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. Author manuscript; available in PMC: 2014 Sep 11.
Published in final edited form as: Nanomedicine (Lond). 2013 Nov 18;9(9):1403–1422. doi: 10.2217/nnm.13.115

Table 2.

Hydrodynamic diameter of nanozymes measured by dynamic light scattering.

Nanozyme Z Deff (nm) PDI Zeta-potential (mV)
Catalase alone 0 12.5 ± 0.1 0.10 −10.7
Non-Cl-2 2 13.9 ± 0.1 0.20 −0.8
Non-Cl-6 6 24.2 ± 0.1 0.20 −0.1
Cl-2-BS3 2 79.0 ± 0.2 0.20 −7. 0
Cl-4-BS3 4 118.0 ± 0.2 0.20 −4.9
Cl-6-BS3 6 175.5 ± 0.2 0.20 −1. 3
Cl-9-BS3 9 161.3 ± 0.2 0.09 −1. 8
Cl-6-DTSSP 6 152.7 ± 0.2 0.20 −4.3

The Deff values represent the mean ± standard error of the mean of three separate measurements. BS3: Bis-(sulfosuccinimidyl)suberate sodium salt; Cl: Cross-linked; Deff: Hydrodynamic diameter; DTSSP: 3,3’-Dithiobis-(sulfosuccinimidyl propionate); PDI: Polydispersity index; Z: Charge ratio.