Supply Ability | 10000 Kit/Kit per Day |
Delivery Time | To be negotiated |
Packaging Details | Kit |
Product name | COVID-19 Neutralizing Ag Rapid Test Kit Sample Buffer |
Composition | Detection card, sample buffer |
Storage conditions | 2℃~30℃ |
term of validity | 12 months |
Sample requirements | Serum, plasma or whole blood |
Brand Name | ZOSBIO |
Model Number | 2019-NCoV Neutralizing Antibody |
Certification | CE BfArm |
Place of Origin | Henan,China |
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Product Specification
Supply Ability | 10000 Kit/Kit per Day | Delivery Time | To be negotiated |
Packaging Details | Kit | Product name | COVID-19 Neutralizing Ag Rapid Test Kit Sample Buffer |
Composition | Detection card, sample buffer | Storage conditions | 2℃~30℃ |
term of validity | 12 months | Sample requirements | Serum, plasma or whole blood |
Brand Name | ZOSBIO | Model Number | 2019-NCoV Neutralizing Antibody |
Certification | CE BfArm | Place of Origin | Henan,China |
High Light | Coronavirus Neutralizing Antibody Test Sample Buffer ,phosphoric acid Neutralizing Antibody Test ,Serum COVID-19 Neutralizing Antibody Test |
This kit is used for 2019 neutralization qualitative testing-nCoV.
Antibodies in human serum, plasma and whole blood samples.
2019-nCOV is a new type of nCOV.
Can cause viral pneumonia, the main clinical symptoms are fever, tiredness and dry cough.
Some patients have stuffy nose, runny nose, sore throat, diarrhea and other symptoms.
Severe cases usually develop dyspnea and / or hypoxemia one week later. Severe cases rapidly develop into acute respiratory distress syndrome, septic shock, difficult to correct metabolic acidosis and coagulation dysfunction.
2019-nCoV contains some structural proteins, such as spike protein, envelope protein and membrane protein.
(M) and riboside (N).
Among them, the spike protein contains the receptor binding domain (RBD) related to the identification of angiotensin converting enzyme 2 (ACE2) on the cell surface.
The RBD of spie of 2019-nCoV has a strong interaction with human ACE2 receptor, which causes endocytosis and virus replication in lung host cells.
2019-nCoV infection or vaccination can cause an immune response that produces antibodies in the bloodstream.
Secreted antibodies can prevent virus infection.
They exist in the human circulation for months or years after infection and bind quickly and firmly to the pathogen to prevent the virus from replicating.
These antibodies are called neutralizing antibodies.
Neutralizing antibody tests can determine whether a person has the ability to prevent viral infection.
The kit consists of a test card and a sample package.
Test card: composed of aluminum foil packaging, desiccant, test strip and plastic card.
Among them, the test paper is composed of absorbent paper, nitrocellulose film, sample pad, bonding pad and rubber plate.
Nitrocellulose membrane T line (test line) is ACE2 protein, C line (QC line) is Ab, R line (baseline), benchmark Ab, labeling 2019-nCoVAb is included in the binding pad coating.
Sample buffers: phosphoric acid, sodium nitride, etc.
It is kept at 2 ℃ ~ 30 ℃ and the period of validity is set at 12 months.
The opening time of aluminum foil package is 1 hour.
Batch number: see the label for details.
Closing date: see the label for details
1.A sample of serum, plasma, or whole blood collected.
2.The precipitates and suspended solids in the samples may affect the experimental results, so they need to be removed by centrifugation.
3.Anticoagulant therapy: heparin, EDTA and sodium citrate are not important.
4.Blood collection should be carried out by professional medical personnel.
Serum / plasma tests are recommended.
Whole blood samples from patients can also be used for rapid testing in emergency or special situations.
5.Serum and plasma samples should not be stored for more than 8 hours at room temperature.
They're right there.
It can be stored at 2-8 degrees Celsius for 5 days and below-20 degrees Celsius for 6 months, but avoid repeated freeze-thaw cycles.
Whole blood samples cannot be frozen and must be stored at 2 ℃ to 8 ℃ for 48 hours.
Please read the instructions carefully before testing.
Restore all reagents to room temperature at room temperature.
1.Remove the test card from the test package for use within 1 hour.
2.Add a sample of 20 μ L (serum, plasma or whole blood) to the loading hole of the test card, then add 2 drops (about 60 μ L) of the sample buffer to start the timing.
3.The results were read after the reaction at room temperature for 10 ~ 15 minutes.
The result is invalid after 20 minutes.
Figure used to judge the result of test card:
1. Invalid result: the quality management line (c) does not respond and needs to be retested.
2. Negative result: red band is displayed on the test line (t line), the color above the baseline (r line), the color of the quality control line (C line), and the color of the baseline (r line).
With or without red (R) on the reference line, and the test result is less than 3 (R) on the reference line.
1. The kit is only used for qualitative detection and invitro assisted diagnosis.
2. Confirm that appropriate equivalent samples are added for the test. Too large or too small sample size may produce inaccurate results.
