Doping of traditional, hydrophobic plasticized polymeric membranes by SP intuitively seems as the simplest solution for its utilization in chemical sensors.
Unfortunately, the MCform is significantly more polar then SP [22] which makes it prone to leaching out of the membrane.
Over the years, covalent attachment of sensing
components emerged as an attractive solution for the problem of their insufficient retention [23].
We have earlier demonstrated that
modified SP can be attached to activated polymethylmethacryllic (PMMA)-based surface binding sites with full preservation of the
ability of SP to switch between the active and passive form and detection of Co2+ while in active form [16].
In light of our attempts for simplification of sensing platform, it is important to note that
the switching can be achieved using simple LEDs [24]. In order to use SP in the vision of simple, self-regenerated sensors, it is critical
to demonstrate the reversibility of switching between the active and passive form as well as the complete regeneration of sensing film and return to the original, pre-sensing state.
Doping of traditional, hydrophobic plasticized polymeric membranes by SP intuitively seems as the simplest solution for its utilization in chemical sensors.Unfortunately, the MCform is significantly more polar then SP [22] which makes it prone to leaching out of the membrane. Over the years, covalent attachment of sensingcomponents emerged as an attractive solution for the problem of their insufficient retention [23].We have earlier demonstrated thatmodified SP can be attached to activated polymethylmethacryllic (PMMA)-based surface binding sites with full preservation of theability of SP to switch between the active and passive form and detection of Co2+ while in active form [16]. In light of our attempts for simplification of sensing platform, it is important to note thatthe switching can be achieved using simple LEDs [24]. In order to use SP in the vision of simple, self-regenerated sensors, it is criticalto demonstrate the reversibility of switching between the active and passive form as well as the complete regeneration of sensing film and return to the original, pre-sensing state.
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