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. 2019 Apr 10;6(4):181877. doi: 10.1098/rsos.181877

Figure 3.

Figure 3.

The infrared spectra of composite scaffolds. The red line is PLGA, and the black line is PLGA/icariin. The arrows show four characteristic bands at 803, 1604, 1654 and 3380 cm−1 in PLGA/icariin.