Table 2.

FT-IR data (cm⁻¹) of 2C12-Lys-Na, 2C14-Lys-Na, and dried gels formed in this study.

Compounds	Solvents	N–H Stretching Vibration	Amide I	Amide II
2C12-Lys-Na	powder 1	3327	1641	1540
	H2O	3326	1642	1555
	Methanol–H2O	3318	1642	1557
	Ethanol–H2O	3309	1643	1556
	Isopropanol–H2O	3314	1642	1552
	t-butanol–H2O	3316	1640	1548
2C14-Lys-Na	powder 1	3328	1640	1542
	Methanol–H2O	3309	1639	1558
	Ethanol–H2O	3306	1640	1560
	Isopropanol–H2O	3308	1642	1553
	t-butanol–H2O	3301	1639	1558

¹ Powder of gelators.