Fig. 4From: PAMAM/polyhedral nanogold-modified probes with DNAase catalysis for the amperometric electrochemical detection of metastasis-associated lung adenocarcinoma transcript 1CVs of electrodes tested step by step in a 5âmM [Fe(CN)6]3â/4- solution containing 0.1âM KCl (pHâ7.4): a, bare GCE; b, deposition of SWCNHs; c, SWCNH/nano-Au; d, SWCNH/nano-Au/CP; e, SWCNH/nano-Au/CP/HT; f, SWCNH/nano-Au/CP/HT/MALAT1Back to article page