ENO2 and small cell lung carcinoma: In addition to the immunosensors discussed so far, Table 2 summarizes analytical information for other multiplexed immunosensing designs using labels of graphene sheets tagged with THI, Co(bpy)33+ and Fc redox probes for the determination of AFP, CEA and streptococcussuis serotype 2 (SS2) [54], or AuNPs-modified Prussian blue (or nickel hexacyanoferrates) for PSA and free PSA [55], as well as liposomes with encapsulated ascorbic acid (AA) and uric acid (AU) for monitoring neuron-specific enolase (NSE) and pro-gastrin-releasing peptide (ProGRP), two biomarkers for small cell lung cancer [56].