Abstract
To functionalize chitin surfaces using proteins, we developed a glucose oxidase (GOD)-chitin/platinum-modified glassy carbon paste electrode (GCPE) as a model. In a weakly acidic solution, negatively charged GOD were immobilized by the protonated acetylamide groups on chitin. When the electrode was immersed in a solution containing GOD, the enzyme was readily immobilized due to the electrostaic interaction. In addition, measurements were performed using electrodes made with powders of different sizes because sensor performance depends on the particle sizes of glassy carbon powder.
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Sugawara, K., Yugami, A., Terui, N. et al. Electrochemical Study of Functionalization on the Surface of a Chitin/Platinum-modified Glassy Carbon Paste Electrode. ANAL. SCI. 25, 1365–1368 (2009). https://doi.org/10.2116/analsci.25.1365
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DOI: https://doi.org/10.2116/analsci.25.1365