Polyelectrolytes Supramolecular chemistry Surface active agents Electrodes Glucose oxidase Self assembly Glucose Glucose sensors Grazing incidence small-angle X-ray scattering Oxidation-Reduction Polyelectrolyte-surfactant complexes chemistry oxidation reduction reaction Electron transitions Interfacial architecture Nanoparticles Osmium Redox reactions electrode glucose oxidase polyelectrolyte surfactant synthesis Article Atomic force microscopy Cell culture Electrochemical electrodes Electrolytes Electron transfer Electron transfer mechanisms