释义 |
oxidative, a.|ˈɒksɪdeɪtɪv| [f. as oxidate v. + -ive.] Involving, pertaining to, or characterized by oxidation.
1878Foster Phys. ii. ii. §5. 286 The blood itself removed from the body has practically no oxidative power at all over substances which are undoubtedly oxidized in the body. 1898Allbutt's Syst. Med. V. 398 Carbonic anhydride is only one of the several products of the oxidative metabolism. 1923Q. Jrnl. Med. XVI. 145 (heading) The rate of oxidative recovery from exercise in man. 1935C. F. & G. T. Cori in Harrow & Sherwin Textbk. Biochem. xx. 567 This so-called ‘oxidative quotient’ was found to be between 3 and 6 for all tissues examined. 1962Dardenne & Kirsten in A. Pirie Lens Metabolism Rel. Cataract 419 Oxidative deaminations are of greater importance for the degradation of amino acids. 1972Daily Colonist (Victoria, B.C.) 13 Feb. 27/5 It may be that the human need for Vitamin E is increasing due to the oxidative atmosphere man is creating around the world. Hence ˈoxidatively adv., by an oxidative process.
1964Oceanogr. & Marine Biol. II. 152 The reineckate ion is removed with silver nitrate, and interfering substances (basic amino acids) are oxidatively deaminated by boiling with silver oxide. 1972Cotton & Wilkinson Adv. Inorg. Chem. (ed. 3) xxiv. 773 Molecules that contain multiple bonds may be added oxidatively without cleavage to form new complexes which have 3-membered rings. 1976Lancet 11 Dec. 1312/2 Pseudomonas metabolises carbohydrates oxidatively.
Add:b. oxidative phosphorylation Biochem., the synthesis of ATP in the mitochondria of eukaryotic cells from ADP and phosphate ions, which utilizes energy liberated in oxidative reactions.
1945Arch. Biochem. VI. 440 Previous work on oxidative phosphorylation..has been carried out using washed minces or concentrated dialyzed cell-free extracts equivalent to several hundred milligrams of tissue in 2 or 3 ml. final volume. 1962, etc. [see phosphorylation n.]. 1984J. F. Lamb et al. Essent. Physiol. (ed. 2) i. 8 The mitochondria are the ‘power-house’ of the cell where ATP is made by a process called oxidative phosphorylation. |