Table 2.

Selected FTIR absorption peaks for PLA [14–24] and paclitaxel [14–29]

Wavenumber (cm−1)	Mode
PLA
616	COO–bend
806	COO–(out-of-plane)
973	C–N stretching
1022	–CH2 (out-of-plane)
1090	C–O stretching
1183	–C–O–C–
1224	–C–O–H–
1305	C–H (out-of-plane)
1339	C–H bending
1434	COO–symmetric stretching
1470	–CH2 bending
1601	COO–asymmetric stretching
1746	C=O stretching
2905	C–H stretching
2956	–CH2 symmetric stretching
3004	–CH2 asymmetric stretching
3568	OH (COOH)
3572	OH (COOH)
Paclitaxel
689	C–H out-of-plane/C–C=O deformation
803–941	C–H in-plane deformation
941–803	C–H in-plane deformation
1049–1090	C–O stretching
1112–1117	O–H in-plane bending in (COOH)
1274	C–N stretching
1330–1380	CH3 deformation
1369	CH/NH bend
1444	C=C ring stretching
1579–1652	C–C stretching
1640	N–H bending
1733	(C=O stretching) of amide group
1775	C=O
1777	C=O
2541–2973	CH3/C–H stretching
2860	CH
2909	CH stretch
3066	–CH sp3 stretching
3339	N–H/O–H stretching
3568	OH (COOH)
3572	OH (COOH)