In Vitro Hemocompatibility and Cytotoxicity Evaluation of Halloysite Nanotubes for Biomedical Application

Figure 2

In vitro degradation characteristics of HNTs in PBS, pH 1.0 (a, c) and pH 8.3 (b, d) at 37°C. Normal saline at the same pH value with PBS as a negative control.

(a)

(b)

(c)

(d)