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UV-microspectrophotometry of lignin and accessory compounds in wood cell walls of conifers
1999 - IRG/WP 99-20171
The distribution of lignin in the cell wall of conifer tracheids was determined by UV-VIS microspectro-photometer. Wood sections of one micron thickness were measured between the wavelength 240 and 700 nm. Spectral analyses revealed that the conifer lignin associated with the tracheid secondary wall and middle lamella is composed of guiacylpropane units which exhibit a characteristic UV absorption...
G Kleist, G Koch, J Bauch
The development of soft rot decay in bamboo fibres
1992 - IRG/WP 92-1572
The development of decay by soft rot fungus Chaetomium globosum was investigated in young and mature culms of bamboo Phyllostachys virideglaucescens. Soft rot decay was influenced both quantitatively and qualitatively by the differing levels of lignification in the material. Weight loss was significantly greater in the younger culm compared with the older, more heavily lignified culm. The distribu...
O Sulaiman, R J Murphy
Impact of early lignification of ray parenchyma cells on the treatability of Scots pine sapwood
2015 - IRG/WP 15-40706
The wood anatomy of Scots pine sapwood can influence its treatability. A microscopic analysis on the wood material from four different stands in Northern Europe was performed using tangential sections from the outer part of Scots pine sapwood. Single correlations of the ray composition and lignification state of the ray parenchyma showed the influence of these factors on radial penetration depth a...
K Zimmer, A Treu