Figure 2
From: A glucose carbonate apatite complex exhibits in vitro and in vivo anti-tumour effects
Characterisation of glucose carbonate apatite (CA-[Glc]).
(a) The 13C NMR spectrum of CA, CA-[Glc] and Glc. (b) Atomic force microscopy image of CA-[Glc] complex with cross-section profile and size distribution measured by atomic force microscopy. The complex size ranged from 10 to 40 nm (mean ± SD: 22.27 ± 5.10 nm). (c) Zeta potential (mV) of CA-[Glc] was observed to be −9.06 ± 1.07 mV (mean ± SD; n = 5). (d) pH sensitivity of CA-[Glc]. Below pH 7.0 the complex was completely degraded. (e) The conjugated amount of Glc in CA was 25.0 mg, 12.0 mg, or 3.4 mg when 12.5 g, 6.25 g, or 2.5 g Glc was added during complex formation, respectively.
