Table 1: Formulations tested to produce paramagnetic microparticles by using a FF simple nozzle (for F3 to F9. indicate polymer mixes of PS + PSM).

Formulation     Stabilizing agent(%w/v) Magnetite (%w/v) Aerosil Ethocel Eudragit RSPO F1 1 0.6 — — 0.4 F2 1 — — 0.6 0.4 F3 0.6 — — 0.4 F4 0.6 — — 0.4 F5 1.4 + 0.6 0.9 — — 0.4 F7 2.8 + 1.2 0.6 — — 0.4 F8 2.8 + 1.2 1.8 — — 0.4 F9 2.8 + 1.2 0.9 — — 0.4 F11 4 1.8 — — 0.4 E2 4 — 1 — 0.6 E3 4 — 1.5 — 0.8 E5 4 0.6 1 — 0.6