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Titer (American English) or titre (British English) is a way of expressing concentration. Titer testing employs serial dilution to obtain approximate quantitative information from an analytical procedure that inherently only evaluates as positive or negative.
The antibody level (titer) in the blood tells your health care provider whether or not you have been exposed to an antigen, or something that the body thinks is foreign. The body uses antibodies to attack and remove foreign substances.
4 de mar. de 2021 · An antibody titer is a type of blood test that determines the presence and level (titer) of antibodies in the blood. This test is carried out to investigate if there is an...
1 de nov. de 2023 · A titer is a measurement of the amount or concentration of a substance in a solution. It usually refers to the amount of antibodies found in a person's blood.
25 de ene. de 2019 · The antibody titer test detects the presence and measures the amount of antibodies within the blood. It's an indicator of the strength of the body's immune response. Healthline
For patients with a history of treated syphilis, the presence of a positive nontreponemal test can indicate a new infection, an evolving response to treatment, or treatment failure. Titers tend to wane over time even without treatment, but successful treatment accelerates the pace of antibody decline (see figure below).
A titer is a measure of how much a sample can be diluted before antibodies can no longer be detected. Titers are usually expressed as ratios, such as 1:256, meaning that one part serum to 256 parts saline solution (dilutant) results in no antibodies remaining detectable in the sample.
