2 条结果 关键词:普鲁士蓝纳米颗粒 ×

Development of an optical immunoassay based on peroxidase-mimicking Prussian blue nanoparticles and a label-free electrochemical immunosensor for accurate and sensitive quantification of milk species adulteration.

Mikrochimica acta 2022 Seddaoui N, Attaallah R, Amine A

本文首次报道一种无酶免疫检测平台,用于以牛IgG作为山羊奶掺假标志物的现场检测。第一种为光学比色竞争微孔板免疫检测,普鲁士蓝纳米颗粒(PBNPs)作为抗体催化标记,替代天然过氧化物酶,在450 nm处进行吸光度测定。经优化后,该方法对牛/羊奶体积比达到0.01%的灵敏度,比欧盟法规允许的1%低100倍;抗体-PBNPs偶联物在4周内...

A sensitive photothermometric biosensor based on redox reaction-controlled nanoprobe conversion from Prussian blue to Prussian white.

Analytical and bioanalytical chemistry 2021 Zhang X, Rao H, Huang H, Zhang K 等 9 人

普鲁士蓝纳米颗粒(PB NPs)作为低成本光热纳米探针,在光热即时检测(POCT)中具有重要潜力,但现有PB NPs光热传感器多依赖原位生成PB NPs或其与抗原抗体结合,存在制备复杂、表面修饰繁琐和成本高等缺陷。为突破该限制,作者提出氧化还原反应控制的纳米探针转化策略,并将其用于抗坏血酸氧化酶(AAO)的光热检测。在808 nm激...