Ouchterlony plate

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• Ouchterlony double immuno diffusion — (or agar gel immunodiffusion) is a simple, rather dated method which is still considered to be the gold standard for detection of ENAs (Extractable Nuclear Antigens).A gel plate is cut to form a series of holes in the gel (The geometry is… …   Wikipedia

• Ouchterlony double immunodiffusion — Picture of an Ouchterlony double immunodiffusion plate, after immunodiffusion has taken place. In this, titre value of an antigen is quantified. The central well has an antibody, and the surrounding wells have decreasing concentration of the… …   Wikipedia

• 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

• method — The mode or manner or orderly sequence of events of a process or procedure. SEE ALSO: fixative, operation, procedure, stain, technique. [G. methodos; fr. meta, after, + hodos, way] Abell Kendall m. a …   Medical dictionary

• Nanjing — This article is about the city in Jiangsu province. For other uses, see Nanjing (disambiguation). Nanjing 南京   Sub provincial city   南京市 …   Wikipedia

• ELISPOT — The Enzyme linked immunosorbent spot (ELISPOT) assay is a common method for monitoring immune responses in humans and animals. It was developed by Cecil Czerkinsky in 1983. [cite journal |author=Czerkinsky C, Nilsson L, Nygren H, Ouchterlony O,… …   Wikipedia

• double diffusion in two dimensions — double diffusion in which antigen and antiserum are placed in wells cut in an agar plate; antigen solutions to be compared are placed in wells equidistant from the antiserum well. Three principal types of reaction may occur, reaction of identity …   Medical dictionary