单词 | denature |
释义 | denaturev.ΘΚΠ society > morality > moral evil > moral or spiritual degeneration > degrading or impairing morally > degrade or impair morally [verb (transitive)] > make unnatural uncomelechec1225 disnaturea1500 unnaturea1586 unnaturalize1605 denature1685 denaturalize1812 disnaturalize1837 1685 C. Cotton tr. M. de Montaigne Ess. III. 158 Fanatick people, who think to honour their nature by denaturing themselves. 2. a. To alter (anything) so as to change its nature; e.g. to render alcohol or tea unfit for consumption. ΘΚΠ the world > food and drink > drink > preparation of drinks > [verb (transitive)] > render unfit for consumption denaturize1898 denature1907 the world > time > change > change to something else, transformation > transform [verb (transitive)] > in character or function reduce?a1425 convert1557 resolve?a1560 transnature1567 transnaturalize1631 transmutate1632 transdignify1655 process1881 denaturate1895 denature1907 the world > matter > chemistry > chemical reactions or processes > subject to chemical reactions or processes [verb (transitive)] > subject to named chemical reaction or process > subject to denaturation denaturate1895 denaturize1898 denature1907 1907 Chem. Abstr. 1 2009 Denaturing acetic acid... The strength of acetic acid to be denatured is not specified. 1924 H. E. Fosdick Mod. Use Bible v. 158 Unless it is willing to be denatured, religion cannot get on without this exciting aspect of its thought. 1951 E. Barker Princ. Social & Polit. Theory ii. ii. 47 We only dream; and our dream is one which denatures the State and unspheres law. 1965 Times Lit. Suppl. 25 Nov. 1063/3 To omit the commas..is..to denature or homogenize the lines. b. Biochemistry. To modify (a protein) by heat, acid, etc., so that it no longer has its original properties. ΚΠ 1925 Jrnl. Biol. Chem. 64 370 When a protein is denatured by dilute acids and alkalies..an increase occurs in the acid- and base-binding powers. 1970 R. W. McGilvery Biochemistry viii. 150 Some proteins, notably trypsin, are denatured in hot water, but return to their active form upon cooling. Derivatives deˈnatured adj. ΘΚΠ the world > food and drink > drink > preparation of drinks > [adjective] > rendered unfit for consumption denatured1878 1878 J. Thomson Plenipotent Key 7 If your liquor be..not of the denatured nature of London milk..chicory coffee. 1888 Manch. Examiner 3 July 6/5 Regulations authorising the removal from bond of what was termed denatured tea. deˈnaturing adj. and n. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > denaturation denaturation1882 denaturing1907 denaturization1969 the world > matter > chemistry > chemical reactions or processes > [adjective] > of or relating to named chemical reactions or processes > of or relating to denaturation denaturing1907 the world > matter > chemistry > organic chemistry > chemical processes or reactions > biochemical reactions and processes > [noun] > denaturation denaturation1882 denaturing1907 denaturization1969 the world > matter > chemistry > organic chemistry > chemical processes or reactions > biochemical reactions and processes > [adjective] > denaturation denaturing1907 1907 R. F. Herrick Denatured or Industrial Alcohol i. 2 A number of other substances are used as denaturing agents. 1907 R. F. Herrick Denatured or Industrial Alcohol i. 3 Such denaturing was accomplished by mixing ten per cent of commercial wood alcohol with ordinary alcohol. 1971 Sci. Amer. June 48/2 The first step isolated the elastic fiber..by the use of a denaturing extractant such as a concentrated solution of guanidine and enzymes that specifically break down collagen. Draft additions 1993 3. intransitive. Chiefly Biochemistry. To become denatured, to undergo denaturation. ΘΚΠ the world > matter > chemistry > organic chemistry > chemical processes or reactions > biochemical reactions and processes > biochemical processes [verb (intransitive)] > denature denature1954 1954 Thorpe's Dict. Appl. Chem. (ed. 4) XI. 173/2 Many proteins (e.g., egg albumin) tend to denature irreversibly by adsorption at an air-water interface. 1971 Nature 3 Sept. 12/1 Oxyhaemoglobin in such dilute solution is prone to oxidize to the ferric form, which then denatures, with irreversible formation of monomeric chains. 1982 R. M. Schultz in T. M. Devlin Textbk. Biochem. i. 72 Addition of strong base, acid, or organic solvent, or heating to temperatures above 60°C are also common ways to cause a protein to denature. This entry has not yet been fully updated (first published 1895; most recently modified version published online September 2018). < v.1685 |
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