NCoV Rapid Antigen Covid 19 RT PCR Nucleic Acid Test Kits
Brand Name:Ascentet
Certification:CE FDA TGA
Model Number:OEM
Minimum Order Quantity:10000pcs
Delivery Time:5-20 days
Payment Terms:T/T, Western Union, MoneyGram
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Location:
Shanghai Hongkong China
Address:
Flat 601,6/F, Vastkin House, 84 Jervois Street, Sheung Wan, Hongkong
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Product Details
Rapid Test Kit Antigen Self Test in 15 mins Nasal Swab
This kit uses Real-time RT PCR technology (rRT-PCR) for qualitative
detection of SARS-CoV-2 nucleic acids in human nasopharyngeal or
oropharyngeal swab samples.
Principle of testing
This primer and probe sets are designed for the detection of the
conserved sequences of SARS-CoV-2 (ORF1ab gene, N gene and E gene).
The kit contains an Internal Control that is used to assess
specimen quality. Real-Time PCR technology utilizes polymerase
chain reaction (PCR) for the amplification of specific target
sequences and target specific probes for the detection of the
amplified RNA. The probes are labelled with
fluorescent reporter and quencher dye
MAIN COMPONENTS
• Test Cassette.
• Extraction Tube.
• Extraction Reagent.
• Nasal/Oral Swab.
• Working Holder.
HOW TO PERFORM THE TEST?
1. Remove a Test Device from the foil pouch by tearing at the notch and place it on a level surface.
2. Holding Extraction Reagent bottle vertically, add 10 drops (400μL) to the Extraction tube.
3. Insert the nasopharyngeal (and oropharyngeal) swab sample(s) into the extraction solution, then, mix the swab 10 times.
4. Remove the swabs while pressing against the solution tube in order to extract most of the specimen
5. Place the dropper cap and drop 3 drops (60~70μl) into the sample well.
6. Read the result in 10-15 minutes. Do not read results after more than 20 minutes.
Something you need to learn about:
1) What is the difference between an antigen test and a molecular
test?
An antigen test detects specific proteins on the surface of the
virus. These tests are quicker and less expensive, but have a
higher chance of missing an active infection, according to the FDA.
A molecular (PCR or polymerase chain reaction) test detects the
virus’s genetic material. These tests require a more complex
technology to get results, and it usually takes a day or two to get
those results (depending on lab capacity, results may take up to a
week).
If an antigen test shows a negative result and you have reason to
believe you may have the virus (because of symptoms or exposure),
your doctor may order a molecular test to confirm the results.
2) Which tests are more accurate?
No test is 100% accurate, but the molecular tests are considered to
be more accurate than the antigen tests, according to available
research.
According to the FDA, an antigen test cannot “definitively rule out
active coronavirus infection,” but positive results are “highly
accurate” (negative results may require a confirmation test).
Harvard Medical School wrote in August that the reported rate of
false negatives with molecular testing is as low as 2% and as high
as 37%. A molecular test using a deep nasal swab will have fewer
false negative results than samples from throat swabs or saliva,
they say.
For antigen testing, Harvard noted that the reported rate of false
negative results can be as high as 50%, but that the FDA has
granted emergency use authorization for a more accurate antigen
test.
In general, some of the issues that may affect the accuracy of a
test include ineffective swabbing, contamination or mishandling of
the sample, or problems with the testing chemicals, according to
the FDA.
3) If antigen tests are less accurate, why would we use them?
Experts say the value in the rapid antigen tests is in the
frequency of the testing rather than the accuracy, with repeated
testing recommended. According to Science, getting a false negative
in an antigen test two or three times in a row is rare. This
strategy lines up with the NPR report mentioned above, which would
employ daily testing of those in high-risk areas.
4) Who must be tested for COVID-19?
As per the Minister’s Directive: COVID-19: Long-Term Care Home
Surveillance Testing and Access to Homes (Minister’s Directive)
effective January 8, 2021, all staff, student placement and
volunteers working in long-term care homes must be tested regularly
in accordance with the Minister’s Directive, unless the exception
for individuals who have previously had laboratory confirmed
COVID-19 applies. The testing requirements in the Minister’s
Directive include all individuals working in long-term care homes
who are: • Staff as defined in the Long-Term Care Homes Act, 2007 •
Volunteers as defined in the Long-Term Care Homes Act, 2007 •
Student placement, meaning any person working in the long-term care
home as part of a clinical placement requirement of an educational
program of a college or university, and who does not meet the
definition of “staff” or “volunteer” under the Long-Term Care Homes
Act, 2007. The Minister’s Directive also includes additional
testing and documentation requirements for general visitors,
caregivers and support workers.
NCoV Rapid Antigen Covid 19 RT PCR Nucleic Acid Test Kits
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