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Effect of incised pattern on flexural strength of CLT
2023 - IRG/WP 23-40993
As a study aimed at developing preservation methods suitable for CLT, investigations have been carried out using “deep penetration treatment”. This treatment method was originally developed as a treatment method for sawn lumber and glulam used as sill members. In the treatment, materials are incised using specially designed blades and immediately sprayed with an oil-based wood preservative. Th...
T Mori, R Takanashi, T Miyauchi, Y Ohashi, S Isaji


Laboratory evaluation of PA1b, an insecticidal protein extracted from pea seeds (Pisum sativum), as bait active ingredient against the subterranean termite Coptotermes gestroi (Blattodea: Rhinotermitidae) in tropical zones
2024 - IRG/WP 24-11038
Coptotermes gestroi (Wassman 1896) is one of the worst pests in tropic areas, economically. Two types of curative methods are used since decades to eliminate colonies that attack constructions: injection of biocidal treatment solutions on wood, walls and soil, and population control using baits. In application of the current regulations, the first technique can no longer be used in Europe, to lim...
J Vuillemin, D Messaoudi, P da Silva


Decay pattern in external wooden structures
2025 - IRG/WP 25-11055
Decay in external wooden structures has historically been a universal problem of great concern. Despite this, the general understanding of where and why wood-decaying fungi are occurring is limited. The consequences of this are that decayed wood might not be detected and that measures to protect the wood against deterioration has limited effect. Wood decay in different geographical and climatic ...
J Mattsson, M S Austigard, A-C Flyen


Exploration of flavoenzymes from the wood rotting basidiomycete Armillaria cepistipes using protein structure prediction
2025 - IRG/WP 25-11077
Wood rotting basidiomycete is one of the major organisms that cause wood deterioration. Oxidoreductases secreted by those fungi are known to play key roles in the mechanism of wood cell wall degradation. As certain extracellular oxidoreductases including lignolytic peroxidases and lytic-polysaccharide monooxygenases from wood rotting fungi utilise hydrogen peroxide as a substrate in their catalyti...
Y Tamaru


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