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ALGAE TOXIMETER - A BIOSENSOR FOR WATER MONITORING
Noack, Udo Boenisch, Joachim Schneider, Thomas
Noack, Udo
Boenisch, Joachim
Schneider, Thomas
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Issue Date
1989
Submitted date
2024-01-16
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Abstract
An algae toximeter - a novel automated biosensor - is presented that is applied as a rapid indicator of herbicides in rivers, lakes and waste water. The apparatus functions continously in the control station and transmits the measuring results via data telecommunication to a host computer. The opto-electronic unit of the biosensor detects immediately the chlorphyl]l-fluorescence emission from the algae which have been contaminated by the water being tested. Due to the influence of substances in the water which are toxic to algae, in particular due to the influence of herbicides (electron transport blockers), a measurable increase in the chlorophyll-fluorescence emmision can be observed. This apparatus can also be used, as a laboratory version, in the screening to exotoxicological substances.
Citation
Biosensors : applications in medicine, environmental protection and process control, 243 - 246
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Type
Book chapter
conference paper
conference paper
Language
en
Description
Series/Report no.
GBF monographs ; Volume 13
ISSN
0930-4320
EISSN
ISBN
3527280324
0895739550
0895739550
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License
Attribution-NonCommercial-ShareAlike 4.0 International