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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 49, Number 3
JKCSEZ 49(3)
June 20, 2005 

 

247  

Theoretical Study for the Molecular Structures and Spectroscopic Properties of Various C7H7+ Isomers and Transition States Between Them
C7H7+ 양이온의 여러 이성질체들과 전이 상태들의 분자구조 및 분광학적 특성에 관한 이론적 연구
Chang-Ho Shin, Seung-Joon Kim*
Keywords: Tolyl, Benzyl, Tropylium, Ab initio, CCSD 계산 , Tolyl, Benzyl, Tropylium, Ab initio, CCSD Calculation
DOI: https://doi.org/10.5012/jkcs.2005.49.3.247

Abstract  |  Full Text: PDF


255  

Multiplex Polymerase Chain Reaction/Microchip Electrophoresis for the Rapid Detection of GMO in Soybean
유전자변형 대두의 빠른 검출을 위한 복합-중합효소연쇄반응/마이크로칩 전기영동법
Mira Park, Haeseong Lee, Seong Ho Kang*
Keywords: 유전자변형물질, 대두, 복합-중합효소연쇄반응/마이크로칩 전기영동 , GMO, Soybean, Multiplex Polymerase Chain Reaction/Microchip Electrophoresis (MPCR/ME)
DOI: https://doi.org/10.5012/jkcs.2005.49.3.255

Abstract  |  Full Text: PDF


261  

Synthesis and Characterization of some Hippurato Rare Earth Metal Complexes
Synthesis and Characterization of some Hippurato Rare Earth Metal Complexes
M.S. Refat*, S.M. Teleb, S.A. Sadeek, H.M. Khater, S.M. El-Megharbel
Keywords: 합성, infrared 스펙트라, TG, 1H NMR, 마뇨산(hippuric acid) , Synthesis, Infrared Spectra, TG, 1HNMR, Hippuric Acid
DOI: https://doi.org/10.5012/jkcs.2005.49.3.261

Abstract  |  Full Text: PDF


269  

Spectrophotometric Determination of Acidity Constants of Group B Vitamins in Different Ionic Strengths at 25±0.1 oC
Spectrophotometric Determination of Acidity Constants of Group B Vitamins in Different Ionic Strengths at 25±0.1 oC
J. Ghasemi*, S. Ghobadi, B. Abbasi, M. Kubista
Keywords: Vitamin B Group, Acidity Constants, DATAN, Distribution Diagrams, pKa Values, Ionic Strength , Vitamin B Group, Acidity Constants, DATAN, Distribution Diagrams, pKa Values, Ionic Strength
DOI: https://doi.org/10.5012/jkcs.2005.49.3.269

Abstract  |  Full Text: PDF


278  

High Performance Liquid Chromatographic Determination of Homocysteine and Cystathionine in Biological Samples by Derivatization with 6-Aminoquinolyl-N-Hydroxylsuccinimidyl Carbamate (AQC)
High Performance Liquid Chromatographic Determination of Homocysteine and Cystathionine in Biological Samples by Derivatization with 6-Aminoquinolyl-N-Hydroxylsuccinimidyl Carbamate (AQC)
Seong S. Seo*
Keywords: Homocysteine, Cystathionine, HPLC , Homocysteine, Cystathionine, HPLC
DOI: https://doi.org/10.5012/jkcs.2005.49.3.278

Abstract  |  Full Text: PDF


283  

Monitoring of the Optical Purity for Dexibuprofen by HPLC
HPLC에 의한 Dexibuprofen의 광학순도 모니터링
Jae Jeong Ryoo*, Mi-kyeong Jeon, Kyu Seong Huh, Jeong-A Kim, Jeong Gu Hwang, Gwi Im Mun, Hyeon Suk Oh
Keywords: 키랄 의약품, 이부프로펜, 덱시부프로펜, HPLC 분리, 상대표준편차, 광학순도 , Chiral Drugs, Ibuprofen, Dexibuprofen, HPLC Separation, Relative Standard Deviation, Optical Purity
DOI: https://doi.org/10.5012/jkcs.2005.49.3.283

Abstract  |  Full Text: PDF


288  

A New Method for the Synthesis of Heterocycles from o-Phenylenediamine
A New Method for the Synthesis of Heterocycles from o-Phenylenediamine
M. Kidwai*, S. Saxena, R. Mohan
Keywords: Microwave Irradiation (MWI), o-Phenylenediamine, Solventfree, Neat Synthesis , Microwave Irradiation (MWI), o-Phenylenediamine, Solventfree, Neat Synthesis
DOI: https://doi.org/10.5012/jkcs.2005.49.3.288

