Wavelet transformation of amperometric algal biosensor response.
Wavelet transformation was applied as a noise elimination method of an amperometric algal biosensor.  The drift of the baseline current was clearly removed by using the wavelet transformation.  The S/N ratio, calculated by the power spectrum density, is about 3-times larger than that calculated by the current response.  The response to a herbicide, atrazine, calculated from the power spectrum density in high-noise circumstance, was the same as that calculated from the current response in a low-noise circumstance.
Department of Pure and Applied Chemistry, Faculty of Science and Technology, Tokyo University of Science, Noda, Chiba, Japan. shitanda@rs.noda.tus.ac.jp
Isao
I
Shitanda
Saki
S
Terada
Yoshinao
Y
Hoshi
Masayuki
M
Itagaki
D015374:Biosensing Techniques / Q000295:instrumentation / Q000379:methods*; D048408:Chlorella vulgaris; D004553:Electric Conductivity; D004563:Electrochemistry / Q000295:instrumentation / Q000379:methods*; D058067:Wavelet Analysis