| Budget Amount *help |
¥17,940,000 (Direct Cost: ¥13,800,000、Indirect Cost: ¥4,140,000)
Fiscal Year 2019: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2018: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2017: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2016: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2015: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
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| Outline of Final Research Achievements |
It is necessary to inform the origin of nikawa (= animal skin glue) for use of repairing cultural assets. However, inaccurate information about commercial nikawas has given rise to prevent them useful. In this study, scientific analysis was carried out in order to obtain useful information of nikawa. The trace DNA remained and the isotopic analysis revealed the original animal species of nikawa. Some chemical analyses discovered Non-nikawa medium, gum Arabic, firstly from the asset of Edo period in this scientific research in this study. The amino acid composition and the malting point was related to material properties essential for the restoration.
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