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Microengineered Emulsion-to-Powder Technology for the High-Fidelity Preservation of Molecular, Colloidal, and Bulk Properties of Hydrogel Suspensions AITranslate

Amir Sheikhi; Donatella Di Lisa; Joseph de Rutte; Outman Akouissi; Dino Di Carlo; Ali Khademhosseini;
University of California; University of Genova; University of California; University of California; University of California; University of California
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Publisher: ACS
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Abstract AITranslate

Aqueous micro/nanogel suspensions remain difficult to sterilize, store, and ship. Current techniques such as freeze-drying and spray-drying have noticeably failed to preserve the structure of gel particles undergoing drying. We invented the microengineered emulsion-to-powder (MEtoP) technology via which a dispersed phase is stabilized and protected in an engineered oil/surfactant continuous phase, followed by freezing and lyophilization. This facile method converts colloidal systems, particularly annealable hydrogel suspensions, to powders that readily revive their properties upon resuspension. The MEtoP technology may open new horizons for soft material processing and set the stage for the high-fidelity conversion of colloids to powders with defined particle distributions for a broad spectrum of advanced applications.

KeyWords AITranslate

emulsiontopowder technology resuspendable powders flowable gel microbeads microporous scaffolds particle gels colloids Show More
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.9b00265

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Citation Information:

Aqueous micro/nanogel suspensions remain difficult to sterilize, store, and ship. Current techniques such as freeze-drying and spray-drying have noticeably failed to preserve the structure of gel particles undergoing drying. We invented the microengineered emulsion-to-powder (MEtoP) technology via which a dispersed phase is stabilized and protected in an engineered oil/surfactant continuous phase, followed by freezing and lyophilization. This facile method converts colloidal systems, particularly annealable hydrogel suspensions, to powders that readily revive their properties upon resuspension. The MEtoP technology may open new horizons for soft material processing and set the stage for the high-fidelity conversion of colloids to powders with defined particle distributions for a broad spectrum of advanced applications.

quote

GB/T 7714-2015 [1] Amir Sheikhi, Donatella Di Lisa, Joseph de Rutte, et al. ACS Applied Polymer Materials, 2019(1). DOI:10.1021/acsapm.9b00265.
MLA [1] Amir Sheikhi, et al., ACS Applied Polymer Materials, no. 1, 2019, https://doi.org/10.1021/acsapm.9b00265.
APA [1] Amir Sheikhi, Donatella Di Lisa, Joseph de Rutte, Outman Akouissi, Dino Di Carlo, & Ali Khademhosseini. (2019). ACS Applied Polymer Materials(1). https://doi.org/10.1021/acsapm.9b00265
IEEE [1] Amir Sheikhi, Donatella Di Lisa, Joseph de Rutte, Outman Akouissi, Dino Di Carlo, and Ali Khademhosseini, ACS Applied Polymer Materials, no. 1, 2019, doi: 10.1021/acsapm.9b00265. keywords: {emulsiontopowder technology;resuspendable powders;flowable gel;microbeads;microporous scaffolds;particle gels;colloids;Show More}