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Nano-extrusion: a One-Step Process for Manufacturing of Solid Nanoparticle Formulations Directly from the Liquid Phase

机译:纳米挤出:直接从液相制备固体纳米颗粒制剂的一步法

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摘要

This paper presents a novel one-step process for converting a liquid stabilized nano-suspension into a solid formulation via hot-melt extrusion combined with an internal devolatilization process (nano-extrusion, NANEX). A polymer (Soluplus®) was fed into the extruder and molten, after which a stable nano-suspension was added via side-feeding devices. The solvent (water) was removed by devolatilization and the polymer solidified at the outlet. The solid material can be tableted or filled in a capsule directly. The results showed that the obtained extrudates comprised nanocrystals in the de-aggregated form, confirming that a solid nano-formulation was prepared. This method is capable of overcoming many of the problems associated with other processes involving solid nano-dosage forms and poses a straightforward approach towards manufacturing such products.
机译:本文提出了一种新颖的一步法,通过热熔挤出与内部脱挥发分工艺(纳米挤出,NANEX)相结合,将液体稳定的纳米悬浮液转变为固体制剂。将聚合物(Soluplus?)进料到挤出机中并熔融,然后通过侧面进料装置添加稳定的纳米悬浮液。通过脱挥发分除去溶剂(水),并使聚合物在出口固化。固体材料可以被压片或直接装在胶囊中。结果表明,获得的挤出物包含解聚形式的纳米晶体,证实制备了固体纳米制剂。该方法能够克服与涉及固体纳米剂量形式的其他工艺相关的许多问题,并且为制造此类产品提出了直接的方法。

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