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Apr . 12, 2024 17:00 Back to list

What Is the Test Cassette for Hepatitis B?

    The test cassette for hepatitis B is a diagnostic tool used to detect the presence of hepatitis B surface antigen (HBsAg) in a blood sample. HBsAg is a protein found on the surface of the hepatitis B virus and is one of the markers used to diagnose acute or chronic hepatitis B infection.

    The test cassette typically consists of a plastic device with a sample well and a result window. Inside the cassette, there are antibodies that specifically bind to HBsAg.

Here's how the test cassette for hepatitis B is usually used:
A few drops of the patient's blood sample are added to the sample well on the test cassette.


The blood sample flows through the cassette, and if HBsAg is present in the sample, it will bind to the antibodies on the test strip.


The test result is then visible in the result window within a specified period of time, typically around 15-20 minutes. A positive result is indicated by the appearance of a colored line or symbol in the result window, while a negative result shows no line or a faint line.

    Hepatitis B test cassettes are commonly used in healthcare settings, clinics, and laboratories for screening, diagnosis, and monitoring of hepatitis B infection. They offer a rapid and convenient method for detecting HBsAg and are often used alongside other laboratory tests to confirm hepatitis B infection and assess disease status. If the test result is positive, further testing and medical evaluation may be necessary to confirm the diagnosis and determine the appropriate course of treatment.
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