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Royal College of Surgeons in Ireland

Chemistry Articles

Near-Infrared

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Full-Text Articles in Medicinal-Pharmaceutical Chemistry

Bf2-Azadipyrromethene Nir-Emissive Fluorophores With Research And Clinical Potential., Harrison C. Daly, Gonzalo Sampedro, Corentin Bon, Dan Wu, Ghazi Ismail, Ronan A. Cahill, Donal F. O'Shea Jul 2017

Bf2-Azadipyrromethene Nir-Emissive Fluorophores With Research And Clinical Potential., Harrison C. Daly, Gonzalo Sampedro, Corentin Bon, Dan Wu, Ghazi Ismail, Ronan A. Cahill, Donal F. O'Shea

Chemistry Articles

The use of near-infrared fluorescence for in vivo research and intraoperative clinical imaging is rapidly expanding, with new applications being proposed and developed. While imaging hardware and software have significantly progressed in recent times, the molecular fluorescent agents remain a limiting factor. In this report, the design, synthesis, photophysical characterization and bio-medical imaging assessment of two new NIR-fluorophores based on the BF


Lysosome Triggered Near-Infrared Fluorescence Imaging Of Cellular Trafficking Processes In Real Time., Marco Grossi, Marina Morgunova, Shane Cheung, Dimitri Scholz, Emer Conroy, Marta Terrile, Angela Panarella, Jeremy C. Simpson, William M. Gallagher, Donal F. O'Shea Mar 2016

Lysosome Triggered Near-Infrared Fluorescence Imaging Of Cellular Trafficking Processes In Real Time., Marco Grossi, Marina Morgunova, Shane Cheung, Dimitri Scholz, Emer Conroy, Marta Terrile, Angela Panarella, Jeremy C. Simpson, William M. Gallagher, Donal F. O'Shea

Chemistry Articles

Bioresponsive NIR-fluorophores offer the possibility for continual visualization of dynamic cellular processes with added potential for direct translation to in vivo imaging. Here we show the design, synthesis and lysosome-responsive emission properties of a new NIR fluorophore. The NIR fluorescent probe design differs from typical amine functionalized lysosomotropic stains with off/on fluorescence switching controlled by a reversible phenol/phenolate interconversion. Emission from the probe is shown to be highly selective for the lysosomes in co-imaging experiments using a HeLa cell line expressing the lysosomal-associated membrane protein 1 fused to green fluorescent protein. The responsive probe is capable of real-time ...