•  Ph.D. (Oral Biology)  

1989 University of Minnesota, USA

• LLB.

1981 Ramkhamhaeng University, THAILAND

• M.Sc. (Physiology)

1974 Mahidol University, THAILAND

• D.D.S. 

1972 Mahidol University, THAILAND   

• Acting Deputy Dean of Academic Affairs

2017-present International College of Dentistry, Walailak University, THAILAND

• Committee of Ananda Mahidol scholarship (Dentistry division)

2004-present Anandamahidol Foundation, THAILAND

• Vice President of Dental Council of Thailand

2003 - 2006 Dental Council of Thailand, THAILAND

• Secretary of Chulalongkorn Council 

2000 - 2004 Chulalongkorn University, THAILAND

• Vice President of Academic Affair

2000 - 2004 Chulalongkorn University, THAILAND

• Dean

1993 - 1997 Faculty of Dentistry, Chulalongkorn University, THAILAND

1 Outstanding Alumnus Award, Graduate School, Mahidol University, 2006 

2 Honorary Doctorate Degree, Thammasat University, 2012

Fluoride: bioavailability, absorption, metabolism and transport.

1. Nopakun,J.: Physiology of Cell.  C&S Printing, Bangkok, 316 P, 1999.

2. Jantamongkol, T., Phromyarat,B., Jirungsiwattana,R., and Nopakun,J.:  Acid diffusion analysis of total fluoride in dentifrice. C.U.Dent.J. 15:27-33,1992.

3. Nopakun, J., Messer,H.H., and Voller,V.: Mechanism of fluoride absorption from the rat small intestine. Nutr. Res. 10:771-779,1990.

4. Nopakun,J., Taychapiprannai,S., and Chotipaibulpun,S.:  Mechanism of fluoride transfer across intestinal epithelium of dogs in vitro.  C.U.Dent.J. 14:1-12,1991.

5. Nopakun,J., Messer,H.H., and Voller,V.:  Fluoride absorption from the gastrointestinal tract of rats.  J.Nutr. 119:1411-1417,1989.