島根大学教育学部
島根大学教育学部紀要. 自然科学

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島根大学教育学部紀要. 自然科学 Volume 32
published_at 1998-12-01

紫外線照射された天然繊維中に生じたラジカルのESR研究

An ESR study of radicals produced in UV-irradiated natural fibers
Kanayama Ryoko
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Descriptions
The same radical, g=2.0046, was detected in UV-irradiated natural fibers, spider's strings or silk, origining in their peptide structures. Their fibers structure are respectively diffrent, but they seem to have the same structure damaged by UV-irradiation.
In the case of UV-irradlated silk, radicals produced in raw silk were very strong, but deduced by alkaline treatment with 0.01 mol/l NaOH for 1 hr.. Othreside, radicals for silk strings were increased by alkaline treatment under the same condition. This fact seems to suggest an adequate alkaline treatment protects natural fibers as silk against UV-irradiation.