PMID: 18730020Sep 1, 1966Paper

The latex serologic test for syphilis-a new screening procedure.

California Medicine
C M CARPENTERR A Le Clair

Abstract

A new macroscopic screening test for syphilis, the Latex-sts test, is extraordinarily simple. After inactivation of the patient's serum for 30 minutes at 56 degrees C the test is performed by mixing the patient's serum with latex particles coated with cardiolipin and a protein fraction obtained from the non-pathogenic Reiter strain of Treponema pallidum. Two to three minutes after mixing, the result of the test is observed on a ringed serologic plate. The sensitivity, specificity and reproducibility of the new test are equivalent to those of the qualitative Venereal Disease Research Laboratory tube test. The advantages of the Latex-sts are that it can be done in a short time, it is simple and it requires a minimum of laboratory equipment. The coated latex particles are stable for 12 months.

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