Croconaine Rotaxane Dye with 984 nm Absorption: Wavelength-Selective Photothermal Heating
نویسندگان
چکیده
منابع مشابه
Croconaine rotaxane for acid activated photothermal heating and ratiometric photoacoustic imaging of acidic pH.
Absorption of 808 nm laser light by liposomes containing a pH sensitive, near-infrared croconaine rotaxane dye increases dramatically in weak acid. A stealth liposome composition permits acid activated, photothermal heating and also acts as an effective nanoparticle probe for ratiometric photoacoustic imaging of acidic pH in deep sample locations, including a living mouse.
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The photothermal effect is the generation of heat by molecules or particles upon high-energy laser irradiation, and near-infrared absorbers such as gold nanoparticles and organic dyes have a range of potential photothermal applications. The favourable photothermal properties of thiophene-functionalised croconaine dyes were recently discovered. The synthesis and properties of novel croconaine ro...
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The photothermal heating and release properties of biocompatible organic nanoparticles, doped with a near-infrared croconaine (Croc) dye, were compared with analogous nanoparticles doped with the common near-infrared dyes ICG and IR780. Separate formulations of lipid-polymer hybrid nanoparticles and liposomes, each containing Croc dye, absorbed strongly at 808 nm and generated clean laser-induc...
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ژورنال
عنوان ژورنال: European Journal of Organic Chemistry
سال: 2019
ISSN: 1434-193X
DOI: 10.1002/ejoc.201900082