ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 64, Number 4
JKCSEZ 64(4)
August 20, 2020 

203  

Speciation Analysis of Seleno-Compounds in Hair and Finger Nails
손톱과 모발에서의 셀레노 화합물의 화학종 분석
Young Ji, Daeseop Keum, Yong N Pak*
Keywords: 셀레늄, 손톱, 모발, 동위원소희석법, HPLC-ICP/MS ,  Selenium speciation, Selenium-fortified Spirulina, Isotope dilution, HPLC-ICP/MS
DOI: https://doi.org/10.5012/jkcs.2020.64.4.203

Abstract  |  Full Text: PDF    JATS XML

210  

Science Teachers’ Orientation toward Scientific Inquiry-Based Teaching
중학교 과학 교사의 과학 탐구 교수 지향
Jungeun Yang, Aeran Choi*
Keywords: 과학 교수 지향, 과학 탐구 수업, 교사학습공동체 ,  Science teaching orientation, Inquiry-based science instruction, Professional learning community
DOI: https://doi.org/10.5012/jkcs.2020.64.4.210

Abstract  |  Full Text: PDF    JATS XML

225  

Site Directed Mutagenesis of LuxG as a Flavin Reductase from Bioluminescent Bacteria of Photobacterium leiognathi
Ki Seok Nam, Eui Ho Lee, Eugeny Oh, Chan Yong Lee*
Keywords: Bioluminescence, Flavin reductase, LuxG, Photobacterium, Site-directed mutagenesis
DOI: https://doi.org/10.5012/jkcs.2020.64.4.225

Abstract  |  Full Text: PDF    JATS XML

231  

Photoreaction of 1,1,1,2,2-pentamethyl-2-(2-(2-phenoxyethoxy)phenyl)disilane
1,1,1,2,2-펜타메칠-2-(2-(2-페녹시에톡시)페닐)디실란의 광반응
Ju Hyen Lee, Seung Ki Park*
Keywords: 1,1,1,2,2-pentamethyl-2-(2-(2-phenoxyethoxy)phenyl)disilane, Silatriene, Silene, Silylene
DOI: https://doi.org/10.5012/jkcs.2020.64.4.231

Abstract  |  Full Text: PDF    JATS XML

236  

A Sex Pheromone Synthesis and Application for Eco-friendly Control of Soybean Beetle
애풍뎅이의 환경친화적 방제를 위한 성페로몬의 합성과 응용
Seon Hee Choi, Keon Sang Ryoo, Yong Pyo Hong*
Keywords: Soybean beetle, Eco-friendly, Sex pheromone, Synthesis
DOI: https://doi.org/10.5012/jkcs.2020.64.4.236

Abstract  |  Full Text: PDF    JATS XML

239  

New Synthesis of Thioflavones by the Regioselective Cyclization of 1-(2-Benzylthio) phenyl-3-phenylprop-2-yn-1-ones Using Hydrobromic Acid
Jae In Lee
Keywords: Thioflavones, Condensation, Acylation, 6-Endo cyclization
DOI: https://doi.org/10.5012/jkcs.2020.64.4.239

Abstract  |  Full Text: PDF    JATS XML