ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 22, Number 1
BKCSDE 22(1)
January 20, 2001 

9  

Selective Derivatization of TPP on One Phenyl Ring by Nitration and Subsequent Nucleophilic Substitution of Hydrogen
Stanislaw Ostrowski, Young Key Shim
Keywords: Porphyrins, Nitrations, Carbanions, Vicarious nucleophilic substitution.

Abstract | Full Text: PDF

11  

DFT Studies on Binding of Pt(NH₃)₂Cl⁺ to Guanine
Gab-Yong Lee, Mee-Sook Jun
Keywords: DFT, Binding energy, Pt(NH3)2ClG+ complex.

Abstract | Full Text: PDF

13  

NAD⁺ Reduction by Ferrocyanide on the Surface of Bovine Heart Mitochondrion
Myung Hee Yu, Sang Jik Lee
Keywords: NADH, Ferrocyanide, Mitochondrion.

Abstract | Full Text: PDF

15  

Tolylamidoplatinum(II) Complex [Pt(2,6-(Ph₂PCH₂)₂C₆H₃)(NH(Tol-p))]: Regioselectivity in Addition of Acrylonitrile into the Pt-N Bond
Soonheum Park
Keywords: Arylamido platinum complex, Amine, Olefin, Hydroamination.

Abstract | Full Text: PDF

17  

Mononuclear Three-Coordinate Mercury(II)-Thiolate Complex: Synthesis and X-Ray Crystal Structure
Young-Youn Kim, Ha-Jin Lee, Hye Jin Nam, Dong-Youn Noh
Keywords: Mononuclear mercury(II)-thiolate complex, Model compound.

Abstract | Full Text: PDF

19  

Solvent Sublation of Trace Noble Metals by Formation of Metal Complexes with 2-Mercaptobenzothiazole
Young-Sang Kim, Je-Hyuk Shin, Yoon-seok Choi, Won Lee, Yong-Ill Lee
Keywords: Solvent sublation, Noble metals, Waste water, 2-Mercaptobenzothiazole (MBT), Graphite furnace atomic absorption spectrophotometry.

Abstract | Full Text: PDF

25  

Theoretical Studies on the Competitive S_N2 Reactions of O-Imidomethyl Derivatives of Phenols with OH^-
Chang Kon Kim, Dong Soo Chung, Chan Kyung Kim, Bon-Su Lee, Yeong-Jin Chung, Byung Choon Lee, Ikchoon Lee
Keywords: Competitive SN2, AM1-SM2.1, D-Imidomethyl Derivatives, TS-Solvation.

Abstract | Full Text: PDF

30  

Two Anhydrous Zeolite X Crystal Structures, Pd₁₈Tl₅₆Si₁₀₀Al₉₂O₃₈₄ and Pd₂₁Tl₅₀Si₁₀₀Al₉₂O₃₈₄
Bo Young Yoon, Mee Kyung Song, Seok Hee Lee, Yang Kim
Keywords: Structure, Zeolite X, Thallium, Palladium, Ion-exchange.

Abstract | Full Text: PDF

37  

Determination of Research Octane Number using NIR Spectral Data and Ridge Regression
Hoeil Chung, Hyeseon Lee, Chi-Hyuck Jun
Keywords: Near infrared spectroscopy, NIR, Multiple linear regression (MLR), Ridge regression, Collinearity, Gasoline, Research octane number (RON).

Abstract | Full Text: PDF

43  

A Simplified Phenomenological Theory of Viscosity for Liquid Metals
Wonsoo Kim, Tong-Seek Chair
Keywords: Theory of viscosity, Viscosity of liquid, Liquid metals.

Abstract | Full Text: PDF

46  

Effect of Poly(ethylene glycol) Grafting on Polyethylenimine as a Gene Transfer Vector in vitro
Jin Hee Choi, Joon Sig Choi, Hearan Suh, Jong Sang Park
Keywords: Polyethylenimine, Poly(ethylene glycol), Cytotoxicity, Gene delivery.

Abstract | Full Text: PDF

53  

Synthesis and Exchange Properties of Sulfonated Poly(phenylene sulfide) with Alkali Metal Ions in Organic Solvents
Won-Keun Son, Sang Hern Kim, Soo-Gil Park
Keywords: Sulfonated poly(phenylene sulfide), Thermostable ion exchanger, Equilibrium constants of ion exchange in organic solvents.

Abstract | Full Text: PDF

59  

Purification, Structure Determination and Biological Activities of 20(29)-lupen-3-one from Daedaleopsis tricolor (Bull. ex Fr.) Bond. et Sing.
Eun-Mi Kim, Hae-Ryong Jung, Tae-Jin Min
Keywords: Bioactive substance, Daedaleopsis tricolor.

Abstract | Full Text: PDF

63  

Efficiency Factors of Singlet Oxygen Generation from Core-Modified Expanded Porphyrin : Tetrathiarubyrin in Ethanol
Jeong-Hyon Ha, Gook Young Jung, Min-Sun Kim, Yang Hoon Lee, Koo Shin, Yong-Rok Kim
Keywords: Tetrathiarubyrin, Triplet state, Singlet oxygen, Photophysics, Photodynamic therapy.

Abstract | Full Text: PDF

68  

Identification of an Essential Tryptophan Residue in Alliinase from Garlic (Allium sativum) by Chemical Modification
Young Nam Jin, Yong-Hoon Choi, Chul-Hak Yang
Keywords: Alliinase active site, Tryptophan of alliinase.

