[1] Guerrini L, Sanchez-Cortes S, Cruz V L, et al. Journal of Raman Spectroscopy, 2011, 42(5): 980.

[2] Lou T, Wang Y, Li J, et al. Analytical and Bioanalytical Chemistry, 2011, 401(1): 333.

[3] Schmit V L, Martoglio R, Carron K T. Analytical Chemistry, 2012, 84(9): 4233.

[4] Yang J, Wang Z, Zong S, et al. Analytical and Bioanalytical Chemistry, 2012, 1.

[5] Xiao G N, Man S Q. Chemical Physics Letters, 2007, 447(4-6): 305.

[6] Betz J F, Cheng Y, Rubloff G W. Analyst, 2012, 137(4): 826.

[7] Kammer E, Dorfer T, Csaki A, et al. The Journal of Physical Chemistry C, 2012, 116(10): 6083.

[8] Yang Z, Qian H, Chen H, et al. Journal of Colloid and Interface Science, 2010, 352(2): 285.