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. Author manuscript; available in PMC: 2020 May 27.
Published in final edited form as: Int J Pharm. 2018 May 5;546(1-2):1–9. doi: 10.1016/j.ijpharm.2018.05.011

Fig. 1:

Fig. 1:

Mid-plane cross-sectional view of the LV-DPI devices with inlet (left side) and outlet (right side) capillary internal diameters: a) 0.6mm-0.89mm_v1, b) 3×0.6mm-0.89mm_v1, c) 0.6mm-0.89mm_v2, d) 3×0.6mm-0.89mm_v2; and inlet capillary patterns for the (e) single inlet and (f) three capillary inlet. The insertion depths for v1 and v2 were 6mm and 2mm, respectively.