Latex beads

Definition

Latex beads are small, spherical particles made from polystyrene or other polymers used in various laboratory assays. They can be coated with specific antigens or antibodies to detect the presence of complementary molecules.

5 Must Know Facts For Your Next Test

1. Latex beads are commonly used in agglutination assays to visualize immune responses.
2. They can be coated with antibodies to detect antigens in a sample, leading to visible clumping if the antigen is present.
3. These beads enhance the sensitivity and specificity of serological tests by providing a larger surface area for antigen-antibody interactions.
4. Agglutination involving latex beads is often used for rapid diagnostic tests like detecting bacterial infections or blood typing.
5. The size and uniformity of latex beads can affect the outcome and accuracy of agglutination assays.

Related terms

Agglutination:

The clumping together of particles, typically used to indicate an antigen-antibody reaction.

Antigen:

A substance that induces an immune response, often targeted by antibodies.

Serological Tests: Lab tests that detect antibodies or antigens in a patient's blood.