A novel photocleavable amino-modified graphene for covalent purification of N-glycans from hepatocellular carcinoma patients’ serum for potential biomarkers discovery

Table 1 The infrared spectroscopy characterization results of the characterization of the raw material reduced graphene oxide and the synthesized product photocleavable amino-modified graphene

Infrared attribution of product	cm⁻¹	Functional group
1	3325	ν_NH
2	2929	ν_C-H
3	2850	ν_-CH2-
4	1625	ß_NH or \(\delta_{NH}\)
5	1573	ν_C=C
6	1539	ν_NO2
7	1442	ν_NO2
8	1311	ν_NO2
9	1245	ν_C-N
10	1095	ν_C-O-C
11	891	Ƴν_C=C
Infrared attribution of raw materials	cm⁻¹
1	1574	ν_C=C
2	1212	ß_C-H

Infrared attribution of raw materials	cm⁻¹
1	1574	ν_C=C
2	1212	ß_C-H

ISSN: 1868-6966