Mycoplasma pneumoniae Analyzer Antibody Specificity
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Solution Overview
Problem
Traditional immunochromatographic analyzers for detecting Mycoplasma pneumoniae are not sensitive enough and experience non-specific reactions, making them inadequate for reliable diagnosis.
Innovation Solution
An immunochromatographic analyzer using an antibody that strongly recognizes domain III of the P30 protein of Mycoplasma pneumoniae, with the antibody forming a sandwich structure to enhance detection sensitivity, and an analyte diluting solution containing non-ionic surfactants to improve antigen-antibody reaction specificity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If traditional antibodies against Mycoplasma pneumoniae are used in immunochromatographic analyzers, then the analysis can be performed with simple structure and operation, but the detection sensitivity is insufficient and non-specific reactions occur
Solution Approach 1:
The patent changes the key parameter of antibody target recognition from traditional antigens (P1 protein, ribosomal protein L7/L12) to a specific epitope in domain III of P30 protein. This parameter change in antibody specificity enables high-sensitive detection while maintaining the simplicity of the immunochromatographic analyzer structure and operation.
2Reliability
If antibodies with broad recognition are used, then non-specific reactions increase, but if highly specific antibodies are used, then manufacturing complexity increases
Solution Approach 1:
The patent applies local quality by directing antibody recognition to a specific local region (domain III) of the P30 protein rather than broad recognition. This localized epitope targeting enhances diagnostic reliability by reducing non-specific reactions while the antibody can still be produced through standard immunization methods using the defined amino acid sequence.
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
Enables quick and high-sensitive detection of Mycoplasma pneumoniae, providing a reliable and early diagnosis of mycoplasma pneumonia infections.
Implementation Method 1
the label-substance retaining section and the detection section contain an antibody that strongly recognizes domain III of P30 protein of Mycoplasma pneumoniae
Implementation Method 2
developing the analyte and the antibody P30(A) as a mobile phase through the chromatographic medium section
Data Source
AI summary
The present invention is intended to provide an immunochromatographic analyzer that enables a quick and easy, high-sensitivity detection of Mycoplasma pneumoniae, and thus more reliable and faster diagnosis of mycoplasma pneumonia. The immunochromatographic analyzer according to the present invention is for detecting Mycoplasma pneumoniae, and includes a sample adding section, a label-substance retaining section, a chromatographic medium section having a detection section, and an absorbing section. The label-substance retaining section and the detection section contain an antibody that strongly recognizes domain III of P30 protein of Mycoplasma pneumoniae consisting of the amino acid sequence of SEQ ID NO: 2.