direct fluorescent antibody technique

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• Direct fluorescent antibody — Direct FA stained mouse brain impression smear reveals the presence of the bacterium Chlamydia psittaci. 400X. Direct fluorescent antibody (DFA or dFA) (also known as Direct immunofluorescence [1]) is a laboratory test that uses antibodies …   Wikipedia

• fluorescent antibody technique — an immunofluorescence technique in which antigen in tissue sections is located by homologous antibody labeled with fluorochrome (the single layer technique) or by treating the antigen with unlabeled antibody followed by a second layer of labeled… …   Medical dictionary

• technique — The manner of performance, or the details, of any surgical operation, experiment, or mechanical act. SEE ALSO: method, operation, procedure. SYN: technic. [Fr., fr. G. technikos, relating to techne, art, skill] airbrasive t. a method of grinding …   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

• Immunoprecipitation — (IP) is the technique of precipitating a protein antigen out of solution using an antibody that specifically binds to that particular protein. This process can be used to isolate and concentrate a particular protein from a sample containing many… …   Wikipedia

• immunofluorescence — An immunohistochemical technique using labeling of antibodies by a fluorescent dye to identify antigenic material specific for the labeled antibody; the specific binding of antibody can be determined microscopically through the production of a… …   Medical dictionary

• Coombs test — Diagnostics MeSH D003298 Coombs test (also known as Coombs test, antiglobulin test or AGT) refers to two clinical blood tests used in immunohematology and immunology. The t …   Wikipedia

• Medical test — Intervention X ray of a hand. X rays are a common medical test. MeSH …   Wikipedia

• Radial immunodiffusion — (or Mancini method, Mancini immunodiffusion, single radial immunodiffusion assay) is an immunodiffusion technique used in immunology to determine the quantity of an antigen by measuring the diameters of circles of precipitin complexes surrounding …   Wikipedia

• Herpes simplex — Herpes redirects here. For the virus that causes herpes simplex, see Herpes simplex virus. For all types of herpes viruses, see Herpesviridae. Herpes simplex Classification and external resources Herpes labialis …   Wikipedia

• Nephelometry — is a technique used in immunology to determine levels of IgM, IgG, and IgA.[1] It is performed by measuring the turbidity in a water sample by passing light through the sample being measured. In nephelometry the measurement is made by measuring… …   Wikipedia