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Sandwich Biobattery with Enzymatic Cathode and Zinc Anode Integrated with Sensor

Abstrakt

Carbon paper covered with side-naphthylated multi walled carbon nanotubes was used as the conducting support for the construction of a biocathode in a hybrid biofuel cell. Laccase Carrena unicolor enzyme was employed as the catalyst for the 4e reduction of oxygen and a zinc disc covered with hopeite was used as the anode. Derivatized carbon nanotubes increase the working surface of the electrode and provide direct contact with the active sites of laccase. Biobattery characteristics under externally applied resitance, and power-time dependencies under flow cell conditions were evaluated. The system including the sandwich biobattery powering a dedicated two-electrode minipotentiostat with a simple sensor electrode was employed for monitoring a model neurotransmitter-catechol. The biobattery-powered sensor yielded the oxidation currents linearly dependent on catechol concentration in the range 0-2nM and with a correlation coefficient of 0,998. This type of biobattery with lacase as the cathode catalyst can be integrated with analytical devices and power them even in long time monitoring experimants

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
JOURNAL OF THE ELECTROCHEMICAL SOCIETY nr 162, wydanie 6, strony 555 - 559,
ISSN: 0013-4651
Język:
angielski
Rok wydania:
2015
Opis bibliograficzny:
Majdecka D., Draminska S., Stolarczyk K., Kizling M., Krysinski P., Golimowski J., Biernat J., Bilewicz R.: Sandwich Biobattery with Enzymatic Cathode and Zinc Anode Integrated with Sensor// JOURNAL OF THE ELECTROCHEMICAL SOCIETY. -Vol. 162, iss. 6 (2015), s.555-559
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1149/2.0731506jes
Weryfikacja:
Politechnika Gdańska

wyświetlono 17 razy

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