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HbSAg-Rapid Test Kit for detection of Hepatitis B surface Antigen (HbSAg) in Plasma/Serum
The sensor is able to detect at least 10 ng/mL of hepatitis B surface antigen.
An estimated 90%-95% of healthy adults aged 40 years and younger achieve a protective antibody titer (defined as anti-hepatitis B surface antigen concentrations of 10 mIU/mL or greater) after receiving the three-dose series (MMWR2011;60[RR07]:l-45).
We've reviewed all the literature that looks at surface antigens and results suggest that response to the two (antigens) were most indicative of protection against clinical disease.
Since shortly after its discovery as the "Australia antigen" (1), hepatitis B surface antigen (HBsAg) has been the principal target for laboratory testing to identify active infection by HBV.
A collection of tumors induced by inoculation of specific strains of MDV, ALV, and REV, alone or in combination, were tested for quantification of MDV DNA by real-time polymerase chain reaction, expression of the MDV oncogene Meq, expression of several cell markers associated with transformation (CD30, Marek's disease-associated surface antigen, and p53), and level of DNA methylation in the tumor cells.
Mutations that occur within the immunodominant epitopes of hepatitis B surface antigen (HBsAg) allow mutant virus to propagate in the presence of a neutralizing immune response, while wild-type virus is reduced to undetectable levels.
The researchers also tested blood from 18 patients and 54 controls for hepatitis B surface antigen, an indicator of hepatitis B infection.