Enabling magnetic resonance imaging of hollow-core microstructured optical fibers via nanocomposite coating
Optical fibers are widely used in bioimaging systems as flexible endoscopes that are capable of low-invasive penetration inside hollow tissue cavities. Here, we report on the technique that allows magnetic resonance imaging (MRI) of hollow-core microstructured fibers (HC-MFs), which paves the way fo...
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| Veröffentlicht in: | Optics express 2019-04, Vol.27 (7), p.9868-9878 |
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| creator | Noskov, Roman E Zanishevskaya, Anastasia A Shuvalov, Andrey A German, Sergei V Inozemtseva, Olga A Kochergin, Taras P Lazareva, Ekaterina N Tuchin, Valery V Ginzburg, Pavel Skibina, Julia S Gorin, Dmitry A |
| description | Optical fibers are widely used in bioimaging systems as flexible endoscopes that are capable of low-invasive penetration inside hollow tissue cavities. Here, we report on the technique that allows magnetic resonance imaging (MRI) of hollow-core microstructured fibers (HC-MFs), which paves the way for combing MRI and optical bioimaging. Our approach is based on layer-by-layer assembly of oppositely charged polyelectrolytes and magnetite nanoparticles on the inner core surface of HC-MFs. Incorporation of magnetite nanoparticles into polyelectrolyte layers renders HC-MFs visible for MRI and induces the red-shift in their transmission spectra. Specifically, the transmission shifts up to 60 nm have been revealed for the several-layers composite coating, along with the high-quality contrast of HC-MFs in MRI scans. Our results shed light on marrying fiber-based endoscopy with MRI to open novel possibilities for minimally invasive clinical diagnostics and surgical procedures in vivo. |
| doi_str_mv | 10.1364/OE.27.009868 |
| format | Article |
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| title | Enabling magnetic resonance imaging of hollow-core microstructured optical fibers via nanocomposite coating |
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