ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 59, Number 4
JKCSEZ 59(4)
August 20, 2015 

271  

Studies on Mixed Micellizations of Sodium Dodecanoate and Sodium Octanoate by Means of Electric Conductivity and Light Scattering
전기 전도도 및 광산란법에 의한 나트륨 도데카노에이트와 나트륨 옥타노에이트의 혼합미셀화 연구
Il Hyun Park*, Han Woong Jang, Seung Hwan Baek
Keywords: 혼합 계면활성제, 임계미셀농도, Rubingh 모델, 광산란, 응집수 , Mixed surfactant, Critical micelle concentration, Rubingh model, Light scattering, Aggregation number
DOI: https://doi.org/10.5012/jkcs.2015.59.4.271

Abstract  |  Full Text: PDF

280  

Hydrated Ferric Sulfate [Fe₂(SO₄)₃·xH₂O]: An Efficient and Reusable Catalyst for One-Pot Synthesis of 2H-Indazolo[2,1-b]phthalazine-triones
Abhik Choudhury, Shahzad Ali, Abu T Khan*
Keywords: Ferric sulfate hydrate [Fe₂(SO₄)₃·xH₂O], Three component reactions, Phthalhydrazide, Cyclic-1,3-diketones, 2H-Indazolo[2,1-b] phthalazine-trione derivatives
DOI: https://doi.org/10.5012/jkcs.2015.59.4.280

Abstract  |  Supporting Information  |  Full Text: PDF

284  

Synthesis of 2-Amino-3-cyano-7-hydroxy-4H-chromenes Using L-Proline as a Biocatalyst
Farahnaz K Behbahani*, Sima Mehraban
Keywords: L-proline, Resorcinol, Chromene, Synthesis, Multicomponent reaction
DOI: https://doi.org/10.5012/jkcs.2015.59.4.284

Abstract  |  Full Text: PDF

289  

The Elementary School Teachers' Thoughts of the Classification Criteria for Evaporation and Boiling Concept in the Heating and Non-Heating Conditions
가열과 비가열 상황에서 증발과 끓음 개념에 대한 초등교사들의 분류 기준에 대한 생각
Seoung Hey Paik*, Yang Ah Kim
Keywords: 증발, 끓음, 가열상황, 비가열상황, 초등교사 , Evaporation, Boiling, Heating situation, No heating situation, Elementary school teacher
DOI: https://doi.org/10.5012/jkcs.2015.59.4.289

Abstract  |  Full Text: PDF

296  

Development and Application Effect of Gas Concentration Measure Experiment for the Improvement of Elementary School Teachers' Concept on Combustion
초등교사의 연소 개념 향상을 위한 기체 농도 측정 실험 개발 및 적용 효과
Eun Young Kim, Youngshin Kim, Ae Kyung Shin*
Keywords: 기체 농도 측정 실험, 연소 개념, 초등교사, 초의 연소 , An experiment to measure gas concentration, Concepts on combustion, Elementary school teachers, Combustion of a candle
DOI: https://doi.org/10.5012/jkcs.2015.59.4.296

Abstract  |  Full Text: PDF

308  

Impact of Teachers’ Overcoming Experience of Threshold Concepts in Chemistry on Pedagogical Content Knowledge (PCK) Development
Eun Jung Park
Keywords: Threshold concepts, Pedagogical content knowledge, Integrative feature
DOI: https://doi.org/10.5012/jkcs.2015.59.4.308

Abstract  |  Full Text: PDF

320  

The Effect of Elementary School Teachers’ Discussion on Their Conceptual Changes Related to Three States of Matter and Analysis of Results of Classification Activities
물질의 세 가지 상태에 대한 개념 변화에 초등교사들의 토론이 미치는 영향과 분류활동 결과의 분석
Jungin Choi, Seoung Hey Paik*
Keywords: 물질의 상태, 분류, 초등교사 , State of matter, Classification, Elementary school teacher
DOI: https://doi.org/10.5012/jkcs.2015.59.4.320

Abstract  |  Full Text: PDF

336  

Macrocyclic Zinc(II) Coordination Polymers Constructed from Aromatic and Cyclohexane Dicarboxylate Ligands
Taeyeong Kim, Jin Suk Kwag, Ju Chang Kim*
Keywords: Zinc(II) complex, Coordination polymer, Tetraazamacrocycle, Dicarboxylate ligand
DOI: https://doi.org/10.5012/jkcs.2015.59.4.336

Abstract  |  Supporting Information  |  Full Text: PDF

341  

Effect of Terminal Labeling of Fluorescent Dyes on Ribozyme Activity
Bongrae Cho
Keywords: Cy3, Cy5, Ribozyme, Thiophosphorylation
DOI: https://doi.org/10.5012/jkcs.2015.59.4.341

Abstract  |  Full Text: PDF

344  

Characterization of Site-specific Mutations in Human Dihydrolipoamide Dehydrogenase Significantly Destabilizing the Transition State of the Enzyme Catalysis
Hakjung Kim
Keywords: Dihydrolipoamide dehydrogenase, Pyridine nucleotide-disulfide oxidoreductase, Flavoenzyme
DOI: https://doi.org/10.5012/jkcs.2015.59.4.344

Abstract  |  Full Text: PDF

349  

The Isolation of Antimicrobial Ingredient from Zanthoxylum Piperitum DC. and Tetragonia Tetragonoides; Antimicrobial Activity of Antimicrobial Soap
초피와 번행으로부터 항균성분의 분리 및 항균 비누에 관한 연구
Mee Jeon, Eun Seon Kim, Ju Duck Kim, Chuljin Ahn*
Keywords: 초피, 번행, 항균비누 , Zanthoxylum piperitum DC., Tetragonia tetragonioides, Antimicrobial soap
DOI: https://doi.org/10.5012/jkcs.2015.59.4.349

Abstract  |  Full Text: PDF

353  

Phenolic Compounds from the Branches of Malus sieboldii (Regel) Rehder and Their Antioxidative Activities
In Jeong Yang, Sang Hee Byeon, Jong Seok Baik, Nam Ho Lee*
Keywords: Malus sieboldii, Phenolic compounds, DPPH free radical scavenger, ABTS⁺ radical, Isolation, Structure determination
DOI: https://doi.org/10.5012/jkcs.2015.59.4.353

Abstract  |  Supporting Information  |  Full Text: PDF

358  

Vibrational Energy Transfer of the Morse Type Molecule by Use of the Anharmonic Wave Functions
비조화진동 파동함수를 이용한 Morse형 분자의 진동에너지 전이에 대한 연구
Chang Soon Lee
Keywords: 진동에너지 전이, 비조화진동자, 비조화파동함수 , Vibrational energy transfer, Anharmonic oscillator, Anharmonic wave function
DOI: https://doi.org/10.5012/jkcs.2015.59.4.358

Abstract  |  Full Text: PDF