Analysis of Bioelectrical Potential When Plant Purifies Air Pollution(Bioelectronic and Sensor)(<Special Section>Recent Progress in Organic Molecular Electronics)

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概要

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• copyright(c)2004 IEICE許諾番号：07RB0174Some plants have air purification ability. This purification ability of plants is considered a promising method for indoor air purification because of the low cost and high purification performance. Therefore, several studies have been carried out to investigate the relationship between the air purification ability of plants and environmental conditions. Nevertheless, the purification mechanism and process have not been clarified yet. In this paper, we investigated the air purification process in plants by bioelectrical potential analysis using linear and nonlinear analysis methods. First, we showed that two types of plants have a high air purification ability ; Schefflera and Boston fern. Next, we measured AC bioelectrical potential during the purifying process of plants for pollutant gas. Then, we evaluated the power spectra of time series data of the bioelectrical potential. We found that the power spectra shifted to a lower level after gas injection over all frequencies. Thus, the higher power spectrum came from possible higher physiological activities of the plant. Finally, we introduced a nonlinear analysis method from the dynamical system theory. We transformed the time series data of the potential to a higher dimensional state space using a delay coordinate, which is often used in the field of nonlinear time series analysis. The results show that the orbits in the reconstructed state space have a large variation in gas injection. These experimental results suggest that the measurement of bioelectrical potential could become a useful method for evaluating the air purification ability of plants.

• 社団法人電子情報通信学会の論文
• 2004-12-01

著者

• Katsube Teruaki

  Faculty Of Engineering Saitama University

• Katsube Teruaki

  Faculty Of Engineering Saitama University:graduate School Of Science And Engineering Saitama Univers

• Ikeguchi Tohru

  Faculty Of Engineering Saitama University:graduate School Of Science And Engineering Saitama Univers

• Hasegawa Yuki

  Faculty of Pharmacy, Meijo University

• ASADA Shigehiro

  Faculty of Education, Saitama University

• Asada Shigehiro

  Faculty Of Education Saitama University

• Hasegawa Yuki

  Faculty Of Engineering Saitama University

• 長谷川 有貴

  Faculty of Engineering, Saitama University

• 浅田 茂裕

  Faculty of Education, Saitama University

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• Analysis of Bioelectrical Potential When Plant Purifies Air Pollution(Bioelectronic and Sensor)(Recent Progress in Organic Molecular Electronics)

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