Abstract
Ureasil and ureasil-chalcogenide glass composites of different history (fresh and aged during 1 year) were used for the immobilization of laccase and the construction of amperometric biosensors. A correlation between the microscopical free-volume of the polymer matrices as revealed by low-temperature positron annihilation lifetime spectroscopy and biosensor characteristics of the laccase-containing ureasil based biosensors is established. The observed findings could be applied for improvement of the operational parameters of the constructed biosensors, which may have potential for monitoring the level of pollution of wastewater.
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Acknowledgments
This work was supported by the Ministry of Education and Science of Ukraine (projects Nos. 0116U004737; to TK, OS, MG and YK, and 0117U007142 (for Young Scientists; to YK), by the Slovak Grant Agency VEGA (project No. 2/0157/17; to OŠ) and Slovak Research and Development Agency (project No. APVV-16-0369; to OŠ and HŠ) and by the National Science Fund of the Bulgarian Ministry of Education (project No. FNI-DN09/12-2016; to TK, TP, VB and VI).
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Kavetskyy, T.S. et al. (2018). Ureasil-Based Polymer Matrices As Sensitive Layers for the Construction of Amperometric Biosensors. In: Petkov, P., Tsiulyanu, D., Popov, C., Kulisch, W. (eds) Advanced Nanotechnologies for Detection and Defence against CBRN Agents. NATO Science for Peace and Security Series B: Physics and Biophysics. Springer, Dordrecht. https://doi.org/10.1007/978-94-024-1298-7_30
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DOI: https://doi.org/10.1007/978-94-024-1298-7_30
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