Salmonella typhi & Salmonella paratyphi are the causative agents of “Enteric Fever”. In Enteric Fever, once the patient is on medication, it becomes difficult to isolate the organisms. In serological tests, the antibodies produced as a result of infection are detected using the killed and Inactivated bacterial antigens. The antibodies from the patient’s serum react with the corresponding antigens to give clumping or agglutination. The antigens of Typhoid and Paratyphoid consist of two distinct fractions. The StableSomatic’ O’ Antigen and the Labile Flagellar ‘H’ Antigen. The Paratyphoid Antigens are further classified into A& B species. In Typhoid and Paratyphoid, the ‘H’ Antigen is Type Specific, whereas the ‘O’ Antigen is Group Specific. SeroMAX WIDAL Antigens are stabilized smooth suspensions of killed and inactivated bacterial antigens for Qualitative and Semiquantitative Detection of S. typhi and S. paratyphi Antibodies. The different color given to each Antigen facilitates the differentiation. It also avoids the possible errors of misinterpretation. As the undiluted serum is used in Slide Test, it is a Simple, Rapid and Convenient Screening Test. The slide test antigens are standardized so that they can be used for either the Slide or Tube Technique. In doubtful cases, it is recommended to perform the tube technique to obtain conclusive results. A marked rise in the titre to one Serotype (above 1:80) suggests infection. Diagnostically a rising antibody titre of at least four folds (two tube difference) is considered more significant than a single test. It is observed that individuals immunized with the TAB vaccine may show a moderately high titre for all the Antigens.
SEROMAX WIDAL 4X5
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Shipping is chargableINTENDED USE :
(For the Qualitative and Semi-Quantitative determination of Antibodies to Salmonella
typhi and Salmonella paratyphi in Human Serum.)
P R O D U C T F E A T U R E S :
1) Separate colour coded Antigens ensure differential diagnosis of both Salmonella typhi and
Salmonella paratyphi.
2) Uniform, Homogenous and Stabilized Bacterial Antigens ensure clear Agglutination and easy
interpretation between Positive and Negative results.
3) Qualitative and Semi Quantitative Slide Test and Tube Test procedures incorporated in the
same kit.
4) Positive Control is provided for the proper validation of the kit.
5) Positive Control provided in the kit is free from HIV & HbsAg and is safe to use.
6) Incorporates Six Sigma methodologies throughout the manufacturing processes where in the
product under goes various stringent process checks like Defining, Measuring, Analyzing,
Improving and Controlling. (DMAIC).
7) Sample dilution is not required unlike conventional procedures.
8) Avid Agglutination ensures proper discrimination between positive and negative results.
9) Optimum Bacterial Antigen concentration overcomes Immunological interferences like
Prozone Effect and Hook Effect and hence accurate results.
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