B U N S E K I K A G A K U

Vol. 51 No. 9

September, 2002

Table of Contents

Research Papers

Molecular Species Analysis of Phosphatidylcholines by Reversed-Phase HPLC/Electrospray Ionization MS

Tomokazu Tajiri and Yutaka Itabashi 667

Determination of Thallium in Water by Electrothermal AAS with the Direct Injection of a Cellulose Nitrate Resin Suspension Used for Solid-Phase Extraction

Ryo Horiguchi, Isoshi Nukatsuka, Yutaka Shimizu, Shinya Sekikawa and Kunio Ohzeki 675

Design of a Podand Fluoroionophore and Its Recognition Function for Lead Ion

Masakazu Minagawa, Takashi Hayashita, Qing Dai, Richard A. Bartsch and Norio Teramae 681

Aggregation Property of Thermo-Sensitive Copolymers Having Polyamino Groups and Carboxyl Groups

Takeshi Shimada, Tokuo Shimizu and Nobuo Uehara 689

Retention of Transition Metal Ions Measured by Magnetic Chromatography

Kazunari Mitsuhashi, Ryozo Yoshizaki, Takeshi Ohara and Hitoshi Wada 697

Determination of Lactic Acid in Human Plasma by HPLC with Electrochemical Detection

Yuji Miyaguchi, Akira Kotani and Fumiyo Kusu 703

Refinement and Application of X-ray Diffraction Method as the Surface Roughness Analysis

Mikako Nakashima, Masao Kosaka and Hideki Monma 707

Effects of the Lewis Acidity of Organic Solvents on the Extractability of Europium(III) with β-Diketone and 1,10-Phenanthroline

Shinpei Tsusima, Izuru Matsubayashi and Yuko Hasegawa 715

Fluorometric Determination of Indium Using 2,2'-Bipyridine

Junichi Iwata, Masayuki Itagaki and Kunihiro Watanabe 721

Selective Adsorption of Metal ions on a Chelating Resin from Hydrochloric Acid and Its Application to the Analysis of High-Purity Zinc

Yuko Gorai, Koichi Oguma and Yu Komatsu 729

High-Frequency Spectroscopic Study on the Isomerization of a D-Glucose Aqueous Solution

Kazuhisa Sugiyama, Takaya Takei, Kayo Tachibana and Yoshinori Sugitani 735

Separation of Traces of Copper(II) from Iron(III) with 8-Quinolinol-Impregnated Emulsion Globules

Tomohiro Kageyama and Masataka Hiraide 741

Selective Uptake of Copper(II) Ions in Water by Chelating Agent-Impregnated Liposomes

Kazuyoshi Higuchi, Tohru Saitoh and Masataka Hiraide 745

Effects of Solvation on the Ion-Pair Extraction of 8-Quinolinol-5-sulfonic Acid with Tetrabutylammonium Cation Using the 1-Nonanol/Octane Mixed Solvents

Masakazu Hasegawa, Noriaki Furukawa, Tetsuyoshi Naito and Hiromichi Yamada 751

Relationship between the Solubility of Water in Organic Solvents and the Extraction Equilibrium

Ikuhiro Matsuoka, Tetsuyoshi Naito and Hiromichi Yamada 759

Fabrication of Planar Multipole Microelectrodes for Dielectrophoresis by Laser Ablation

Ikuhiro Ikeda, Satoshi Tsukahara, Hideaki Monjushiro and Hitoshi Watarai 767

Measurement of Laser-Photophoresis of a Single Microparticle Dispersed in a Liquid under Microgravity

Minori Tamagawa, Hideaki Monjushiro and Hitoshi Watarai 775

Evaluation of a Dioxime-Type Schiff Base-Poly (vinyl chloride) Membrane as a Silver-Ion Selective Electrode

Masato Ueda, Akiyo Komai, Keiichi Fujimori, Takayo Moriuchi-Kawakami and Yasuhiko Shibutani 779

Highly Sensitive Determination of Copper Ion with Newly Synthesized Water-Soluble Fluorescent Reagents Having a 1,8-Diaminonaphthalene-3,6-disulfonic Acid Skeleton

Kazuhiro Nomura, Mitsuko Oshima, Toshio Takayanagi and Shoji Motomizu 785

Determination of Trace Metal Impurities in Nickel and Iron Salts Using 2-(5-Nitro-2-pyridylazo)-5-(N-propyl-N-sulfopropyl-amino)phenol by Capillary Zone Electrophoresis

Takuji Kagawa, Toshio Takayanagi, Mitsuko Oshima and Shoji Motomizu 791

Effects of Thiol Capping Agents on the Laser-Induced Deposition of Gold Nanoparticles

Hironobu Takahashi, Yasuro Niidome and Sunao Yamada 797

Synthesis of F28 Tetraphenylporphyrin and Its Application to the Separation and Detection of Lithium(I)

Kenji Koyanagi and Masaaki Tabata 803

Technical Papers

Simple Method for Detection of Recombinant DNAs in Genetically Modified Soybeans

Hiroaki Sakamoto and Hiroshi Nakamura 809

ICP-MS Determination of Trace Amounts of Zinc, Copper, Lead and Bismuth in High-Purity Aluminum after Electrolytic Separation

Mikio Koyama and Tatsuhiko Tanaka 815

Determination of Traces of Arsenic and Selenium in Human Hair by Electrothermal Vaporization/ICP-MS

Hiroyuki Kurogouchi, Hideo Hayashi, Tomokazu Tanaka and Masataka Hiraide 821

Calibration Method for the Determination of Trace Amounts of Carbon in Steel by an Infrared Absorption Method after Combustion in a High-Frequency

Induction Furnace, Hiroki Koga and Michiko Ogata 825

Notes

Retention Behavior of Cationic Aluminium Chelate with o,o'-Dihydroxyazobenzene in HPLC Using the C₁₈-Bonded Silica Stationary Phase

Takashi Kurasawa, Takao Yotsuyanagi, Emiko Kaneko, Shingo Saito, Suwaru Hoshi and Kunihiko Akatsuka 833

Thin Layer Chromatographic Behavior of a Lanthanum-Alizarin Complexone-Fluoride Ternary Complex

Shingo Arasaka, Emiko Kaneko, Shingo Saito, Suwaru Hoshi and Kunihiko Akatsuka 837

Extractive Spectrophotometric Method for Boron in Steel Samples without Regulated Organic Solvents

Ayako Yamazaki, Yohichi Ishibashi, Limin Yang, Yoko Aiba and Kin-ichi Tsunoda 841

Isomer Effects of Bipyridyl on the Synergistic Extraction of Europium(III) with β-Diketone and Bipyridyl

Norihito Sekishita and Yuko Hasegawa 845

Simple Determination of Nonionic Surfactants Using an Ion Association Reaction

Yasufumi Takatori, Norio Teshima and Tadao Sakai 849

Contribution of m-Aminophenylboronate Derivatives to the LC/MS Analysis of Diol Compounds

Hiroki Saitoh and Keiji Gamoh 853

The Speciation of Mercury in Sediments from Kagoshima Bay and Minamata Bay, Southern Kyusyu, Japan, by Fractional Extraction/Cold-Vapor AAS

Tomomi Eguchi and Takashi Tomiyasu 859

Technical Letters

Evaluation of an Electrochemically Sharpened STM Tip by Means of a Tunnel-Current to Tunnel-Gap-Width Dependence Measurement

Mizue Takahashi, Masahiro Takahashi and Kazuo Miyamura 865

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