Abstract | Full Text: PDF

77  

Functional Studies of Cysteine Residues in Human Glutathione S-Transferase P1-1 by Site-Directed Mutagenesis
Hee-Joong Park, Kwang-Soo Lee, Sung-Hye Cho, Kwang-Hoon Kong
Keywords: Cysteine residues, enzymatic properties, glutathione S-transferase, inhibition characteristics, substrate specificity, thermostability.

Abstract | Full Text: PDF

84  

Spectrophotometric Determination of Uranium(VI) with Pyrocatechol Violet in Surfactant Media
Chan-il Park, Hua-Zi Huang, Ki-Won Cha
Keywords: Uranium(VI), Pyrocatechol violet, Spectrophotometric determination.

Abstract | Full Text: PDF

87  

Binding Features of Ethidium Bromide and Their Effects on Nuclease Susceptibility of Calf Thymus DNA in Presence of Spermine
Chan Yong Lee, Hyeong-Won Ryu, Thong-Sung Ko
Keywords: Binding, DNA, Ethidium, Nuclease, Spermine.

Abstract | Full Text: PDF

90  

¹⁹F NMR Investigation of F₁-ATPase of Escherichia coli Using Fluoroaluminate Complex
Joonho Yoon, Joon Hyung Sohn, Hyean-Woo Lee, Byung-Il Yeh, Jong-Whan Choi, Seunho Jung, Hyun-Won Kim
Keywords: 19F NMR, Escherichia coli, F1-ATPase, Fluoroaluminate.

Abstract | Full Text: PDF

93  

Electronic Effect of Iron(III) Porphyrin Complexes on the Epoxidation of Cyclohexene: Epoxidation versus Hydroxylation
Mi Hee Lim, Sook Won Jin, Yoon Jung Lee, Gil-Ja Jhon, Wonwoo Nam, Cheal Kim
Keywords: Porphyrin, Epoxidation, Hydroxylation, Oxoiron.

Abstract | Full Text: PDF

97  

Inhibitory Activities of Flavanone Derivatives Isolated from Sophora flavescens for Melanogenesis
Tae Joung Ha, Min Suk Yang, Dae Sik Jang, Sang Uk Choi, Ki Hun Park
Keywords: Sophora flavescens, Kurarinone, Kushnol F, Melanogenesis, Tyrosinase inhibitor, Streptomyces bikiniensis.

Abstract | Full Text: PDF

100  

Phenylene Bridged Calix[6]arenes: Cesium Selective Ionophores
Seung Hyun Lee, Seung Whan Ko, Eun Jin Cho, Jong Chul Chun, Kye Chun Nam
Keywords: Calix[6]arene, Cesium, Ionophore.

Abstract | Full Text: PDF

103  

Synthesis and Crystal Structure of a Mn^II,III Mixed-Valence Cluster with the Decametallate Core Geometry
Bon-Kweon Koo, Uk Lee
Keywords: Structure, Decametallate, MnII,III cluster, Tris(hydroxymethyl)propane.

Abstract | Full Text: PDF

107  

Synthesis and Spectral Properties of [N-(2-Aminoethyl)-1,2-ethanediamine] (L-prolylglycinato)chromium(III) Perchlorate
Jong-Ha Choi, Yong Pyo Hong, Yu Chul Park, Sang Hak Lee, Keon Sang Ryoo
Keywords: Chromium(III) complex, Spectral properties, L-Prolylglycine

Abstract | Full Text: PDF

110  

Synthesis and Free Radical Polymerization of p-(2,2,3,3-Tetracyanocyclopropyl)phenoxyethyl Acrylate
Ju-Yeon Lee, Mi-Kyoung Jin
Keywords: p-(2,2,3,3-Tetracyanocyclopropyl)phenoxyethyl acrylate, Free radical polymerization, Piezoelectric chromophore, Glass transition temperature

Abstract | Full Text: PDF

113  

Synthesis, Crystal Structure, and Characterization of Copper(II) Acetate Complex
Bon Kweon Koo

Abstract | Full Text: PDF

117  

Effect of Transition Metal Cation on Multicomponent Bismuth Phosphate Catalyst in Propylene Ammoxidation
Tae-Sun Chang, Deug-Hee Cho, Dong-Koo Lee, Sock-Sung Yun
Keywords: Multicomponent bismuth phosphate, Propylene ammoxidation, Multiphase catalysts.

Abstract | Full Text: PDF

120  

Selective Oxidation of Methyl Substituted 1,3-Dimethyllumazine Derivatives with Nitric acid
Da-un Jung, Yeonhee Kim, Yonghan Kang, Daejin Baek
Keywords: Selective oxidation, 1,3-Dimethyllumazine-6-carboxylic acid, 1,3-Dimethyllumazine-7-carboxylic acid, 1,3,6-Trimethyllumazine-7-carboxylic acid.

Abstract | Full Text: PDF

123  

Simultaneous Quantitative Determination of Mono-, Di-, Tri-, Tetra-, and Penta-Saccharides in Yogurt Products by a Simple HPLC System with a Refractive Index Detector
Joung Ho Ko, Won Jo Cheong
Keywords: Saccharides, Yogurts, Determination by classes, HPLC, Refractive index detector.

Abstract | Full Text: PDF