[1] Western Washington Univ, Dept Chem, MS 9150,516 High St, Bellingham, WA 98225 USA
[2] Western Washington Univ, Adv Mat Sci & Engn Ctr, Bellingham, WA 98225 USA
[3] FEI Co, 5350 NE Dawson Creek Dr, Hillsboro, OR 97124 USA
[4] Shell Oil Co, Westhollow Technol Ctr, 3333 Highway 6 South, Houston, TX 77082 USA