Research Article

SPR Biosensing MUA/Poly-L-lysine Platform for the Detection of 2,4-Dinitrophenol as Small Molecule Model System

Table 1

SPR signal inhibition of anti-DNP at different working concentrations when the antibody in solution is preincubated during 20 minutes with DNP 2 mM and the mixture is injected over Au-MUA-PLL-DNP (results correspond to sensor surfaces after 6 days of preparation).

Antibody concentrationSPR signal inhibition

47.5 nM60%
38 nM70%
19 nM82%