Wenzhou Astock Biotechnology Co., Ltd.

China Manufacturer with main products: Disposable Sampling Tube, Nucleic Acid Kit

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COVID-19 Antigen Rapid Test Cassette(Colloidal Gold)

FOB Price: 2.30 - 3.00 USD/Piece
Payment Terms: T/T
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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Zhejiang in China

Specifications

COVID-19 Antigen Rapid Test
Cassette(Colloidal Gold)
for professional use only.
for in vitro diagnostic use only.
[INTENDED USE]
the COVID-19 Antigen Rapid Test Cassette is a lateral flow immunoassay
Intended for the qualitative detection SARS-CoV-2 nucleocapsid antigens in
Nasopharyngeal swab and oropharyngeal swab from individuals who are
Suspected of COVID-19 by their healthcare provider.
Results are for the identification of SARS-CoV-2 nucleocapsid antigen.
Antigen is generally detectable in nasopharyngeal swab and oropharyngeal
Swab during the acute phase of infection. Positive results indicate the
Presence of viral antigens, but clinical correlation with patient history and
Other diagnostic information is necessary to determine infection status.
Positive results do not rule out bacterial infection or co-infection with other
Viruses. the agent detected may not be the definite cause ofdisease.
Negative results do not rule out SARS-CoV-2 infection and should not be
Used as the sole basis for treatment or patient management decisions,
Including infection control decisions. Negative results should be considered
in the context of a patient's recent exposures, history and the presence of
Clinical signs and symptoms consistent with COVID-19, and confirmed with
A molecular assay, if necessary for patient management.
the COVID-19 Antigen Rapid Test Cassette is intended for use by trained
Clinical laboratory personnel specifically instructed and trained in vitro
Diagnostic procedures.
[SUMMARY]
the novel coronaviruses (SARS-CoV-2) belong to the β genus. COVID-19
Is an acute respiratory infectious disease. People are generally susceptible.
Currently, the patients infected by the novel coronavirus are the main source
of infection; asymptomatic infected people can also be an infectious source.
Based on the current epidemiological investigation, the incubation period is
1 to 14 days, mostly 3 to 7 days. the main manifestations include fever,
Fatigue and dry cough. Nasal congestion, runny nose, sore throat, myalgia
and diarrhea are found in a few cases.
[PRINCIPLE]
COVID-19 Antigen Rapid Test Cassette is an immunoassay based on the
Principle of the double antibody-sandwich technique. the COVID-19
Antigen Rapid Test Cassette is designed to detect nucleocapsid antigen
from the SARS-CoV-2 in nasopharyngeal swab and oropharyngeal swab,
from patients who are suspected of COVID-19 by their healthcare provider.
during testing, a specimen migrates upward by capillary action. the
SARS-CoV-2 antigens if present in the specimen will bind to the antibody
Conjugates. the immune complex is then captured on the membrane by the
Pre-coated SARS-Co-2 nuclenocapsid protein monoclonal antibody, and a
Visible colored line will show up in the test line region indicating a positive
Result. in the absence of SARS-CoV-2 antigens, a colored line will not form
in the test line region indicating a negative result.
to serve as a procedural control, a colored line will always appear at the
Control line region, indicating that proper volume of specimen has been
Added and membrane wicking has occurred.
[WARNINGS and PRECAUTIONS]
for in vitro diagnostic use only.
for healthcare professionals and professionals at point of caresites.
Do not use this product as the sole basis to diagnose or exclude
SARS-CoV-2 infection or to inform infection status of COVID-19.
Do not use after the expiration date.
Please read all the information in this leaflet before performing the test.
the test cassette should remain in the sealed pouch until use.
All specimens should be considered potentially hazardous and handled in
the same manner as an infectious agent.
the used test cassette should be discarded according to federal, state
and local regulations.
[COMPOSITION]
the test cassette contains a membrane strip coated with anti-SARS-CoV-2
Nuclenocapsid protein monoclonal antibody on the T test line, and a dye pad
Which contains colloidal gold coupled with SARS-CoV-2 nuclenocapsid
Protein monoclonal antibody.
the quantity of tests was printed on thelabeling.
Materials Provided
Test Cassette
Extraction Tube
Sterilized Swab
Dropper Tip
Extraction Reagent
Work Station
Package Insert
Materials Required but Not Provided
Timer
[STORAGE and STABILITY]
Store as packaged in the sealed pouch at temperature (4-30℃ or 40-
86℉). the kit is stable within the expiration date printed on the labeling.
Once open the pouch, the test should be used within one hour. Prolonged
Exposure to hot and humid environment will cause product deterioration.
the LOT and the expiration date were printed on the labeling.
[SPECIMEN]
Specimens obtained early during symptom onset will contain the highest
Viral titers; specimens obtained after five days of symptoms are more likely
to produce negative results when compared to an RT-PCR assay.
Inadequate specimen collection, improper specimen handling and/or
Transport may yield a falsely negative result; therefore, training in specimen
Collection is highly recommended due to the importance of specimen quality
for generating accurate test results.
Sample Collection
Nasopharyngeal Swab Sample
Insert minitip swab with a flexible shaft (wire or plastic) through the nostril
Parallel to the palate (not upwards) until resistance is encountered or the
Distance is equivalent to that from the ear to the nostril of the patient,
Indicating contact with the nasopharynx. Swab should reach depth equal to
Distance from nostrils to outer opening of the ear. Gently rub and roll the
Swab. Leave swab in place for several seconds to absorb secretions. Slowly
Remove swab while rotating it. Specimens can be collected from both sides
