Biomedical Engineering Reference
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(a)
(b)
(c)
d n 4 t 3 n g | 0
Graphene sheet
Single-walled CNT
Multi-walled CNT
Figure 4.6 Representations of (a) graphene sheet, (b) single-walled carbon nanotube
and (c) multi-walled carbon nanotube. 21
n 3 .
Figure 4.7 Molecular structures of carbon nanotubes (CNT) functionalized covalently
with different types of small molecules: 1. Ammonium-functionalized CNT;
2. Acetamidofunctionalized CNT; 3. CNT functionalized with fluorescein
isothiocyanate (FITC); 4. CNT bifunctionalized with ammonium groups
and FITC; 5. CNT bifunctionalized with methotrexate (MTX) and FITC;
6. Shortened CNT bifunctionalized with amphotericin B (AmB) and
FITC; 7. Shortened CNT bifunctionalized with ammonium groups and
FITC (through an amide linkage). 21
(Reprinted by kind permission of Elsevier BV.)
 
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