[1] [1] Radl S, Ortner S, Sungkorn R, et al. Journal of Pharmaceutical Innovation, 2009, 4(2): 51.

[3] [3] Larsson K, Aldén M, Bood J. Applied Spectroscopy, 2017, 71(9): 2118.

[4] [4] Foltynowicz A, Masowski P, Fleisher A J, et al. Applied Physics B, 2013, 110(2): 163.

[5] [5] Johnson T J, Sams R L, Burton S D, et al. Analytical and Bioanalytical Chemistry, 2009, 395(2): 377.

[6] [6] St Hill N, Turner G. Analytical Methods, 2011, 3(8): 1901.

[7] [7] Cao Y, Sanchez N P, Jiang W, et al. Advanced Optical Technologies, 2014, 3: 5.

[8] [8] Ren W, Jiang W, Sanchez N P, et al. Applied Physics Letters, 2014, 104(4): 041117.

[9] [9] Zhimin P, Yanjun D, Lu C, et al. Optics Express, 2011, 19(23): 23104.

[10] [10] Farooq A, Jeffries J B, Hanson R K. Applied Physics B, 2009, 96(1): 161.