Abstract Background Many buildings in Egypt eg museums, mosques and churches, do not
possess controlled environments for minimizing the risks of damage of wooden artifacts due
to the growth of fungi. Fungal damage usually appears as change in wood color,
appearance of stains, and sometimes deformation of wooden surfaces. In this study we
focused on the effect that some fungi exert on the properties of wooden artifacts and
evaluated the effectiveness of different concentrations of chitosan on their protection against …