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. 2018 May 31;12:1567–1580. doi: 10.2147/DDDT.S159965

Figure 4.

Figure 4

Investigation with Raman spectroscopy: (A) (a) spectrum of raw Mel, (b) spectrum of raw PVA, (c) spectrum of raw PVA (0.50%) containing solution. (B) Comparison study of raw materials (Mel and PVA) and the dispersions, (a) spectrum of raw Mel, (b) spectrum of raw PVA, (d) spectrum of dispersion containing 1% Mel and 0.25% PVA, (e) spectrum of dispersion containing 1% Mel and 0.50% PVA, (f) spectrum of dispersion containing 1% Mel and 0.75% PVA.

Abbreviations: Mel, meloxicam; PVA, poly(vinyl alcohol).