4.1. Materials

CAT: Catalase from bovine liver was purchased from Calbiochem (San Diego, CA), or from Sigma-Aldrich; PAH: Poly(allylamine hydrochloride), MW 120–200 g/mol (for the magnetic region). PAA: Poly(acrylic acid) MW 200,000 g/mol 25% soln. In water (Polysciences). MNP: Magnetic nanoparticles, EMG 705 from FerroTec, 10 nm in diameter particles. BSM: bovine submaxillary mucin (Sigma). JAC: lectin jacalin (Vector Laboratories). TRIS: Tris(hydroxymethyl)aminomethane (Sigma-Aldrich). NHS-Biotin: (+)-Biotin N-hydroxysuccinimide ester (Sigma Aldrich). Positive photoresist S1813, MicroChem. Developer MF319. Micro BCA reagent (Thermo Fisher). 6-Hydroxydophamine (6-OHDA), lipopolysaccharides (LPS), and Triton X-100 were from Sigma-Aldrich (St. Louis, MO, USA). Interferon gamma (INF-γ) was purchased from Peprotech Inc. (RockyHill, NJ).