1. Determination of lead in aqueous samples using a flow injection analysis system with on-line preconcentration and spectrophotometric detection
Jintana Klamtet, Sureerat Sanguthai and Sarin Sriprang

2. Effect of sintering temperature on the hysteresis properties of barium titanate ceramic
Wanwilai Chaisan

3. Genetic transformation in curcuma alismatifolia gagnep., petunia axillaris and nicotiana tabacum via agrobacterium tumefaciens
Popkao Buddharak, Somboon Anuntalabhochai, Nopmanee Topoonyanont, Peerasak Chaiprasart and Mondhon Sanguansermsri

4. Impact of dilution rate on cgtase activity and productivity from an alkalophilic bacillus sp. g1 in continuous culture
Khosiya Sali, Aidil Abdul Hamid and Wan Mohtar Wan Yusoff

5. The analysis of cumulative logit model when collapsing categories of outcome
Chayanat Phonork, Jiraporn Pholsri and Veeranun Pongsapukdee

6. The determination of tetracycline antibiotics by voltammetry using pencil lead electrode
Prinya Masawat

7. Diversity of orchids at maneepreuk village, ngob subdistrict, thung chang district, nan province
Anupan Kongbangkerd, Sanit Sriroen and Thanakorn Wongsa

8. Nutrient and mineral composition in krathon leaves and unseasoned krathon sauce
Rerngnaporn Mopoung , Wachira Singkong, Kodcharat Thongfak, Madthana Onkeaw and Surat Boonphong

9. Effect of zro2 doping on crystal structure and microstructure of lead titanate ceramics
Theerachai Bongkarn and Saichol Sukkho