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Fig. 8 | Nano Convergence

Fig. 8

From: Recent advances in nanomaterial-modified electrical platforms for the detection of dopamine in living cells

Fig. 8

a Schematic illustration representing the carboxylated polypyrrole nanotubes (CPNTs)/Aptamer-functionalised liquid-ion gated field-effect transistor (FET)-based DA sensor. b Amperometric test of various concentrations of dopamine with two types of tubular structured-aptasensors (CPNT1 and CPNT2). c Selectivity analysis of the CPNTs/aptamer-based sensor against interfering substances. d The amperometric response of the CPNTs/aptamer-based sensor for monitoring dopamine exocytosis at different KCl concentrations. With permission from [65]; Copyright 2020, Scientific reports

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