| Customization: | Available |
|---|---|
| Type: | IVD Reagent |
| Certificates: | ISO13485/CE/Cfda |
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[Intended Use]
Monkeypox Virus Nucleic Acid Detection Kit (Fluorescence PCR) is used for the detection of nucleic acid from monkeypox virus in serum and human pustular or vesicular rash specimens from individuals suspected of monkeypox virus infectious. By specifically detecting the nucleic acid fragments of monkeypox virus, monkeypox virus can be quickly identified, which is suitable for rapid diagnosis of related diseases caused by monkeypox virus infection.
[Packaging Specification]
25 test/box, 50 tests/box
| NO. | Components | 25tests/kit | 50tests/kit | Main Components |
| 1 | MPV-PCR detection Mix | 950μL/tube, 1tube | 950μL/tube, 2 tube | Primers, probes, dNTPs, PCR buffer etc. |
| 2 | MPV-Enzyme mixture | 50μL/tube,1tube | 100μL/tube, 1tube | H-Taq, UNG |
| 3 | MPV-Positive control product | 500μL/tube,1tube | 500μL/tube,1tube | Cloning Plasmids for Target Gene Fragments |
| 4 | MPV-Negative control product | 500μL/tube,1tube | 500μL/tube,1tube | Sterilized saline |
Note:
1.Kits with different batch numbers are not interchangeable.
2.All biological samples in the kit have been extinguished.
[Sample Requirement]
1.Sample type
Serum and human pustular or vesicular rash specimens.
2.Sample collection
Serum: Use a sterile syringe to draw 2ml of the subjects venous blood, inject it into a sterile collection tube, leave it at room temperature for no more than 4 hours, wait for the sample to separate out serum, or centrifuge at 4000 rpm for 5 minutes at room temperature to separate the serum, and transfer it to a 1.5ml sterile spare centrifuge tube Sample collection of vesicles and pustules: Select fresh vesicles or pustules on the skin, disinfect them with iodophor, and then wipe the iodophor with 70% alcohol. After the alcohol is completely evaporated, use a sterile needle to puncture and squeeze out the tissue fluid, dip the cotton swab into the liquid, quickly put the cotton swab into the 3-5 mL sampling tube containing the preservation solution, break the cotton swab near the top, tighten the tube cap, and seal it for inspection.
3. Sample Storage and Shipping
The collected specimens should be sent for testing immediately. Specimens should be tested within 24 hours if stored at 2ºC to 8ºC. Specimens that cannot be tested within 24 hours should be stored at -70 C or below (in the absence of-70ºC storage conditions, specimens can be stored at -25ºC to -15ºC for 10 days). Multiple freeze/thaw cycles should be avoided. Specimens should be transported in a sealed frozen pitcher with ice or in a sealed foam box with ice.
[Test Method]
Please read the instructions of the test kit before use.
1.Reagent preparation (in the reagent preparation area)
1.1 Take out the components in the box and place them at room temperature. After the temperature is equilibrated to room temperature, mix well and centrifuge briefly for later use. According to the number of samples to be tested, negative controls, and positive controls, take the corresponding amount of components in proportion (38μL/person of MPV-PCR reaction solution + 2μL/person of MPV-enzyme mixture), and mix them thoroughly to form a PCR mixture. Liquid-1, which was used after instant centrifugation.
1.2 Transfer the above-prepared reagents to the sample processing area for use.
2.Sample processing (in the sample processing area)
2.1 Sample extraction:
Nucleic acid extraction kit should be used for sample extraction.
Negative control, positive control and samples to be tested are processed simultaneously.
2.2 Add sample
Add 10μL of extracted DNA to PCR tubes in the following order: MPV negative control, MPV positive control, and sample to be tested. Add 40μL of MPV master mix to each well. Each well was capped. centrifuged at 2000 rpm for 10 seconds, and placed on a fluorescent PCR machine.
3.PCR amplification (in the amplification and analysis area)
Please refer to the instruction manual of each instrument for settings.
3.1 Put the PCR reaction tubes that have finished adding samples into the fluorescence PCR instrument, set test holes according to the corresponding sequence of adding samples, set test holes for positive quality control products, negative quality control products and unknown samples, and set the sample name.
3.2 Total reaction system: 25μL
3.3 Fluorescence detection channel selection:1) Select the FAM channel (Reporter: FAM, Quencher: none) to detect monkeypox virus target genes: 2) Select the HEX or VIC channel (Reporter: HEX/VIC, Quencher: none); 3)Set the reference fluorescence (Passive Reference) to none ; Set Sample Volume to 50.
3.4 Cyclic parameter setting:
Note: Use ABI 7500 Rea-time fluorescence quantitative PCR instrument, and please choose "None" at passive reference and quencher.
4.Result analysis
After the reaction, the results will be automatically saved, and the Baseline and Threshold of each detection channel will be adjusted according to the analyzed images. Click "Analysis" for analysis to make all parameters meet the requirements of quality control, and then check the detection results of each unknown sample.
5.Quality control
Negative control products: FAM curve has no Ct value or Ct>40; and monkeypox virus internal standard detection (HEX/VIC) has no Ct value or Ct>40.
Positive control products: FAM curve CS35; and monkeypox virus internal standard detection (HEX/VIC) is positive, Ct≤35.
lf the above two items are met at the same time in the same inspection, otherwise, the second inspection shall be deemed invalid and re-inspection shall be required.
[Positive reference value]
Through the study of reference values, it was determined that the reference value of Ct of the target gene detected by this kit was 40, and the reference value of Ct of the internal standard was 40.
[Interpretation of test results]
1.FAM detection Ct value ≤ 40, and the internal standard detection is positive (Ct value ≤ 40), reported as monkeypox virus positive;
2.No Ct value or Ct value > 40 in FAM detection, and the internal standard channel detection is positive (Ct value ≤ 40), and the report is negative for monkeypox virus;
3.lf there is no Ct value or Ct value > 40 in the internal standard test, the test result of the sample is invalid. The cause should be found and eliminated, and the sample should be re-sampled and tested again (if the test result of the repeated test is still invalid, please contact the company).
4.For positive samples, the internal standard test result is not required; for negative samples, the internal standard test should be positive. lf the internal standard test is negative, the test result of the sample is invalid. Samples are re-sampled and repeated experiments are carried out (if the test results of repeated experiments are still invalid, please contact our company).
[Positive reference value]
Through the study of reference values, it was determined that the reference value of Ct of the target gene detected by this kit was 40, and the reference value of Ct of the internal standard was 40.
[Interpretation of test results]
1.FAM detection Ct value ≤ 40, and the internal standard detection is positive (Ct value ≤ 40), reported as monkeypox virus positive;
2.No Ct value or Ct value > 40 in FAM detection, and the internal standard channel detection is positive (Ct value ≤ 40), and the report is negative for monkeypox virus;
3.lf there is no Ct value or Ct value > 40 in the internal standard test, the test result of the sample is invalid. The cause should be found and eliminated, and the sample should be re-sampled and tested again (if the test result of the repeated test is still invalid, please contact the company).
4.For positive samples, the internal standard test result is not required; for negative samples, the internal standard test should be positive. lf the internal standard test is negative, the test result of the sample is invalid. Samples are re-sampled and repeated experiments are carried out (if the test results of repeated experiments are still invalid, please contact our company).
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