[1] Atkinson R. Atmospheric chemistry of VOCs and NOx[J]. Atmospheric Environment, 2000, 34(12-14): 2063-2101.

[2] Kampa M, Castanas E. Human health effects of air pollution[J]. Environmental Pollution, 2008,151(2): 362-367.

[3] Lindinger W, Hansel A, Jordan A. Protontransfer-reaction mass spectrometry(PTR-MS):on-line monitoring of volatile organic compounds at pptv levels[J]. Chemical Society Reviews, 1998,27(5): 347-354.

[4] Hansel A, Jordan A, Holzinger R, et al. Protontransfer reaction mass-spectrometry-online trace gas-analysis at the ppb level[J]. International Journal of Mass Spectrometry, 1995, 150: 609-619.

[5] Li Jianquan, Shen Chengyin, Wang Hongmei, et al. Development and validation of proton transfer reaction mass spectrometry[J]. Chinese Journal of Analytical Chemistry, 2008, 36(1): 132-136(in Chinese).

[6] de Gouw J, Warneke C. Measurements of volatile organic compounds in the earths atmosphere using proton-transfer-reaction mass spectrometry [J]. Mass Spectrometry Reviews, 2007, 26(2):223-257.

[7] Hayward S, Hewitt C N, Sartin J H, et al. Performance characteristics and applications of a proton transfer reaction-mass spectrometer for measuring volatile organic compounds in ambient air[J]. Environmental Science & Technology, 2002, 36(7):1554-1560.

[8] Debois D, Giuliani A, Laprevote O. Fragmentation induced in atmospheric pressure photoionization of peptides[J]. Journal of Mass Spectrometry,2006, 41(12): 1554-1560.