ArticleChemical & biomedical imaging2025
Phenothiazine-Based Fluorescence-Quenched Photoacoustic Contrast Agents for Molecular Imaging.
Article in Chemical & biomedical imaging, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Imaging from Macro to Nanoscale: Multimodal Advances in Chemical and Biomedical Imaging.Chemical & biomedical imaging · 2026Review
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10 authors.
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Abstract
Photoacoustic imaging (PAI), renowned for its high spatial resolution and deep tissue penetration, holds great promise for disease diagnosis and molecular detection. However, the performance of commercially available PAI contrast agent is often hindered by intrinsic fluorescence, which reduces photoacoustic (PA) signal intensity and contrast, thereby limiting their applications. Herein, we rationally designed and synthesized a class of PAI contrast agents based on a phenothiazine core. By precise molecular engineering, we introduced a twisted intramolecular charge transfer (TICT) effect to suppress fluorescence, minimize radiative decay, and facilitate nonradiative energy dissipation, thereby enhancing photothermal conversion efficiency and significantly improving PA signal intensity and imaging contrast-to-noise ratio both
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