. Author manuscript; available in PMC: 2013 Oct 23.

Published in final edited form as: ACS Nano. 2012 Oct 8;6(10):8970–8982. doi: 10.1021/nn303030t

Table 1.

Physicochemical properties, ⁶⁴Cu radiolabeling specific activity of dSCK1-5.

	dSCK1	dSCK2	dSCK3	dSCK4	dSCK5
Polymer precursor	8	9	10	11	12
Polymer grafts	5 × PEG2k	5 × PEG5k	10 × PEG5k	5 × PCB2k	5 × PCB5k
D_h (nm)^a	40 ± 2	30 ± 9	32 ± 9	29 ± 8	65 ± 19
Diameter (nm)^b	18 ± 3	15 ± 4	14 ± 4	16 ± 4	32 ± 6
Zeta potential (mV)	−41 ± 4	−28 ± 3	−25 ± 4	−50 ± 5	−58 ± 4
⁶⁴Cu Specific Activity (μCi/μg)	105.5	154.9	79.2	81.8	139.0

measured by DLS, number average

measured by TEM.