Abstract  |  Full Text: PDF


292  

A Scheme to Control Laser Power and Exposure Time for Fabricating Precise 3-Dimensional Microstructures Using Two-photon Polymerization
극미세 3차원 형상의 정밀제작을 위한 이광자 흡수 광중합 공정의 레이저 출력-조사시간 제어방법
Sang Hu Park, Tae Woo Lim, Dong-Yol Yang*, Hong Jin Kong, Kwang-Sup Lee
Keywords: 이광자 광중합, 복셀, 나노 스테레오리소그래피, 3차원 극미세 형상 제작 , Two-Photon Polymerization, Voxel, Nano-Stereolithography, 3-D Microstructures
DOI: https://doi.org/10.5012/jkcs.2005.49.3.292

Abstract  |  Full Text: PDF


300  

An Analysis of Science Teachers’ Faith on Inquiry Lessons and Their Science Classes
탐구 수업을 지향하는 과학 교사의 신념과 실제 수업 분석
Ae-Jin Paeng, Seoung-Hey Paik*
Keywords: 신념, 과학교사, 탐구 , Faith, Science Teacher, Inguiry
DOI: https://doi.org/10.5012/jkcs.2005.49.3.300

Abstract  |  Full Text: PDF


311  

The Effects of Formative Assessment-based Teaching and Learning Strategy on the Students’ Science Concept Understanding, Motivation and Metacognitive Ability in Middle School
형성평가를 이용한 교수-학습 전략이 중학교 학생들의 과학개념 이해, 학습동기, 메타인지 능력에 미치는 영향
Jeonghee Nam*, Junhwan Choi, Moonsuk Ko, Jaehong Kim, Soonmin Kang, Jaihang Lim, Youngtae Kong
Keywords: 형성평가, 상호작용, 피드백, 과학개념 이해, 학습동기, 메타인지 , Formative Assessment, Feedback, Science Concept Understanding, Motivation, Metacognitive Ability
DOI: https://doi.org/10.5012/jkcs.2005.49.3.311

Abstract  |  Full Text: PDF


321  

Hydroalumination of Alkenes and Alkynes with LiAlH4 Catalyzed by [C5(CH3)5]2TiCl2
[C5(CH3)5]2TiCl2를 촉매로 한 LiAlH4에 의한 Alkene 및 Alkyne의 수소화 알루미늄 첨가반응
Hyung Soo Lee*, Gab Yong Lee
Keywords: 수소화 알루미늄 첨가반응, 촉매, [C5(CH3)5]2TiCl2, 위치 선택성 , Hydroalumination, Catalyst, [C5(CH3)5]2TiCl2, Regioselectivity
DOI: https://doi.org/10.5012/jkcs.2005.49.3.321

Abstract  |  Full Text: PDF


325  

Electrochemical Determination of pH-Stability Curve of Enzyme
전기화학적 방법에 의한 효소의 pH 안정도곡선 도출
Kil-Joong Yoon*, Hyo-Shik Kwon, Beom-Gyu Lee
Keywords: 바이오센서, 과산화수소, 담배 과산화효소, 최적 산성도 , Biosensor, Hydrogen Peroxide, Tobacco Plant Peroxidase, Optimum pH
DOI: https://doi.org/10.5012/jkcs.2005.49.3.325

Abstract  |  Full Text: PDF


329  

Preparation of 1,2,3,4,5-Pentamethyl-1,3-diborole by the Rearrangement Reaction of 1,2,3,4-Tetra methyl-1,4-dibora-2-cyclohexene and its Cobalt Sandwich Complexes
1,2,3,4-Tetramethyl-1,4-dibora-2-cyclohexene의 전이반응에 의한 1,2,3,4,5-Pentamethyl-1,3-diborole의 제조와 코발트 샌드위치 착물
Jae-Kook Uhm*
Keywords: 1,2,3,4,5-Pentamethyl-1,3-Diborole 코발트 센드위치 착물 , 1,2,3,4,5-Pentamethyl-1,3-Diborole Cobalt Sandwich complexes
DOI: https://doi.org/10.5012/jkcs.2005.49.3.329

Abstract  |  Full Text: PDF


334  

Crystal Structure of Cholesteryl Ethyl Carbonate and Its Liquid Crystalline State
Cholesteryl Ethyl Carbonate의 결정구조와 액정상태에 관한 연구
Young Ja Park*
Keywords: 콜레스테롤 에틸 카보네이트, 결정구조, 액정상태 , Cholesteryl Ethyl Carbonate, Crystal Structure, Liquid Crystalline State
DOI: https://doi.org/10.5012/jkcs.2005.49.3.334

Abstract  |  Full Text: PDF