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Rod fabrication (a) size and (b) yield as a function of stir rate in ESE technique (PVA concentration is fixed at 1.0%). Rod fabrication (c) size and (d) yield as a function of surfactant (PVA) concentration in the water phase (stir rate is fixed at 4500 rpm). For all trials, the oil phase consisted of 1.8 mg/ml of PLGA in chloroform and the water phase includes 2.0% sodium tripolyphospahte [2 column fitting image].
