ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 67, Number 4
JKCSEZ 67(4)
August 20, 2023 

217  

Spectrophotometric Determination of Maximum Loading Capacity of a Dendrimer
Youngjin Jeon
Keywords: Cadmium sulfide, Dendrimer, UV-vis spectra, Maximum loading capacity, Nanoparticles
DOI: https://doi.org/10.5012/jkcs.2023.67.4.217

Abstract  |  Full Text: PDF    JATS XML

222  

Morphology of Metal Salt of Carboxylic Acid: Metal and Acid Dependency on Branched Round Cluster Images
Min Su Kang, Kwang-Jin Hwang
Keywords: Morphology, Metal salt, Carboxylic acid, Scanning electron microscopy, Crystallinity
DOI: https://doi.org/10.5012/jkcs.2023.67.4.222

Abstract  |  Full Text: PDF    JATS XML

226  

Flavonoids as Novel Therapeutic Agents Against Chikungunya Virus Capsid Protein: A Molecular Docking Approach
E. Vadivel, Gundeep Ekka, J. Fermin Angelo Selvin
Keywords: Binding affinity using Autodock, Chikungunya virus capsid protein, Molecular docking of flavonoids, Biochanin A, Chrysin, Fisetin and Naringenin
DOI: https://doi.org/10.5012/jkcs.2023.67.4.226

Abstract  |  Full Text: PDF    JATS XML

236  

Photoluminescent Properties of EuGa₂S₄ and Eu₂Ga₂S₅ Phosphors
EuGa₂S₄와 Eu₂Ga₂S₅ 형광체의 발광 특성
Young-Sik Cho, Min-Kyeong Jang, Young-Duk Huh
Keywords: Photoluminescence, EuGa₂S₄, Eu₂Ga₂S₅
DOI: https://doi.org/10.5012/jkcs.2023.67.4.236

Abstract  |  Full Text: PDF    JATS XML

241  

The Effect of Classes Using the Scratch for Quasi-Microscopic Representation Approaches in Dynamic Equilibrium Learning
동적 평형 학습에서 준미시적 표상 접근을 위한 스크래치 활용 수업의 효과
Seongjae Lee, Sungki Kim, Seoung-Hey Paik
Keywords: Sub-microscopic representation, Scratch, Dynamic equilibrium, Equilibrium
DOI: https://doi.org/10.5012/jkcs.2023.67.4.241

Abstract  |  Full Text: PDF    JATS XML

253  

The Effect of Student-led Assessment on Students’ Achievement Emotions and Science Concept Understanding in Middle School Science Class
중학교 과학 수업에서 학생주도평가가 성취정서와 과학개념이해에 미치는 영향
Dajeong Yun, Jihun Park, Jeonghee Nam
Keywords: Student-led assessment, Achievement emotions, Science concept understanding
DOI: https://doi.org/10.5012/jkcs.2023.67.4.253

Abstract  |  Full Text: PDF    JATS XML

271  

Effectiveness and Relationship Analysis of Chemistry Programs Based on Metacognitive Learning Strategies Using Realistic Contents for Pre-service Teachers
예비교사를 위한 실감형 콘텐츠 활용 메타인지 학습전략 기반 화학 프로그램의 효과 및 관계성 분석
Da Eun Lee, Hyun-Kyung Kim
Keywords: Realistic content, Metacognitive learning strategy, Chemistry program, Creativity thinking competence, Science core competence
DOI: https://doi.org/10.5012/jkcs.2023.67.4.271

Abstract  |  Full Text: PDF    JATS XML

281  

The Effect of Role Assignment in Group Activities on Students’ Collaboration in Middle School Science Class Implementing Collaborative Problem Solving for Character Competency (CoProC) Model
협력적 문제해결 중심 교수모델(CoProC)을 적용한 중학교 과학 수업에서 모둠활동에서의 역할 부여가 학생들의 협력에 미치는 영향
Minsu Kim, Jihun Park, Jeonghee Nam
Keywords: Collaborative problem solving for competency (CoProC) instruction model, Collaboration, Role assignment
DOI: https://doi.org/10.5012/jkcs.2023.67.4.281

Abstract  |  Full Text: PDF    JATS XML

296  

A Study on Preservice Science Teachers' Information-Seeking Behavior in SSI Debate Class
과학기술관련 사회쟁점(SSI) 토론 수업에서 예비과학교사들의 정보 탐색에 대한 연구
Nayoon Song, Sunyoung Park, Dahae Park, Taehee Noh, Sukjin Kang
Keywords: Socioscientific issues (SSI), Information-seeking, Debate, Preservice science teacher, Digital literacy
DOI: https://doi.org/10.5012/jkcs.2023.67.4.296

Abstract  |  Full Text: PDF    JATS XML

306  

Regioselective [3+2]-Cycloadditions of α,β-Unsaturated Ketones with Hydrazonoyl Chloride-Derived Nitrile Imines for Stereoselective Synthesis of Pyrazolines
Ji Sun Yang, Sung-Gon Kim
Keywords: Cycloaddition, α,β-Unsaturated ketones, Nitrile imine, Pyrazoline
DOI: https://doi.org/10.5012/jkcs.2023.67.4.306

Abstract  |  Full Text: PDF    JATS XML