1. NIR-II dual-modal optical coherence tomography and photoacoustic imaging-guided dose-control cancer chemotherapy

    NIR-II dual-modal optical coherence tomography and photoacoustic imaging-guided dose-control cancer chemotherapy

    In this study, an organic nano-drug delivery platform was constructed as a biocompatible cancer chemotherapeutic system, in which clini-cally approved sorafenib was loaded in the redox-responsive polymeric micelles, enabling dose-control release of drug to cancer tissues. In addition, visualizing tumor microenvironment changes is also essential for cancer chemotherapy, which can provide a priori and feedback control of drug delivery with reduced side effect. Therefore, second near-infrared window (NIR-II) dual-modal optical coherence tomogra-phy (OCT) and photoacoustic imaging were performed for real-time visualizing tumor microenvironment changes in vivo during chemo-therapy. In particular, the tumor angiogenesis, the vascular networks density change, and the ...

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