Preparation, Characterization, and In Vitro and Vivo Antitumor Activity of Oridonin-Conjugated Multiwalled Carbon Nanotubes Functionalized with Carboxylic Group

Table 2

The effect of various formulations of ORI on the weight of tumor on BALB/c nude mice.

Group	Dose (g/Kg)	Number of animals (start/end)	Body weight (g)		Tumor weight (g)	Tumor inhibition (%)
			Initial	End
Negative control	—	10/10
MWCNTs-ORI		10/10				86.4
MWCNTs-COOH		10/10				11.3
ORI-F		10/10				39.2