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Volume 2
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Article

Impact of Degradation of Polyethylene Particles on Their Cytotoxicity

by
Yudai Ikuno
1,
Hirofumi Tsujino
1,2,*,
Yuya Haga
1,
Haruyasu Asahara
1,
Kazuma Higashisaka
1,3 and
Yasuo Tsutsumi
1,4,*
1
Graduate School of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
2
The Museum of Osaka University, 1-20 Machikaneyamacho, Toyonaka, Osaka 560-0043, Japan
3
Institute for Advanced Co-Creation Studies, Osaka University, 1-1 Yamadaoka, Suita, Osaka 565-0871, Japan
4
Global Center for Medical Engineering and Informatics, Osaka University, 2-2 Yamadaoka, Suita, Osaka 565-0871, Japan
*
Authors to whom correspondence should be addressed.
Microplastics 2023, 2(2), 192-201; https://doi.org/10.3390/microplastics2020015
Submission received: 15 November 2022 / Revised: 8 May 2023 / Accepted: 9 May 2023 / Published: 22 May 2023
(This article belongs to the Collection Current Opinion in Microplastics)
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Abstract

Microplastics are ubiquitous in the environment, including in the ocean, soil, and air. Therefore, there are concerns regarding human exposure. Since it is known that the surface of microplastics in various environments is chemically deteriorated by external factors such as ultraviolet rays and waves, it is essential to evaluate the biological effects of degraded microplastics. In this study, we experimented by accelerating the degradation of polyethylene (PE) using vacuum ultraviolet light and prepared PE samples with different degrees of degradation. Then, we evaluated the effects of undegraded and variously degraded PE on cells using cytotoxicity tests. Based on the cytotoxicity test results, we saw a tendency for increased cytotoxicity with increasing degradation. Therefore, this study substantially links the deterioration of microplastics with their biological effects.
Keywords: microplastics; degradation; cytotoxicity microplastics; degradation; cytotoxicity

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MDPI and ACS Style

Ikuno, Y.; Tsujino, H.; Haga, Y.; Asahara, H.; Higashisaka, K.; Tsutsumi, Y. Impact of Degradation of Polyethylene Particles on Their Cytotoxicity. Microplastics 2023, 2, 192-201. https://doi.org/10.3390/microplastics2020015

AMA Style

Ikuno Y, Tsujino H, Haga Y, Asahara H, Higashisaka K, Tsutsumi Y. Impact of Degradation of Polyethylene Particles on Their Cytotoxicity. Microplastics. 2023; 2(2):192-201. https://doi.org/10.3390/microplastics2020015

Chicago/Turabian Style

Ikuno, Yudai, Hirofumi Tsujino, Yuya Haga, Haruyasu Asahara, Kazuma Higashisaka, and Yasuo Tsutsumi. 2023. "Impact of Degradation of Polyethylene Particles on Their Cytotoxicity" Microplastics 2, no. 2: 192-201. https://doi.org/10.3390/microplastics2020015

APA Style

Ikuno, Y., Tsujino, H., Haga, Y., Asahara, H., Higashisaka, K., & Tsutsumi, Y. (2023). Impact of Degradation of Polyethylene Particles on Their Cytotoxicity. Microplastics, 2(2), 192-201. https://doi.org/10.3390/microplastics2020015

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