An Approach of Spectra Standardization and Qualitative Identification for Biomedical Materials Based on Terahertz Spectroscopy

Figure 3

Standardization of spectra from two systems, USST system (blue solid lines) and Gaojing system (pink dashed lines), for the 12 compounds. (a) 4-Aminobenzoic acid. (b) A2. (c) A3. (d) Amoxicillin. (e) Phenylalanine. (f) Benzoic acid. (g) C5. (h) d-(+)-Lactose monohydrate. (i) p-Toluylic acid. (j) Glutamic acid. (k) TNT. (l) Riboflavin.

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