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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 56, Number 5
JKCSEZ 56(5)
October 20, 2012 

 

539  

Copper Catalyzed Selective Oxidation of Benzyl Alcohol to Benzaldehyde
Pradeep D Lokhande*, Smita R Waghmare, Harsh Gaikwad, P P Hankare
Keywords: Mild, Oxidation, Copper chloride, Selective oxidation, Allyl alcohols
DOI: https://doi.org/10.5012/jkcs.2012.56.5.539

Abstract  |  Full Text: PDF


542  

Electronic Properties of the Oxide Film and Anodic Oxidation Mechanism of Iron in Borate Buffer Solution
Borate 완충용액에서 철의 산화 반응구조와 산화피막의 전기적 특성
Hyun chul Kim, Younkyoo Kim*
Keywords: Iron, Oxide film, Semiconductor, Mott-Schottky
DOI: https://doi.org/10.5012/jkcs.2012.56.5.542

Abstract  |  Full Text: PDF


548  

Acoustic Studies on Different Binary Liquid Mixtures of LIX Reagents with Different Diluents
Susmita Kamila*
Keywords: Sound velocity, Solvent extractants, Schaaff’s collision factor theory, Nomoto’s relation, Van Dael & Vangeel ideal mixing relation
DOI: https://doi.org/10.5012/jkcs.2012.56.5.548

Abstract  |  Full Text: PDF


556  

Mixed Micellizations of TTAB with Other Surfactants (DTAB, CTAB, Tween-20, Tween-40, and Tween-80)
TTAB와 다른 계면활성제(DTAB, CTAB, Tween-20, Tween-40 및 Tween-80)와의 혼합미셀화에 대한 연구
Nam Min Lee, Byung Hwan Lee*
Keywords: Critical micelle concentration, Counter-ion binding constant, Mixed micellization, Solubilization, Non-ideal mixed micellar model
DOI: https://doi.org/10.5012/jkcs.2012.56.5.556

Abstract  |  Full Text: PDF


563  

Honeycomb Monolith Coated with Mo(VI)/ZrO2 as a Versatile Catalyst System for Liquid Phase Transesterificaiton
N Thimmaraju, S R Pratap, M Senthilkumar, S Z Mohamed Shamshuddin*
Keywords: Honeycomb monolith, Mo(VI)/ZrO2, Transesterification, Salol, Solid acids
DOI: https://doi.org/10.5012/jkcs.2012.56.5.563

Abstract  |  Full Text: PDF


571  

Development of HRP-modified Carbon Composite Biosensor and Electrochemical Analysis of H2O2
Horseradish peroxidase가 변성된 탄소복합 바이오센서 개발 및 전기화학적 H2O2분석
Deog Su Park*
Keywords: Sol-gel, Carbon composite, Horseradish peroxidase, Biosensor, Hydrogen peroxide
DOI: https://doi.org/10.5012/jkcs.2012.56.5.571

Abstract  |  Full Text: PDF


577  

Quinine Assay with Home-Built UV-LED Fluorometer: Quantitative Analysis, Photo-Bleaching, Fluorescence Quenching, and Urine Analysis
Tae Min Cheon, Byeong Seo Cheong, Han Gook Cho*, Jin Hee Kim, Kyoug Soo Kim
Keywords: Quinine, Fluorescence, UV-LED, Fluorescence quenching, Urine analysis
DOI: https://doi.org/10.5012/jkcs.2012.56.5.577

Abstract  |  Full Text: PDF


583  

Simultaneous Analysis of Pesticides in Aqueous Sample by HF-LPME
HF-LPME를 이용한 수용액 시료 내 농약의 동시 분석
Jang Woo Nam, Kang Jin Lee, Seung Woon Myung*
Keywords: Pesticides, HF-LPME, GC/MS
DOI: https://doi.org/10.5012/jkcs.2012.56.5.583

Abstract  |  Full Text: PDF


591  

Aluminium Salt of Phosphomolybdic Acid Fabricated by Nanocasting Strategy: An Efficient System for Selective Oxidation of Benzyl Alcohols
Hamid Aliyan*, Razieh Fazaeli*, Nasibeh Habibollahi
Keywords: Nanocasting, Mesoporous silica SBA-15, Green chemistry, Polyoxometalates (POMs)
DOI: https://doi.org/10.5012/jkcs.2012.56.5.591

