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Agar-agar is a natural vegetable gelatin counterpart. [33][34] It is white and semi- translucent when sold in packages as washed and dried strips or in powdered form. [33][35] It can be used to make jellies, [36] puddings, and custards. [37] When making jelly, it is boiled in water until the solids dissolve.
An agar plate is a Petri dish that contains a growth medium solidified with agar, used to culture microorganisms. Sometimes selective compounds are added to influence growth, such as antibiotics. [1] 96 pinner used to perform spot assays with yeast, fungal or bacterial cells. Individual microorganisms placed on the plate will grow into ...
Microbial cultures on solid and liquid media. A microbiological culture, or microbial culture, is a method of multiplying microbial organisms by letting them reproduce in predetermined culture medium under controlled laboratory conditions. Microbial cultures are foundational and basic diagnostic methods used as research tools in molecular biology.
Bordet–Gengou agar is a type of agar plate optimized to isolate Bordetella, containing blood, potato extract, and glycerol, with an antibiotic such as cephalexin or penicillin and sometimes nicotinamide. [1] The potato extract provided nitrogen and vitamins, and potato starch absorbed fatty acids present in nasal secretions or collection-swab ...
Agar used the term "languaculture" for the first time in his book Language Shock: Understanding the Culture of Conversation. Languaculture is a supposed improvement on the word "linguaculture" coined by the American linguistic anthropologist Paul Friedrich. Agar explains the change by stating that "language" is a more commonly used word in English.
Czapek medium. Aspergillus tubingensis growing on Czapek medium. Czapek medium, also called Czapek's agar (CZA) [1][2] or Czapek-Dox medium, is a growth medium for propagating fungi and other organisms in a laboratory. It was named after its inventors, Czech botanist Friedrich Johann Franz Czapek (May 16, 1868 – July 31, 1921) and American ...
Nutrient agar is a general-purpose solid medium supporting growth of a wide range of non- fastidious organisms. It typically contains (mass/volume): [ 1 ] 0.5% peptone - this provides organic nitrogen. 0.3% beef extract / yeast extract - the water-soluble content of these contribute vitamins, carbohydrates, nitrogen, and salts.
MRS agar. De Man – Rogosa – Sharpe agar, often abbreviated to MRS, is a selective culture medium designed to favour the luxuriant growth of Lactobacilli for lab study. Developed in 1960, this medium was named for its inventors, Johannes Cornelis de Man [Wikidata], Morrison Rogosa [Wikidata], and Margaret Elisabeth Sharpe [Wikidata].