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. Author manuscript; available in PMC: 2021 Jan 15.
Published in final edited form as: Acta Biomater. 2018 Dec 6;84:317–327. doi: 10.1016/j.actbio.2018.12.012

Table 1.

Characterization of the samples as a function of APTS:THSMP molar ratio obtained by: aelemental chemical analysis (atomic percentages), bDLS (hydrodynamic diameter, DH) and cζ-potential.

Sample APST:THSMPmolar a%C a%N bDH (nm) cζ-potential (mV)
Theoretical Experimental
MSN — —   5.68   0.15  190 ± 4 -30 ± 2
  ZMSN-1.00     1:1.00     1:0.18   9.99   2.59  164 ± 3 17 ± 2
  ZMSN-1.25     1:1.37     1:0.37  10.27   2.43  122 ± 2 25 ± 2
  ZMSN-1.44     1:1.44     1:0.40  12.55   2.53  164 ± 3 25 ± 2
  ZMSN-1.50     1:1.50     1:0.71  12.19   1.80  220 ± 3 5 ± 3