Abstract
Hydrothermal treatment of nano-struc- tured wood, prepared by precision grinding, with cationic silver was found to give silver nanoparticles (Ag NPs) of 2-40-nm size range embedded in the wood tissue. The size and distribution of Ag NPs depended strongly on the starting silver ion concen- tration and reaction temperature. Higher temperature tended to give larger size and wider distribution. The obtained Ag NPs were characterized using various methods, including high-resolution transmission elec- tron microscopy, UV-visible spectroscopy, and X-ray diffraction. The antibacterial effect of the product against Escherichia coli was evaluated by static and
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