Formation of environmentally persistent free radicals on microplastics under light irradiation

K Zhu, H Jia, S Zhao, T Xia, X Guo… - … Science & Technology, 2019 - ACS Publications
Microplastics (MPs) are presumed to be inert during aging under ambient conditions. In this
study, four types of virgin MPs, including polystyrene (PS), phenol-formaldehyde resin (PF) …

Formation of environmentally persistent free radicals on microplastics under UV irradiations

S Liu, W Huang, J Yang, Y Xiong, Z Huang… - Journal of Hazardous …, 2023 - Elsevier
Microplastics (MPs) are widely distributed in the environment due to breakdown of
widespread plastic wastes through physicochemical and biological processes …

Sulfur-containing persistent free radicals and reactive species on photoaged microplastics: Identification and the formation mechanism

W Jiang, K Zhu, H Ma, J Liu, C Zhang… - … science & technology, 2023 - ACS Publications
The elemental composition may affect the persistent free radical (PFR) and reactive species
(RS) formation associated with photoaging microplastics; however, a relevant study is still …

Fate and environmental behaviors of microplastics through the lens of free radical

Y Qiu, T Zhang, P Zhang - Journal of Hazardous Materials, 2023 - Elsevier
Microplastics (MPs), as plastics with a size of less than 5 mm, are ubiquitously present in the
environment and become an increasing environmental concern. The fate and environmental …

[HTML][HTML] Aging process of microplastics in the aquatic environments: aging pathway, characteristic change, compound effect, and environmentally persistent free …

C Li, B Jiang, J Guo, C Sun, C Shi, S Huang, W Liu… - Water, 2022 - mdpi.com
Plastic wastes are becoming one of the most serious environmental pollutants because of
their high antidegradation properties and the damage they cause to human health. More …

[HTML][HTML] Non-negligible effects of UV irradiation on transformation and environmental risks of microplastics in the water environment

F Cheng, T Zhang, Y Liu, Y Zhang, J Qu - Journal of xenobiotics, 2021 - mdpi.com
Microplastics (MPs) are ubiquitous in environmental media, and their harmful effects on MPs
on the ecosystem have attracted more and more attention. Once released into the …

[HTML][HTML] The generation of environmentally persistent free radicals on photoaged microbeads from cosmetics enhances the toxicity via oxidative stress

H Chen, Y Jiang, Y Gu, P Ding, C Wang, R Pan… - Environment …, 2023 - Elsevier
Microbeads used in personal care products have been one of the important sources of
microplastics (MPs), and little has been reported on their environmental behaviors and …

New insights on metal ions accelerating the aging behavior of polystyrene microplastics: Effects of different excess reactive oxygen species

X Yu, Y Xu, M Lang, D Huang, X Guo, L Zhu - Science of The Total …, 2022 - Elsevier
Microplastics (MPs) will coexist with various pollutants in the environment, but it is not clear
whether these pollutants will affect the aging process of MPs. The aging process of …

Dissolved organic matter promotes the aging process of polystyrene microplastics under dark and ultraviolet light conditions: the crucial role of reactive oxygen …

X Qiu, S Ma, J Zhang, L Fang, X Guo… - Environmental Science & …, 2022 - ACS Publications
Microplastics (MPs) interact frequently with dissolved organic matter (DOM) commonly found
in the environment, but information on the aging behavior of MPs under the participation of …

Long-term phototransformation of microplastics under simulated sunlight irradiation in aquatic environments: Roles of reactive oxygen species

K Zhu, H Jia, Y Sun, Y Dai, C Zhang, X Guo, T Wang… - Water Research, 2020 - Elsevier
Microplastics may experience photoaging and breakdown into nanoplastics in aquatic
environment as a result of long-term light irradiation. However, the underlying mechanisms …