ON THE CORRELATION OF NETWORK PROPERTIES OF POLYMER MATRIXES WITH PARAMETERS OF ELECTROCHEMICAL BIOSENSORS
DOI:
https://doi.org/10.32782/2450-8640.2024.1.11Keywords:
polymers, positron annihilation, free volume, crosslinking, biosensorsAbstract
In the present work, the influence of organic-inorganic ureasil polymers with different precursors (ICPTES+Jeffamine ED-600 and ICPTES+APTES) on bioanalytical properties of electrochemical biosensors was studied. The parameters of the constructed biosensors were estimated using cyclic voltammetry and chronoamperometric measurements. The network properties (free volume and crosslinking) of the investigated polymers, earlier studied using positron annihilation lifetime spectroscopy technique and swelling measurements, were taken into account for comparative analysis. A correlation of network properties of polymer matrixes with parameters of electrochemical biosensors was found in a good agreement with the previously reported data for ureasil composites of different prehistory (fresh and aged samples) and photocross-linked polymers based on epoxidized linseed oil (ELO). It is concluded that the above mentioned correlation has fundamental origin.
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