| Budget Amount *help |
¥72,020,000 (Direct Cost: ¥55,400,000、Indirect Cost: ¥16,620,000)
Fiscal Year 2022: ¥14,950,000 (Direct Cost: ¥11,500,000、Indirect Cost: ¥3,450,000)
Fiscal Year 2021: ¥14,820,000 (Direct Cost: ¥11,400,000、Indirect Cost: ¥3,420,000)
Fiscal Year 2020: ¥14,950,000 (Direct Cost: ¥11,500,000、Indirect Cost: ¥3,450,000)
Fiscal Year 2019: ¥14,820,000 (Direct Cost: ¥11,400,000、Indirect Cost: ¥3,420,000)
Fiscal Year 2018: ¥12,480,000 (Direct Cost: ¥9,600,000、Indirect Cost: ¥2,880,000)
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| Outline of Final Research Achievements |
Atomic force microscopy (AFM) is used to advance the understanding of the mechanical structure of plant cells. An analytical theory (shell theory) for considering the deflection of the cell wall was constructed with reference to the treatment of structural mechanics in architectural engineering. We devised a method for deriving the elastic modulus of the cell wall and intracellular turgor pressure. By applying this method, we could determine these parameters from the topographic measurement and the indentation test by AFM. It is difficult to estimate them by other methods. This research unraveled the mechanical properties caused by the complex structure of plant cells, and opened a new way to understand the mechanical structure of plants from a microscopic view.
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