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THE ISOELECTRIC ZONE OF TYPHOID AGGLUTININ.
1Pathological Laboratory, Mount Sinai Hospital, New York.
The Journal of General Physiology
|October 30, 2009
Summary
The isoelectric point of typhoid agglutinin, a key component in bacterial identification, was determined to be between pH 4.4 and 4.6. This finding aids in understanding its behavior in diagnostic assays.
Area of Science:
- Biochemistry
- Immunology
- Microbiology
Background:
- Typhoid agglutinin is crucial for serological identification of Salmonella Typhi.
- Understanding the physicochemical properties of agglutinins is essential for optimizing diagnostic techniques.
Purpose of the Study:
- To determine the isoelectric point (pI) of typhoid agglutinin.
- To provide fundamental data for the characterization of typhoid agglutinin.
Main Methods:
- Isoelectric focusing was employed to determine the pI.
- Electrophoretic techniques were utilized to analyze the protein's charge properties.
Main Results:
- The isoelectric point of typhoid agglutinin was found to be in the pH range of 4.4–4.6.
- This pI indicates the pH at which the molecule carries no net electrical charge.
Conclusions:
- The determined isoelectric point provides critical information for the purification and application of typhoid agglutinin.
- This data can inform the development of improved diagnostic tools for typhoid fever.
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