Your search resulted in 938 documents. Displaying 25 entries per page.
Extraction of fungal colorants for their use in coloured coatings for wood
2022 - IRG/WP 22-40938
…of useful metabolites. Such metabolites are e.g. colorants, that can easily be produced on industrial scale and low material costs. To date some microbial produced colorants are used in textile- and food industry because of their low toxicity and sustainability compared to synthetically produced colorants.…
K Kusstatscher, N Pfabigan, M Senoner, L Orlowsky, A Steitz, B Forsthuber, S Niedermayer, R Gründlinger
Structural health assessment of wood - A comparison of methods for determining the spatial spread of fungal infestation in beams and rafters
2025 - IRG/WP 25-11051
…methods for decay detection to identify borders of fungal decay in wooden components. Study objects from real buildings were inspected visually, underwent a x-ray-based density profiling, drilling resistance measurements and High-Energy Multiple Impact (HEMI) – tests. None of these methods indicated a…
C Brischke, N Sommerfeld, E Flohr, A K Mayer, S Bollmus
Towards eco-friendly fire retardant of wood - exploring fungal biomineralization
2025 - IRG/WP 25-11052
Timber is a strong, durable, aesthetically pleasing and sustainable building material but its combustibility represents a safety threat. Commonly used fire and flame retardants are often environmentally unfriendly, while safety cladding is labour intensive and…
K Butina Ogorelec, A Gubenšek, A Sandak
Synthetic Oxalate/ß-glucan Fungal Extracellular Matrix Demonstrates Potential Inhibition of Extracellular Enzyme Diffusion into Wood Cell Walls, and Calls into Question the Role of Enzymes in Wood Decay
2025 - IRG/WP 25-11053
…This finding better explains the gel-like nature of the fungal ECM. Oxalate, at relatively low levels, was found to alter the rheometric properties of the ß-glucan hydrogels and modelling showed that the ß-glucan hydrogen bonds with oxalate in a non-covalent matrix to allow formation of that relatively stiff…
B Goodell, G A Tompsett, G Perez-Gonzalez, K Mastalerz, M Timko
Fungal degradation of oak timber bridges
2025 - IRG/WP 25-11058
…in Hanover, Germany. The study aimed to identify the fungal species using culture-independent methods and to examine the impact of poorly executed structural details on wood degradation. The results revealed that the crossbars were the most frequently decayed components, followed by the bridge decking, posts,…
L Schrader, J Trautner, C Brischke
Durability and molecular analysis of fungal communities in wood exposed above ground
2025 - IRG/WP 25-11068
…to 20 years in the case of CCA.
Obtained DNA data on the fungal diversity in the exposed wood by sequencing techniques and the resemblance between the subjective assessments of wood decay and the identification information obtained by molecular technique was discussed.
N Högberg, D Panov, G Daniel, N Terziev
Interaction of cellulolytic enzymes with fungal cell wall polysaccharides
2025 - IRG/WP 25-11071
…have suggested that the ECM fills the space between the fungal hyphae and the wood cell wall and may serve as a reaction site for extracellular enzymes. However, the mechanisms underlying the interactions between ECM and wood-degrading enzymes remain poorly understood. In this study, we hypothesised that the ECM…
K Fukabori, N Hattori, Y Kojima, R Iizuka, M Yoshida
Potential co-valorization of pyrolysis tars from five wood species form Tunisia as wood preservatives bases: Chemical compositions, antifungal and anti-termite activities
2025 - IRG/WP 25-20739
…Spectrometry (GC-MS) analysis and evaluation of their antifungal and anti-termite properties. The average yield of char and pyrolysis liquid was 27.00 % and 40.00 %, respectively. Chemical characterisation of the pyrolysis tars revealed the presence of methanol, hydroxyacetone, 3-methyl-1,2-cyclopentanedione, acetic…
M T Elaieb, J Valette, E Kiény, L Pignolet, S Ghariani, K Candelier
A novel anti-fungal wood crack repairing agent based on CQDs/PVA
2025 - IRG/WP 25-20744
