ECL Co-Reactant Composition for Stronger, Lower-Noise Detection
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Solution Overview
Problem
Existing electrochemiluminescence (ECL) systems face limitations with tripropylamine (TPrA) as a co-reactant, including low luminescence efficiency, toxicity, instability, and sensitivity to electrode materials, which affect detection reproducibility and signal strength.
Innovation Solution
A novel electrochemiluminescence co-reactant, represented by Chemical Formula I, such as 4-dimethylaminopyridine (4-DMAP), is used to enhance luminescence efficiency and reduce dependence on electrode materials, allowing for improved detection sensitivity and reproducibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If conventional co-reactants (triethanolamine, tris(hydroxymethyl)aminomethane) are used in electrochemiluminescence systems, then the system can operate with simple composition, but the luminous efficiency is insufficient and background noise is high
Solution Approach 1:
The patent changes the chemical structure parameters of the co-reactant by introducing a quaternary ammonium ion group and specific hydroxyl group arrangements. This structural parameter change enables the co-reactant to achieve higher luminous efficiency and lower background noise while maintaining reasonable system complexity.
Solution Approach 2:
The patent creates a composite co-reactant molecule combining quaternary ammonium ion functionality with specific hydroxyl group configurations. This composite molecular structure integrates multiple functional characteristics that collectively improve luminous efficiency and reduce background interference.
2Measurement precision
If conventional co-reactants are used, then the reagent system remains simple, but the signal-to-noise ratio is poor due to high background noise
Solution Approach 1:
The patent modifies molecular parameters including the introduction of quaternary ammonium ion groups and specific hydroxyl group positions, which change the electrochemical behavior and luminescence characteristics to achieve lower background noise and improved signal-to-noise ratio.
3Ease of manufacture
If the co-reactant structure is simplified for ease of manufacture, then production becomes easier, but the electrochemiluminescence performance deteriorates
Solution Approach 1:
The patent identifies critical structural parameters (quaternary ammonium ion group and hydroxyl group configuration) that must be maintained for high performance, while allowing flexibility in other aspects of molecular structure to facilitate manufacturing.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The new co-reactant provides enhanced luminescence intensity and detection sensitivity, enabling more accurate and efficient bioanalytical applications with reduced toxicity and improved handleability, particularly in immunoassays and diagnostic devices.
Implementation Method 1
the co-reactant according to any one of claims 1 to 3, and an electrochemiluminescence system comprising the same
Data Source
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AI summary
The present invention relates to a novel electrochemiluminescence (ECL) co-reactant, and an electrochemiluminescence system including the same. The electrochemiluminescence co-reactant including a compound represented by Chemical Formula I, or a pharmaceutically acceptable salt thereof, can be widely and generally applied to immunoassays and diagnostic devices based thereon which uses an electrochemiluminescent label of a specific luminescent species (a polycyclic aromatic hydrocarbon compound, a metal complex compound, a quantum dot, or nanoparticles, and the like, and have excellent the detection signal and improved the voltage application condition can be improved when measuring electrochemiluminescence. In Chemical Formula I, wherein each R1 and R2 may be the same as or different from each other, and represent any one selected from the group consisting of: a hydrogen atom; a halogen atom; a C1-C6 straight-chain, branched, or cyclic alkyl group; a C1-C6 alkoxy group; and a C1-C6 haloalkyl group.