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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 59, Number 5
JKCSEZ 59(5)
October 20, 2015 

 

373  

Studies of Solvolyses of Di-n-butyl Phosphorochloridate by Extended Grunwald-Winstein Equation
확장된 Grunwald-Winstein 식에 의한 Di-n-butyl Phosphorochloridate의 가용매 분해반응 연구
Min Sung Kang, Cheul Ju Kim, Suk Jin Kang, Han Joong Koh*
Keywords: Di-n-butyl phosphorochloridate, 확장된 Grunwald-Winstein 식, SN2 반응, Kivinen 식 , Di-n-butyl phosphorochloridate, Extended Grunwald-Winstein equation, SN2 mechanism, Kivinen’s equation
DOI: https://doi.org/10.5012/jkcs.2015.59.5.373

Abstract  |  Full Text: PDF


379  

Effects of Surfactant Molecules’ Head- and Tail-groups on the Solubilization of p-Chlorobenzoic Acid
p-클로로벤조산의 가용화에서 계면활성제분자의 머리-그룹과 꼬리-그룹이 미치는 효과
Byung Hwan Lee*, Nam Min Lee
Keywords: 벤조산, 가용화상수, 임계미셀농도, 계면활성제, 미셀화 , Benzoic acid, Solubilization constant, Critical micelle concentration, Surfactant, Micellization
DOI: https://doi.org/10.5012/jkcs.2015.59.5.379

Abstract  |  Full Text: PDF


387  

Theoretical Study for the Structures and Binding Energies of HOOO-(H2O)n (n=1~5) Cluster
HOOO-(H2O)n (n=1~5) 클러스터의 구조와 에너지에 대한 이론적 연구
Jong Min Kim, Sung Yoon Hong, Seung Joon Kim*
Keywords: HOOO(H2O)n 클러스터, 밀도 범함수 이론, 수소결합 , HOOO(H2O)n cluster, DFT, H-bond interaction
DOI: https://doi.org/10.5012/jkcs.2015.59.5.387

Abstract  |  Supporting Information  |  Full Text: PDF


397  

Synthesis and Characterization of Magnetic Core-shell ZnFe2O4@ZnO@SiO2 Nanoparticles
Magnetic Core-shell ZnFe2O4@ZnO@SiO2 Nanoparticle의 합성과 성질에 관한 연구
Jeong Yeol Yoo, Young Ki Lee, Jong Gyu Kim*
Keywords: ZnO 나노입자, Core-shell 구조, 광촉매, 자기적 성질 , ZnO nanoparticle, Core-shell structure, Photocatalyst, Magnetic property
DOI: https://doi.org/10.5012/jkcs.2015.59.5.397

Abstract  |  Full Text: PDF


407  

Determination of Palladium in Water Samples Using Cloud Point Extraction Coupled with Laser Thermal Lens Spectrometry
Quan Han*, Yanyan Huo, Na Yang, Xiaohui Yang, Yunhui Zhai, Qianyun Zhang
Keywords: Cloud point extraction, Palladium, Triton X-114, 2-(3,5-Dichloro-2-pyridylazo)-5-dimethylaminoaniline, Laser thermal lens spectrometry
DOI: https://doi.org/10.5012/jkcs.2015.59.5.407

Abstract  |  Full Text: PDF


413  

Development of Polymer Electrolyte Membranes Using Dipole-dipole Interaction for Fuel Cell Applications
쌍극자-쌍극자 상호작용 형성을 이용한 향상된 기능의 연료전지용 고분자 전해질 막의 개발
Mihee Won, Sohyun Kwon, Tae Hyun Kim*
Keywords: 연료전지, 고분자 전해질 막, 전도도, 물리적 가교, 쌍극자-쌍극자 상호작용 , Fuel cell, Polymer electrolyte membrane, Conductivity, Physical crosslinking, Dipole-dipole interaction
DOI: https://doi.org/10.5012/jkcs.2015.59.5.413

Abstract  |  Full Text: PDF


423  

Effects of Binary Doping on Chiroptical, Electrochemical, and Morphological Properties of Chiral Polyaniline
Eunok Kim
Keywords: Conducting polymers, Chiral polyaniline, Helical structures, Electrodeposition, Binary doping
DOI: https://doi.org/10.5012/jkcs.2015.59.5.423

Abstract  |  Full Text: PDF


429  

Stability and Electronic Properties of the Adsorption of Molecular Hydrogen on Metal-containing Single-walled Carbon Nanotubes
Michael Mananghaya
Keywords: Binding energy, Density functional theory, Porphyrin defects, Scandium, Single-walled carbon nanotubes
DOI: https://doi.org/10.5012/jkcs.2015.59.5.429

Abstract  |  Full Text: PDF


434  

An Investigation on Pre-service Chemistry Teachers’ Difficulties in Practice of Inquiry-based Experiment
문제 해결 중심 탐구실험에서 예비 화학교사들이 경험한 어려움에 대한 연구
Jongho Baek, Chui Im Choi, Dae Hong Jeong*
Keywords: 과학탐구, 예비교사, 탐구 중심 실험 수업 , Scientific inquiry, Pre-service teacher, Inquiry-based experiments
DOI: https://doi.org/10.5012/jkcs.2015.59.5.434

Abstract  |  Full Text: PDF


445  

An Analysis of Characteristic and Factor about Middle School Science Descriptive Assessment Items
중학교 과학과 서술형 평가의 문항 특성 및 요인 분석
Sungki Kim, Eunju Choi, Seounghey Paik*
Keywords: 서술형 평가, 평가 전문성, 교사 전문성, 학생평가 , Descriptive assessment, Assessment expertise, Teachers’ expertise, Student assessment
DOI: https://doi.org/10.5012/jkcs.2015.59.5.445

Abstract  |  Full Text: PDF


454  

Pre-service Chemistry Teachers’ Understanding of the Boiling Process of a Liquid Mixture
액체 혼합물의 끓음에 대한 예비 화학교사의 이해
Kira Park, Heesook Yoon*
Keywords: 액체 혼합물, 끓음, 대체적 개념, 예비 화학교사 , Liquid mixture, Boiling, Alternative concept, Pre-service chemistry teacher
DOI: https://doi.org/10.5012/jkcs.2015.59.5.454

Abstract  |  Full Text: PDF


466  

Recombinant Human Laforin Expressed in Insect Cells: Expression, Purification, and Biochemical Characterizations
Ji Woong Choi, Seoung Min Bong, Seung Won Yang, Hyonchol Jang, SangYoun Park, Seung Jun Kim, Byung Il Lee*
Keywords: Laforin, EPM2A, Baculovirus, Insect cells, Phosphatase, Glycogen, Lafora disease
DOI: https://doi.org/10.5012/jkcs.2015.59.5.466

Abstract  |  Full Text: PDF


471  

An Efficient Synthesis of Alternariol
Mihee Won, Sohyun Kwon, Tae Hyun Kim*
Keywords: Alternariol, Total synthesis, Intramolecular lactonization
DOI: https://doi.org/10.5012/jkcs.2015.59.5.471

Abstract  |  Full Text: PDF