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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 56, Number 4
JKCSEZ 56(4)
August 20, 2012 

 

401  

Study on Corrosion Inhibition Efficiency of Stem Alkaloid Extract of Different Varieties of Holy Basil on Aluminium in HCl Solution
Nutan Kumpawat, Alok Chaturvedi*, R K Upadhyay
Keywords: Inhibitors, Aluminium metal, Weight loss, Surface coverage
DOI: https://doi.org/10.5012/jkcs.2012.56.4.401

Abstract  |  Full Text: PDF


406  

Corrosion Inhibition of Copper-nickel Alloy: Experimental and Theoretical Studies
Anees A Khadom*, Aprael S Yaro, Ahmed Y Musa, Abu Bakar Mohamad, Abdul Amir H Kadhum
Keywords: Alloy, Corrosion test, Molecular dynamic, Corrosion
DOI: https://doi.org/10.5012/jkcs.2012.56.4.406

Abstract  |  Full Text: PDF


416  

Dielectric Relaxation in Ethylene Glycol - Dimethyl Sulfoxide Mixtures as a Function of Composition and Temperature
P B Undre*, P W Khirade, V S Rajenimbalkar, S N Helambe, S C Mehrotra
Keywords: Dielectric relaxation, Dimethyl sulfoxide, Ethylene glycol, Time domain reflectometry, Thermodynamic parameters
DOI: https://doi.org/10.5012/jkcs.2012.56.4.416

Abstract  |  Full Text: PDF


424  

Thermophysical Properties of Acetophenone with Ethylchloroacetate at Temperatures of 303.15, 313.15 and 323.15 K
K Saravanakumar, R Baskaran, T R Kubendran*
Keywords: Viscosity, Density, Refractive index, Ultrasonic velocity, Molecular interactions
DOI: https://doi.org/10.5012/jkcs.2012.56.4.424

Abstract  |  Full Text: PDF


431  

Dissipative Particle Dynamics Simulation on the Formation Process of CeO2 Nanoparticles in Alcohol Aqueous Solutions
Qi Zhang, Jing Zhong*, Bao Zhu Yang, Wei Qiu Huang, Ruo Yu Chen, Jun Min Liao, Chi Ruei Gu, Cheng Lung Chen*
Keywords: Dissipative particle dynamics, CeO2 Particle dimension, Alcohol content, Precipitation temperature
DOI: https://doi.org/10.5012/jkcs.2012.56.4.431

Abstract  |  Full Text: PDF


440  

Synthesis, Characterization and Antimicrobial Activity of Zirconium (IV) Complexes
Shobhana Sharma, Asha Jain, Sanjiv Saxena*
Keywords: Zirconium (IV) complexes, Antimicrobial activity
DOI: https://doi.org/10.5012/jkcs.2012.56.4.440

Abstract  |  Full Text: PDF


448  

The Electrochemical Behavior of Ni-base Metallic Glasses Containing Cr in H2SO4 Solutions
Sanaa T Arab, Khadijah M Emran*, Hamad A Al Turaif
Keywords: Nickel base alloys, Metallic glasses, Passivity, Role of chromium, Corrosion
DOI: https://doi.org/10.5012/jkcs.2012.56.4.448

Abstract  |  Full Text: PDF


459  

Synthesis of New 8-Formyl-4-methyl-7-hydroxy Coumarin Derivatives
D M Manidhar, K Uma Maheswara Rao, N Bakthavatchala Reddy, Ch Syama Sundar, C Suresh Reddy*
Keywords: N,N-di substituted cyano acetamides, Piperdine, Coumarin derivatives
DOI: https://doi.org/10.5012/jkcs.2012.56.4.459

Abstract  |  Full Text: PDF


464  

Synthesis and Hydroxyl Radicals Scavenging Activity of 2-Pyridine-acetyl-N-trimethyl Chitosan Chloride
Rongchun Li*
Keywords: Double quaternary chitosan, Synthesis, Antioxidant activity
DOI: https://doi.org/10.5012/jkcs.2012.56.4.464

