October 2015 Nano Letters Cover
© American Chemical Society
Cover illustration created for Weiping Wang and the Kohane Lab at Boston Children's Hospital for their paper Efficient Triplet–Triplet Annihilation-Based Upconversion for Nanoparticle Phototargeting.
The article and cover art appear in the October 2015 issue of Nano Letters.
The illustration depicts a nanoparticle in the bloodstream being hit with a beam of green light; this initiates a transfer of energy that ultimately causes pegylated ligands to unfold from the core of the nanoparticle and extend from the surface, where they can bind to integrins on the blood vessel wall.
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