Kinetics of the thermal disappearance of radicals formed during the radiolysis of L-α-anhydrous asparagine

• 作者: Ana Neacsu Daniela Gheorghe
• 来源期刊: 化学报告(英文)
• 学科: 工学
• 关键词: L-α-anhydrous ASPARAGINE ionizing radiation paramagnetic centers THERMAL DISAPPEARANCE UNPAIRED electron
• 年，卷（期）: hxbgyw_2019,（1）
• 页码范围: 13-21
• 页数: 9页
• 分类号: TP751.1

摘要

An EPR study of paramagnetic centers formed by irradiation of polycrystalline L-α-anhydrous asparagine (L-Asn) was performed. The EPR spectra of gamma irradiated samples at room temperature, shown the presence of three types of paramagnetic centers. A possible mechanisms of formation for the three radical species is suggested, based also on literature data. The kinetics of the disappearance of radicals during thermal annealing indicated a complex mechanism.