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In hematology, red cell agglutination or autoagglutination is a phenomenon in which red blood cells clump together, forming aggregates. It is caused by the surface of the red cells being coated with antibodies .
This image explains agglutination in the blood. Agglutination is the clumping of particles. The word agglutination comes from the Latin agglutinare (glueing to).. Agglutination is a reaction in which particles (as red blood cells or bacteria) suspended in a liquid collect into clumps usually as a response to a specific antibody.
Agglutinin might also be associated with diseases of which the most common is an autoimmune disease known as cold agglutinin disease.In cold agglutinin disease, the body produces agglutinins or antibodies that coagulate erythrocytes and lyse them at room temperature or lower.
An overview of the different components included in the field of chemical biology. Chemical biology is a scientific discipline between the fields of chemistry and biology.The discipline involves the application of chemical techniques, analysis, and often small molecules produced through synthetic chemistry, to the study and manipulation of biological systems. [1]
A slide coagulase test is run with a negative control to rule out autoagglutination. Two drops of saline are put onto the slide labeled with sample number, Test (T) and control (C). The two saline drops are emulsified with the test organism using a wire loop, straight wire, or wooden stick.
Oligonucleotides are short DNA or RNA molecules, oligomers, that have a wide range of applications in genetic testing, research, and forensics.Commonly made in the laboratory by solid-phase chemical synthesis, [1] these small fragments of nucleic acids can be manufactured as single-stranded molecules with any user-specified sequence, and so are vital for artificial gene synthesis, polymerase ...
Structural model of an antibody molecule. Rounded portions indicate antigen binding sites. In an antibody, the Fab (fragment, antigen-binding) region is formed from the amino-terminal end of both the light and heavy chains of the immunoglobulin polypeptide.
The labels Apt1, Apt2, Apt3, and Apt4 are in decreasing order of binding strength (i.e. Apt1 is the strongest aptamer). The DD, AD, DA, and AA letters mean that they have different combinations of unnatural base pairs. This causes their difference in binding strengths. The "-" columns have no protein, and the "+" columns do have protein.