DIRECT DETERMINATION OF NICOTINE IN ANTISMOKING PHARMACEUTICAL PRODUCTS AND IN TOBACCO USING AN INHIBITION BIOSENSOR

Luigi Campanella Department of Chemistry, University of Rome ‘La Sapienza’ P.le Aldo Moro, Roma, 5 - 00185, Italy

Gabriele Favero Department of Chemistry, University of Rome ‘La Sapienza’ P.le Aldo Moro, Roma, 5 - 00185, Italy

Mauro Tomassetti Department of Chemistry, University of Rome ‘La Sapienza’ P.le Aldo Moro, Roma, 5 - 00185, Italy

Abstract

A bienzymatic inhibition biosensor, consisting of a hydrogen peroxide amperometric electrode coupled to a functionalised nylon membrane chemically bonding the enzymes butyrylcholinesterase and choline oxidase and using butyrylcholine as substrate, was prepared and tested for the analysis of nicotine. The system was applied to the analysis of several pharmaceutical formulations containing nicotine used to treat addiction and to determine the nicotine content of different types of commercial tobacco.

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ACKNOWLEDGMENT

Work carried out with the financial support of Consiglio Nazionale delle Ricerche (CNR) of Italy, Target Project MADESS and Consorzio Interuniversitario Nazionale ‘La Chimica per l'Ambiente’ (INCA).

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DIRECT DETERMINATION OF NICOTINE IN ANTISMOKING PHARMACEUTICAL PRODUCTS AND IN TOBACCO USING AN INHIBITION BIOSENSOR

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DIRECT DETERMINATION OF NICOTINE IN ANTISMOKING PHARMACEUTICAL PRODUCTS AND IN TOBACCO USING AN INHIBITION BIOSENSOR

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ACKNOWLEDGMENT

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