1. Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Songkhla, Thailand;
2. Analytical Chemistry and Environment Research Unit, Division of Chemistry, Department of Science, Faculty of Science and Technology, Prince of Songkla University, Pattani, Thailand;
3. Department of Chemistry/Biochemistry/Molecular Biology, Alex Ekwueme Federal University, Ndufu Alike Ikwo, Abakaliki, Ebonyi State, Nigeria;
4. Department of Chemistry, Faculty of Science, Prince of Songkla University, Songkhla, Thailand