| 释义 |
deˈpolymerize, v.
[f. de- II. 1 + polymerize v.]
a. trans. To break down (a polymer) into monomers or other smaller units.
b. intr. To undergo this process. So deˌpolymeriˈzation; deˈpolymerized ppl. a.; deˈpolymerizing vbl. n. and ppl. a.
1893Funk's Stand. Dict., Depolymerization. 1909Webster, Depolymerize v. tr. 1924Jrnl. Text. Inst. XV. T. 383 The formation of dislocation marks can be ascribed to a process of twinning or gliding caused by lateral stresses in the fibre, which bring about a depolymerisation of the cellulose at these points. 1939Jrnl. Biol. Chem. CXXVII. 253 The depolymerizing effect of pancreatin on the nucleic acid. Ibid. 257 The fully depolymerized substance has a molecular weight of 1341. Ibid. 258 Desoxyribonucleic acid, depolymerized by Feulgen's method.., is dephosphorylated by crude and by purified enzyme. 1962H. Heath in A. Pirie Lens Metabolism Rel. Cataract 363 This has been attributed to the consequent lack of depolymerizing peroxide and hence the accumulation of large molecules of the mucopolysaccharide. 1962Lancet 12 May 1007/2 Tomkins et al. have found that the highly polymerised (tetrameric) form of the enzyme, glutamic dehydrogenase, catalyses the oxidation of glutamic acid while the depolymerised (monomeric) form catalyses oxidation of alanine. 1964N. G. Clark Mod. Org. Chem. xiv. 272 This liquid trimer is preferred to the low-boiling acetaldehyde, into which it slowly de-polymerizes under the reaction conditions. 1968H. Harris Nucleus & Cytoplasm ii. 21 These phages induce depolymerization of the bacterial DNA. Ibid. 22 This phage does not depolymerize the bacterial DNA. |