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Annica Pilgård

Annica Pilgård

AN OVERVIEW OF AVAILABLE DNA-BASED APPLICATIONS AND RESULTS RELEVANT FOR WOOD PROTECTION

The area of wood protection is in a period of change. New wood protection systems have been developed while e.g. their mode of action remains insufficiently understood. Most studies on …

Annica Pilgård / Gry Alfredsen

A BETTER UNDERSTANDING OF THE MODE OF ACTION OF FURFURYLATED WOOD

A range of studies the last decade has shown that modified wood can provide excellent protection against a range of wood deteriorating organisms, including decay fungi. However, we still lack …

Annica Pilgård / Klaus Richter / Rebecka Ringman

EFFECT OF WOOD MODIFICATION ON GENE EXPRESSION DURING INCIPIENT POSTIA PLACENTA DECAY

Modified wood materials have improved resistance against wood decaying fungi. In contrast to traditional treatments, where the durability is achieved from the toxicity of the added chemicals, very little is …

Annica Pilgård / Gry Alfredsen

EFFECT OF LEACHING ON POSTIA PLACENTA DECAY OF ACETIC ANHYDRIDE MODIFIED WOOD

Even if it is well established that acetylation of wood by the use of acetic anhydride is able to impart a significant degree of decay resistance, more evidence is needed …

Annica Pilgård / Gabriele Ehmcke / Klaus Richter / Rebecka Ringman

Improvement of a cytochemical method for localization of hydrogen peroxide and adaptation to furfurylated wood

The process of brown-rot degradation includes a non-enzymatic part, the chelator mediated Fenton degradation, followed by enzymatic action. The fungus induces the production of hydroxyl radicals inside the wood cell …

Annica Pilgård / Christian Brischke / Klaus Richter / Martina Kölle / Rebecka Ringman

Expression of postia placenta wood degradation genes in thermally modified wood

The mode of action of modified wood has long been discussed but is still unsolved. A better understanding of decay resistance mechanisms facilitates improvements of wood protection processes and product …

Annica Pilgård / Fossdal CG / Gry Alfredsen / Michael Risse / Schmöllerl B.

Profiling postia placenta colonisation in modified wood – microscopy, dna quantification and gene expression

In order to protect non-durable wood species against microbial deterioration one alternative is modified wood. The lowered equilibrium moisture in modified wood is believed to be one of the main …

Annica Pilgård / Gabriele Ehmcke / Gerald Koch / Klaus Richter

Topochemical analyzes of furfuryl alcohol modified radiata pine (pinus radiata)

Furfurylation of wood is basically described as the polymerization of the organic monomer furfuryl alcohol (FA) in wooden tissue. Very little is known about the topochemistry of FA polymerization in …

Annica Pilgård / Annika Smeds / Lisbeth Garbrecht Thygesen / Maria Fredriksson / Sophie Füchtner / Theis Brock-Nannestad

Effect of extractives on brown rot degradation of Norway spruce and Kurian larch

Protection of wood against fungal degradation is crucial for its outdoor application. As traditional biocide-based protections systems are being banned, inspiration for environmentally friendly solutions may be found in tree …

Annica Pilgård / Martina Kölle / Rebecka Ringman

Comparison of methods to investigate initial brown rot wood decay

Since brown rot fungi prefer conifers it is the most important wood decaying group in the boreal forest belt (Zabel and Morrell 1992, Goodell 2003, Vanden Wymelenberg et al. 2010). …

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