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Title of Journal: Wood Sci Technol

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Abbravation: Wood Science and Technology

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Springer-Verlag

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DOI

10.1016/0304-3959(87)91436-9

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1432-5225

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Effect of heat treatment on extracellular enzymati

Authors: S Lekounougou M Pétrissans J P Jacquot E Gelhaye P Gérardin
Publish Date: 2008/11/07
Volume: 43, Issue: 3-4, Pages: 331-341
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Abstract

Effect of heat treatment on extracellular enzymes involved in wood degradation by Trametes versicolor was investigated Heattreated and untreated beech blocks were exposed to T versicolor on maltagar medium and extracellular enzymatic activities investigated A strong ABTS oxidizing activity has been detected during the first stage of colonization in both cases while cellulase activities are mainly detected in the case of untreated beech wood Further investigations carried out on holocellulose isolated using sodium chlorite delignification procedure and subjected to heat treatment or not indicate that commercially available cellulases and xylanases are able to hydrolyse untreated holocellulose while heattreated holocellulose was not affected All these data suggest that chemical modifications of wood components during heat treatment disturb enzymatic system involved in wood degradation

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Other Papers In This Journal:
  1. Fourier transform infrared analyses of bog and modern oak wood ( Quercus petraea ) extractives
  2. Duration-of-load and creep effects in strand-based wood composite: experimental research
  3. Determination of the mechanical properties of Castanea sativa Mill. using ultrasonic wave propagation and comparison with static compression and bending methods
  4. Density profile relation to hardness of viscoelastic thermal compressed (VTC) wood composite
  5. Monoethanolamine extraction of copper-preservative-treated wood and reuse of the extract for wood preservation
  6. Modelling the mortality of Hylotrupes bajulus (L.) larvae exposed to anoxic treatment for disinfestation of wooden art objects
  7. Characteristic fragment ions from lignin and polysaccharides in ToF–SIMS
  8. A three-dimensional wood material model to simulate the behavior of wood with any type of knot at the macro-scale
  9. Acoustic emission analysis of industrial plywood materials exposed to destructive tensile load
  10. Sorption of copper and lead by citric acid modified wood
  11. Electromagnetic shielding wood-based composite from electroless plating corrosion-resistant Ni–Cu–P coatings on Fraxinus mandshurica veneer
  12. The suitable harvesting season and the part of moso bamboo ( Phyllostachys pubescens ) for producing binderless boards
  13. Detection of chlorine-labelled chitosan in Scots pine by energy-dispersive X-ray spectroscopy
  14. Dynamic crushing characteristics of spruce wood under large deformations
  15. Influence of plum gum and sodium perborate addition on spruce kraft pulp properties during oxygen delignification
  16. Continuum contraction of tension wood fiber induced by repetitive hygrothermal treatment
  17. Digital radiography (DR) and imaging analysis for evaluating the penetration and distribution of organic substances used in wood conservation
  18. Longitudinal shrinkage behaviour of compression wood in radiata pine
  19. Nanoindentation of juvenile and mature loblolly pine ( Pinus taeda L.) wood fibers as affected by thermomechanical refining pressure
  20. Nanoindentation of juvenile and mature loblolly pine ( Pinus taeda L.) wood fibers as affected by thermomechanical refining pressure
  21. Influence of combined hydro-thermal treatments on selected properties of Turkey oak ( Quercus cerris L.) wood
  22. Resistance of Scots pine ( Pinus sylvestris L.) wood modified with functionalized commercial silicone emulsions against subterranean termites
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