Antibody-Based Detection of Yeast Cell Wall Components in Feed
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Solution Overview
Problem
Current methods for detecting yeast cell wall components in animal feed are hindered by the presence of interfering compounds and low concentrations, making it challenging to monitor the presence of yeast-based additives like MYCOSORB effectively, which are crucial for mitigating mycotoxin contamination and ensuring animal health.
Innovation Solution
A method involving the use of primary antibodies that bind to yeast cell wall components such as (1→4)-α-D-glucan, (1→6)-β-D-glucan, and (1→4)-α-/(1→6)-β-D-glucan, followed by secondary antibody detection, is employed to detect these components in feed samples, utilizing antigen-antibody complexes and ELISA assays, with antigens being conjugated to carriers like BSA for enhanced immunogenicity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional detection methods are used to detect yeast cell wall components in animal feed, then the detection process is simple, but the detection precision is insufficient due to interfering compounds and low concentrations
Solution Approach 1:
The detection method is segmented into multiple sequential steps: sample preparation, primary antibody incubation, washing to remove interferents, secondary antibody incubation, and signal detection. This segmentation allows each step to be optimized independently, improving overall detection precision while managing complexity through structured workflow
Solution Approach 2:
Antibodies serve as intermediary molecules that specifically bind to yeast cell wall components (antigens). The primary antibody captures the target analyte, and the secondary antibody provides signal amplification. This intermediary approach enables specific detection of low-concentration yeast components even in the presence of interfering compounds
2Reliability
If antibodies are used to detect yeast cell wall components, then the specificity of detection is improved, but the device complexity increases due to multiple antibodies and conjugation steps
Solution Approach 1:
The two-antibody system acts as an intermediary detection mechanism where the primary antibody provides specific antigen capture and the secondary antibody provides signal amplification. This intermediary approach enhances detection reliability by reducing false positives from interfering compounds while the standardized protocol manages procedural complexity
Solution Approach 2:
The assay utilizes parameter changes in the form of signal amplification through secondary antibody conjugation. By changing the detection parameter from direct binding to amplified signal readout, the method achieves higher reliability for detecting low-concentration yeast components while maintaining manageable complexity through established ELISA protocols
3Object-affected harmful factors
If the concentration of yeast cell wall components in feed is low, then the feed is safer for animal consumption, but the detection becomes more difficult
Solution Approach 1:
The antibody-antigen binding system serves as a sensitive intermediary that can detect yeast cell wall components at very low concentrations. The high affinity of antibodies for their specific antigens enables detection even when yeast components are present at trace levels in feed, maintaining safety while overcoming detection difficulties
Solution Approach 2:
The detection method utilizes parameter changes through signal amplification in the ELISA assay. By converting low-concentration antigen binding into amplified optical or chemical signals, the method can reliably detect trace amounts of yeast cell wall components, enabling monitoring of safe feed products with low mycotoxin contamination
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
This approach allows for robust and specific detection of yeast cell wall components in feed products, even at low concentrations, providing a reliable method for monitoring the presence of yeast-based additives and ensuring their efficacy in sequestering mycotoxins, thereby improving animal health.
Implementation Method 1
exposing said sample to a primary antibody capable of binding to an antigen selected from the group consisting of (I→4)-α-D-glucan, (I→6)-β-D-glucan, and (I→4)-α-/(I→6)-β-D-glucan thereby forming a primary antibody-antigen complex
Implementation Method 2
detecting the degree of binding between said primary antibody and said antigen using a secondary antibody
Data Source
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AI summary
The present invention relates to animal feed additives and detection thereof in feed products. Additionally, the present invention relates to yeast cell wall components, their methods of isolation, and compositions and methods for the immunological detection thereof.