Electrochemiluminescence Signal Amplification of Ru(bpy)32+ Supramolecular Inclusion and Its Composite Nanoparticles

GUO Wu-run; DOU Xing-ru; GE Zhi-li; REN Zhao-gang; XIE Hong-ping

doi:10.3788/fgxb20143505.0558

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Electrochemiluminescence Signal Amplification of Ru(bpy)₃²⁺ Supramolecular Inclusion and Its Composite Nanoparticles

更新时间：2020-08-12

- Electrochemiluminescence Signal Amplification of Ru(bpy)₃²⁺ Supramolecular Inclusion and Its Composite Nanoparticles
- Chinese Journal of Luminescence Vol. 35, Issue 5, Pages: 558-564(2014)
- 作者机构：
  
  1. 苏州大学医学部药学院,江苏苏州,215123
  2. 西华师范大学化学化工学院,四川南充,637002
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20143505.0558
  CLC： O482.31;O614.82
- Received：02 January 2014，
  
  Revised：23 January 2014，
  
  Published Online：16 February 2014，
  
  Published：03 May 2014
- 稿件说明：
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郭武润, 豆兴茹, 葛芝莉等. 三联吡啶钌超分子包合物及其SiO2复合纳米粒的电化学发光信号放大[J]. 发光学报, 2014,35(5): 558-564

GUO Wu-run, DOU Xing-ru, GE Zhi-li etc. Electrochemiluminescence Signal Amplification of Ru(bpy)32+ Supramolecular Inclusion and Its Composite Nanoparticles[J]. Chinese Journal of Luminescence, 2014,35(5): 558-564
郭武润, 豆兴茹, 葛芝莉等. 三联吡啶钌超分子包合物及其SiO2复合纳米粒的电化学发光信号放大[J]. 发光学报, 2014,35(5): 558-564 DOI： 10.3788/fgxb20143505.0558.

GUO Wu-run, DOU Xing-ru, GE Zhi-li etc. Electrochemiluminescence Signal Amplification of Ru(bpy)32+ Supramolecular Inclusion and Its Composite Nanoparticles[J]. Chinese Journal of Luminescence, 2014,35(5): 558-564 DOI： 10.3788/fgxb20143505.0558.

摘要

利用环糊精类物质能够形成超分子包合物的性质，研究了电中性的-环糊精（-CD）和负电性的羧甲基--环糊精（CM--CD）与电化学发光（ECL）活性物质三联吡啶钌（Ru（bpy）

）形成超分子包合物的能力及其对ECL的增强作用。结果表明：形成的超分子包合物能够增强Ru（bpy）

的ECL，其中CM--CD具有更强的增强作用。相对于Ru（bpy）

，CM--CD增强了1.42倍，而-CD仅为1.28倍。以制备的表面电荷为负的SiO

纳米粒为载体，考察了其对Ru（bpy）

超分子包合物的吸附能力。结果表明，与Ru（bpy）

的CM--CD超分子包合物相比，SiO

纳米粒载体对Ru（bpy）

的-CD 超分子包合物表现出了更强的吸附能力。制备了ECL信号放大能力最强的-CD-Ru（bpy）

超分子包合物的SiO

复合纳米粒。

Abstract

Based on the property that cyclodextrin substances can form supramolecular inclusion

we studied the ability of electroneutral -cyclodextrin (-CD) or electronegative carboxymethyl--cyclodextrin (CM--CD) for forming supramolecular inclusion with electrochemiluminescence (ECL) active substance Ru(bpy)

and their ECL enhancement. The results show that the supramolecular inclusions can enhance the ECL of Ru(bpy)

. Compared with Ru(bpy)

CM--CD increases 1.42 times while only 1.28 times for -CD. Using SiO

nanoparticles with negative surface charge as carriers

their absorption capacity for Ru(bpy)

supramolecular inclusion was investigated. The results show that SiO

nanoparticle carriers have a stronger adsorption capacity for -CD supramolecular inclusion of Ru(bpy)

. SiO

composite nanoparticles of -CD-Ru(bpy)

supramolecular inclusion with srtongest ECL signal amplification were prepared in this paper.

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Keywords

references

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