Abstract  |  Full Text: PDF


468  

Microwave-assisted Synthesis of Benzo-[1,4]-oxazinones Using MeO-PEG-OMe as Solvent
MeO-PEG-OMe를 사용한 benzo-[1,4]-oxazinone 화합물의 마이크로웨이브 합성
Jae Min Lim*, Gyunghee Gam, Shin Hyuong Kim, Kiwan Jang, Dong Soo Shin*
Keywords: Benzo-[1,4]-oxazinone, Microwave-assisted, MeO-PEG-OMe, Pyrido-[1,4]-oxazinone, Smiles rearrangement
DOI: https://doi.org/10.5012/jkcs.2012.56.4.468

Abstract  |  Full Text: PDF


473  

Preparation and Drug-releasing Properties of Chitosan-based Thermosensitive Composite Hydrogel
Heping Li*, Tao Yu, Shan Li, Long Qin, Jingheng Ning
Keywords: Chitosan, Acrylic acid, Microwave heating, Thermosensitive hydrogel, Drug releasing
DOI: https://doi.org/10.5012/jkcs.2012.56.4.473

Abstract  |  Full Text: PDF


478  

Preparation of Fe3O4/SiO2 Core/Shell Nanoparticles with Ultrathin Silica Layer
Eue Soon Jang*
Keywords: Reverse microemulsion procedure, Fe3O4/SiO2 nanoparticles, Silica thickness, Water-to-surfactant ratio, Fe3O4 concentration
DOI: https://doi.org/10.5012/jkcs.2012.56.4.478

Abstract  |  Full Text: PDF


484  

Preparation, Characterization and Catalytic Activity of Tin Dioxide and Zero-Valent Tin Nanoparticles
H R Pouretedal*, A Shafeie, M H Keshavarz
Keywords: SnO2, Sn, Nanoparticles, Methylene blue, Photocatalyst
DOI: https://doi.org/10.5012/jkcs.2012.56.4.484

Abstract  |  Full Text: PDF


491  

Analysis of Instructional and Evaluational Objectives in Chemistry I Textbooks
화학 I 교과서의 학습 목표 및 평가 문항 분석
HyunJu Park*, Jeong Ju Bea, Kye Seung Jo
Keywords: Klopfer’s taxonomy of educational objectives, Chemistry I, 2009 Revised curriculum, Textbook
DOI: https://doi.org/10.5012/jkcs.2012.56.4.491

Abstract  |  Full Text: PDF


500  

The Impact of Multimodal Representation-based Lesson on Embeddedness of Multimodal Representation in High School Students' Writing
고등학생들의 글쓰기에서 나타난 다중 표상의 내재성에 미치는 다중 표상 수업의 효과
Jeong Hee Nam, Dong Won Lee*, Young Ho Nam
Keywords: Multimodal representation, Multimodal representation-based lesson, Embeddedness
DOI: https://doi.org/10.5012/jkcs.2012.56.4.500

Abstract  |  Full Text: PDF


509  

An Analysis of Gender-Role Stereotyping in the Illustrations of Middle School Science Textbooks Developed under the 2007 Revised National Curriculum
2007 개정 교육과정에 의한 중학교 과학 교과서의 삽화에 나타난 성역할 고정관념 분석
Jiyeon You, Jihyeon Lee, Junmo Jo, Taehee Noh*
Keywords: Illustration, Gender-role stereotyping, Middle school science textbook, 2007 Revised National Curriculum
DOI: https://doi.org/10.5012/jkcs.2012.56.4.509

Abstract  |  Full Text: PDF


518  

Analysis of the Level of Cognitive Demands about Concepts of Elements, the Periodic Table, and Atoms on Science 2 Textbooks in Junior High School (I)
중학교 과학2 교과서에 서술된 원소, 주기율표, 원자 내용이 요구하는 인지 수준 분석(제I보)
Soonhee Kang*, Dami Bang, Sun Jung Kim
Keywords: Periodic table, Element, Atom, CAT
DOI: https://doi.org/10.5012/jkcs.2012.56.4.518

Abstract  |  Full Text: PDF


530  

Evaluation of Microarray Sensitivity for DNA Profiling
Joo Woon Lee*
Keywords: Microarray, DNA array, Bioassay, Diagnostics
DOI: https://doi.org/10.5012/jkcs.2012.56.4.530

Abstract  |  Full Text: PDF