| Budget Amount *help |
¥36,920,000 (Direct Cost: ¥28,400,000、Indirect Cost: ¥8,520,000)
Fiscal Year 2021: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
Fiscal Year 2020: ¥3,770,000 (Direct Cost: ¥2,900,000、Indirect Cost: ¥870,000)
Fiscal Year 2019: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2018: ¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
Fiscal Year 2017: ¥17,680,000 (Direct Cost: ¥13,600,000、Indirect Cost: ¥4,080,000)
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| Outline of Final Research Achievements |
Experiments were conducted using measurement samples created in a model-based approach, as well as measurement samples of organic cultural heritage items that underwent preservation treatment using synthetic resins. From the scientific analysis performed on these samples, it has become evident that identifying the species of lacquer trees presents significant challenges when synthetic resins are utilized as repair materials in subsequent generations.
As a solution to this issue, it was found effective to not only employ high-sensitivity analysis techniques using derivatizing reagents but also devise sampling methods such as micro-scalpel and ultrasonic microsectioning to improve sample collection.
In the process of stratified analysis, the 'Gecko Tape method', which was developed for the collection of minute powdered samples derived from microsectioning, proved to be efficient.
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