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. 2018 Apr 30;8(29):15973–15984. doi: 10.1039/c8ra02616e

Characteristic peaks of blank and seaweed polysaccharide loaded NLC.

Frequency Blank NLC Seaweed polysaccharide loaded NLC
Bond Functional groups Bond Functional groups
3375.43 O–H stretch Alcohol
3363.86 O–H stretch Alcohol
2916.37 O–H stretch Carboxylic acids O–H stretch Carboxylic acids
2850.79 C–H stretch Alkanes C–H stretch Alkanes
2360.87 C Created by potrace 1.16, written by Peter Selinger 2001-2019 N stretch Nitriles C Created by potrace 1.16, written by Peter Selinger 2001-2019 N stretch Nitriles
1732.08 C Created by potrace 1.16, written by Peter Selinger 2001-2019 O stretch Carbonyls
1639.49 –C Created by potrace 1.16, written by Peter Selinger 2001-2019 C–stretch Alkenes –C Created by potrace 1.16, written by Peter Selinger 2001-2019 C–stretch Alkenes
1512.19 N–O asymmetric stretch Nitro compounds
1465.90 C–C stretch (in-ring) Aromatics C–C stretch (in-ring) Aromatics
1369.46 C–H rock Alkanes
1350.17 C–H rock Alkanes
1219.01 –CH2X Alkyl halides
1056.99 C–O stretch Alcohols, carboxylic acids, esters, ethers C–O stretch Alcohols, carboxylic acids, esters, ethers
721.38 C–H rock Alkanes