| 释义 |
agarose, n. Biochem.|ˈægərəʊz|
[f. agar n. + -ose2.]
1. A polysaccharide which consists of alternating residues of d-galactose and 3,6-anhydro-l-galactose and is the main constituent of agar.
1953C. Araki in Mem. Faculty Industr. Arts Kyoto Techn. Univ. II. b. 22 From these analytical data, the experimental formula of C18H26O14 or C19H30O14 seems to be suitable for the part ‘agarose’, which occupies about 70{pcnt} portions in whole agar. 1956Bull. Chem. Soc. Japan XXIX. 543/2 Agar is composed of two polysaccharides, agarose and agaropectin. 1971New Scientist 30 Sept. 739/1 Hormone effects are produced by insulin attached to beads of agarose, which certainly cannot penetrate the cell membrane. 1990EMBO Jrnl. IX. 3846/1 DNA was then isolated by melting the agarose..and extracting it twice with phenol.
2. Special Comb. agarose gel, a gel composed chiefly of agarose for use in gel electrophoresis or other experimental procedures.
1965Jrnl. Chromatogr. XX. 157 Separations were made in agarose gel over-laying a tissue slide cover-glass held flat on a glass lantern slide. 1984Science 22 June 1287/1 (Advt.), The resulting fluorograms are fully comparable to those obtained using other fluorographic techniques, with either polyacrylamide or 2{pcnt} agarose gels. |