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(A) Human oral epidermoid carcinoma (KB) tumor-bearing nude mice and (B) excised KB tumor images after 14 days of treatment with (a) phosphate-buffered saline (PBS), (b) α-CD-ss-Ce6 NPs without laser, (c) free Ce6 with laser, and (d) α-CD-ss-Ce6 NPs with laser. Reproduced from Reference [42] with permission from Small, 2016.
