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After seroconversion, sufficient concentration of the specific antibody exists in the blood, and the serological assay will detect the antibody. The individual is now seropositive for the antibody. [14] During seroconversion, when the amounts of antibody and antigen are very similar, it may not be possible to detect free antigen or free ...
The presence of detectable levels of a specific marker within the serum is considered seropositivity, while the absence of such levels is considered seronegativity. HIV/AIDS [ edit ]
Schematic showing the direct and indirect Coombs tests. The two Coombs tests are based on anti-human antibodies binding to human antibodies, commonly IgG or IgM.These anti-human antibodies are produced by plasma cells of non-human animals after immunizing them with human plasma.
This list of over 500 monoclonal antibodies includes approved and investigational drugs as well as drugs that have been withdrawn from market; consequently, the column Use does not necessarily indicate clinical usage. See the list of FDA-approved therapeutic monoclonal antibodies in the monoclonal antibody therapy page.
A viral titer is the lowest concentration of a virus that still infects cells. To determine the titer, several dilutions are prepared, such as 10 −1, 10 −2, 10 −3, ... 10 −8. [1] The titer of a fat is the temperature, in degrees Celsius, at which it solidifies. [4] The higher the titer, the harder the fat.
Many drugs have more than one name and, therefore, the same drug may be listed more than once. Brand names and generic names are differentiated by capitalizing brand names. See also the list of the top 100 bestselling branded drugs , ranked by sales.
It defines seroconversion and starts the conversation about the response to antigen and antibody formation. It also touches on the importance of the tests used to detect antibodies. Overall, the only critique I have is that it is written at a high-grade level with complex sentences and vocabulary.
One source states that the specificity of the test is high, virtually 100%, [7] Another source states that a number of other conditions can cause false positives. [5] Rarely, however, a false positive heterophile antibody test may result from systemic lupus erythematosus, toxoplasmosis, rubella, lymphoma and leukemia.