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Interaction between AA9 lytic polysaccharide monooxygenase and PQQ-dependent pyranose dehydrogenase in cellulose degradation
2025 - IRG/WP 25-11075
Wood-decaying fungi degrade cellulose, the primary polysaccharide in wood, as a nutrient source by utilising various hydrolytic and oxidative enzymes. Among these, lytic polysaccharide monooxygenase (LPMO9) has gained attention as a key enzyme that enhances the degradation efficiency of other cellulases. The activity of LPMO9 requires both electrons and hydrogen peroxide. It has been reported that...
H Murai, Y Kojima, E G Kommedal, V G H Eijsink, M Yoshida
Predicting weather resistance of Recoated Outdoor Wood by Near Infrared Diffuse Reflectance Spectroscopy
2025 - IRG/WP 25-20757
Wood exposed to the outdoors causes slow degradation. One wood treatment to retain this degradation is paints and stains, and recoating is essential process for these coated wood products to achieve a long service life. We investigated that possibility of using near infrared spectroscopy to estimate repair condition and weather resistance of recoated outdoor wood. The specimens used for recoating ...
M Murai, M Itani, K Isoda