Fig. 7

(a-1) and (b-1) Two-dimensional in-situ sensogram measurements including ligand immobilization and bacteria detection steps for \(\Psi\) and \(\Delta\), respectively. (a-2) and (b-2) Cross sections of \(\Psi\) and \(\Delta\) spectra, respectively. (a-3) and (b-3) Three-dimensional in-situ sensogram measurements for \(\Psi\) and \(\Delta\), respectively.