Ruthenium (II) polypyridyl complexes as two-photon absorbers and sensitizers: Design, structure-properties relationships and applications

Fillaut, Jean-Luc

doi:10.1016/j.ccr.2024.216050

Coordination Chemistry Reviews

2024

DOI: 10.1016/j.ccr.2024.216050

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Ruthenium (II) polypyridyl complexes as two-photon absorbers and sensitizers: Design, structure-properties relationships and applications

Jean-Luc Fillaut

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Near‐Infrared Bioimaging Using Two‐photon Fluorescent Probes

Pragti,

Kundu,

Chen

et al. 2024

Adv Healthcare Materials

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Near‐infrared (NIR) bioimaging has emerged as a transformative technology in biomedical research. Among many fluorescent probes that are suitable for NIR imaging studies, two‐photon absorption (TPA) ones represent a particularly promising category, because TPA fluorescent probes can overcome the inherent limitations of one‐photon absorption (OPA) counterparts. By leveraging the unique properties of two‐photon absorption, TPA fluorescent probes achieve superior tissue penetration, significantly reduced photodamage, and enhanced spatial resolution. This perspective article delves into the fundamental principles, design strategies, and representative TPA probes for various imaging applications. In particular, a number of molecular fluorescent probes, ranging from organic, inorganic, and COF/MOF‐based systems are highlighted to showcase the vast scope of possible TPA probe design and application scenarios. In addition, the employment of stimulated TPA probes that are responsive to different external factors, including pH, redox species, enzymes, and hypoxia, is also discussed. In the end, the future perspectives for the continuous advancement of TPA fluorescent probes in the NIR bioimaging field are presented. For instance, it is essential to transition from cellular to in vivo imaging studies to obtain more physiologically relevant insights. Additionally, the development of “dual‐function” TPA probes for both disease diagnosis and therapeutic treatment is particularly promising.

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Near‐Infrared Bioimaging Using Two‐photon Fluorescent Probes

Pragti,

Kundu,

Chen

et al. 2024

Adv Healthcare Materials

View full text Add to dashboard Cite

show abstract

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Ruthenium (II) polypyridyl complexes as two-photon absorbers and sensitizers: Design, structure-properties relationships and applications

Cited by 1 publication

References 265 publications

Near‐Infrared Bioimaging Using Two‐photon Fluorescent Probes

Near‐Infrared Bioimaging Using Two‐photon Fluorescent Probes

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