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链式反应与放射增敏作用:模型酶研究

Chain reactions and radiosensitization: model enzyme studies.

作者信息

Redpath J L, Willson R L

出版信息

Int J Radiat Biol Relat Stud Phys Chem Med. 1975 Apr;27(4):389-98. doi: 10.1080/09553007514550361.

DOI:10.1080/09553007514550361
PMID:1079800
Abstract

The influence of persulphate ions on the radiosensitivity of dilute aqueous solutions of ribonuclease and lysozyme has been studied under a variety of conditions. Rate-constants for reactions of the sulphate radical, SO4, with a variety of solutes and transient product spectra of some of these reactions are reported. The presence of persulphate ions in general enhances the radiation sensitivity; in nitrous-oxide-saturated persulphate solution, a chain reaction has been demonstrated.

摘要

在多种条件下研究了过硫酸根离子对核糖核酸酶和溶菌酶稀水溶液辐射敏感性的影响。报道了硫酸根自由基(SO4)与多种溶质反应的速率常数以及其中一些反应的瞬态产物光谱。一般来说,过硫酸根离子的存在会增强辐射敏感性;在一氧化二氮饱和的过硫酸盐溶液中,已证明存在链反应。

相似文献

1
Chain reactions and radiosensitization: model enzyme studies.链式反应与放射增敏作用:模型酶研究
Int J Radiat Biol Relat Stud Phys Chem Med. 1975 Apr;27(4):389-98. doi: 10.1080/09553007514550361.
2
Effects of gamma-radiation on the optical properties of aqueous lysozyme-polyinosinic-acid complexes.
Int J Radiat Biol Relat Stud Phys Chem Med. 1975 Jan;27(1):31-9. doi: 10.1080/09553007514550031.
3
[Structural disorders of lysozyme and ribonuclease following gamma-irradiation in a dry state].[干燥状态下γ射线辐照后溶菌酶和核糖核酸酶的结构紊乱]
Biofizika. 1971 Jul-Aug;16(4):581-8.
4
Deuteron and y-irradiation of dried preparations of lysozyme and ribonuclease.
Acta Biochim Pol. 1962;9:281-93.
5
The sensitization of the radiolytic inactivation of ribonuclease by cupric ions.铜离子对核糖核酸酶辐射失活的敏化作用。
Int J Radiat Biol Relat Stud Phys Chem Med. 1973 Dec;24(6):561-7. doi: 10.1080/09553007314551471.
6
Electron spin resonance studies on proton-irradiated ribonuclease and lysozyme.
Radiat Res Suppl. 1967;7:102-15.
7
[Properties of lysozyme and ribonuclease A, irradiated in the dry state, following treatment with beta-mercaptoethylamine].[经β-巯基乙胺处理后,在干燥状态下辐照的溶菌酶和核糖核酸酶A的性质]
Radiobiologiia. 1972 Jan-Feb;12(1):26-32.
8
Reaction of ethanol radicals with ribonuclease.
Int J Radiat Biol Relat Stud Phys Chem Med. 1976 Nov;30(5):467-72. doi: 10.1080/09553007614551281.
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Lysozyme dimer formation on lysozyme oxidation with Br2 radical as studied by fluorescence evolution.
Int J Radiat Biol Relat Stud Phys Chem Med. 1982 Mar;41(3):303-14. doi: 10.1080/09553008214551761.
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Effects of gamma radiation on aqueous solutions of phenol.
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Promotive Effects of Chloride and Sulfate on the Near-Complete Destruction of Perfluorocarboxylates (PFCAs) in Brine via Hydrogen-tuned 185-nm UV Photolysis: Mechanisms and Kinetics.氯离子和硫酸根对 185nm 紫外光调控氢促进的卤水中全氟羧酸(PFCAs)近乎完全降解的促进作用:机制与动力学。
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2
Exploring the Inhibitory and Antioxidant Effects of Fullerene and Fullerenol on Ribonuclease A.探索富勒烯和富勒醇对核糖核酸酶A的抑制作用和抗氧化作用。
ACS Omega. 2018 Sep 30;3(9):12270-12283. doi: 10.1021/acsomega.8b01584. Epub 2018 Sep 28.
3
Contrasting oxygen-effects in the inactivation of ribonuclease A by N.3, (SCN).-2 and .OH radicals.
N.3, (SCN).-2和·OH自由基使核糖核酸酶A失活过程中的氧效应对比
Radiat Environ Biophys. 1979 Feb 23;16(1):43-8. doi: 10.1007/BF01326895.