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Licensed Unlicensed Requires Authentication Published by De Gruyter August 5, 2014

Urea-formaldehyde resin penetration into Pinus radiata tracheid walls assessed by TEM-EDXS

  • Adya P. Singh , Arif Nuryawan , Byung-Dae Park EMAIL logo and Kwang Ho Lee
From the journal Holzforschung


This paper reports a new method of detecting urea-formaldehyde (UF) resin penetration into the cell walls of radiata pine (Pinus radiata D. Don) by means of transmission electron microscopy (TEM) in combination with energy-dispersive X-ray spectroscopy (EDXS). The quantifications of penetrated UF resin in the ultrathin cuts of cell walls were realized by detecting nitrogen (N) element by TEM-EDXS. Both line scan and area mapping revealed N in cell walls in contact with resin-filled lumens but not in those in contact with empty lumens. Thus, UF resin had penetrated the cell walls from the lumen side.

Corresponding author: Byung-Dae Park, Department of Wood Science and Technology, Kyungpook National University, 80 Daehak-Ro, Buk-gu, Daegu 702-701, Republic of Korea, e-mail:


This work was supported by the Basic Science Research Program through the National Research Foundation (NRF) of Korea funded by the Ministry of Education, Science and Technology (2011-0022112). This work was also financially supported by the Ministry of Education Science and Technology (MEST) and The Korean Federation of Science and Technology Societies (KOFST).


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Received: 2014-4-2
Accepted: 2014-7-4
Published Online: 2014-8-5
Published in Print: 2015-4-1

©2015 by De Gruyter

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