Research Interests
？ Nanotoxicology;
？ Toxicity and reproductive effects of persistent organic pollutants (POPs);
？ Genotoxicity of particulate matters;
？ Biological effects of strong magnetic fields

Selected/Key Publication:
1.Xu A, Chai Y, and Hei T. Genotoxic Responses to Titanium Dioxide Nanoparticles and Fullerene in gpt delta Transgenic MEF Cells, Particle and Fibre Toxicology, 2009 6:3.
2.Bao L* , Xu A*(co-authors), Tong L, Chen S, Zhu L, Zhao Y, Zhao G, Jiang E, Wang J, and Wu L. Activated Toxicity of Diesel Particulate Extract by Ultraviolet A Radiation in Mammalian Cells: Role of Singlet Oxygen, Environmental Health Perspectives, 117(3): 437-441, 2009.
3.Xu A, Smilenov LB, He P, Masumura K, Nohmi T, Yu Z, Hei TK. New insight into intrachromosomal deletions induced by chrysotile in the gpt delta transgenic mutation assay, Environmental Health Perspectives, 2007; 115(1): 87-92.
4.Xu A, Huang X, Lien YC, Bao L, Yu Z, Hei TK. Genotoxic Mechanisms of Asbestos Fibers: Role of Extranuclear Targets, Chemical Research in Toxicology, 2007, 20(5):724-733.
5.Xu A, Zhou H, Yu DZ, Hei TK. Mechanisms of the genotoxicity of crocidolite asbestos in mammalian cells: implication from mutation patterns induced by reactive oxygen species, Environmental Health Perspectives, 2002, 110(10):1003-8.
6.Xu A, Wu LJ, Santella RM, Hei TK. Role of oxyradicals in mutagenicity and DNA damage induced by crocidolite asbestos in mammalian cells, Cancer Research, 1999, 59(23): 5922-6.