Preparation and Properties of Near-infrared Yb(P4)(CoP) Dyes Doped Polystyrene/Silica Nanoparticles

LI Yue-juan; MENG Jian-xin; CAO Li-wei; JIANG Feng-lei; WONG Rick

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Preparation and Properties of Near-infrared Yb(P4)(CoP) Dyes Doped Polystyrene/Silica Nanoparticles

paper | 更新时间：2020-08-12

- Preparation and Properties of Near-infrared Yb(P4)(CoP) Dyes Doped Polystyrene/Silica Nanoparticles
- Chinese Journal of Luminescence Vol. 30, Issue 3, Pages: 351-355(2009)
- 作者机构：
  
  1. 暨南大学化学系,广东广州,510632
  2. 暨南大学纳米化学研究所,广东广州,510632
  3. 香港浸会大学化学系, 香港九龙塘
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Received：04 August 2008，
  
  Revised：02 January 1900，
  
  Published Online：30 June 2009，
  
  Published：30 June 2009
- 稿件说明：
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LI Yue-juan, MENG Jian-xin, CAO Li-wei, et al. Preparation and Properties of Near-infrared Yb(P4)(CoP) Dyes Doped Polystyrene/Silica Nanoparticles[J]. Chinese journal of luminescence, 2009, 30(3): 351-355.
DOI：

LI Yue-juan, MENG Jian-xin, CAO Li-wei, et al. Preparation and Properties of Near-infrared Yb(P4)(CoP) Dyes Doped Polystyrene/Silica Nanoparticles[J]. Chinese journal of luminescence, 2009, 30(3): 351-355. DOI：

摘要

利用苯乙烯与3-甲基丙烯酰氧基丙基三甲氧基硅烷(KH570)化学反应合成共聚前驱物

再采用凝胶-溶胶法

与四乙氧基硅烷在一定的条件下共同水解与缩合

合成了近红外染料合镱(Ⅲ)掺杂的聚苯乙烯/二氧化硅复合纳米粒子。这种制备染料掺杂复合纳米粒子的方法既克服了传统物理包埋方法染料容易泄漏的问题

又不受到化学键合方法对近红外染料分子性质的限制。用扫描电子显微镜表征该复合纳米粒子呈球形

大小均匀

直径约100 nm。所制得的纳米粒子荧光性质稳定

受外界环境的影响小

具潜在生物亲和性

是一种新型的近红外荧光标记物。

Abstract

In an effort to prepare efficient and uniform biolabels

we have developed a novel fluorophore doped polystyrene/silica nanoparticles via sol-gel method. The copolymer precursors are obtained via copolymerizations of styrene and 3-methactyloxylpropyltrimethoxylsilane (KH570). The controlled hydrolysis and condensation of tetraethyl orthosilicate (TEOS) in sol-gel route leads to the formation of near-infrared ytterbium(Ⅲ)- (cyclopentadienyl)tris(diethylphosphito)cobaltate(Ⅰ) anion dyes doped polystyrene/silica nanoparticles. The method significantly reduces fluorescent dye leaching from the nanoparticles

and can be conveniently applied to various dyes molecules with no active group. Scanning electron microscope(SEM) images showed that the nanoparticles are very uniform spherical shape and monodispersed with a diameter of about 100 nm. The present near-infrared fluorescent nanoparticles possess with the values of facilitating bio-modification

biocompatibility

higher detection sensitivity and photo-stabi-lity

and will be well applied in cell recognition

bacterial detection

DNA analysis and so on.

关键词

Keywords

references

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