3. Hemolytic, lipid blood, jaundice or contaminated samples may affect the test results, so these samples should be avoided.
4. The test results of this reagent are only for clinical reference and should not be used as the only basis for clinical diagnosis and treatment. The final diagnosis of the disease must be made after a comprehensive evaluation of all clinical and examination results.
1. Analysis of specificity
1.1 Cross reaction: evaluate the interference of the following type of antibody to the reagent and show no cross reaction.
SN | Item | Cross reaction | SN | Item | Cross reaction |
1 | Endemic human coronavirus OC43 | No | 10 | Enterovirus | No |
2 | Endemic human coronavirus HKUI | No | 11 | EB virus | No |
3 | Endemic human coronavirus NL63 | No | 12 | Measles virus | No |
4 | Endemic human coronavirus 229E | No | 13 | Human cytomegalovirus | No |
5 | Influenza A virus | No | 14 | Rotavirus | No |
6 | Influenza B virus | No | 15 | Norovirus | No |
7 | Respiratory syncytial virus | No | 16 | Mumps virus | No |
8 | Adenovirus | No | 17 | Varicella-zoster virus | No |
9 | Rhinovirus | No | 18 | Mycoplasma pneumoniae | No |
1.2Interfering substances: in the 2019 ncov and ab test procedures, the following concentrations were added to the samples to assess potential interference. The results show that various interfering substances will not interfere with the detection results of the reagent.
Interfering substances | Concentration | Interfering substances | Concentration |
Bilirubin | ≤50mg/dL | Triglycerides | ≤15mmol/mL |
Hemoglobin | ≤5g/L | Cholesterol L | ≤500mg/d |
Rheumatoid factor | ≤500IU/mL | Human total IgG | ≤14mg/mL |
Ribavirin | 0.4mg/mL | Fluticasone | 0.5mg/mL |
Oxymetazoline | 10mg/mL | Dexamethasone | 5 mg/mL |
Histamine hydrochloride | 10mg/mL | Triamcinolone acetonide | 5mg /mL |
Tobramycin | 1mg/mL | Levofloxacin | 0.2 mg/mL |
Oseltamivir | 1mg/mL | Azithromycin | 0.1 mg/mL |
Zanamivir | 1mg/mL | Ceftriaxone | 0.4 mg/mL |
Arbidol | 0.5mg/mL | Meropenem | 0.2 mg/mL |
2. Clinical trial: when using commercial 2019 ncov IgG AB test reagent (gold colloid method) as control reagent, 120 positive samples and 300 negative samples were selected for the trial. The results are summarized as follows.
2019-nCoV IgG Ab detection reagent (colloidal goldmethod) |
Sum | |||
Positive | Negative | |||
| Positive | 115 | 5 | 120 |
Negtive | 5 | 295 | 300 | |
Sum | 120 | 300 | 420 | |
Sensitivity | 95.83%, (95%CI: 90.62%~98.21%) | |||
Specificity | 98.33%, (95%CI: 96.16%~99.29%) |
1. This product is only used for invitro diagnosis.
2. This product is disposable and cannot be reused.
3. Please pay attention to the experimental operation in strict accordance with the instructions of the reagent before operation.
4. Avoid experiments under harsh environmental conditions (including 84 disinfectant, sodium hypochlorite, acid, alkali, acetaldehyde and other high concentration corrosive gases and dust). The disinfection of the laboratory should be carried out after the experiment.
5. All samples and used reagents will be regarded as potentially infectious substances and treated in accordance with local regulations.
6. The reagent shall be used within the validity period indicated on the packing box. The test card should be used as soon as possible after being removed from the aluminum foil bag to prevent moisture.
| Do not re-use |
| Store at 2℃~30℃ |
| Consult instructions for use | | In vitro diagnostic medical device |
| Batch code | | Use-by date |
![]() | Keep dry | | Keep away from sunlight |
| Authorized representative in the European Community | | Manufacturer |
ZHONGXIU SCIENCE AND TECHNOLOGY CO.,LTD
Dingluan industrial zone ,Changyuan City,453400,P.R.CHINA
Tel:+86-371-55016575
Email:zosbio@zosbio.com
Web:www.zosbio.com
SUNGO Europe B.V.
Olympisch Stadion 24, 1076DE Amsterdam, Netherlands
Company Details
Business Type:
Manufacturer,Exporter,Seller
Year Established:
2016
Employee Number:
500~1000
Ecer Certification:
Active Member
Zhongxiu Science And Technology Co.,Ltd., founded in 2016, is located in Dingluan Industrial Zone, Changyuan City, Henan Province. The company covers an area of about 100 acres and the initial investment is about 200 million yuan. The company has a scientific and complete management system, a purifi... Zhongxiu Science And Technology Co.,Ltd., founded in 2016, is located in Dingluan Industrial Zone, Changyuan City, Henan Province. The company covers an area of about 100 acres and the initial investment is about 200 million yuan. The company has a scientific and complete management system, a purifi...
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