PRO-LAB - At-Home Blood Typing Test Kit

Here is the professional English translation for the Pro-Lab At-Home Blood Typing Test Kit. I have used standard medical terminology for hematology (blood science) to ensure the explanation of antigens and antibodies is clear and accurate.

PRO-LAB® At-Home Blood Typing Test Kit

Manufacturer: Pro-Lab

What does this test determine?

The Easy Home Blood Typing Test is designed for home use to identify your blood group within the ABO and Rhesus-D (Rh) systems. This test is intended for in vitro diagnostic use only.* *In a controlled environment outside of a living organism.

The ABO System

The ABO system classifies blood into four possible groups: A, B, AB, and O.

• Type A: Has a protein called Antigen A on the surface of the red blood cells (erythrocytes).

• Type B: Has Antigen B on the surface of the red blood cells.

• Type AB: Has both Antigen A and Antigen B.

• Type O: Has neither Antigen A nor Antigen B.

Blood plasma contains antibodies (Anti-A and/or Anti-B). Generally, individuals only possess antibodies for the antigens they do not have. For example, a person with Type A blood will not have Anti-A antibodies in their plasma.

Blood type is genetically determined and inherited. While antigens are present at birth, antibodies typically develop during the first year of life. The discovery of these main blood groups by scientist Karl Landsteiner in 1900 paved the way for further research, most notably the Rhesus system, described in 1940.

The RHESUS System

The Rhesus (Rh) blood group system is more complex than the ABO system. The most significant component is Antigen D and its corresponding antibody, Anti-D.

• Rh Positive: If Antigen D is present on the surface of the red blood cells, the person is D-positive (Rhesus positive). Anti-D antibodies are not found in the plasma of Rh-positive individuals.

• Rh Negative: Blood without Antigen D is D-negative (Rhesus negative). While it usually does not contain Anti-D antibodies, an Rh-negative person can develop them if their blood comes into contact with Rh-positive red blood cells.

How the Test Works

The test card features three circular test areas containing Anti-A, Anti-B, and Anti-D antibodies.

When a blood sample is applied, these antibodies will cause red blood cells with the corresponding antigens to clump together. This process is called agglutination, and the resulting clumps are easily visible to the naked eye.

• Type A: Agglutination occurs in the Anti-A field.

• Type B: Agglutination occurs in the Anti-B field.

• Type AB: Agglutination occurs in both the Anti-A and Anti-B fields.

• Type O: No agglutination occurs in the ABO fields.

• Rh Positive: Agglutination occurs in the Anti-D field.

The presence or absence of agglutination indicates the specific blood type of the sample applied to the card. This technique is a globally recognized and accepted method for blood group determination.