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Carbon nanomaterials have received great attention from the scientific community over the past few decades because of their unique physical and chemical properties. In this minireview, we will summarize the recent progress of the use of various carbon nanomaterials in the field of cancer phototherapy. The structural characteristics of each category and the surface functionalization strategies of these nanomaterials will be briefly introduced before focusing on their therapeutic applications. Recent advances on their use in photothermal therapy, photodynamic therapy, and combined phototherapies are presented. Moreover, a few challenges and perspectives on the development of carbon nanomaterials for future theranostics are also discussed. The many dimensions of carbon nanomaterials: The recent progress of carbon nanomaterials in the field of cancer phototherapy is reviewed. A few challenges, perspectives on the development of carbon nanomaterials for future phototheranostics are also discussed. [ABSTRACT FROM AUTHOR]

Abstract Application of carbon nanomaterials to near-infrared light-mediated phototherapy has attracted great interest. However, their practical use in biological systems is severely limited by their poor water dispersibility, inevitable adsorption of plasma proteins, and their single therapeutic function. Herein, we prepared a phycocyanin (PC)-functionalized single-walled carbon nanohorns (PC@SWNHs) hybrid, where PC is used to preform a protein corona around the SWNHs through non-covalent interface interactions. In the PC@SWNHs, the preformed PC corona effectively improves the water dispersibility of the SWNHs and protects them from plasma protein adsorption. In addition, the excellent photodynamic activity of PC overcomes the inability of SWNHs to generate reactive oxygen species. The SWNHs not only give the hybrid a photothermal therapy (PTT) function, but they also enhance the photostability of PC. These characteristics of the PC@SWNHs are confirmed by in vitro and in vivo experiments, where synergistic photodynamic therapy (PDT)/PTT growth inhibition of tumors is achieved. The PC@SWNHs also act as a photoacoustic/thermal imaging agent to visualize the in vivo treatment process. Hence, this work not only paves the way to use the complementarity between SWNHs and proteins for multifunctional cancer theranostics, but it also allows for a better understanding of bio–nano interface interactions between them. Graphical abstract Image 1 [ABSTRACT FROM AUTHOR]

The structural characteristics of various carbon nanomaterials, their surface functionalization strategies, and recent advances in the field of cancer phototherapy are summarized in the Minireview by X.‐C. Shen et al. on page 3993 ff. Their excellent NIR absorption, large surface area, and appropriate size make carbon nanomaterials attractive and promising nanoplatforms for phototherapeutic applications. Despite many significant advances in this field have been made, several challenges remain to be addressed to promote their practical clinical applications. [ABSTRACT FROM AUTHOR]