Leucomalachite Green Immunoassay Direct Detection
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Solution Overview
Problem
Current methods for detecting and determining leucomalachite green and malachite green in samples are limited, particularly due to the difficulty in analyzing leucomalachite green, which lacks chromophores in the visible region, requiring additional steps like oxidation to malachite green for detection, and existing immunoassays are time-consuming and prone to errors.
Innovation Solution
Development of immunogens and antibodies specific to leucomalachite green, coupled with crosslinkers to antigenicity-conferring carrier materials or detectable labeling agents, allowing for direct detection and quantification of both leucomalachite green and malachite green without the need for pre-treatment, enhancing sensitivity and reducing experimental errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Difficulty of detecting and measuring
If post-column oxidation step is used to detect leucomalachite green, then detection capability is improved, but analysis time and process complexity increase
Solution Approach 1:
The patent applies preliminary action by developing antibodies that can directly recognize and bind to leucomalachite green in its reduced form, eliminating the need for post-column oxidation steps. The immunogen is designed with a crosslinker attached to the phenyl ring position that mimics the natural epitope structure, enabling direct detection without chemical conversion, thus saving analysis time while maintaining detection capability.
2Measurement precision
If lead dioxide or electrochemical oxidation is used for pre-column oxidation, then detection sensitivity is improved, but method complexity and potential contamination increase
Solution Approach 1:
The patent extracts the oxidation step entirely from the analytical method by developing antibodies specific to leucomalachite green. Instead of requiring chemical oxidation reagents like lead dioxide or electrochemical cells, the method directly detects the reduced form using antigen-antibody binding, thereby simplifying the methodology while maintaining or improving detection sensitivity through specific immunological recognition.
3Measurement precision
If radioimmunoassay is used for detection, then sensitivity is improved, but safety risks and regulatory requirements increase
Solution Approach 1:
The patent replaces long-lived radioactive isotopes with non-radioactive detection systems based on enzyme-linked or fluorescent labels. These alternative labels provide sufficient sensitivity for trace detection without the safety hazards, regulatory burdens, and long-term waste management issues associated with radionuclides, while maintaining the high sensitivity characteristic of immunoassays.
4Measurement precision
If multiple analysis steps are used for malachite green and leucomalachite green, then detection accuracy is improved, but productivity decreases
Solution Approach 1:
The patent merges the detection of malachite green and leucomalachite green into a single immunoassay procedure. By developing antibodies that recognize the phenyl ring structure common to both compounds and using a unified sample processing protocol, the method achieves accurate simultaneous detection of both analytes without requiring separate oxidation and analysis steps for each compound, thereby significantly improving productivity while maintaining detection accuracy.
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 solution enables efficient, sensitive, and specific detection and quantification of leucomalachite green and malachite green, improving upon existing methods by reducing the complexity and increasing the accuracy of the analysis, with high cross-reactivity and sensitivity, allowing for detection at concentrations below established limits.
Implementation Method 1
an immunogen comprising leucomalachite green, coupled by way of a crosslinker, to an antigenicity-conferring carrier material
Implementation Method 2
antibodies raised against such immunogens... Specific binding reactions, such as antibody-antigen interactions
Implementation Method 3
conjugates comprising leucomalachite green, covalently bonded by way of a crosslinker, to a detectable labelling agent
Data Source
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AI summary
The invention provides haptens, immunogens comprising such haptens coupled to an antigenicity-conferring carrier material, conjugates comprising such haptens bonded to a labelling agent as well as, antibodies raised against such immunogens and capable of binding with leucomalachite green and malachite green.