Physical, chemical, and cell toxicity properties of mature/aged particulate matter (PM) trapped in a diesel particulate filter (DPF) along with the results from freshly produced PM of a diesel engine

Pak Kin Wong, Meisam Ahmadi Ghadikolaei, Shou Hao Chen, Adebayo Afolabi Fadairo, Kar Wei Ng, Simon Ming‐Yuen Lee, Jin Xu, Zhen Dong Lian, Lin Li, Hang Cheong Wong, Zhi Ning, Nirmal Kumar Gali, Jing Zhao