Comparison between an inhibition enzymatic sensor and toxicity biosensors in the determination of polluting metal ions

被引:0
|
作者
Campanella, L [1 ]
Favero, G [1 ]
Mastrofini, D [1 ]
Piccinelli, L [1 ]
Tomassetti, M [1 ]
Torresi, A [1 ]
机构
[1] Univ Rome La Sapienza, Dipartimento Chim, I-00185 Rome, Italy
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D O I
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中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
In the present research two different types of biosensor were developed to heavy metal ion determination: a classical glucose oxidase inhibition biosensor and an immobilised cell toxicity biosensor using as transducer a CO2 gaseous diffusion electrode of the potentiometric type. A comparison was also made between the responses of these biosensors and those obtained in previous tests using a immobilised cell toxicity biosensor in which the transducer consisted of a O-2 gaseous diffusion electrode of the amperometric type.
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页码:687 / 696
页数:10
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