Specifications

1. Free charge of sample
2. Easy operation
3. Low price
4. High sensitivity and high quality
5. OEM package is available

EBV VCA IgA Ab ELISA Kit

Catalog No.:BE501A

 

Enzyme immunoassay for the detection of IgA antibody to the viral capsid antigen (VCA) of Epstein - Barr virus (EBV).

                                                                                

INTRODUCTION

name: elisa reagent kit EBV rapid test

keyword: elisa reagent kit

Epstein-Barr virus, frequently referred to as EBV, is a member of the herpes virus family and one of the most common human viruses.The virus occurs worldwide, and most people become infected with EBV sometime during their lives. In developed countries, 80 - 90% of the adult population has been infected by the virus.

EBV is associated with several diseases state where it may act as the direct agent or as one of several cofactors. These diseases include: Infectious Mononucleosis(IM), Nasopharyngeal carcinoma(NPC), Burkitt's lymphoma(BL), Lymph proliferative disease and lymphoma in the immunosuppressed, X-linked lymph proliferative syndrome, Chronic infectious mononucleosis, Oral leukoplakia in AIDS patients, and Chronic interstitial pneumonitis in AIDS patients. EB virus enters the body through the mouth and establishes a productive infection in the pharyngeal epithelial cells. B-cells become infected and are disseminated throughout the body via the bloodstream. During acute primary infection, IgA, IgM and IgG to VCA as well as IgG to EA(D) and MA are induced. When infection with EBV occurs during adolescence or young adulthood, it causes infectious mononucleosis 35% to 50% of the time. NPC is a genetically restricted tumor; being most common in the Southern Chinese.100% of sera from undifferentiated NPC patients have high-titre antibodies to EB-viral antigens. As in BL, antibodies against VCA are at a 10 times geometric mean titre. IgG and IgA levels against EA (D) and VCA rise as the disease progress and may be used for screening and monitoring purposes. VCA and EA (D) IgA are also uniquely found in the saliva of NPC patients. This is an enzyme linked immunosorbent assay for the detection of EBV-VCA IgAantibodies in Human serum or plasma and is indicated as a screening test for serum or plasma.

 

PRINCIPLE OF THE ASSAY

 

The EBV-VCA IgA Ab ELISA Kit utilizes a detection system where micro plate wells are coated with recombinant antigen corresponding to a highly antigenic segment EBV-VCA. Serum or plasma specimens, controls are added to the wells. During incubation, IgA antibodies specific for EBV-VCA present in the specimen will bind to the recombinant antigen fixed onto the micro plate wells. The wells are washed to remove unbound materials, and anti-human IgA peroxides conjugate will bind to the antigen-antibody complex and excess unbound enzyme conjugates are again removed by washing. The enzyme substrate, tetramethylbenzidine (TMB), is added upon incubation the substrate will be hydrolyzed by the bound enzyme and a blue or blue-green color develops in wells containing EBV-VCA IgA antibodies. The enzyme reaction is stopped by the addition of sulphuricacid. The intensity of color developed is read spectrophotometrically at 450nm(450 nm/630 nm) and is proportional to the amount of antibodies present in the specimen.

 

REAGENTS

 

Materials provided with the kits:

 

Item	Description	96T
1	Micro titer Well	1
2	Negative Control	1ml
3	Positive Control	1ml
4	Sample Dilution	12ml
5	Enzyme Conjugate	12ml
6	Wash Buffer Concentrate (20x)	30ml
7	Substrate Solution A	6ml
8	Substrate Solution B	6ml
9	Stop Solution	6ml
10	Plastic Bag	1
11	Seal Paper	3
12	Manual	1 copy

PRECAUTION FOR USERS

 

Because no test method can offer complete assurance of the absence of infectious agents, this product should be handled with caution.

1. Avoid contact of reagents with the eyes and skin. If that occurs, wash thoroughly with water.
2. Wear gloves.
3. Do not pipette by mouth.
4. Do not smoke.
5. Dispose all used materials in a suitable biohazard us waste container. Remains of samples, controls, aspirated reagents and pipette tips should be collected in a container for this purpose and autoclaved 1-hour at 121°C or treated with 10% sodium hypochlorite (final concentration) for 30 min before disposal. (Remains containing acid must be neutralized prior addition of sodium hypochlorite).
6. Adjust washer to the plate used (flat bottom) in order to wash properly.
7. Do not mix reagents from different lots.
8. Do not use reagents after expiration date.
9. Extreme care should be taken to avoid microbial contamination and cross contamination of reagents.
10. Use a new pipette tip for each specimen and each reagent.
11. Soaps and/or oxidizing agents remaining in containers used for the substrate-TMB solution can interfere with the reaction.

 

 

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