Table 1 Morphological measurements of SU-8 particles.

From: Root cause analysis investigation of visible particulates in therapeutic protein drug products using morphologically directed Raman spectroscopy

NIST max length (µm)

MDRS max length (µm)

NIST aspect ratio

MDRS aspect ratio

150 µm

152 ± 1.7

0.62 ± 0.02

0.84 ± 0.05

250 µm

257 ± 1.5

0.27 ± 0.01

0.35 ± 0.01

300 µm

300 ± 1.0

0.61 ± 0.01

0.81 ± 0.08

  1. Error bars represent standard deviation. Definitions for maximum length and aspect ratio are included in Table S1.