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Table 4 The frequency values (THz) of pure L-hydroxyproline absorption peaks at different temperatures

From: Three-step one-way model in terahertz biomedical detection

Temperature

80 K

110 K

140 K

170 K

200 K

230 K

260 K

290 K

Peak 1 (THz)

0.44

0.49

0.53

0.59

0.64

0.67

0.70

0.72

Peak 2 (THz)

0.76

0.82

0.89

0.96

1.02

1.08

1.13

1.15

Peak 3 (THz)

1.86

1.85

1.84

1.83

1.82

1.81

1.80

1.79