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Table 1 Peak positions of D and G-bands as well as ID/IG ratios for SWCNT-COOH, SWSB and the surface-coated nanocomposites

From: In vitro drug release characteristic and cytotoxic activity of silibinin-loaded single walled carbon nanotubes functionalized with biocompatible polymers

Sample D-band (cm−1) G-band (cm−1) Intensity ratio (ID/IG)
SWCNT-COOH 1342 1575 0.273
SWSB 1338 1575 0.550
SWSB-T20 1346 1579 0.231
SWSB-T80 1346 1579 0.241
SWSB-PEG 1342 1579 0.434
SWSB-CS 1342 1579 0.602