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ADVERTISEMENTS: Three types into which the agglutination techniques of cells are classified are: 1. direct agglutination, 2. indirect (passive) agglutination and 3. reverse (passive) agglutination. 1. Direct Agglutination Test: Cells (such as bacteria, fungus, and erythrocytes) and insoluble particulate antigens can be directly agglutinated by their specific antibodies. The antibody has two This paper introduces the clinical use of coagglutination as a method for the rapid detection of pneumococcal antigens in patients with community-acquired pneumonia and compares it with the sputum Gram stain and culture methods. Among 105 patients, 50 (48%) were diagnosed as having pneumococcal pneumonia by at least one of the three methods. coagglutination test correlates well with Rotalex test. The Rotalex kits are to be imported and are costly. Therefore, coagglutination test is a good substitute for mass screening and quick diagnosis of rotavirus infection [3]. 4. Conclusions The application of the coagglutination test using Staphylococci specifically sensitized with protein A By coagglutination with the specific antiserum, a 100% correlation with the pathogenic biogroups was found. Thus, this method is useful for the rapid screening of potential pathogenic Y. enterocolitica isolates. Recently, wehaveshownthatrepresentative strains ofthe pathogenic serogroups of Yersinia enterocolitica but not of theavirulent serogroups orotherspecies ofYersinia synthe-size a24,000 coagglutination: [ ko″ah-gloo″tĭ-na´shun ] the aggregation of particulate antigens combined with agglutinins of more than one specificity. Hämagglutination ( gr. Häm (αἷμα) Blut, lat. agglutinare anheften) bedeutet eine sichtbare Verklumpung ( Agglutination) von Erythrozyten. Man unterscheidet Hämagglutination aufgrund eines Lektins oder als Antigen-Antikörper-Reaktion . Inhaltsverzeichnis 1 Hämagglutinine 1.1 Phytohämagglutinine 1.2 Fungale Hämagglutinine Agglutination is the clumping of particles. The word agglutination comes from the Latin agglutinare (glueing to). Agglutination is the process that occurs if an antigen is mixed with its corresponding antibody called isoagglutinin. This term is commonly used in blood grouping. This occurs in biology in two main examples: Coagglutination test, Rapid diagnosis, Campylobacter jejuni. Introduction The agent Campylobacter has been identi-fied as a common agent causing enterocolitis in man1,2. These microorganisms are also pre-sent in the feces of domestic animals like cat-tle, sheep, pigs and chicken which act as reservoir for Campylobacter producing hu-man Campylobacteriosis3,4. Chicken have been found to be the Agglutination Test. To 200 μl of glycine-saline buffer taken in a vial, add 4 μl of test antisera. (50 times diluted). Add 50 μl of antigen to 50 μl of diluted antiserum in a 1.5 ml vial, mix well and incubate at room temperature for 10 minutes. Pipette 10 μl of coated latex onto a glass slides. Coagglutination is the name given to systems using bacteria as the inert particles to which antibody is attached. Staphylococcus aureus is most frequently used, because it has a protein on its outer surface, called protein A, which naturally adsorbs the FC portion of antibody