Hydrophilic coating compositions and methods to make and use the compositions are disclosed. The transconductance control circuit may be configured to generate a current control signal in response to a voltage control signal and a plurality of range control signals. , using resonance energy transfer are provided. At least 1% and at most 20% of inner contact points of the at least one at least partially structured metallic layer in at least one of the zones forms a connecting point in the cross section.