■　REVIEWS

Investigating Neuronal Activity with Planar Microelectrode Arrays: Achievements and New Perspectives.
Fabrice O. Morin, Yuzuru Takamura, and Eiichi Tamiya

Immunological Functions of Soy Sauce: Hypoallergenicity and Antiallergic Activity of Soy Sauce.
Makio Kobayashi

Conjugated Fatty Acids in Food and Their Health Benefits.
Koji Nagao and Teruyoshi Yanagit

In vivo Directed Evolution for Thermostabilization of Escherichia coli Hygromycin B Phosphotransferase and the Use of the Gene as a Selection Marker in the Host-Vector System of Thermus thermophilus.
Akira Nakamura, Yasuaki Takakura, Hideo Kobayashi, and Takayuki Hoshino

Amylase Production in Solid State Fermentation by the Thermophilic Fungus Thermomyces lanuginosus.
Adinarayana Kunamneni, Kugen Permaul, and Suren Singh

Importance of Terminal Residues on Circularly Permutated Escherichia coli Alkaline Phosphatase with High Specific Activity.
Miki Kojima, Keiichi Ayabe, and Hiroshi Ueda

Enhancement of Thermostability of Kojibiose Phosphorylase from Thermoanaerobacter brockii ATCC35047 by Random Mutagenesis.
Takuo Yamamoto, Kazuhisa Mukai, Hiroshi Yamashita, Michio Kubota, Shigeharu Fukuda, Masashi Kurimoto, and Yoshio Tsujisaka

BREWING AND FOOD TECHNOLOGY

Identification of 2,4,6-Trichloroanisole (TCA) Causing a Musty/Muddy Off-Flavor in Sake and Its Production in Rice Koji and Moromi Mash.
Atsushi Miki, Atsuko Isogai, Hitoshi Utsunomiya, and Hiroshi Iwata

Production of L-Sorbitol from L-Fructose by Aureobasidium pullulans LP23 Isolated from Soy Sauce Mash.
Hiroyuki Sasahara and Ken Izumori

ENVIRONMENTAL BIOTECHNOLOGY

Upgrading of Anaerobic Digestion by Incorporating Two Different Hydrolysis Processes. Chulhwan Park,
Chunyeon Lee, Sangyong Kim, Yu Chen, and Howard A. Chase

Characteristics of Ammonium Removal by Heterotrophic Nitrification-Aerobic Denitrification by Alcaligenes faecalis No.4.
Hung-Soo Joo, Mitsuyo Hirai, and Makoto Shoda

Flocculating Activity of Cross-linked Poly-γ-Glutamic Acid against Bentonite and Escherichia coli Suspension Pretreated with FeCl₃ and Its Interaction with Fe³⁺.
Makoto Taniguchi, Kouji Kato, Osamu Matsui, Xu Ping, Hirokazu Nakayama, Yoshinosuke Usuki, Akio Ichimura, Ken-ichi Fujita, Toshio Tanaka, Yutaka Tarui, and Eiji Hirasawa

Arsenic Extraction from Solid Phase Using a Dissimilatory Arsenate-Reducing Bacterium.
Shigeki Yamamura, Norifumi Yamamoto, Michihiko Ike, and Masanori Fujita 　

BIOCHEMICAL ENGINEERING

Photodecolorization of Azo Dyes by Extracellular Metabolites under Fluorescent Light and Influence of Operational Parameters.
Jinglan Hong, Hiroko Emori, and Masahiro Otaki

METHODS

Transponder-Based Sensor for Monitoring Electrical Properties of Biological Cell Solutions.
Mirko C. Hofmann, Frank Kensy, Jochen Buchs, Wilfried Mokwa, and Uwe Schnakenberg

Effect of γ-Irradiation on the Molecular Properties of Bovine Serum Albumin.
Mohamed H. Gaber

Adaptor Polymerase Chain Reaction for Single Molecule Amplification.
Michihiko Nakano, Jun Komatsu, Hirofumi Kurita, Hachiro Yasuda, Shinji Katsura, and Akira Mizuno