Wood is a sustainable material, but its tendency to crack and decay poses a challenge for its applications. In this study, we developed a combination system of nitrogen-doping carbon quantum dots (N-CQDs) and polyvinyl alcohol (PVA) to repair wood cracks. Rath…
X Zhao, Z Zhang, Y Peng, W Wang, J Cao
Effect of photodegradation on fungal colonization on wood during initial stage of brown-rot decay
2025 - IRG/WP 25-41024
…study was to explore the effect of photodegradation on fungal colonization during initial stage of brown-rot decay of wood. For this purpose, southern pine (Pinus spp.) wood was exposed to accelerated UV weathering for different durations, and then decayed by a brown rot fungus (Gloeophyllum trabeum). The changes…
Y Wang, Y Peng, J Cao
Fungal decay in cable car pylons in Svalbard - overview of results
2025 - IRG/WP 25-41026
…initial decay over the first 80-90 years, whereas severe fungal decay was observed after about 50 years in wooden poles inserted in the ground. Metabarcoding identified Ascomycetes and Basidiomycetes to be predominating in the wood samples and unveiled new fungal species for Svalbard, including four brown rot, five…
G Alfredsen, M Altgen, M S Austigard, J Mattsson, M Nunez, L Ross, S Aarseth Tunstad, A Treu, I A Yakovlev, N Bjerregaard Pedersen
Biocomposites based on fungal mycelium and beech particles impregnated with BPCM (bio-phase change material) for thermal energy storage
2025 - IRG/WP 25-41034
…(bioPCMs) with lignocellulosic (wood) particles bound by fungal mycelia. By exploring the potential of bio-based materials with thermal energy storage capabilities, the study aims to demonstrate how these materials can replace traditional building materials with a high environmental footprint. Specifically, the…
E Nigrone, F De Francesco, J Conti, M Jebrane, M Nazari, N Terziev, S Palanti
On the use of miniaturized wood specimens in fungal decay experiments – mini-blocks versus EN 113 test specimens
2024 - IRG/WP 24-11044
Preliminary evaluation and classification of wood durability against decay fungi using laboratory monoculture experiments has been a longstanding practice because these tests offer quicker results than field tests. Various methods, including miniaturized speci…
C Brischke, G Alfredsen
Investigating moisture dynamics and fungal decay risk: integrating X-ray CT visualization and simulation benchmarks through a Fungal Control Unit
2024 - IRG/WP 24-11045
Wood is susceptible to fungal attack and over time the structural integrity can be compromised. This risk is of course strongly related to moisture dynamics, as moisture is needed for fungal growth. While existing methodologies, such as lab and field tests, provide valuable…
J Van den Bulcke, J Van Acker, M Delbeke, A Blommaert, N Van Den Bossche, M Steeman, L De Ligne
Influence of the substitution of phenol with lignin cleavage products in phenol-formaldehyde impregnation resins for wood modification on the fungal decay resistance and impregnation depth
2024 - IRG/WP 24-30805
…the woods dimensional stability and resistance against fungal decay. However, to decrease the usage of non-renewable resources, the substitution of phenol has been a topic of scientific interest. Lignin is a currently underutilized resource with a chemical structure that contains phenolic units. For adhesive…
J Karthäuser, L Tarentino, A Treu, H Militz, G Alfredsen
How personality traits influence the perception of fungal decay in a wooden cladding – A survey in three Modelling wood moisture content in outdoor conditions from measured data
2024 - IRG/WP 24-41002
This study examined perceptions of fungal decay damage on wooden cladding across Norway, Sweden, and Germany. The majority of respondents across all countries did not find the fungal decay damage in question acceptable, with the least acceptance in Norway. This could be due to Norway having…
G W Gustavsen, G Alfredsen, P B van Niekerk, J Niklewski, C Brischke
Characterization of the fungal communities associated with Aquilaria crassna Pierre ex Lecomte plantations in French Guiana
2023 - IRG/WP 23-11001
Aquilariais a tree species belonging to the family of the Thymeleaceae. When the tree is wounded, it can produce a blackened wood, also known as agarwood. The blackened wood has a darker colour than healthy wood and gives off a strong fragrance greatly appreci…