Using the same swab, but it is not necessary to collect specimens from both
Sides if the minitip is saturated with fluid from the first collection. If a deviated
Septum or blockage creates difficulty in obtaining the specimen from one
Nostril, use the same swab to obtain the specimen from the othernostril.
Oropharyngeal Swab Sample
Insert swab into the posterior pharynx and tonsillar areas. Rub swab over
both tonsillar pillars and posterior oropharynx and avoid touching the
Tongue, teeth, and gums.
Sample Preparation
after Swab specimens were collected, swab can be stored in extraction
Reagent provided with the kit. Also can be stored by immersing the swab
Head in a tube containing 2 to 3 mL of virus preservation solution (or isotonic
Saline solution, tissue culture solution, or phosphate buffer).
Sample Transport and Storage
Freshly collected specimens should be processed as soon as possible, but
No later than one hour after specimen collection. Specimen collected may be
Stored at 2-8℃ for no more than 24 hours; Store at -70 ℃ for a long time, but
Avoid repeated freeze-thaw cycles.
[SPECIMEN PREPARATION]
1. Unscrew the lid of an extraction reagent. Add all of the specimen
Extraction reagent into an extraction tube, and put it on the work station.
2. Insert the swab sample into the extraction tube which contains extraction
Reagent. Roll the swab at least 5 times while pressing the head against the
Bottom and side of the extraction tube. Leave the swab in the extraction
Tube for one minute.
3. Remove the swab while squeezing the sides of the tube to extract the
Liquid from the swab. the extracted solution will be used as test specimen.
4. Insert a dropper tip into the extraction tube tightly.
(the picture is for references only, please refer to the material object.)
[TEST PROCEDURE]
Allow the test device and specimens to equilibrate to temperature (15-30℃
or 59-86℉) prior to testing.
1. Remove the test cassette from the sealed pouch
2. Reverse the specimen extraction tube, holding the specimen extraction
Tube upright, transfer 3 drops (approximately 100μL) to the specimen
Well(S) of the test cassette, then start the timer. See illustrationbelow.
3. Wait for colored lines to appear. Interpret the test results at 15 minutes.
Do not read results after 20 minutes.
Positive:*Two lines appear. One colored line should be in the control
Region (C), and another apparent colored line adjacent should be in the test
Region (T). Positive for the presence of SARS-CoV-2 nucleocapsid antigen.
Positive results indicate the presence of viral antigens but clinical correlation
with patient history and other diagnostic information is necessary to
Determine infection status Positive results do not rule out bacterial infection
or co-infection with other viruses. The agent detected may not be the definite
Cause of disease.
Negative: One colored line appears in the control region (C). No line
Appears in the test region (T). Negative results are presumptive. Negative
Test results do not preclude infection and should not be used as the sole
Basis for treatment or other patient management decisions, including
Infection control decisions, particularly in the presence of clinical signs and
Symptoms consistent with COVID-19, or in those who have been in contact
with the virus. It is recommended that these results be confirmed by a
Molecular testing method, if necessary, for patient management.
Invalid: Control line 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 using a new test cassette.
If the problem persists, discontinue using the lot immediately and contact
Your local distributor
[QUALITY CONTROL]
A procedural control is included in the test. A colored line appearing in the
Control region (C) is considered an internal procedural control. It confirms
Sufficient specimen volume, adequate membrane wicking and correct
Procedural technique.
Control standards are not supplied with this kit. however, it is recommended
that positive and negative controls be tested as good laboratory practice to
Confirm the test procedure and to verify proper test performance.
[LIMITATIONS]
the COVID-19 Antigen Rapid Test Cassette is limited to provide a
Qualitative detection. the intensity of the test line does not necessarily
Correlate to the concentration of the antigen of the specimens.
Negative results do not preclude SARS-CoV-2 infection and should not
Be used as the sole basis for patient management decisions.
A physician must interpret the results in conjunction with the patient's
History, physical findings, and other diagnostic procedures.
A negative result can occur if the quantity of antigens for the SARS-
CoV-2 virus present in the specimen is below the detection threshold of
the assay, or the virus has undergone minor amino acid
Mutation(s) in the target epitope region recognized by the monoclonal
Antibodies utilized in the test.
Proper specimen collection is critical, and failure to follow the procedure
May give inaccurate results. Improper specimen collection, improper
Specimen storage or repeated freezing and thawing of specimens can
Lead to inaccurate results.
[PERFORMANCE CHARACTERISTICS]
Limit of Detection (Analytical sensitivity)
the Limit of Detection (LoD) of the COVID-19 Antigen Rapid Test Cassette
Is 5102.67 TCID50/mL (cultured SARS-CoV-2 virus).
Cross Reactivity (Analytical specificity)
Cross reactivity with following Virus or Bacteria culture with certain
Concentration has been studied. the results were found negative when
Tested with the COVID-19 Antigen Rapid Test:
Clinical Performance
to estimate the clinical performance between the COVID-19 Antigen Rapid
Test Cassette and the PCR comparator, 175 nasopharyngeal swab were
Collected from patients who were suspected of COVID-19.
Summary data of COVID-19 Antigen Rapid Test by nasopharyngeal swab
as below:
Positive Percent Agreement (PPA)=88.37% (38/43), (95%CI: 71.42%
90.83%)
Negative Percent Agreement (NPA) =100% (132/132), (95%CI: 97.17%
100%)

COVID19 Antigen Rapid Test CassetteColloidal Gold

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