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241205s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202309166
|2 doi
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|a pubmed24n1622.xml
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|a (DE-627)NLM381187195
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|a (NLM)39632473
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Kafrashian, Zahra
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Segmented, Side-Emitting Hydrogel Optical Fibers for Multimaterial Extrusion Printing
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|c 2024
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| 336 |
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|a Text
|b txt
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 05.12.2024
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|a published: Print-Electronic
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|a Citation Status Publisher
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|a © 2024 The Author(s). Advanced Materials published by Wiley‐VCH GmbH.
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|a Side-emitting optical fibers allow light to be deliberately outcoupled along the fiber. Introducing a customized side-emission profile requires modulation of the guiding and emitting properties along the fiber length, which is a particular challenge in continuous processing of soft waveguides. In this work, it is demonstrated that multimaterial extrusion printing can generate hydrogel optical fibers with tailored segments for light-side emission. The fibers are based on diacrylated Pluronic F-127 (PluDA). 1 mm diameter fibers are printed with segments of different optical properties by switching between a PluDA waveguiding ink and a PluDA scattering ink containing nanoparticles. The method allows the fabrication of fibers with segment lengths below 500 microns in a continuous process. The length of the segments is tailored by varying the switching time between inks during printing. Fibers with customized side-emission profiles along their length are presented. The functionality of the printed fibers is demonstrated by exciting fluorescence inside a surrounding 3D hydrogel. The presented technology and material combination allow unprecedented flexibility for designing soft optical fibers with customizable optical properties using simple processes and a medical material. This approach can be of interest to improve illumination inside tissues for photodynamic therapy (PDT)
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|a Journal Article
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|a hydrogel extrusion printing
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|a hydrogel waveguide
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|a multimaterial printing
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| 650 |
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|a photoactivation
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4 |
|a side‐emitting optical fiber
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| 700 |
1 |
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|a Brück, Stefan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rogin, Peter
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Khamdan, Mokhamad
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Farrukh, Hafiz Syed Usama Bin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Pearson, Samuel
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Del Campo, Aránzazu
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g (2024) vom: 04. Dez., Seite e2309166
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|x 1521-4095
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|g year:2024
|g day:04
|g month:12
|g pages:e2309166
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|u http://dx.doi.org/10.1002/adma.202309166
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