flocculation test

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• flocculation test — n any of various serological tests (as the Mazzini test for syphilis) in which a positive result depends on the combination of an antigen and antibody to produce a flocculent precipitate * * * any serologic test in which a flocculent agglomerate… …   Medical dictionary

• Ramon flocculation test — Ra·mon flocculation test (rah mawґ) [Gaston Ramon, French bacteriologist 1886–1963] see under test …   Medical dictionary

• bentonite flocculation test — any agglutination test using antigen adsorbed on particles of bentonite; when the antigen is added to serum containing specific antibodies, flocculation occurs …   Medical dictionary

• Ramon flocculation test — a test formerly widely used to assess the quality of toxoid based vaccines; to a series of tubes containing a constant amount of toxin, such as diphtheria toxin, antitoxin is added in increasing amounts; when flocculation occurs, it indicates a… …   Medical dictionary

• test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

• Rapid plasma reagin test — A screening blood test for syphilis. Rapid plasma reagin is commonly abbreviated RPR. A negative ( nonreactive ) RPR test result is compatible with a person not having syphilis. However, a person may have a negative RPR test and still have… …   Medical dictionary

• VDRL test — A blood test for syphilis (VDRL stands for Venereal Disease Research Laboratory) that detects an antibody that is present in the bloodstream when a patient has syphilis. A negative (nonreactive) VDRL is compatible with a person not having… …   Medical dictionary

• Mazzini test — Maz·zi·ni test mə zē nē n a flocculation test for the diagnosis of syphilis Mazzini Louis Yolando (1894 1973) American serologist. Mazzini began his career in medical research as a serologist in the department of bacteriology and pathology at… …   Medical dictionary

• serological test — ▪ medicine       any of several laboratory procedures carried out on a sample of blood serum (serum), the clear liquid that separates from the blood when it is allowed to clot. The purpose of such a test is to detect serum antibodies or antibody… …   Universalium

• Venereal Disease Research Laboratory test — The Venereal Disease Research Laboratory test or VDRL was developed by the former Venereal Disease Research Laboratory, now the Treponemal Pathogenesis and Immunology Branch, of the United States Public Health Service. The VDRL type test was… …   Wikipedia

• Wassermann test — The Wassermann test is a complement fixation (Complement system) antibody test for syphilis, named after the bacteriologist August von Wassermann.MethodA sample of blood or cerebrospinal fluid is taken and introduced to the antigen cardiolipin… …   Wikipedia