- agar diffusion
- мед.фраз. диффузия в агаре
Англо-русский медицинский словарь. 2012.
agar diffusion
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Agar diffusion test — The agar diffusion test, or the Kirby Bauer disk diffusion method, is a means of measuring the effect of an antimicrobial agent against bacteria grown in culture. The bacteria in question is swabbed uniformly across a culture plate. A filter… … Wikipedia
Agar — or agar agar is a gelatinous substance derived from seaweed. Historically and in a modern context, it is chiefly used as an ingredient in desserts throughout Japan, but in the past century has found extensive use as a solid substrate to contain… … Wikipedia
agar-agar — [ agaragar ] n. m. • 1865; mot malais ♦ Gélose. Des agars agars. agar agar n. m. CHIM Substance extraite de certaines algues, qui forme avec l eau une gelée utilisée en bactériologie comme milieu de culture et dans l industrie comme produit d… … Encyclopédie Universelle
Agar — dans la Genèse, esclave d Abraham, mère d Ismaël. ⇒AGAR, AGAR AGAR, subst. masc. Substance mucilagineuse de certaines algues communes dans les mers extrême orientales : • 1. Dans des récipients (...) on dispose des aliments propres au… … Encyclopédie Universelle
agar — A complex polysaccharide (a sulfated galactan) derived from seaweed (various red algae); used as a solidifying agent in culture media; it has the valuable property of melting at 100°C, but not solidifying until 49°C. [Bengalese] bile salt a. an a … Medical dictionary
diffusion — 1. The random movement of molecules or ions or small particles in solution or suspension under the influence of brownian (thermal) motion toward a uniform distribution throughout the available volume; the rate is relatively rapid among liquids an … Medical dictionary
double diffusion in one dimension — double diffusion in which antiserum is placed in a test tube and overlaid with agar; the agar is allowed to solidify and antigen is layered over it. Precipitin lines form where the concentrations of each antigen and antibody are equivalent.… … Medical dictionary
double diffusion agar assay — (Ouchterlony technique) An immunodiffusion reaction in which both antibody and antigen diffuse through agar to form stable immune complexes, which can be observed visually … Dictionary of microbiology
disk diffusion test — disk sensitivity test a type of antimicrobial susceptibility test in which agar plates are inoculated with a standardized suspension of a microorganism and then antibiotic containing disks are applied to the agar surface. Following overnight… … Medical dictionary
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
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
