13C high-resolution solid-state NMR for structural elucidation of archaeological woods

被引:75
作者
Bardet, M. [1 ]
Gerbaud, G. [1 ]
Giffard, M. [1 ]
Doan, C. [1 ]
Hediger, S. [1 ]
Le Pape, L. [1 ,2 ]
机构
[1] CEA, INAC, SCIB, Lab Resonances Magnet, F-38054 Grenoble, France
[2] CEA, iRTSV, Lab Chim & Biol Met, F-38054 Grenoble, France
关键词
Solid-state NMR; MAS; Archaeology; Waterlogged wood; Polyethylene glycol; NUCLEAR-MAGNETIC-RESONANCE; BOND CARBON-CARBON; PLANT-CELL WALLS; CPMAS NMR; COMPLETE ASSIGNMENT; CELLULOSE CRYSTALLINITY; SPECTROSCOPIC METHODS; CROSS POLARIZATION; ACETYLATED WOOD; CP/MAS NMR;
D O I
10.1016/j.pnmrs.2009.02.001
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
A study was conducted to demonstrate the applications of high-resolution solid-state 13CNMR in the field of exploration of archaeological waterlogged wood samples. NMR was used in these applications as it allowed an investigation of molecular interactions between the residual wood components and the compounds used for wood conservation. The study also focused on providing information about wood structure and main features of waterlogged archaeological woods. Wood was considered as a complex natural composite material that contained three major components, such as cellulose, a poly-b(1 4)-D-glucopyranosyl linear polymer, and hemicelluloses. Cellulose represented the crystalline part of wood that were held together by the hemicelluloses and the lignin, while the main function of hemicelluloses and lignins was to buttress the fibrils.
引用
收藏
页码:199 / 214
页数:16
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