3 条结果 关键词:生物素-链霉亲和素 ×

Validating METCAM/MUC18 as a Novel Biomarker to Predict the Malignant Potential of Prostate Cancer at an Early Stage by Using a Modified Gold Nanoparticles-Based Lateral Flow Immunoassay.

Diagnostics (Basel, Switzerland) 2021 Wu JC, Chuang YH, Wei YC, Hsieh CC 等 8 人

为进一步验证METCAM/MUC18作为前列腺癌诊断生物标志物,作者利用生物素与链霉亲和素的极高亲和力,设计了改良侧流免疫层析(LFIA)以提高灵敏度和特异性。方法上,将商品化生物素化兔抗体(EPP11278)或自制生物素化鸡抗体,与金纳米颗粒偶联的自制鸡抗体或商品化兔抗体(EPP11278)组合,用于改良LFIA;以两种重组MET...

A fast and sensitive quantitative lateral flow immunoassay for Cry1Ab based on a novel signal amplification conjugate.

Sensors (Basel, Switzerland) 2012 Chen C, Wu J

本文报道了一种用于检测Cry1Ab的新型侧流免疫分析(LFIA)信号放大策略。该方法以多聚赖氨酸(PL)链和生物素-链霉亲和素系统(BSAS)实现放大:将多个荧光染料(FL)直接包覆在PL表面,并通过BSAS与抗体偶联,构建FLPL-BSAS-mAb1信号放大偶联物。试纸条T线固定捕获抗体,C线固定内标抗体;样品经毛细作用迁移后,C...

Visual detection of single-nucleotide polymorphism with hairpin oligonucleotide-functionalized gold nanoparticles.

Analytical chemistry 2010 He Y, Zeng K, Gurung AS, Baloda M 等 7 人

本文报道了一种基于发夹寡核苷酸修饰金纳米颗粒(HO-Au-NP)和侧流层析试纸条(LFSB)的单核苷酸多态性(SNP)视觉检测方法。该方法利用5′端巯基、3′端生物素修饰的发夹寡核苷酸通过自组装偶联到金纳米颗粒表面,并以脱氧腺苷三磷酸(dATP)作为封闭剂。dATP 与发夹结构共同将生物素嵌入并靠近金纳米颗粒表面,使其处于失活状态。...