Fabrication of strongly near-infrared absorbing vesicles by stabilizing chromogenic radicals in biomimetic membranes
Source abstract
Abstract
Abstract An efficient approach for fabrication of novel near-infrared (NIR) absorbing materials has been developed based on stabilization of chromogenic radicals in lipid membranes. Compared with the closed-shell molecules, radicals or radical ions of organic chromophores usually display remarkably red-shifted absorption. However, stabilization and functionalization of these radicals is still a challenging task. Herein, biomimetic membranes were employed as a platform for stabilization and convenient functionalization of chromogenic radicals. NIR optical vesicles can be facilely formed by co-assembly of radical-dominated supramolecular chromophores with surfactants in aqueous solution. The as-formed dye-interbedded vesicles with biomimetic membrane surfaces displays strong NIR absorption and electron spin resonance signals, sensitive photoacoustic response upon NIR excitation, and minimal nonspecific interaction with biological macro-molecules. Furthermore, doping of the chromogenic interlayers to optimize the optical properties and modification of the membrane surfaces for functionalization towards bioanalytical applications can be carried out under ambient conditions.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Luminescence and Fluorescent Materials · Perovskite Materials and Applications · Porphyrin and Phthalocyanine Chemistry
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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