Physical characterization of surface-attached networks made from poly(oxonorbornene) homopolymers (m = 0) and copolymers (m ≠ 0). The dry layer thickness was measured by ellipsometry; the apparent surface tension was determined using the Zisman method; swellability ratios in water were determined by surface plasmon resonance spectroscopy; the maximum surface charge ζmax under acidic conditions, the surface charge under pseudo-physiological conditions (ζphys), the isoelectric point and the acid constant pK were obtained by electrokinetic measurements.[52] Copyright: Zou et al.,[52] published by The Royal Society of Chemistry, 2015.