Fig. 9: Hierarchical nanochannel membrane for biosensing.
From: Hierarchically engineered nanochannel systems with pore-in/on-pore structures
a nanochannel−ion channel hybrid AAO membrane for use in protein sensing. b I‒V curves of the membrane in different states. c I‒V curves of the aptamer-modified membrane under different concentrations of thrombin. d Ionic current at +0.8 V vs. different concentrations of thrombin from buffer solution and human plasma, respectively. Reproduced with permission87. Copyright 2019, American Chemical Society. e Hierarchical nanochannel membrane possessing pores for sieving and nanochannels for biosensing. Cyclic voltammetry curves of this membrane for detecting glucose (f) and the cancer biomarker α-fetoprotein (g). Reproduced with permission88. Copyright 2020, Wiley-VCH.
