Issue 6, 2020
From the journal:

Environmental Science: Nano

Ageing remarkably alters the toxicity of carbon black particles towards susceptible cells: determined by differential changes of surface oxygen groups†

Shuting Wei,‡abc   Yu Qi,‡bc   Li Ma,d   Yongchun Liu,d   Guangke Li,a   Nan Sang,a   Sijin Liu ORCID logo *bc  and  Yajun Liu*e  

* Corresponding authors

a College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi, China

b State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, China
E-mail: sjliu@rcees.ac.cn

c University of Chinese Academy of Sciences, Beijing, China

d Aerosol and Haze Laboratory, Advanced Innovation Center for Soft Matter Science and Engineering, Beijing University of Chemical Technology, Beijing, China

e Beijing Jishuitan Hospital, Peking University Health Science Center, Beijing, China
E-mail: drliuyajun@163.com

Abstract

We uncover that O3-induced ageing dynamically alters the surface O-functionalities of carbon black (CB) nanoparticles, a model of airborne particles. The consequent distinct bioreactivity and toxicity towards susceptible cells under low-dose exposure are largely attributed to the variant species of O-functionalities, thereby signifying the importance of the environmental ageing process in changing CB toxicity features.

Graphical abstract: Ageing remarkably alters the toxicity of carbon black particles towards susceptible cells: determined by differential changes of surface oxygen groups

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Article information

DOI
https://doi.org/10.1039/D0EN00281J
Article type
Communication
Submitted
15 Mac 2020
Accepted
10 Mei 2020
First published
11 Mei 2020

Environ. Sci.: Nano, 2020,7, 1633-1641

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Ageing remarkably alters the toxicity of carbon black particles towards susceptible cells: determined by differential changes of surface oxygen groups

S. Wei, Y. Qi, L. Ma, Y. Liu, G. Li, N. Sang, S. Liu and Y. Liu, Environ. Sci.: Nano, 2020, 7, 1633 DOI: 10.1039/D0EN00281J

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