Photonic Capsule Sensors with Built-In Colloidal Crystallites

© 2018 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim.

Bibliographische Detailangaben
Veröffentlicht in:Advanced materials (Deerfield Beach, Fla.). - 1998. - 30(2018), 43 vom: 27. Okt., Seite e1803387
1. Verfasser: Choi, Tae Min (VerfasserIn)
Weitere Verfasser: Je, Kwanghwi, Park, Jin-Gyu, Lee, Gun Ho, Kim, Shin-Hyun
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2018
Zugriff auf das übergeordnete Werk:Advanced materials (Deerfield Beach, Fla.)
Schlagworte:Journal Article colloidal crystals microcapsules microfluidics microsensors photonic crystals
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520 |a Technologies to monitor microenvironmental conditions and its spatial distribution are in high demand, yet remain unmet need. Herein, photonic microsensors are designed in a capsule format that can be injected, suspended, and implanted in any target volume. Colorimetric sensors are loaded in the core of microcapsules by assembling core-shell colloids into crystallites through the depletion attraction. The shells of the colloids are made of a temperature-responsive hydrogel, which enables the crystallites to rapidly and widely tune the structural color in response to a change in temperature while maintaining close-packed arrays. The spherical symmetry of the microcapsules renders them optically isotropic, i.e., displaying orientation-independent color. In addition, as a solid membrane is used to protect the delicate crystallites from external stresses, their high stability is assured. More importantly, each microcapsule reports the temperature of its microenvironment so that a suspension of capsules can provide information on the spatial distribution of the temperature 
650 4 |a Journal Article 
650 4 |a colloidal crystals 
650 4 |a microcapsules 
650 4 |a microfluidics 
650 4 |a microsensors 
650 4 |a photonic crystals 
700 1 |a Je, Kwanghwi  |e verfasserin  |4 aut 
700 1 |a Park, Jin-Gyu  |e verfasserin  |4 aut 
700 1 |a Lee, Gun Ho  |e verfasserin  |4 aut 
700 1 |a Kim, Shin-Hyun  |e verfasserin  |4 aut 
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