BUNSEKI KAGAKU

Vol. 60 No. 4

April, 2011

Table of Contents

Annual Topic “Earth” : Research Papers
Simultaneous Determination of Trace Elements in Soils and Sediments by Polarizing Energy Dispersive X-ray Fluorescence Spectrometry
Shin-ichi YAMASAKI, Hisaya MATSUNAMI, Akira TAKEDA, Kazuhiko KIMURA, Isao YAMAJI, Yasumasa OGAWA and Noriyoshi TSUCHIYA 315
Accounts
High-Speed Local Heating Microdevices Enable Analysis of Biomolecular Behavior on Millisecond Time Scale
Hideyuki ARATA and Hiroyuki FUJITA 325
Research Papers
ODS Column Extraction of Indonaphthol Blue Combined with Spectrophotometry for the Determination of Ammonia Nitrogen
Takashi SHOJI and Eiko NAKAMURA 333
Highly Sensitive Visual Colorimetry for Chromium(VI) by Ion-Pair Solid-Phase Extraction on a PTFE-Type Membrane Filter
Takahiro WATANABE, Hitoshi MIZUGUCHI and Junichi SHIDA 339
Solar Photocatalytic Degradation of Dicamba in Aqueous Solution and Its Mechanism
Kiyoyuki EGUSA, Satoshi KANECO, Yuka KAWAMOTO, Hideyuki KATSUMATA, Tohru SUZUKI and Kiyohisa OHTA 345
Notes
Electrochemical Evaluation of Protein-Ligand Binding Using an Electrode Covered with Chitin-Chitosan Film
Kazuharu SUGAWARA and Asako YUGAMI 353
Determination of Bismuth in Environmental Samples by ICP-MS and Basic Examination of Cell Toxicity for Their Compounds
Jun KOBAYASHI, Hiroshi TERADA, Hideo SUGIYAMA, Takehisa MATSUKAWA, Momoko CHIBA and Kazuhito YOKOYAMA 357
Analytical Reports
Visual Microplate Method with Color Changing Reactions used in Titrations
Atsushi MANAKA, Manami ISHIBASHI, Aya NAKAYAMA, Aya NAKAYAMA, Miho NODA, Takeshi KATO and Shukuro IGARASHI 363
Simple Identification of Brominated Flame Retardants in Polymeric Materials by HPLC with Ultrasonic Extraction
Yukio KITADA, Masaki NAKAGOMI, Hiroko UESUGI and Masumi KIMURA 367