首页> 外文期刊>Chemistry: A European journal >Selective Chromofluorogenic Sensing of Heparin by using Functionalised Silica Nanoparticles Containing Binding Sites and a Signalling Reporter
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Selective Chromofluorogenic Sensing of Heparin by using Functionalised Silica Nanoparticles Containing Binding Sites and a Signalling Reporter

机译:通过使用功能化的二氧化硅纳米粒子包含结合位点和信号报道记者对肝素的选择性色荧光传感。

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摘要

Heparin detective: Silica nanoparticles functionalised with ion-channel scaffolds were prepared and used for the chromofluorogenic sensing of heparin in aqueous environments (see figure). The surface of the nanoparticles was functionalised with polyamines (binding sites) and thiols. The reaction of a dye (squaraine) with the surface thiol groups was selectively inhibited by the coordination of heparin with the partly protonated polyamines.
机译:肝素检测剂:制备了用离子通道支架功能化的二氧化硅纳米颗粒,并将其用于水性环境中肝素的发色荧光检测(见图)。纳米颗粒的表面用多胺(结合位点)和硫醇官能化。肝素与部分质子化的多胺的配位作用选择性地抑制了染料(方酸)与表面硫醇基团的反应。

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