TY - JOUR
T1 - Image cytometry of irregular microplastic particles in a cross-slot microchannel utilizing viscoelastic focusing
AU - Kim, Bookun
AU - Lee, Hwang
AU - Lee, Seong Jae
AU - Kwon, Jung Hwan
AU - Kim, Ju Min
N1 - Funding Information:
This research was supported by the Research Program through the National Research Foundation of Korea (NRF) (nos. NRF-2019R1F1A1060512, NRF-2018R1A5A1024127, and 2020R1A2 C2009244).
PY - 2020/12
Y1 - 2020/12
N2 - Microplastic particles have recently attracted much attention owing to their potential adverse effects on marine and terrestrial environments. Although several studies have been conducted on this topic, one of the prominent existing challenges is developing analytical methods to precisely characterize isolated microplastics. Specifically, a systematic method that determines both the size and shape of irregular micron-sized particles is required because conventional optical methods provide only two-dimensional images of microplastics and cannot easily handle cases of tilting or aggregation of particles. In this study, we demonstrate that previously developed microfluidic technologies can be successfully applied to measure the size and shape of oblate microparticles utilizing viscoelastic particle focusing. Furthermore, this technique is also applicable for irregular microplastic fragments that are predominantly found in environmental samples.
AB - Microplastic particles have recently attracted much attention owing to their potential adverse effects on marine and terrestrial environments. Although several studies have been conducted on this topic, one of the prominent existing challenges is developing analytical methods to precisely characterize isolated microplastics. Specifically, a systematic method that determines both the size and shape of irregular micron-sized particles is required because conventional optical methods provide only two-dimensional images of microplastics and cannot easily handle cases of tilting or aggregation of particles. In this study, we demonstrate that previously developed microfluidic technologies can be successfully applied to measure the size and shape of oblate microparticles utilizing viscoelastic particle focusing. Furthermore, this technique is also applicable for irregular microplastic fragments that are predominantly found in environmental samples.
KW - Cross-slot Microchannel
KW - Extensional Flow
KW - Microplastic Particle
KW - Oblate-shape Particle
KW - Viscoelastic Particle Focusing
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U2 - 10.1007/s11814-020-0670-7
DO - 10.1007/s11814-020-0670-7
M3 - Article
AN - SCOPUS:85097984949
VL - 37
SP - 2136
EP - 2142
JO - Korean Journal of Chemical Engineering
JF - Korean Journal of Chemical Engineering
SN - 0256-1115
IS - 12
ER -