Table 1.

The representative flow cytometry data for tumor-specific induction of apoptosis

	a	b	c	d	e	f	g	h	i	j
Early stage apoptotic rate (%)	1.2	2.7	4.1	1.5	49.2	15.1	74.6	75.3	82.2	84.9
Late stage apoptotic rate (%)	0	0	0	0	1.8	0.2	0.9	1.0	1.1	1.4
Total apoptotic rate (%)	1.2	2.7	4.1	1.5	51.0	15.3	75.5	76.3	83.3	86.3

Notes: Cell apoptosis groups: a) blank, b) SWCNTs-HA, c) SWCNTs-HA/laser, d) Gd, e) DOX, f) Gd/SWCNTs-HA-DOX, g) SWCNT-HA-ss-DOX, h) Gd/SWCNTs-HA-ss-DOX, i) SWCNT-HA-ss-DOX/laser, j) Gd/SWCNTs-HA-ss-DOX/laser.

Abbreviations: DOX, doxorubicin; Gd, gadolinium; HA, hyaluronic acid; SWCNTs, single-walled carbon nanotubes; SWCNTs-HA, HA-modified SWCNTs.