THE MATHEMATICAL DESCRIPTION OF THE POSSIBILITY OF THE ELECTROCHEMICAL DETECTION OF INSUBOSINE ON CONDUCTING POLYMER-BASED SULFOACIDS

Abstract

The possibility of Insubosin electrochemical determination on acid-group modified conducting polymers has been evaluated from the theoretical point of view. The correspondent mathematical model has been developed and analyzed by means of linear stability theory and bifurcation analysis. It was shown that the introduction of acid groups into the conducting polymer backbone makes more efficient the analyte immobilization, and that in general the modified conducting polymer is an excellent modifier for insubosin electrochemical determination. A base may be added in order to neutralize the general pH in the system, but not in excess, to avoid the electroanalytical inefficiency of steady-state stability. The possibility of the oscillatory and monotonic instability in this system has also been verified, and it was shown that it is more probable, than in general case, due to the possibility of the hydrogen bonding.