Vol. 9 No. 1 (2019): January - June

View Vol. 9 No. 1 (2019): January - June

Published: 2023-02-16

Editor's Note

The duties and obligations of kings and professionals

Jamie Wallin

i-iii
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Research Article

Applications of response surface methodology for optimization of y-alumina nanoparticles synthesis and acid dye adsorption

Patcharee Kamthita, Suttida Tiamsri

1-15
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Assessment of food hazards in local restaurants in Chiang Rai, Thailand

Vivat Keawdounglek

17-27
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Copper (II) adsorption property of 1D coordination polymer [Cu2(H2O)(bipy)2(tp)2] (bipy = 2,2'-bipyridine, tp = terepthalate) after acid treatment

Winya Dungkaew, Suwadee Jiajaroen, Chatphorn Theppitak, Darunee Sertphon, Kittipong Chainok

29-39
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Cytotoxicity and induction of the apoptotic activity of hirsutinolide series/sesquiterpene lactones from Vernonia cinerea on human colorectal cancer cells (COLO 205)

Suchada Jongrungruangchok, Nalinee Pradubyat, Thanapat Songsak, Faongchat Jarintanun, Marisa Wall, Leng Chee Chang, Supakit Wongwiwatthananukit

41-47
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Method for producing natural rubber powder from rubber latex by spray drying process

Nattawoot Hasanachai, Wiriya Thongruang, Ekwipoo Kalkornsurapranee, Peter Brenner, Chayut Nuntadusit

49-58
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Oxidation of toluene by Pt/Co3O4-CeO2 catalyst prepared from pulverized cerium oxide

Kenichiro Inoue, Shoichi Somekawa

59-65
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Reliability of isometric neck and shoulder muscle strength measurements between symptomatic and asymptomatic female office workers using a hand-held dynamometer

Nuttika Nakphet, Montakarn Chaikumarn

67-75
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