#diagnostics #typhoid #video
Widal Test Procedure By Anamol Laboratories Private Limited.
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👉👉Intended use:👈👈
Test for determination of antibodies against Salmonella antigens by Slide & Tube Test method.
👉👉Introduction:👈👈
Salmonella typhi & Salmonella paratyphi are the causative agents of “Enteric Fever”. The antigens of typhoid and paratyphoid consist of 2 distinct fractions - the stable somatic ‘O’ antigen and the labile flagellar ‘H’ antigen. The paratyphoid antigens are further classified into ‘A’ and ‘B’ species. In typhoid and paratyphoid, the ‘H’ antigen is type specific whereas the ‘O’ antigen is group specific.
👉👉Method Principle👈👈
Widal antigens are the standardized smooth suspension of killed bacterial antigens of qualitative and semi-quantitative detection of S. typhi and S. paratyphi antibodies. An undiluted serum is used in slide test. It is simple, rapid and convenient screening test. The slide test is standardized in such a way that they can be used for either slide or tube technique. In doubtful cases, it is recommended to perform the tube technique for obtaining conclusive results. A marked rise in the titer to one serotype (above 1:80) suggests infection. Diagnostically, a rising antibody titer of at least four-fold (two tube difference) is considered more significant than a single test. It is observed that individuals immunize with TAB vaccine may show a moderately high titer for all antigens.
👉👉Pack Size:👈👈
4x5 ML.
👉👉Kit components: 👈👈
S. typhi ‘O’ Antigen - 1 bottle of 5 ml.
S. typhi ‘H’ Antigen - 1 bottle of 5 ml.
S. paratyphi ‘AH’ Antigen - 1 bottle of 5 ml.
S. paratyphi ‘BH’ Antigen - 1 bottle of 5 ml.
Positive Control - 1 bottle.
Negative Control - 1 bottle.
Glass Slide - 1 Nos.
Instructions for Use.
👉👉Storage Temperature: 👈👈
2- 8 0C.
👉👉Shelf life: 👈👈
18 months.
Anamol Laboratories Pvt. Ltd. is an ORIGINAL MANUFACTURER of biochemical formulations for the diagnosis of various diseases since 36 years. We manufacture products for Clinical Chemistry, Serology, Immunoturbidimetry, Rapid Tests, Urine Strips, Laboratory Stains and Chemicals, Molecular Biology, etc.
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