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Please use this identifier to cite or link to this item: http://purl.org/purl/1988

Title: PVC Supported Liquid Membrane and Carbon Paste Potentiometric Sensors Incorporating a Mn(III)-Porphyrin for the Direct Determination of Undissociated Paracetamol
Authors: Girish Kumar, Krishnapillai
Pajak, Marta
Radecki, Jerzy
Maes, Wouter
Dehaen, Wim
Radecka, Hanna
Keywords: Mn(III)-porphyrin
Carbon paste
Neutral guest
Issue Date: 2008
Publisher: WILEY Interscience
Abstract: PVC supported liquid membrane and carbon paste potentiometric sensors incorporating an Mn(III)-porphyrin complex as a neutral host molecule were developed for the determination of paracetamol. The measurements were carried out in solution at pH 5.5. Under such conditions paracetamol exists as a neutral molecule. The mechanism of molecular recognition between the Mn(III)-porphyrin and paracetamol, leading to potentiometric signal generation, is discussed.The sensitivity and selectivity toward paracetamol of carbon paste and polymeric liquid membrane electrodes incorporating an Mn(III)-porphyrin host were compared. The applicability of these sensors to the direct determination of paracetamol was checked by performing a recovery test in human plasma.
URI: http://dyuthi.cusat.ac.in/xmlui/purl/1988
Appears in Collections:Dr. K Girish Kumar

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