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. Author manuscript; available in PMC: 2022 Apr 6.
Published in final edited form as: Pulm Pharmacol Ther. 2021 Feb 5;65:101998. doi: 10.1016/j.pupt.2021.101998

Table 3.

Particle sizing using image analysis of SEM micrographs (n ≥ 100 particles).

System Mean (μm) Range (μm)

L-Carnitine
SD L-Car (25% PR) 15.2 ± 5.2 7.4–33.1
SD L-Car (50% PR) 12.6 ± 4.8 5.5–28.1
L-Carnitine HCl
SD L-Car HCl (25% PR) 5.5 ± 1.8 2.4–10.0
SD L-Car HCl (50% PR) 5.1 ± 1.6 2.0–9.7
SD L-Car HCl (75% PR) 4.7 ± 1.5 1.4–10.0
SD L-Car HCl (100% PR) 5.4 ± 1.6 2.5–9.1