1. Program of Chemistry, Faculty of Science and Technology; Bansomdejchaopraya Rajabhat University; Bangkok 10600 Thailand
2. Program of General Science, Faculty of Science and Technology; Thepsatri Rajabhat University; Lopburi 15000 Thailand
3. Department of Chemistry, Faculty of Science; Chulalongkorn University; Bangkok 10330 Thailand
4. Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science; Mahasarakham University; Mahasarakham 44150 Thailand
5. Division of Laser Biochemistry; Institute for Laser Technology; Osaka 550-0004 Japan