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The Arrangement and Size of Cellulose microfibril aggregates in the Cell Walls of Sclerenchyma Fibers and Parenchyma Tissue in Bamboo

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Journal of Renewable Materials 2021年第12期9卷 2291-2301页

作者： Wenting Ren Fei Guo Minghui Liu Haocheng Xu Hankun Wang Yan Yu Institute of New Bamboo and Rattan Based Biomaterials International Center for Bamboo and RattanBeijing100102China College of Material Engineering Fujian Agriculture and Forestry UniversityFuzhou350108China NFGA and Beijing Co-Built Key Laboratory of Bamboo and Rattan Science&Technology National Forestry and Grassland AdministrationBeijing100102China

Understanding the assembly and spatial arrangement of bamboo cell wall components is crucial for its optimal *** cell walls consist of aggregates of cellulose microfibrils and *** the present study,the size and arrangement of cellulose microfibril aggregates in the cell walls of sclerenchyma fibers and parenchyma cells in moso bamboo were investigated with NMR and *** NMR measurement showed that the characteristic sizes of the microfibril aggregates of fibers and parenchyma cells were approximately 25.8 nm and 18.8 nm,***,high-resolution SEM showed the size of microfibril aggregates varied little across the cell wall of sclerenchyma ***,there were significant size differences between the broad and narrow lamellae both in fiber and parenchyma cells,which is thought to be closely related to the orientation of microfibrils in these *** microfibril aggregates in the fibers mainly appear in a random arrangement,although occasionally in a radial or tangential arrangement in individual *** cells have a relatively thinner cell wall layers,in which microfibril aggregates appear in a concentric lamellar arrangement.

关键词： Bamboo fiber parenchyma cell microfibril aggregate size arrangement

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