ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 63, Number 2
JKCSEZ 63(2)
April 20, 2019 

73  

A Comparison of the Density Functional Theory Based Methodologies for the Triplet Excited State of π-Conjugated Molecules: Time-Dependent DFT (TD-DFT), TD-DFT within Tamm-Dancoff Approximation (TDA-DFT), and Spin-Unrestricted DFT (UDFT)
π-공액계 분자의 삼중항 여기 상태에 대한 Density Functional Theory (DFT)에 기반한 계산 방법들의 비교: 시간-의존 DFT (TD-DFT), Tamm-Dancoff 근사법을 적용한 DFT (TDA-DFT), 스핀-비제한 DFT (UDFT)
Chang Hwan Ahn, Dongwook Kim*
Keywords: π-공액계 분자, 삼중항 들뜬 상태, 밀도 범함수 이론 계산 ,  π-Conjugated molecule, Triplet excited state, DFT calcul
DOI: https://doi.org/10.5012/jkcs.2019.63.2.73

Abstract  |  Full Text: PDF    JATS XML

78  

High-resolution ¹H NMR Spectroscopy of Green and Black Teas
Ji Ho Jeong, Hyun Jun Jang, Yongae Kim*
Keywords: Multivariate analysis, 1H NMR, Green tea, Black tea, Classification
DOI: https://doi.org/10.5012/jkcs.2019.63.2.78

Abstract  |  Full Text: PDF    JATS XML

85  

Chalcones-Sulphonamide Hybrids: Synthesis, Characterization and Anticancer Evaluation
Mahammadali Khanusiya*, Zakirhusen Gadhawala
Keywords: Chalcones-sulphonamide hybrid, Anticancer, Cell Lines, Cytotoxicity
DOI: https://doi.org/10.5012/jkcs.2019.63.2.85

Abstract  |  Full Text: PDF    JATS XML

94  

Synthesis and Characterization of Nb, Mo-doped and Nb/Mo-codoped Monoclinic VO₂ Nanoparticles and Their Thin Films by Hydrothermal/Post-Thermal Transformation and Wet-Coating Method
Jongmin Kim, Young Hee Jung, Jun Young Kwak, Yeong Il Kim*
Keywords: VO₂(M), Thermochromic, Semiconductor-to-metal phase transition, Nb-doping, Nb/Mo-codoping
DOI: https://doi.org/10.5012/jkcs.2019.63.2.94

Abstract  |  Full Text: PDF    JATS XML

102  

Exploring Progression Levels for Science Metamodeling Knowledge of the Science Gifted
과학영재 학생들의 과학 메타모델링 지식 발달 단계 탐구
Sungki Kim, Jung Eun Kim, Seoung Hey Paik*
Keywords: 과학영재학교, 과학 메타모델링 지식, 발달 단계 ,  Science high school, Science metamodeling knowledge, Progression level
DOI: https://doi.org/10.5012/jkcs.2019.63.2.102

Abstract  |  Full Text: PDF    JATS XML

111  

Analysis of the Reading Materials in the Chemistry Domain of Elementary School Science and Middle School Science Textbooks and Chemistry I and II Textbooks Developed Under the 2009 Revised National Science Curriculum
2009 개정 초등학교와 중학교 과학 교과서의 화학 영역 및 화학 I, II 교과서의 읽기자료 분석
Jihyun An, Yooni Jung, Kyuyul Lee, Sukjin Kang*
Keywords: 읽기자료, 시각자료, 초등학교 과학, 중학교 과학, 화학 ,  Reading material, Inscription, Elementary science, Middle school science, Chemistry
DOI: https://doi.org/10.5012/jkcs.2019.63.2.111

Abstract  |  Full Text: PDF    JATS XML

123  

The Effect of Responsive Teaching Method on the Recognition of Pre-service Chemistry Teachers about Instructional Design related to Evaporation and Boiling
반응적 교수법이 예비화학교사들의 증발과 끓음에 관한 수업설계 인식에 미친 영향
Na Yeon Jo, Eunji Kim, Seoung Hey Paik*
Keywords: 반응적 교수법, 예비화학교사교육, 증발, 끓음 ,  Responsive teaching, Pre-service chemistry teacher education, Evaporation, Boiling
DOI: https://doi.org/10.5012/jkcs.2019.63.2.123

Abstract  |  Full Text: PDF    JATS XML

134  

Characterization of Human Dihydrolipoamide Dehydrogenase Mutant Showing Significantly Decreased Catalytic Efficiency
Hakjung Kim
Keywords: Dihydrolipoamide dehydrogenase, Pyridine nucleotide-disulfide oxidoreductase, Flavoenzyme
DOI: https://doi.org/10.5012/jkcs.2019.63.2.134

Abstract  |  Full Text: PDF    JATS XML

138  

Synthesis of Monogallic Acid Conjugates of Quercetin at the 3-, 7-, and 4′-Hydroxyl Groups through Selective Protection of Hydroxyl Groups
Jongyun Jang, Dong Wook Kang*
Keywords: Quercetin, Gallic acid, Conjugate, Flavonoid, Esterification
DOI: https://doi.org/10.5012/jkcs.2019.63.2.138

Abstract  |  Full Text: PDF    JATS XML