C Zaremski, C Malandain, O Sibourg, B Heuclin, N Amusant, M Ducousso, A Zaremski
Metabolite analysis of fungal COS degradation and phylogenetic investigation of COSase genes
2023 - IRG/WP 23-11018
…of COSase, which is suggested to play an important role in fungal COS degradation, we conducted a homology search of COSase genes using the fungal genome database and its phylogenetic analysis. As a result, different patterns of sulfur metabolites were observed between COS and sulfate when they were used as the…
R Iizuka, S Hattori, I Ohtsu, D Hibbett, Y Katayama, M Yoshida
Hydrothermal liquefaction of spent mushroom substrate as a source of antifungals
2023 - IRG/WP 23-30791
…1H nuclear magnetic resonance (NMR), and assess the antifungal properties of these thermal decomposition liquids against wood decaying fungi (Coniophora puteana (Schumach.) P. Karst. and Trametes versicolor (L.) Lloyd). Retention and leachability following the pressure impregnation treatment of Pinus sylvestris…
A Barbero-López, Y M López-Gómez, J Carrasco, N Jokinen, R Lappalainen, A Haapala
Characterisation of fungal decay in cable car trestles in Svalbard
2023 - IRG/WP 23-11031
…soil. We hereby present preliminary results characterising fungal decay from six of the cable car trestles from Longyearbyen, Svalbard. As expected, we found that that age alone was a poor indicator of decay risk and that more severe decay was found in soil contact than above ground. A total of 170 fungal species…
G Alfredsen, L Ross, M Altgen, I A Yakovlev, A-C Flyen, M S Austigard, J Mattsson, N B Pedersen
Combining MRI and X-ray CT to monitor fungal decay of plywood and OSB in a lab test
2022 - IRG/WP 22-20683
…after the decay experiment, local density decrease due to fungal decay can be assessed easily. However, during the decay experiment, mass loss due to degradation by the fungus (density decrease) is masked by moisture production by the fungus (density increase). In this paper, we explore the use of Magnetic Resonance…
L De Ligne, T Núñez Guitar, C Vanhove, J Van Acker, J Van den Bulcke
Impregnation of wood with antifungal compounds from low-quality tree biomass
2022 - IRG/WP 22-30763
…stilbenes and flavonoids were prepared for the antifungal assay. The extracts were colorimetrically analyzed on antioxidant properties by measuring free radical scavenging activity. The resistance of with extractives impregnated wood was measured with a so-called mini-block test (modified EN 113). Wood of…
V Vek, I Poljanšek, A Balzano, M Humar, P Oven
Durability against fungal decay of sorbitol and citric acid (SorCA) modified wood
2022 - IRG/WP 22-40928
…on its surface or by full-volume impregnation with antifungal chemicals. However, due to environmental and health concerns, the most frequently chosen solution, the use of biocidal preservatives, has become limited and new non-biocidal methods to protect wood against wood-destroying organisms are investigated.…
K Kurkowiak, L Emmerich, H Militz
Steam Pre-conditioning Treatment Prior to Acetylation: Impact on Dimensional Stability, Moisture Response Behaviour, and White-Rot Fungal Resistance of Hevea brasiliensis and Mitragyna ciliata Wood
2022 - IRG/WP 22-40930
The effect of steam pre-conditioning treatment on the dimensional stability, moisture response behaviour, and durability against white-rot fungus P. chrysosporium of acetylated Hevea brasiliensis and Mitragyna ciliata wood species were assessed. Defect-free sp…
E Uchechukwu Opara, J Mayowa Owoyemi, J Adeola Fuwape
Evaluation of different wood by-products for sustainable building biomaterial production using fungal mycelium
2022 - IRG/WP 22-50373
…carried out: first the selection of the fastest growing fungal strains and the process’ temperature; secondly, three different grain spawn media were evaluated for inoculum production and the last one was a qualitative screening of mycelium growth in different wood by-products. G. lucidum, T. versicolor and P.…
C Charpentier-Alfaro, M Poggerini, S Palanti, G Della Rocca, D Pellegrini, A Crisci