Typhoid SAT Kits 25’s Wholesale

KSh 3,200.00

At affordable price in packs of 25. Qualitative one step immunochromatographic assay. The test employs antibodies specific to S. typhi lipopolysaccharide (LPS) to selectively identify S. typhi (typhoid) infection with a high degree of sensitivity and specificity.

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SKU: Afya811432893519 Categories: , Tags: , , , , ,



Qualitative one step immunochromatographic assay. The test employs antibodies specific to S. typhi lipopolysaccharide (LPS) to selectively identify S. typhi (typhoid) infection with a high degree of sensitivity and specificity. As the specimen flows through the absorbent pad in the sample well and through the antibody/colloidal gold conjugate S. typhi antigen present in the sample binds to the conjugate forming an antigen/antibody complex. The complex continue to migrate along the membrane to the test band region where S.typhi specific LPS antibody is immobilized. In the presence of S. typhi, the antibody captures the complex. This forms a visible pink/purple band in the test line zone area (T)


SAT cassette 25 Stool collection tubes with buffer 25 Plastic droppers for transferring watery stool


Store at 2-30ºC. The test cassette is stable through the expiration date printed on the sealed pouch. The test cassette must remain in the sealed pouch until use. DO NOT FREEZE or expose the kit over 30°C. Do not use beyond the expiration date.


Consider any materials of human origin as infectious and handle them using standard biosafety procedures. 1. Collect a random stool sample in a clean, dry receptacle. Solid stool samples 2. Open the stool collection device by unscrewing the top and use the collection stick to randomly pierce the stool sample in at least five different sites. Do not scoop stool sample as this may lead to an invalid test result. 3. Ensure stool sample is only in the grooves of the collection stick. Excess stool sample may lead to an invalid test result. 4. Replace the collection stick and tighten securely to close the stool collection device. 5. Shake the stool collection device vigorously. 6. The specimen is now ready for testing, transportation or storage. MATERIALS REQUIRED – Specimen collection container – Timer – Positive Control and Negative Control


Allow the tests, stool samples and controls to reach to room temperature (15-30ºC) prior to testing. Do not open pouches until ready to perform the assay. 1. When ready to test, open the pouch at the notch and remove the test device. Place the test device on a clean, flat surface. 2. Shake the stool collection device vigorously to ensure a homogenous liquid suspension. 3. Position the stool collection device upright and twist off the dispenser cap. Holding the stool collection device vertically, dispense 2 drops of the solution into the sample well of the test device. Do not overload sample. 4. Set up the timer. C 5. Results can be read in 15 minutes after adding the specimen. Positive results can be visible in as short as 1 minute. Don’t read results after 20 minutes. To avoid confusion, discard the test device after interpreting the result.


NEGATIVE RESULT: If only the C band is developed, the test indicates that no detectable Salmonella antigen is present in the specimen. The result is negative.

POSITIVE RESULT: If both C and T bands are developed, the test indicates for the presence of Salmonella antigen in the specimen. The result is positive. Samples with positive results should be interpreted in conjunction with other testing procedure and clinical findings before a diagnostic decision is made.

INVALID: If no C line is developed, the assay is invalid regardless of any color development on the T line as indicated below. Repeat the assay with a new test device. Excess fecal specimen can lead to invalid test results; if this is the cause, re-sample and re-test (see instructions for collection of specimen).


Internal procedural control is included in the test. A Control line appearing in the control region (C) is the internal procedural control. It confirms sufficient specimen volume and correct procedural technique. A clear background is an internal negative background control. If the test is working properly, the background in the result area should be clear and not interfere with the ability to read the result. It is recommended that a positive and a negative control be evaluated to verify proper test performance when:

1. A new operator uses the kit. 2. A new test kit is used. 3. A new shipment of kits is used. 4. The temperature during storage of the kit falls outside of 2-30°C. 5. The temperature of the test area falls outside of 15-30°C.


Salmonella typhi is associated with a variety of gastrointestinal diseases like typhoid. 2. The prevalence of typhoid infection could exceed 90% in patients with signs and symptoms of gastrointestinal diseases. 3. S. typhi can be transmitted through the ingestion of food or water that is tainted with fecal matter. Antibiotics in combination with bismuth compounds showed to be effective in treating active typhoid which is currently detected by invasive testing methods (ie histology, culture) based on endoscopy and biopsy, or non-invasive testing method, such as urea breath test (UBT), serologic antibody test and stool antigen test. UBT test requires expensive lab equipment and radioactive reagent. Serologic antibody tests do not distinguish between currently active infection and past exposure or infection that has been cured. The stool antigen test detects antigen presence in the feces that indicates an active typhoid infection. It can also be used to monitor the effectiveness of treatment and the recurrence of the infection. The test is user friendly, accurate, and the result is available instantly.


Clinical Performance 324 fecal samples collected from subjects with symptomatic gastrointestinal disorders and non-gastrointestinal symptoms were tested with Linear SAT and with the UBT as reference test. Relative Sensitivity: 94.4% , Relative Specificity: 100.0%, Overall Agreement: 97.8%


This package insert must be read completely before performing the test. Failure to follow the insert gives inaccurate test results. ? Do not open the sealed pouch, unless ready to conduct the assay. Do not use any kit components beyond their stated expiration dates. Do not use the components from any other type of test kit as a substitute for the components in this kit. Bring all reagents to room temperature (15°C-30°C) before use. Do not scoop stool sample as this may lead to excess fecal specimen that tends to clot the sample pad and interfere with sample migration. Wear protective clothing and disposable gloves while handling the kit reagents and clinical specimens. Wash hands thoroughly after performing the test. Users of this test should follow the US CDC Universal Precautions for biosafety. Do not smoke, drink or eat in areas where specimens or kit reagents are being handled. Extraction buffer contains 0.1% NaN3. Avoid contact with skin or eyes. Do not ingest. Dispose of all specimens and materials used to perform the test as biohazardous waste. The test results should be read within 15 minutes after a specimen is applied to the sample well of the device. Reading results after 20 minutes may give erroneous results. ? Do not perform the test in a room with strong air flow, i.e. electric fan or strong air-conditioning.


1. The Assay Procedure and the Interpretation of Assay Result sections must be followed closely when testing for the presence of S. typhi antigen in feces. Failure to follow the procedure, particularly the Specimen Collection procedure, may cause inaccurate results. 2. The assay is limited to the qualitative detection of s.typhi antigen in human fecal specimen. The intensity of the test line does not have a linear correlation with the antigen titer in the specimen. 3. A negative result for an individual subject indicates the absence of detectable S.typhi antigen . However, a negative test result does not preclude the possibility of infection with S.typhi 4. A negative result can occur if the quantity of the S.typhi antigen present in the specimen is below the detection limits of the assay or if the antigens that are detected are not present in the fecal sample collected. 5. If symptoms persist and the result from the Linear S.typhi antigen is negative or non-reactive, it is recommended to re-sample the patient a few days later or test with alternative test methods. 6. The results obtained with this test should only be interpreted in conjunction with other diagnostic procedures and clinical findings.


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