| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Rottmar, Markus
Swiss Federal Laboratories for Materials Science and Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024Amino-acid-specific thiol-ene coupling governs hydrogel crosslinking mechanism and cell behaviorcitations
- 20233D-printed poly(3-hydroxybutyrate-co-3-hydroxyhexanoate)-cellulose-based scaffolds for biomedical applicationscitations
- 20233D-Printed Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate)-Cellulose-Based Scaffolds for Biomedical Applicationscitations
- 2023Surface chemistry dictates the osteogenic and antimicrobial properties of palladium-, platinum-, and titanium-based bulk metallic glassescitations
- 2022Multiscale 2D/3D microshaping and property tuning of polymer-derived SiCN ceramicscitations
- 2022Palladium-based metallic glass with high thrombogenic resistance for blood-contacting medical devicescitations
- 2021Nano‐3D‐printed photochromic micro‐objectscitations
- 2020In vitro cytocompatibility assessment of Ti-modified silicon-oxycarbide based polymer-derived ceramic implantable electrodes under pacing conditionscitations
- 2020Responsive Nanofibers with Embedded Hierarchical Lipid Self-Assembliescitations
- 2019Mussel-inspired injectable hydrogel adhesive formed under mild conditions features near-native tissue propertiescitations
- 2018Controlling the surface structure of electrospun fibers: effect on endothelial cells and blood coagulationcitations
- 2016A bioinspired ultraporous nanofiber-hydrogel mimic of the cartilage extracellular matrixcitations
Places of action
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article
Nano‐3D‐printed photochromic micro‐objects
Abstract
Molecular photoswitches that can reversibly change color upon irradiation are promising materials for applications in molecular actuation and photoresponsive materials. However, the fabrication of photochromic devices is limited to conventional approaches such as mold casting and spin-coating, which cannot fabricate complex structures. Reported here is the first photoresist for direct laser writing of photochromic 3D micro-objects via two-photon polymerization. The integration of photochromism into thiol-ene photo-clickable resins enables rapid two-photon laser processing of highly complex microstructures and facile postmodification using a series of donor-acceptor Stenhouse adduct (DASA) photoswitches with different excitation wavelengths. The versatility of thiol–ene photo-click reactions allows fine-tuning of the network structure and physical properties as well as the type and concentration of DASA. When exposed to visible light, these microstructures exhibit excellent photoresponsiveness and undergo reversible color-changing via photoisomerization. It is demonstrated that the fluorescence variations of DASAs can be used as a reporter of photoswitching and thermal recovery, allowing the reading of DASA-containing sub-micrometric structures in 3D. This work delivers a new approach for custom microfabrication of 3D photochromic objects with molecularly engineered color and responsiveness.