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Pregnancy :
The VEDA.LAB pregnancy test is a direct latex-particle agglutination test for the detection of urinary hCG levels 300mIU/mL in women. Positive specimens induce latex-particle agglutination in 2 minutes.The test is intended for professional use for the rapid determination of urinary human chorionic gonadotropin (hCG) as an indicator of pregnancy.
Infectious diseases :
Qualitative test.
The test is based on the latex agglutination reaction. Latex particles coated with rabbit gamma-globulins are highly reactive to hepatitis B surface antigen (HBsAg).In the event of a positive reaction (agglutination), various agglutination patterns are obtained. If the test is negative (no HBsAg), no agglutination occurs.
The kit is intended for professional use.
In patients infected by Treponema pallidum, the test detects the presence of certain antibodies known as plasma reagins. The reaction of RPR Carbon Antigen with those reagins generates information on the presence and extent of the infection.RPR Carbon Antigen is a non-treponemal preparation, derived from the Venereal Disease Research Laboratory (VDRL) antigen. The preparation contains finely divided carbon particles in order to enhance agglutination and facilitate reading.Test is for professional use.
Subjects infected with T pallidum generally produce reagins, a group of antibodies directed against tissue components of these infected patients. In the presence of the VDRL reagent (association of antigen and lipids), reagins induce a visible agglutination.
This test is intended for professional use.
Infected subjects produce specific anti-T. pallidum antibodies that can be detected in the serum using avian red blood cells pre-coated with an antigenic extract of the microorganism. Passive hemagglutination is one of the methods of choice for the detection of anti-T. Pallidum antibodies.The TPHA test is based on the detection of specific anti-T. Pallidum antibodies by the passive agglutination method. In the presence of anti-T. Pallidum antibodies, coated avian red blood cells agglutinate forming a smooth mat at the bottom of the microtiter plate wells. If the result is negative result, a well-defined pellet is observed.
The test is intended for professional use.
Mononucleosis is an infectious disease induced by the Epstein-Barr virus (EBV). In the course of the infection, certain heterophilic antibodies appear in the patient''s serum. Those antibodies agglutinate horse and sheep erythrocytes.Specially processed horse erythrocytes are used in the test. The erythrocyte antigens agglutinate mononucleosis-associated heterophilic antibodies. The reagent also contains latex particles to enhance agglutination and facilitate reading.
Toxoplasmosis is a disease caused by protozoan parasite Toxoplasma gondii. Antibodies are produced during infection process and they can be detected by the agglutination of latex beads coated with T. gondii antigen extract. This test is intended for professional use.
Rheumatoïd :
Direct Latex reagent test
Useful in the diagnosis of rheumatoid arthritis, bacterial infections and other inflammatory diseases (rheumatic fever).
Qualitative or semi-quantitative method. C-reactive protein is a globulin, which increases in inflammatory processes, in the acute phase of various diseases and after surgical operations. CRP Latex reagent is a suspension of polystyrene particles sensitized with anti-human CRP protein. When the reagent is mixed with a serum sample containing C-Reactive protein an antigen-antibody reaction takes place and is proved by latex agglutination.
Qualitative or semi-quantitative method.Rheumatoid Factor (RF) is a macroglobulin present in the serum of most patients suffering from progressive chronic osteoarthritis. RF agglutinates inert particles sensitized with human gamma-globulin
When the RF reagent is mixed with serum containing rheumatoid factor, an antigen-antibody reaction takes place and is clearly evidenced by latex agglutination.
The kits is intended for professional use.
Qualitative or semi-quantitative method.Anti-streptolysin "O" antibodies are produced in infections due to beta-hemolytic streptococci in reaction to the presence of streptolysin O (SLO) released by the bacteria.Serum antibody level is a marker of the extent and degree of the infection.ASO Latex reagent is a suspension of polystyrene particles sensitized with streptolysin O. When the reagent is mixed with serum containing anti-SLO antibodies, an antigen-antibody reaction takes place and is clearly proved by latex agglutination.
Patients suffering from rheumatoid arthritis and other rheumatoid disorders such as lupus erythematosus or Sjögren’s syndrome develop antibodies directed against IgG class immunoglobulins. These antibodies induce the agglutination of sheep red cells sensitized with rabbit IgG anti-sheep erythrocytes and thus can be detected visually with a naked eye.
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