Abstract − Analytical Sciences, 26(3), 371 (2010).
A Flow-through Electrochemiluminescence Sensor for Salt Stress on Rice Plants
Naoyoshi EGASHIRA,*,** Tsuyoshi YAMAMOTO,** Tomio ITANI,* Yoshiharu MITOMA,* and Taizo UDA**,***
*Department of Environmental Sciences, Faculty of Life and Environmental Sciences, Prefectral University of Hiroshima, Nanatsuka, Shobara, Hiroshima 727-0023, Japan
**CREST, Japan Science and Technology Agency (JST), Kawaguchi, Saitama 332-0012, Japan
***Department of Applied Chemistry, Faculty of Engineering, Oita University, Oita 870-1192, Japan
**CREST, Japan Science and Technology Agency (JST), Kawaguchi, Saitama 332-0012, Japan
***Department of Applied Chemistry, Faculty of Engineering, Oita University, Oita 870-1192, Japan
Cultivation of rice plants (Koshihikari, IR4595 and IR28) in 250 mmol/L NaCl over 16 days provided interesting profiles of responses on a flow-through electrochemiluminescence (ECL) system with tris(2,2′-bipyridine)ruthenium complex. Although some time lags were noted among these rice plants, the increment in the ECL responses was clearly observed on the 11th day. The obtained ECL response profiles were consistent with the proline profiles obtained by HPLC. Such consistensy demonstrated that the present ECL system would find a utility as a useful sensor for salt stress on rice plants.
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