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Surface-modified upconverting microparticles and nanoparticles for use in click chemistries

机译:用于点击化学的表面改性的上转换微粒和纳米颗粒

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摘要

A method is described for modifying the surface of upconverting microparticles (UCμPs) and nanoparticles (UCNPs) such that they become amenable to click chemistry. Respective reagents are presented and used in both kinds of particles, either directly or in combination with tetraethoxysilane. The particles also were labeled by using the click reaction, a) with fluorophores to yield materials that have emission colors that depend on the wavelength of excitation; b) with maleinimido groups (so to obtain labels for thiols), and c)with biotin (to make them useful for affinity studies based on the biotin-streptavidin system). We believe that both the UCμPs and UCNPs have the potential of being used in numerous areas including upconversion imaging, biolabeling, and derivatization, but also in encoding and security.
机译:描述了一种用于修饰上转换微粒(UCμPs)和纳米颗粒(UCNPs)的表面,以使其适合点击化学的方法。提出了直接或与四乙氧基硅烷结合使用并在两种颗粒中使用的各种试剂。颗粒还通过使用点击反应进行标记:a)用荧光团产生具有取决于激发波长的发射颜色的材料; b)具有马来酰亚胺基(以获得硫醇的标记),以及c)具有生物素(使它们可用于基于生物素-链霉亲和素系统的亲和力研究)。我们相信UCμP和UCNP都有潜力在许多领域中使用,包括上转换成像,生物标记和衍生化,以及编码和安全性。

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