Corresponding Author

Ratana Charoenwattanasatien

Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasima, 30000 Thailand

Correspondence

Jaruwan Siritapetawee, PhD, Biochemistry-Electrochemistry Research Unit, School of Chemistry, Institute of Science, Suranaree University of Technology, Nakhon Ratchasima 30000, Thailand. Tel.: +66 44 224598; fax: +66 44 224185.

Email: jaruwanS@g.sut.ac.th

Ratana Charoenwattanasatien, PhD, Synchrotron Light Research Institute (Public Organization), Nakhon Ratchasima 30000, Thailand. Tel.: +66 89 86471043.

Email: ratana@slri.or.th