链霉亲和素与它的配体具有显著的高亲和力。
Streptavidin has a remarkably high affinity for its natural ligand, biotin.
方法：直接包被法、SPA法、生物素-亲和素法。
链亲和素结合磁珠分离技术的新方法，为研究DNA ？
Streptavidin system and magnetic beads isolation technique, providing a new way to study DNA?
该蛋白质与亲和素的结合与生物素及亲和素的糖链部分无关。
The binding of the protein to avidin is not related to biotin or the oligosaccharide chain of avidin.
通过对比不同化学固定方式，选择亲和素-生物素法作为适配子探针的固定方法。
Bycomparing different chemical methods for the immobilization of aptamer, biotin-avidin method was finally chosen.
MHCI类四聚体是由4个MHC I类复合物和一个带有荧光标的亲和素分子组成的。
An MHC class I tetramer was composed of 4 MHC class I complexes and a fluorescently labeled streptavidin molecule.
目的探讨TM5．28单克隆抗体-生物素-亲和素系统检测日本血吸虫循环抗原及其诊断效果。
Objective To explore the diagnostic efficiency of circulating antigen using the TM5. 28 mAB-biotin-avidin system for the detection of schistosomiasis japonica.
因为它的强高亲和力非共价结合，链霉素亲和素可以用于检测和分离生物素化的蛋白（1.2）。
Because of its strong non-covalent interaction with biotin, streptavidin can be used to isolate biotinylated proteins (1,2).
利用生物素-亲和素生物放大系统的原理，建立了新的检测细胞培养的甲型肝炎病毒抗原的方法。
A new technique used to detect HAAg in human diploid embryonic lung fibroblast ( HDLF ) cell culture was developed.
可通过利用一种可调控的连续的微粒子流可促进对包被荧光微粒子的链霉亲和素特异性斑点的结合。
Specific binding of streptavidin coated fluorescent microparticles to the spots was promoted by applying a controlled continuous microparticle flow.
拟获得在大肠杆菌中能高效可溶表达的转铁蛋白受体单链抗体与链亲和素（SA）的重组融合蛋白。
To obtain the anti-transferrin receptor scFv and streptavidin(SA) recombinant fusion proteins which were high-efficiently and solubly expressed in E.
方法：采用链酶亲和素-过氧化物酶标记免疫组织化学方法，在PCNA阳性标本中测定增殖指数(PI)。
Methods the PCNA index (PI) was detected by the immunohistochemistry method of streptavidin in the PCNA positive samples.
采用链霉亲和素包被磁纳米粒子，将生物素标记的特异性抗体偶联在磁纳米粒子上，制备出高特异性的磁纳米探针；
The magnetic nanoparticle probe was prepared by specifically connecting the streptavidin-conjugated magnetic nanoparticles and the antibody of analyte via the strong streptavidin-biotin interaction.
生物素结合位点的复杂性和结构的不规则性使得它最适合与生物素结合并且表现出与链霉素亲和素-生物素复合体的高度特异性(4)。
The complex and irregular structure of the biotin-binding site makes it highly optimized for biotin binding and confers great specificity to the streptavidin-biotin complexes (4).
在用于实际试样的回收率测定中，结果良好。(2)提出了一种基于酶催化沉积底物和生物素-亲和素两步放大的超灵敏免疫检测方法(第3章)。
An amplified immunoassay with improved sensitivity has been proposed based on two-step amplification procedures of enzyme-catalyzed precipitation and biotin-streptavidin binding system (in Chapter 3).
链霉素亲和素是从链霉亲生物素蛋白中分离出来的53，000道尔顿的同源四聚体（3），每一个链霉素亲和素的亚基可以与维生素形成高亲和力非共价结合。
Streptavidin is a 53,000 dalton tetrameric protein purified from the bacterium Streptomyces avidinii (3). Each subunit binds to biotin with extremely high affinity.
激素，比如流经母体的后叶催产素从生物方面将母亲和胎儿联系在一起。
Hormones, such as oxytocin, that course through a mother’s body biologically link her to the baby.
这些维生素矿物质可以保证母亲和胎儿的健康，预防某些先天疾病的发生。
These vitamins and minerals help ensure the baby's and mother's health as well as prevent some types of birth defects.
女性在生产和哺乳过程中也会大量分泌后叶催产素——它能增进母亲和婴儿之间的感情。
New mothers are awash in oxytocin (which is involved in the labor process), and it is believed that the hormone promotes bonding between mother and infant.
药效动力学参数表明，高胰岛素环境中酚妥拉明和妥拉苏林作用亲和力指数和作用强度明显减小。
The pharmacodynamic parameters indicated that the affinity index and action intensity of PL and TS were significantly reduced in solution containing high level insulin.
白细胞介素2 (IL - 2)与其高亲和力受体(IL - 2r)的相互作用在调节T细胞免疫反应的强度和持续时间方面起着关键作用。
The magnitude and duration of T-cell immune response are critically regulated by the interaction of interleukin-2 (IL-2) and its high-affinity receptor (IL-2R) on the surface of the cell.
作为一种天然纤维素纤维，棉制品不仅以其优良的服用性能深受人们喜爱，而且以其与人体极好的亲和性，成为广泛应用的医用基材之一。
As a kind of natural cellulose fiber, cotton product is deeply liked by people with its good wearing property, and extensively applied to medical base material with its fine affinity.
红细胞膜高、低亲和力胰岛素受体数目餐前、餐后自身对照均明显下降。
Numbers of fasting insulin receptor of high and low affinity in erythrocyte membrane were lower than post-prandial insulin receptor.
受体与胰岛素的高亲和力及结合率亦明显降低。
Insulin receptor affinity and insulin binding were lower, too.
方法根据刀豆素a对AFP亲和力的不同，采用亲和交叉免疫电泳自显影术检测AFP异质体。
Methods According to the different affinity of ConA with AFP, crossed affinity immunoelectrophoresis autoradiography was used.
目的用亲和纯化法纯化嗜水气单胞菌气溶素，从单因子水平分析嗜水气单胞菌的溶血特性。
Methods:The proteins which interacted with gankyrin were screened and analyzed by affinity purification technology and mass spectrometry.
结论在明胶亲和柱体积不变的条件下，制备纤维蛋白结合素的量与血浆加样量、血浆在柱内停留时间密切相关。
CONCLUSION: in a given column volume of gelatin, the quantity of purified fibronectin was closely related with the plasma retention time in column and the total loading amount of plasma.
结论肺癌相关抗原n 35是一种重要的肿瘤相关抗原，其功能很可能与肿瘤细胞无限制增殖活动有关。麦芽凝集素亲和层析法是纯化肺癌相关蛋白n 35简便有效的途径。
ConclusionThe lung cancer associated antigen N35 might be an important tumor associated antigen and related with the proliferation of cancer cells as a role of tumor cell growth regulator.
按这种方法制备的亲和介质提高了纤维素的键合容量，并将在生物产品的大规模分离纯化及人体免疫治疗等方面有广阔的应用前景。
The affinity medium thus prepared has high bonded cellulose capacity and may be widely used in large-scale separation and purification of biological product and body's immunity treatment.
按这种方法制备的亲和介质提高了纤维素的键合容量，并将在生物产品的大规模分离纯化及人体免疫治疗等方面有广阔的应用前景。
The affinity medium thus prepared has high bonded cellulose capacity and may be widely used in large-scale separation and purification of biological product and body's immunity treatment.
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