Nitrogen Heterocyclic Enhancer for Chemiluminescence Stability
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Solution Overview
Problem
Current chemiluminescence enzyme immunoassays have limited luminescent intensity and short luminescence duration, affecting the stability and reproducibility of detection results.
Innovation Solution
A reagent comprising luminol or luminol derivatives, an oxidant, and a nitrogen-containing fused heterocyclic enhancer such as imidazo[1,2-a]pyridine, which enhances luminescent intensity and prolongs luminescence time.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If luminol and oxidant are used for chemiluminescence reaction, then light emission is generated rapidly, but the duration of luminescence is short
Solution Approach 1:
The patent introduces an electron mediator (such as phenol, catechol, or hydroquinone) that acts as an intermediary substance between the oxidant and luminol. The mediator accepts electrons from the oxidant and transfers them to luminol in a controlled manner, extending the reaction duration while maintaining light emission intensity. This intermediary mechanism resolves the contradiction by decoupling the rapid initial reaction from the overall reaction duration.
Solution Approach 2:
The patent modifies the chemical parameters of the reaction system by introducing electron mediators and adjusting their concentrations. This changes the reaction kinetics from a rapid single-step process to a multi-step process with extended duration. The parameter change in the reaction mechanism allows both rapid initial emission and prolonged duration to coexist.
2Illumination intensity
If chemical enhancers like p-iodophenol or N-azole are used, then luminescent intensity is increased, but the enhancement is still limited
Solution Approach 1:
The patent creates a composite chemiluminescence system combining luminol, oxidant, electron mediator, and chemical enhancer in specific proportions. This composite approach synergistically combines multiple components to achieve both high luminescent intensity and stable detection results. The composite formulation resolves the contradiction by optimizing the interaction between components rather than relying on a single enhancer.
Solution Approach 2:
The patent systematically adjusts the concentrations and ratios of multiple components (luminol, oxidant, mediator, enhancer) to optimize both luminescent intensity and detection stability. By changing the parameters of the reaction system in a coordinated manner, the patent achieves enhanced performance without sacrificing reliability.
3Illumination intensity
If traditional enhancers are used to increase luminescent intensity, then some enhancement is achieved, but the enhancement is still limited and detection stability is insufficient
Solution Approach 1:
The electron mediator serves as a bridge that controls electron transfer between the oxidant and luminol, ensuring consistent and reproducible reaction conditions. This intermediary mechanism provides stability to the reaction process, improving measurement precision while allowing the use of enhancers to boost luminescent intensity.
Solution Approach 2:
The patent develops a composite reagent system where multiple components work together synergistically. The combination of luminol, oxidant, electron mediator, and chemical enhancer in optimized proportions achieves both high luminescent intensity and excellent detection reproducibility, resolving the contradiction between intensity enhancement and measurement precision.
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 reagent significantly enhances luminescent intensity and extends luminescence time, improving the sensitivity and stability of chemiluminescence detection in applications like dot blot, Western blot, and ELISA.
Implementation Method 1
luminol as a luminescent substrate emits light by oxidation-reduction reaction under the action of the enzyme-labeled immunoreactant and the luminescent reagent
Implementation Method 2
luminol as a luminescent substrate emits light by oxidation-reduction reaction
Implementation Method 3
an electron mediator, and an enhancer
Data Source
AI summary
A reagent for performing a chemiluminescent reaction includes luminol or luminol derivatives, an oxidant, an electron mediator, and an enhancer. The enhancer is a nitrogen-containing fused heterocyclic compound having at least two nitrogen atoms. The present disclosure further provides a kit for performing a chemiluminescent reaction comprising the aforesaid reagent.