titer


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titer

 [ti´ter]
the quantity of a substance required to react with or to correspond to a given amount of another substance.
agglutination titer the highest dilution of a serum which causes clumping of microorganisms or other particulate antigens.

ti·ter

(tī'tĕr),
The standard of strength of a volumetric test solution; the assay value of an unknown measure by volumetric means.
[Fr. titre, standard]

titer

/ti·ter/ (ti´ter) the quantity of a substance required to react with or to correspond to a given amount of another substance.
agglutination titer  the highest dilution of a serum which causes clumping of microorganisms or other particulate antigens.

titer

[tī′tər]
Etymology: Fr, titre, to make a standard,
1 the normality of a solution or substance, determined by titration to find the equivalence of two reactants.
2 the extent to which an antibody can be diluted before losing its power to react with a specific antigen.
3 the highest dilution of a serum that causes clumping of bacteria or other visible reaction. Also spelled titre.

titer

Infectious disease Somewhat incorrectly, the term titer refers to the serum concentration of an antibiotic at which it is (bacteri)–cidal or static. See Serum bactericidal titer, Serum inhibitory titer.

ti·ter

(tī'tĕr)
The standard of strength of a volumetric test solution; the assay value of an unknown measure by volumetric means.
Synonym(s): titre.
[Fr. titre, standard]

Titer

A dilution of a substance with an exact known amount of fluid. For example, one part of serum diluted with four parts of saline is a titer of 1:4.

ti·ter

(tī'tĕr)
The standard of strength of a volumetric test solution.
Synonym(s): titre.
[Fr. titre, standard]

titer (tī´tur),

n the standard amount by volume of a material required to produce a desired reaction with another material.

titer

the quantity of a substance required to react with or to correspond to a given amount of another substance.

agglutination titer
the highest dilution of a serum which causes clumping of microorganisms or other particulate antigens.
References in periodicals archive ?
HI Antibody response of Chicks in Group B inoculated with H7N3 (Avi-flu) vaccine: On day 07 PV, the minimum HI titer of 1:2 and maximum titer of 1:16 was detected in serum samples of two chicks.
A single Anti Streptolysin O titer was obtained from all patients at admission.
RVNA titer of group C was significantly higher than those of groups A and B while there was no significant difference between groups A and B (P greater than 0.
In conclusion, hemolysis can interfere with diagnosis of CD by sequestration of anti-tTG antibodies, especially in patients with low titers of tTG-IgA.
With the exception of hepatitis B among children adopted from Korea and mumps among all children, the percentages of positive antibody titers were similar to rates that have been reported in U.
4], TSH, antinuclear antibody, fluorescent treponemal antibody, and Lyme titer levels were all normal.
In this study, NEUGENE antisense agents targeting influenza A strain H1N1 exhibited up to one thousandfold reduction in viral titer in infected cells, with excellent conservation in sequence across other influenza viruses, including H5N1, also known as avian flu.
The half-life of antibody to CHIKV was calculated by plotting the antibody titer versus age to 18 months on both linear and logarithmic scales.
2 ELISA units during the 12 weeks from the first G17DT administration (if the baseline anti-G17 titer was below the limit of quantification (BLQ)) or an anti-G17 titer of at least 1 ELISA unit increased from the baseline titer during the 12 weeks from the first G17DT administration (if the baseline anti-G17 titer was above BLQ).
Less virus was transmitted by mosquitoes in vivo (geometric mean 11 PFU) than was found for comparable times of salivation in vitro (mean saliva titer 74 PFU).