2022 Fiscal Year Final Research Report
Research on the construction of a system for conducting scientific analysis in minute quantities: In the case of organic cultural properties coated with asynthetic resin preserving agent
| Project/Area Number |
17H00833
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Cultural assets study and museology
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| Research Institution | Meiji University (2017, 2020-2022)
Kanazawa University (2018-2019) |
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Principal Investigator |
Kamiya Yoshimi 明治大学, 研究・知財戦略機構(生田), 研究推進員(客員研究員) (90445841)
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| Co-Investigator(Kenkyū-buntansha) |
本多 貴之 明治大学, 理工学部, 専任准教授 (40409462)
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| Project Period (FY) |
2017-04-01 – 2022-03-31
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| Keywords | 文化財 / 保存処置 / 合成樹脂 / 複層構造 / クロスセクション / Py-GC/MS / 漆文化財 / 切削 |
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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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| Free Research Field |
文化財科学
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| Academic Significance and Societal Importance of the Research Achievements |
これまで有機溶媒に不溶となる有機文化財の科学分析に関しては、分析法ごとに測定サンプルが必須であり、様々な情報を得るために破壊分析が可能な多くの測定サンプルを必要としていた。最表面から切削していく分析手法も、粉末サンプルを余すところなく回収することが困難で、最終的には大きな面積を破壊する分析になっていた。そこで多層構造をしている有機文化財を対象として、１つの微小な剥落片から複数の情報を取り出すことに特化した分析システムの構築を試み、断面からの微小切削といったサンプリング等の手法を確立した。制限の多い有機文化財分析分野におけるクロスセクションの利用拡大の可能性を示すことができた。
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