Synthesis of nmicro-size and nanometer particles containing trigeminy ruthenium pyridine

A technology of ruthenium terpyridine and nanoparticles, applied in chemical instruments and methods, luminescent materials, etc., can solve the problems of low sensitivity, ineffective reuse, and small amount of fixation

Inactive Publication Date: 2009-03-25
CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

But so far, all the studies of this luminescent system are based on Ru(bpy) 3 2+ Molecular, these methods have some disadvantages, such as ineffective reuse, relatively small amount of fixation, low sensitivity, etc. (Reference: Zhang et al., Journal of Physical Chemistry B, 1998, Vol. 92, 5566 ; J.Phys.Chem.B, 92, 5566 (1998); Miller et al., Langmuir, 1991, Vol. 7, 2781; Langmuir, 7, 2781 (1991). Obeng et al., Langmuir Err, 1991, Vol. 7, 195; Langmuir, 7, 195 (1991). Shultz et al., American Analytical Chemistry, 1996, Vol. 68, 349; Anal. Chem., 68, 349 (1996). Downey et al., American Analytical Chemistry, 1992, Vol. 64, 261; Anal.Chem.64, 261 (1992). Zhao et al., American Analytical Science, 1998, Vol. 14, 439; Anal.Chem. .14, 439 (1998). Wang et al., Analyst, 2001, Vol. 126, 1095; Analyst, 126, 1095 (2001). Wang et al., Electroanalysis, 2002, Vol. 14, 853 ; Electroanalysis, 14, 853 (2002). Guo et al., American Analytical Chemistry, 2004, Vol. 76, 184; Anal.Chem.76, 184 (2004). Guo et al., American Analytical Chemistry, 2004 , Vol. 26, 2683; Anal. Chem. 26, 2683 (2004)

Method used

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  • Synthesis of nmicro-size and nanometer particles containing trigeminy ruthenium pyridine
  • Synthesis of nmicro-size and nanometer particles containing trigeminy ruthenium pyridine
  • Synthesis of nmicro-size and nanometer particles containing trigeminy ruthenium pyridine

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Experimental program
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Effect test

Embodiment 1

[0011] 2mL concentration of 0.005M Ru(bpy) 3 2+ aqueous solution (0.01 mmol) and 1 mL of 0.01 M PtCl 6 2- The aqueous solution (0.01mmol) was directly mixed at room temperature in a molar ratio of 1:1, and left for 0.1 hour to obtain a solution containing Ru(bpy) 3 2+ micron particles.

Embodiment 2

[0013] 2mL concentration of 0.005M Ru(bpy) 3 2+ Aqueous solution (0.01mmol) and 1mL of 0.02M PdCl 4 2- The aqueous solution (0.02mmol) was directly mixed at room temperature in a molar ratio of 1:2, and left for 0.5 hours to obtain a solution containing Ru(bpy) 3 2+ micron particles.

Embodiment 3

[0015] 2mL concentration of 0.005M Ru(bpy) 3 2+ Aqueous solution (0.01mmol) and 0.2mL of 0.03M Fe(CN) 6 3- The aqueous solution (0.006mmol) molar ratio was directly mixed at room temperature according to 1:0.6, and left for 0.2 hours to obtain a solution containing Ru(bpy) 3 2+ micron particles.

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Abstract

Synthesis of micron and nanometer particle containing Ru(bpy)32+ is carried out by mixing Ru(bpy)32+ with anionic compound or anionic polyelectrolyte solution proportionally and preparing mass micron and nanometer particle containing Ru(bpy)32+. It has excellent electrochemiluminescent performance and is simple and fast. It can be used for capillary electrophoresis or solid ECL inspection.

Description

technical field [0001] The invention relates to a new method for synthesizing micron and nanometer particles containing ruthenium terpyridine. Background technique [0002] Electrochemiluminescence (also known as electrochemiluminescence, ECL) refers to the generation of some special substances on the electrode surface by electrochemical methods, and these substances form excited states through electron transfer between them or with other components in the system. The phenomenon of luminescence produced by returning the excited state to the ground state. In recent years, electrochemiluminescence has attracted widespread attention due to its good controllability, high sensitivity, good selectivity, simple instrumentation, and fast analysis speed, and has developed into an important and valuable analytical and detection method, widely used It is used in immunoassays and DNA analysis, chemical sensing, imaging, laser and optical research, and is also used in chromatography and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09K11/00
Inventor 汪尔康孙旭平董绍俊
Owner CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI
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