NDLI: Flow injection electrochemiluminescence determination of l-lysine using tris(2,2′-bipyridyl) ruthenium(ii) (Ru(bpy)<sub>3</sub><sup>2+</sup>) on indium tin oxide (ITO) glass

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Analytical Methods Vol - 3 Issue - 4

Analytical Methods Vol - 3 Issue - 3

Analytical Methods Vol - 3 Issue - 2

Analytical Methods Vol -2

Analytical Methods Vol -1

Flow injection electrochemiluminescence determination of l-lysine using tris(2,2′-bipyridyl) ruthenium(ii) (Ru(bpy)₃²⁺) on indium tin oxide (ITO) glass

Content Provider	Royal Society of Chemistry (RSC)
Author	Yan, Mei Wan, Fuwei Wang, Shaowei Yu, Jinghua Zhang, Meng Ge, Shenguang
Copyright Year	2011
Abstract	A flow injection electrochemiluminescence (FI-ECL) analysis method for the determination of L-lysine, in alkaline Na2CO3-NaHCO3 buffer solution, in the presence of tris(2,2′-bipyridyl) ruthenium(II) (Ru(bpy)32+) on indium tin oxide (ITO) glass was studied by conventional cyclic voltammetry. This method is based on the enhanced ECL of Ru(bpy)32+- L-lysine. Meanwhile, in order to overcome the drawbacks of conventional cells, a new ECL cell was designed. Under the optimal conditions, the enhanced ECL intensity was linearly related to the concentration of L-lysine in the range from 1.0 × 10−8 to 1.0 × 10−4 g mL−1 with a detection limit 1.43 × 10−9 g mL−1. The relative standard deviation (RSD) for the determination of 1.0 × 10−6 g mL−1L-lysine was 1.8% (n = 11). The possible mechanism is discussed. In this paper, the ECL behavior of Ru(bpy)32+ is studied on ITO glass, and the newly designed sensor is reusable, shows a great improvement in sensitivity and selectivity for ECL analysis, and can be successfully applied for amino acid analysis.
Starting Page	1163
Ending Page	1167
Page Count	5
File Format	HTM / HTML PDF
ISSN	17599660
Volume Number	3
Issue Number	5
Journal	Analytical Methods
DOI	10.1039/c0ay00632g
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Cyclic voltammetry Acid Ruthenium Lysine Tin Electrochemiluminescence Buffer solution Coefficient of variation ECL
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Engineering Chemical Engineering

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