Table 2.
Colloidal stability of AuNPs with chitosan capping in different solutions
| Nanospheres | Nanostars | Nanorods | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Maximum SPR (nm) | Absorbance | % | Maximum SPR (nm) | Absorbance | % | Maximum SPR (nm) | Absorbance | % | |
| Original | 537 | 1.768 | 100 | 599 | 0.712 | 100 | 765 | 0.754 | 100 |
| Deionized water | 534 | 0.993 | 56.2 | 597 | 0.489 | 68.7 | 764 | 0.496 | 65.8 |
| 5 % BSA | 535 | 1.093 | 61.8 | 597 | 0.500 | 70.2 | 767 | 0.543 | 72.0 |
| 5 % NaCl | 535 | 0.966 | 54.6 | 608 | 0.458 | 64.3 | 765 | 0.457 | 60.6 |
| PBS (pH 7.4) | 535 | 1.000 | 56.6 | 604 | 0.473 | 66.4 | 763 | 0.422 | 56.0 |
| DMEM | 534 | 1.006 | 56.9 | 610 | 0.441 | 61.9 | 766 | 0.455 | 60.3 |
| Full medium | 533 | 1.155 | 65.3 | 592 | 0.665 | 93.4 | 783 | 0.605 | 80.2 |