Abstract  |  Full Text: PDF


597  

Effect of Isocyanate Group on the Physical Properties of Hydrogel Contact Lenses Containing Silane
실란을 포함한 친수성 콘택트렌즈의 물리적 특성에 대한 Isocyanate Group의 영향
A Young Sung*, Seon Ahr Cho, Tae Hun Kim
Keywords: Triacetoxyvinlysilane, Hexamethylene diisocyanate, Tensile strength
DOI: https://doi.org/10.5012/jkcs.2012.56.5.597

Abstract  |  Full Text: PDF


603  

Synthesis of Perfluoroalkyl Alcohol, 3-(Perfluorooctyl)propan-2-ol, Using Two-Step Alcoholization
Nguyen Trung Hieu, Beomseok Tae*, Junseo Park, Kwang Nam Lee
Keywords: Perfluoroalkyl alcohol, Perfluoroalkyl iodide, Alcoholization, Fluorinated surfactant
DOI: https://doi.org/10.5012/jkcs.2012.56.5.603

Abstract  |  Full Text: PDF


609  

Characteristics of Barium Hexaferrite Nanoparticles Prepared by Temperature-Controlled Chemical Coprecipitation
Jun Young Kwak, Choong Sub Lee, Don Kim, Yeong Il Kim*
Keywords: Ba-Ferrite, Magnetic materials, Precipitation, Mossbauer spectroscopy, Magnetic properties
DOI: https://doi.org/10.5012/jkcs.2012.56.5.609

Abstract  |  Full Text: PDF


617  

Research on Pre-Service Science Teachers’ Understanding of and Problem-Solving Ability with Regard to Chemistry Concepts
예비 과학 교사의 화학 개념에 대한 이해도와 문제 해결 능력 조사
Won Ho Choi*, Hyeo Seon Yoon
Keywords: Pre-service science teacher, Misconception, Problem solving
DOI: https://doi.org/10.5012/jkcs.2012.56.5.617

Abstract  |  Full Text: PDF


628  

Analysis of Textbook Contents and Chemistry Teachers’ Cognition about Species of Strong Acid in Water
강산 수용액에서의 화학종에 대한 교과서 내용 및 화학 교사의 인식 분석
Hyung Suk Go, Kyung Eun Kim, Seoung Hey Paik*
Keywords: Strong acid in water, Chemistry textbook, Chemistry teacher, Degree of ionization
DOI: https://doi.org/10.5012/jkcs.2012.56.5.628

Abstract  |  Full Text: PDF


638  

Pre-service Teachers' Perceptions on the Seminar and a Case of the Development of Presentation Ability
예비 교사의 세미나 발표에 대한 인식 및 발표 능력 발달 사례
JaeYoung Han*, Jihyun Yoon
Keywords: Seminar presentation, Pre-service teacher, Perceptions on seminar, Presentation ability
DOI: https://doi.org/10.5012/jkcs.2012.56.5.638

Abstract  |  Full Text: PDF


648  

The Effects of Question Generating Strategy and Feedback on Science Achievement, Self-efficiency and Perception of the Class in Middle School
문제 생성 전략과 피드백이 중학생들의 과학 성취도, 자기 효능감 및 수업에 대한 인식에 미치는 영향
Seongbae Moon*, Mihey Kim, Jihwa Lee, Yoonseok Kim
Keywords: Question generating, Science achievement, Self efficiency, Perception of the class
DOI: https://doi.org/10.5012/jkcs.2012.56.5.648

Abstract  |  Full Text: PDF


658  

Microwave-acceleration of Carboxamides Formation Using Water Soluble Condensing Agent DMT-MM or DCCa
Nam Sook Cho*, Hye Jin Jeon, Dong Uk Heo
Keywords: Amide, DCC, 4-(4,6-Dimethoxy-13,5-triazin-2-yl)-4-methylmorpholinium chloride, Dicyclohexylcarbodiimide, Microwave
DOI: https://doi.org/10.5012/jkcs.2012.56.5.658

Abstract  |  Full Text: PDF


661  

Identification, Synthesis, and Biological Activities of Cyclic L-Prolyl-L-Tyrosine
Cyclic L-Prolyl-L-Tyrosine의 동정, 합성, 및 생물학적 활성
Sunghong Lee, Yong Pyo Hong*, Samyeol Seo, Yonggyun Kim, Jong Ha Choi
Keywords: Identification, Synthesis, Biological activities, Cyclic L-Pro-L-Tyr
DOI: https://doi.org/10.5012/jkcs.2012.56.5.661

Abstract  |  Full Text: PDF