无表面基团上转换纳米颗粒

  • 发光波长:475 nm,粒径:25nm
有货

库存信息

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库存信息

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货号 (SKU) 包装规格 是否现货 价格 数量
L140896-10mg
10mg 期货 Stock Image
L140896-50mg
50mg 期货 Stock Image

基本描述

别名 Ligand-free UCNs
英文别名 Ligand-free UCNs
规格或纯度 发光波长:475 nm,粒径:25nm
英文名称 Ligand-free upconverting nanoparticles
储存温度 2-8°C储存
运输条件 冰袋运输
产品介绍

此系列产品为无表面基团上转换纳米颗粒,材料组成为NaYREF4 (RE:Yb, Er, Tm, Gd, Mn, Lu),最佳激发波长为975 nm。敏化离子为Yb3+,激活离子为Er3+或Tm3+。通过调节各离子掺杂浓度,产品在特定波长的发光已得到优化。纳米颗粒经稀盐酸处理,已除去吸附在表面的油酸,所以可以直接分散在水合酒精等溶剂中。产品粒径均一,发光量子效率高,光稳定性好。经过表面改性后,该系列产品可用于荧光成像、生物检测、光动力疗法,以及抗癌药物和生物分子的光控远程释放等。

This series of products contains ligand-free NaYREF4 (RE:Yb, Er, Tm, Gd, Mn, Lu) UCNs with optimal excitation wavelength at 975 nm. The sensitizer is Yb3+, and the activator is Er3+ or Tm3+. The doping concentrations are optimized, leading to strong upconverted emissions at specific wavelengths.The oleates have been removed from the nanoparticle surface through treatment with diluted hydrochloric acid, rendering UCNs dispersible directly in water and ethanol. The UCNs are of high quantum efficiency and very photostable
After proper surface modification and functionalization, the products can be used for fluorescence imaging, biodetection, photodynamic therapy and photoactivation of anti-cancer drugs and biomolecules.

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