Grafting of Multiwalled Carbon Nanotubes with Chicken Feather Keratin

Table 2

Quantification of keratin in carbon nanotubes, where the average concentration of protein in the samples refers to keratin/MWOH weight.

Sample	Sample concentration (μg/mL)	Sample amount in the aliquot of the analysis (μg)	Absorbance (average)	Average amount of protein found in the sample (μg)	Average concentration of protein in the sample (μg/μg)
CK7511	80	4.8	0.744	2.4039	0.5008
CK7512	80	4.8	0.5245	0.8806	0.1835
CK7513	80	4.8	0.5215	0.8598	0.1791
CK6512	80	4.8	0.5175	0.8321	0.1733
CK5513	80	4.2	0.4915	0.6516	0.1552
CK5512	80	4.8	0.4855	0.61	0.1271
CK6513	80	4.8	0.4765	0.5475	0.1141
CK5511	80	4.8	0.453	0.3845	0.0801
CK6511	80	4.8	0.417	0.1346	0.028