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CE Lateral Flow Immunochromatographic Assays Clostridium difficile Toxin A+ Toxin B Combo Rapid Test Cassette

Product Details:

Place of Origin:CHINA
Brand Name:AllTest
Model Number:ICDT-625

Payment & Shipping Terms:

Minimum Order Quantity:500
Packaging Details:10 tests per kit
Supply Ability:100 Million a year
Detailed Product Description
Format: Cassette Specimen: Feces
Kit Size: 10T/Kit Cut-Off: See Insert



CE Lateral Flow Immunochromatographic Assays Clostridium difficile Toxin A+ Toxin B Combo Rapid Test Cassette


An IVD rapid test for the detection of Clostridium difficile Toxin A and Toxin B antigens in human feces samples For professional use only.




The Clostridium difficile Toxin A+ Toxin B Combo Rapid Test Cassette (Feces) is a rapid chromatographic immunoassay for the qualitative detection of Clostridium difficile Toxin A and Toxin B antigens in the human feces specimen.




Clostridium difficile is an anaerobic bacteria acting as an opportunistic pathogen: it grows in the intestine when the normal flora has been altered by treatment with antibiotics.1,2,3 Toxinogenic strains of Clostridium difficile cause infections from mild-diarrhea to pseudomembranous colitis, potentially leading to death.4

Disease is caused by two toxins produced by toxinogenic strains of C.difficile: Toxin A (tissue-damaging enterotoxin) and Toxin B (cytotoxin). Some strains produce both toxins A and B, some others produce Toxin B only. The potential role of a third (binary) toxin in pathogenicity is still debated.4


How to use?


Allow the test, specimen, stool collection buffer and/or control to equilibrate to room temperature (15-30°C) prior to testing.



  1. To collect fecal specimens:Collect sufficient quantity of feces (1-2mL or 1-2g) in a clean, dry specimen collection container to obtain enough antigens (if present).Best results will be obtained if the assay is performed within 6 hours after collection. Specimen collected may be stored for 3 days at 2-8°C if not tested within 6 hours. For long term storage, specimens should be kept below -20°C.
  2. To process fecal specimens:
  • For Solid Specimens:Unscrew the cap of the specimen collection tube, then randomly stab the specimen collection applicator into the fecal specimen at least 3 different sites to collect approximately 50 mg of feces (equivalent to 1/4 of a pea). Do not scoop the fecal specimen.
  • For Liquid Specimens:Hold the dropper vertically, aspirate fecal specimens, and then transfer 2 drops of the liquid specimen (approximately 80 µL) into the specimen collection tube containing the extraction buffer.

         Tighten the cap onto the specimen collection tube, then shake the specimen collection tube vigorously to mix the specimen and the extraction buffer. Leave the collection tube for reaction for 2 minutes.


     3. Bring the pouch to room temperature before opening it. Remove the test cassette from the foil pouch and use it as soon as possible. Best results will be obtained if the test is performed immediately after opening the foil pouch.


     4. Hold the specimen collection tube upright and unscrew the tip of the specimen collection tube. Invert the specimen collection tube and transfer 3 full drops of the extracted specimen (approximately 120mL) to the specimen well (S) of the test cassette, then start the timer. Avoid trapping air bubbles in the specimen well (S). See illustration below.


    5. Read the results at 10 minutes after dispensing the specimen. Do not read results after 20 minutes.


    6. Note: If the specimen does not migrate (presence of particles), centrifuge the diluted sample contained in the extraction buffer vial. Collect 120µL of supernatant, dispense into the specimen well (S). Start the timer and continue from step 5 onwards in the above instructions for use.



CE Lateral Flow Immunochromatographic Assays Clostridium difficile Toxin A+ Toxin B Combo Rapid Test Cassette





The results are to be interpreted as follows:


POSITIVE:*Two distinct colored lines appear. One colored line should be in the control line region (C) and another apparent colored line should be in the test line region (T).


*NOTE: The intensity of the color in the test line region (T) will vary depending on the concentration of Clostridium difficile antigen present in the specimen. Therefore, any shade of color in the test line region (T) should be considered positive.


NEGATIVE: One colored line appears in the control line region (C). No line appears in the test line region (T).


INVALID: Control line (C) fails to appear. Insufficient specimen volume or incorrect procedural techniques are the most likely reasons for control line failure. Review the procedure and repeat the test with a new test cassette. If the problem persists, discontinue using the test kit immediately and contact your local distributor.


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Hangzhou AllTest Biotech CO.,LTD



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