA) and human serum albumin (HSA) [(PLA/HSA)3]. Use of high molecular weight PLA (Mw = ca. 70 000) yielded robust nanotubes, which are available as lyophilized powder. The (PLA/HSA)3 nanotubes swelled considerably in water, although the outer diameter was almost unaltered. Uranyl ion, 3,3′-diethylthiacarbocyanine iodide, and zinc(II) protoporphyrin IX (ZnPP) were bound to the HSA component in the cylinder wall. Similar nanotubes comprising recombinant HSA mutant [rHSA(His)], which has a strong binding affinity for ZnPP, captured this ligand more tightly. Furthermore, addition of excess myristic acid released ZnPP from the tubes through a ligand replacement reaction. The hybrid nanotubes bearing a single avidin layer as an internal surface captured FITC-biotin efficiently. Biotin-labeled nanoparticles are also incorporated into the tubes when their particle size is sufficiently small to enter the pores. Subsequent TEM observation revealed a line of loaded nanoparticles (100 nm) in the one-dimensional space interior.
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