Imaging: PEGylated WS₂ Nanosheets as a Multifunctional Theranostic Agent for in vivo Dual‐Modal CT/Photoacoustic Imaging Guided Photothermal Therapy (Adv. Mater. 12/2014)

Z. Liu and co-workers introduce on page 1886 a new generation of photothermal theranostic agents based on functionalized WS2 nanosheets, a two-dimensional transition-metal dichalcogenide. Bimodal in vivo CT/photoacoustic imaging reveals strong tumor contrast after either local or systemic injection of WS2-PEG, which then enables highly effective photothermal ablation of tumors in a mouse model.