Home > Products > ELISA test > blood grouping testing ELISA test kit Hepatitis B virus HBcAb
blood grouping testing ELISA test kit Hepatitis B virus HBcAb
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Product Details
Type: | Pathological Analysis Equipments | Brand Name: | BIONEOVAN | Place of Origin: | Beijing, China |
Model Number: | in vitro diagnostic |
Product Description
Certificate |
GMP |
SFDA |
ISO13485 |
ISO9001:2008 |
HBcAb ELISA Kit
Catalog No.:BE105A
NAME AND INTENDED USE |
Bioneovan HBcAb ELISA Kit is an in vitro enzyme linked immunoassay supplied for the detection of HBcAb in human serum or plasma. It is intended for use in clinical laboratories for diagnosis and management of patients related to infection with hepatitis B virus.
SUMMARY |
Hepatitis B is an infectious illness caused by hepatitis B virus (HBV) which is an envelope, double-stranded DNA virus belonging to the Hepadnaviridae family and is recognized as the major cause of blood transmitted hepatitis together with hepatitis C virus (HCV). HBV is excreted in body fluids such as semen, saliva, blood and urine in persons with acute or chronic infection. The hepatitis B virus is known as a blood-borne virus because it is transmitted from one person to another via blood or fluids contaminated with blood. Transmission of hepatitis B virus results from exposure to infectious blood or body fluids.When HBV invades the body it causes liver damage through induction of auto-immunity. Three immunity has been found, surface antigen (HBsAg)/HBsAb, core antigen (HBcAg)/HBcAb and antigen (HBeAg)/HBeAb. As it is difficult to detect the core antigen in the serum, the other five are been done to diagnosing HBV. Hepatitis B “core” antigen (HBcAg) is a major component of the viral structure. Antibodies to HBcAg (anti-HBc total antibody, and IgM) appear shortly after the appearance of HBsAg and persist for life both in persons who have recovered from a hepatitis B infection and in those who develop HBsAg-carrier status but in rare cases, a HBV infection can also run its course without the appearance of immunologically detectable anti-HBc (usually in immunosuppressed patients). Anti-HBc is a marker of acute, chronic or resolved HBV infection and screening for anti-HBc provides with information on the prevalence of the disease in different groups. In the absence of other hepatitis B markers (HBsAg-negative persons), anti-HBc may be the only indication of an existing hepatitis B viral infection.
PRINCIPLES OF THE ASSAY |
This HBcAb ELISA Kit is based on solid phase, one step incubation competitive principle method. Anti-HBc if present in the sample, compete with monoclonal anti-HBc conjugated to horseradish peroxidase (HRP-Conjugate) for a fixed amount of purified HBcAg pre-coated in the wells. When no anti-HBc presents in the sample, the HRP-conjugated anti-HBc will be bound with the antigens inside the wells and any unbound HRP-Conjugate is removed during 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 specific antibodies to HBcAg. The enzyme reaction is stopped by the addition of sulphuric acid. 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. No or low color developing suggests for presence of antibodies to HBcAg in the sample.
SAMPLE COLLECTION AND PRESERVATION |
Blood serum samples are routinely prepared form vein. Blood plasma samples are routinely prepared with routine amount of anticoagulant such as heparin or sodium citrate. Sample can be stored at 4°C if tested within two days. Specimens not required within 3 days should be stored at -20°C. Avoid hemolysis and repetitive freeze and thaw of samples. Samples with cloud or precipitation should be centrifugated or filtered before test. Prevent serum from bacterium contamination during collecting and storing.
Contact Us
- Bioneovan Co., Ltd.
- Contact nameSteven Tan
- Phone86-010-69255832
- AddressNo. 18, Keyuan Road, Industry Development Zone
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