. Author manuscript; available in PMC: 2012 Jan 1.

Published in final edited form as: Nanomedicine (Lond). 2011 Jan;6(1):25–42. doi: 10.2217/nnm.10.129

Table 2.

Diameter of different nanozyme particles measured by DLS (Z=1)

Nanozyme	Size (nm)		PdI^a	ξ-potential (mV)
Nanozyme	Freshly prepared	7 days	PdI^a	ξ-potential (mV)
catalase	10.3 ± 0.1	55.0 ± 0.2	0.1 ± 0.01	-13.2 ± 0.4
PEI₅₀/catalase	11.7 ± 0.1	13.6 ± 0.1	0.2 ± 0.02	-7.4 ± 0.4
PEI₅₀-PEG/catalase	14.4 ± 0.1	19.5 ± 0.2	0.2 ± 0.01	-0.82 ± 0.18
PL₁₀-PEG/catalase	14.7 ± 0.2	345	0.2 ± 0.03	-2.8 ± 0.1
PL₃₀-PEG/catalase	23	425	0.2 ± 0.03	n/d
PL₅₀-PEG/catalase	16.5 ± 0.1	n/d	0.2 ± 0.01	-0.79 ± 0.005
EPL/catalase	10.9 ± 0.1	52.1 ± 0.3	0.14 ± 0.02	-4.1 ± 0.1
PGLU₅₀-PEG/catalase	19.3 ± 0.06	n/d	0.2 ± 0.01	-13.9 ± 0.8

The PDI values refers to freshly prepared solutions.