Table 1

DLS size and PdImeasurements for the threenanoparticle contrast agents
Nanoparticle Hydrodynamic diameter(nm) PdI
Gd2O3-DEG 5.9 ± 0.13 0.387
SPGO-mPEG-silane550 51.3 ± 1.46 0.350
SPGO-mPEG-silane2000 194.2 ± 22.1 0.225

The results show a direct relationship between size and molecular weight.

Azizian et al.

Azizian et al. Nanoscale Research Letters 2012 7:549   doi:10.1186/1556-276X-7-549

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