Experimental study demonstrates graphene oxide nanoparticles enable dual-mode imaging and low-power cell destruction, suggesting potential for targeted photothermal cancer therapy.
Lasting glow: Under femtosecond laser irradiation, graphene oxide nanoparticles (GONs) give strong two-photon luminescence (TPL; see picture). The presence of GONs also induces microbubbling, which causes cell death at an order of magnitude lower laser power than when cells are not labeled. The results show that GONs can be used for TPL-based imaging and photothermal cancer therapy.
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Li et al. (2012) studied this question.