Table 1

Contact angle (°)				Surface energy components (mJ/m2)
Surface	Water	Formamide	Diiodo- methane	γ^LW	γ^AB	γ⁺	γ^-	γ^Total
Bare Au	71.7	31.4	31	43.8	5.6	2.4	3.3	49.4
Au /NPs-(PAH-PSS)₃/PAH	93.0	43.3	43.1	40.1	9.0	8.6	3.2	41.2
Au/ NPs-(PAH-PSS)₃/PAH-Proteus mirabilis	39.1	43.0	37.5	40.8	0.3	0	47.9	41.2

Table 1: Contact angles and surface energy components of the bare and the modified Au electrode.