Journal
APPLIED PHYSICS LETTERS
Volume 95, Issue 12, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3232204
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- Ministry of Education, Culture, Sports, Science, and Technology, the Japanese Government [300012]
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We characterized silica structures in the epidermis of rice plant leaves and investigated their physiological functions from optical and mechanical viewpoints. By treating the distribution of silica bodies as a triangular lattice in the xy plane, and performing a theoretical optical analysis on this lattice, we discovered that a reduction in the photonic density of states may inhibit leaves of rice plant from being heated markedly higher than 20 degrees C. Ladderlike structures in the epidermis were mechanically investigated. These structures are conjectured to inhibit flat leaves from undergoing twisting torsions, which may assist the leaf to absorb sunlight more effectively for photosynthesis. (C) 2009 American Institute of Physics. [doi: 10.1063/1.3232204]
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