[2] [2] Ross G. The public health implications of polychlorinated biphenyls (PCBs) in the environment ［J］. Ecotoxic. Environ. Safe, 2004, 59: 275-291.

[3] [3] Pitarch E, et al. Rapid multiresidue determination of organochlorine and organo-phosphorus compounds in human serum by solid-phase extraction and gas chromatography coupled to tandem mass spectrometry ［J］. Anal. Bioanal. Chem., 2003, 376: 189-197.

[5] [5] Hong J E, Pyo H, Park S, et al. Determination of hydroxyl-PCBs in urine by gas chromatography/mass spectrometry with solid-phase extraction and derivatization ［J］. Anal. Chim. Acta, 2005, 531: 249-256.

[7] [7] Moskovits M. Surface-enhanced spectroscopy ［J］. Rev. Mod. Phys., 1985, 57: 783-826.

[8] [8] Wang Y, Li Y S, et al. Surface-enhanced Raman scattering of some water insolubie drugs in silver hydrosols ［J］. Spectrochim. Acta A, 2003, 59: 589-594.

[9] [9] Leyton P, Cordova I, Lizama-Vergara P A, et al. Humic acids as molecular assembles in the surface-enhanced Raman scattering detection of polycyclic aromatic hydro-carbons ［J］. Vibrational Spectroscopy, 2008, 46: 77-81.

[10] [10] Guerrini L, Garcia-Ramos J V, et al. Sensing polycyclic aromatic hydrocarbons with dithiocarbamate-functionalized Ag nanoparticles by surface-enhanced Raman scattering ［J］. Analytical Chemistry, 2009, 81: 953-960.

[11] [11] Kottmann J P, Smith D R, Schultz S. Plasmon resonances of silver nanowires with a nonregular cross section ［J］. Phys. Rev. B, 2001, 64(23): 235402-1-235402-10.

[12] [12] Bantz K C, Haynes C L. Surface-enhanced Raman scattering detection and discrimination of polychlorinated biphenyls ［J］. Vibrational Spectroscopy, 2009, 50: 29-35.

[13] [13] Stiles P L, Dieringer J A, et al. Surface-enhanced Raman spectroscopy ［J］. Annu. Rev. Anal. Chem., 2008, 1: 20.1-20.26.

[14] [14] Linda S J, Charles T V. Sticking probabilities in adsorption from liquid solutions: alkylthiols on gold ［J］. Phys. Rev. Lett., 2000, 84(22): 5164-5167.

[15] [15] Maier S A. Plasmonics: Fundamentals and Applications ［M］. New York: Springer, 2007: 159-162.