Table 1.
Physicochemical properties of f-MWNTs and MWNTs-OVA conjugates.
| MWNT | Initial primary amine [final maleimide]abc (μmole/g MWNT) | OVA loading (mg/g f-MWNT |
MWNT lengthbd (nm) | Zeta potentialbce (mV) | |
|---|---|---|---|---|---|
| TGAbc | BCA assaybc | ||||
| L+ | 263 ± 72 | – | – | 386 ± 133 | 17.3 ± 5.0 |
| L+(OVA) | 263 ± 72 | 317 ± 31.1 | 329 ± 44.0 | 386 ± 133 | 5.8 ± 3.2 |
| S−− | − | – | – | 122 ± 82 | − 21.2 ± 3.4 |
| S−−(OVA) | − | 431 ± 40.0 | 449 ± 32.5 | 122 ± 82 | − 39.0 ± 4.0 |
| S−/+ | 140 ± 48 | – | – | 122 ± 82 | − 10.1 ± 3.0 |
| S−/+(OVA) | 140 ± 48 | 435 ± 28.6 | 441 ± 36.0 | 122 ± 82 | − 23.4 ± 5.1 |
| S− | 140 ± 48 [80 ± 25] | – | – | 122 ± 82 | − 16.4 ± 4.0 |
| S−(OVA) | 140 ± 48 [80 ± 25] | 438 ± 30.5 | 445 ± 42.2 | 122 ± 82 | − 35.8 ± 3.3 |
a
Analyzed by TGA.
b
Data are represented as mean ± SD.
c
n = 3.
d
Determined from TEM images (n = 100 nanotubes).
e
Analyzed by electrophoretic mobility using 10 × diluted PBS buffer.