Amperometric Glucose Biosensor Based on Immobilization of Glucose Oxidase in Polyethylenemine and Poly (carbamolylsuphonate) Polymer Matrix
A low cost, easy to fabricate, simple to operate, portable and disposable biosensor based upon the enzyme glucose oxidase (GOD) has been developed. A polymer matrix of Polyethylenemine (PEI) and Poly Carbamoylsulphonate (PCS) hydrogel has been used for the immobilization of GOD on a Platinum (Pt) ti...
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| Veröffentlicht in: | Sensors & transducers 2010-08, Vol.119 (8), p.129-129 |
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| container_title | Sensors & transducers |
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| creator | Trivedi, U B Lakshminarayana, D Kothari, I L Patel, N G Kapse, H N Patel, P B Panchal, C J |
| description | A low cost, easy to fabricate, simple to operate, portable and disposable biosensor based upon the enzyme glucose oxidase (GOD) has been developed. A polymer matrix of Polyethylenemine (PEI) and Poly Carbamoylsulphonate (PCS) hydrogel has been used for the immobilization of GOD on a Platinum (Pt) tip of a screen printed graphite electrode. A multi channel potentiostat has been utilized in the electrode configuration for the amperometric measurement of glucose. The developed Pt/PCS+PEI/GOD glucose biosensor system could offer a reliable method of glucose determination in standard stock solutions. The designed glucose bio-sensor system has been duly characterized and the results obtained are presented. The biosensor has been found to show a sensitivity of 0.72 ± 0.15 nA/µM. Also, the specificity of the enzyme electrode and the storage stability of the GOD based biosensor system have been studied. The sensor system has also been tested with the real samples of fruit juice, son drink and human blood. The biosensor system has been found to possess a potential for food analysis and clinical utility. [PUBLICATION ABSTRACT] |
| format | Article |
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A polymer matrix of Polyethylenemine (PEI) and Poly Carbamoylsulphonate (PCS) hydrogel has been used for the immobilization of GOD on a Platinum (Pt) tip of a screen printed graphite electrode. A multi channel potentiostat has been utilized in the electrode configuration for the amperometric measurement of glucose. The developed Pt/PCS+PEI/GOD glucose biosensor system could offer a reliable method of glucose determination in standard stock solutions. The designed glucose bio-sensor system has been duly characterized and the results obtained are presented. The biosensor has been found to show a sensitivity of 0.72 ± 0.15 nA/µM. Also, the specificity of the enzyme electrode and the storage stability of the GOD based biosensor system have been studied. The sensor system has also been tested with the real samples of fruit juice, son drink and human blood. The biosensor system has been found to possess a potential for food analysis and clinical utility. 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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection |
| subjects | Aqueous solutions Biosensors Chemicals Diabetes Disease Enzymes Field study Fruit juices Hospitals Hydrogels Methods Monitoring systems Polymers Sugar |
| title | Amperometric Glucose Biosensor Based on Immobilization of Glucose Oxidase in Polyethylenemine and Poly (carbamolylsuphonate) Polymer Matrix |
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