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The successful development and analytical performances of two biosensor configurations based on the entrapment of algal cells of Chlorella vulgaris into either a regular alginate gel or a newly synthesized pyrrole‐alginate matrix are reported. These biosensors were compared in terms of their amperometric current measurements to p ‐nitrophenyl phosphate when used as substrate for the detection of an algal alkaline phosphatase activity. The high stability of the pyrrole‐alginate gel when compared to that of the alginate coating is herein demonstrated.
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Ionescu et al. (2006) studied this question.
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