| Budget Amount *help |
¥17,550,000 (Direct Cost: ¥13,500,000、Indirect Cost: ¥4,050,000)
Fiscal Year 2014: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2013: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2012: ¥7,150,000 (Direct Cost: ¥5,500,000、Indirect Cost: ¥1,650,000)
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| Outline of Final Research Achievements |
In this research, the ecotoxicity of the engineered nanoparticles toward microbe and plant was evaluated. In the case of microbe, it was found that the surface of the negatively charged microbe was entirely covered with the positively charged PSL nanoparticles owing to the electrostatic interaction, leading to the cell death. Interestingly, the PSL nanoparticles were taken inside the living yeast equipped with the rigid cell wall in the physiological saline. In the case of plant, the growth of lettuce root, lily pollen tube, and tobacco callus was inhibited by the nanoparticles and their dissolved metal ions.
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