Ajinomoto Co., Ltd.

Fujitsu Corporation

Haruo Obana

Motohiko Hikuma

Shuichi Suzuki

Takeo Yasuda

Isao Karube

Tadashi Shirakawa

Takao Nakamura

Takashi Nakamura

Norihiro Nakamura

Takahiro Kuratani

Hirotaka Nishida

Hideshi Numata

Naohiro Hirota

Ichirou Ono

Takeshi Miki

Yasutsugu Morita

A communication device includes a radio frequency identification tag that performs a radio communication with a predetermined device. A first metal body has an electrical conductivity. A space adjustment unit is configured to adjust a space between the first metal body and the radio frequency identification tag. The first metal body is configured to be replaced with a second metal body, and when the first metal body is replaced with the second metal body, the space adjustment unit is configured to adjust a space between the second metal body and the radio frequency identification tag.

Communication device and communication method

The method of the present invention which relates to the measurement of the turbidity of a liquid media, is characterized by the following steps.

Method and apparatus for measuring the turbidity of liquid media

Electrochemical method for determining the concentration of a carbon source and L-amino acid in a fermentation medium or cultured broth by contacting a microbial electrode consisting of an oxygen-sensitive electrode or a carbon dioxide gas-sensitive electrode combined with fixed microbial cells of a microorganism capable of assimilating said carbon source or decarboxylating said L-amino acid with a sample solution and sensing electrically the rate of current decrease which is caused by the consumed oxygen in the solution in proportion to the concentration of carbon source; or the electric motive force which is caused by the liberation of carbon dioxide in the sample solution in proportion to the concentration of L-amino acid. Microbial electrodes and systems useful in carrying out the aforementioned method are disclosed.

System for determining the concentration of an L-amino acid in

Electrochemical method for determining the concentration of a carbon source and L-amino acid in a fermentation medium or cultured broth by contacting a microbial electrode consisting of an oxygen-sensitive electrode or a carbon dioxide gas-sensitive electrode combined with fixed microbial cells of a micro-organism capable of assimilating said carbon source or decarboxylating said L-amino acid with a sample solution and sensing electrically the rate of current decrease which is caused by the consumed oxygen in the solution in proportion to the concentration of carbon source; or the electric motive force which is caused by the liberation of carbon dioxide in the sample solution in proportion to the concentration of L-amino acid. Microbial electrodes and systems useful in carrying out the aforementioned method.

Method for determining the concentration of an L-amino acid in

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Kawasaki, Japan

Haruo Obana