Table 1 |
||
| Characteristics of PEG-modified gold nanorods treated without and with near-infrared pulsed laser light | ||
| Without irradiation | With irradiation | |
| Particle size of short axis (nm) | 10.6 ± 3.2 | 17.2 ± 3.7 |
| Particle size of long axis (nm) | 49.6 ± 9.7 | 27.0 ± 8.2 |
| Aspect ratio | 5.0 ± 1.2 | 1.7 ± 0.9 |
| Surface area (×10−3 nm2) | 1.61 ± 0.43 | 1.42 ± 0.40 |
| Volume (×10−3 nm3) | 4.02 ± 1.81 | 4.32 ± 1.70a |
| Number of modified PEG on one particle (×10−2) | 9.50 ± 4.28 | 8.25 ± 3.25 |
| Area occupied by one PEG molecule (nm2) | 1.82 ± 0.29 | 1.82 ± 0.33a |
| Zeta potential (mV) | 0.48 ± 1.66 | 1.83 ± 3.34a |
Data are the mean ± standard deviation. aNo significant difference from the value of gold nanorods without laser irradiation.
Akiyama et al. Nanoscale Research Letters 2012 7:565 doi:10.1186/1556-276X-7-565