Optical Sum Frequency Generation Image of Rice Grains
Optical Sum Frequency Generation Image of Rice Grains作者机构：Japan Advanced Institute of Science and Technology 1-1 Asahidai Nomi Ishikawa 923-1292 Japan
出 版 物：《Journal of Biomaterials and Nanobiotechnology》 (生物材料与纳米技术（英文）)
年 卷 期：2012年第3卷第2期
页 面：286-291页
学科分类：1002[医学-临床医学] 100214[医学-肿瘤学] 10[医学]
主 题：Optical Sum Frequency Generation Microscopy Oryzaglutinosa (Rice) Amylopectin Starch Crush Cell Layer Endosperm
摘 要：We observed optical sum frequency generation (SFG) images of cross-sections of glutinous rice grains, in order to test a possibility of the SFG microscopy as a tool for monitoring polysaccharide species in rice grains. The SFG response in the CH vibration range was the most intense in the crush cell layer at the edge of the endosperm adjacent to the embryo probably due to optical reflection and scattering effectby the rugged dielectric structure of the crush cell layer. The SFG spectra as a function of the infrared wavelength depended on the measurement position in the endosperm. The SFG results were compared with those by Raman and infrared spectroscopies for the same samples.
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