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Agarose gel electrophoresis is a method of gel electrophoresis used in biochemistry, molecular biology, genetics, and clinical chemistry to separate a mixed population of macromolecules such as DNA or proteins in a matrix of agarose, one of the two main components of agar.
An agarose gel in a tray used for gel electrophoresis. Agarose is a heteropolysaccharide, generally extracted from certain red algae. [1] It is a linear polymer made up of the repeating unit of agarobiose, which is a disaccharide made up of D-galactose and 3,6-anhydro-L-galactopyranose.
Simmons’ citrate agar was developed by James S. Simmons in 1926 by adding 1.5% agar and bromothymol blue as a pH indicator to Koser’s citrate agar to observe changes in pH as a result of oxidative reactions from citrate metabolism. [5]
Methyl cellulose, as a gel, has the unique property of setting when hot and melting when cold. [8] In some meat analogues that are intended to replicate the texture of meat, methyl cellulose is used as an ingredient, typically in concentrations less than 2%. [9] [10]
Androstanolone is available as a 2.5% hydroalcoholic gel given transdermally in doses of 5 or 10 g/day (brand name Andractim). [20] The medication was previously available as a 10 mg oral tablet with 300 mg L -lysine (brand name Lysinex) and as a 25 mg sublingual tablet (brand names Anabolex, Anaprotin, Anabolene, Anaboleen, Proteina).