Oregon State University

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WSE Seminar Series: Shahlinney Lipeh, PhD Candidate

Wednesday, May 31, 2017 11:00 AM - 12:00 PM

Global trends in timber utilization are shifting towards harvests of younger, smaller diameter trees originating from more intensively managed forests. The wood from these trees is perceived as less suitable in terms of wood properties, including resistance to attack by fungi and insects. Standardized methods for determining natural durability use weight loss of test blocks exposed to either a specific wood decay fungus or insect species, or leave wood in the field until it is degraded by biodegradation agents. However, these methods are affected by various factors including the types of degrading organisms present, soil, and climate conditions. Furthermore, the long exposure periods required before durability can be determined is not practical for a competitive forest products industry. There is a need for a faster, non-destructive and economically viable technique for screening wood durability. In this study, we explored the feasibility of using the Fourier-transform infrared (FT-IR) spectroscopy combined with chemometric (multivariate analysis of chemical data) for rapid wood durability assessment. Overview and preliminary results of the study using the Alaska yellow cedar (Callitropsis nootkatensis) will be discussed in this seminar.


Shahlinney Lipeh is a PhD candidate in Wood Science at the Oregon State University. She received her Bachelor’s in Biology (majoring in Zoology) and Master’s degree in Entomology at the National University of Malaysia in Selangor, Malaysia. She worked for the Forest Research Institute of Malaysia (FRIM) as a research entomologist for several years, before joining Dr. Jeff Morrell’s wood protection and preservation research group. Her research interests include wood biodeterioration and wood protection, insect taxonomy and ecology, and (of course) infrared spectroscopy.


Jessica King
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