Universal, Surfactant-Free Preparation of Hydrogel Beads on Superamphiphobic and Slippery Surfaces

Christoph Schlaich; Yue Fan; Pradip Dey; Jiaxi Cui; Qiang Wei; Rainer Haag; Xu Deng

doi:10.1002/admi.201701536

Universal, Surfactant-Free Preparation of Hydrogel Beads on Superamphiphobic and Slippery Surfaces

Christoph Schlaich, Yue Fan, Pradip Dey, Jiaxi Cui, Qiang Wei^*, Rainer Haag, Xu Deng

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

In this study a surfactant-free and shape controllable preparation of microgel beads using super-repellent surfaces is reported. The extreme hydrophobicity and the interfacial tension of the liquid force the droplet of a gel precursor solution into spherical shape on a superamphiphobic or hemisphere shape on slippery surface. During gelation on the surface, the shape is maintained. Living cells and molecules, which hardly interact with substrate, can be therefore encapsulated in situ. The encapsulation of MC3T3 mouse osteoblast is demonstrated as a proof of concept.

Original language	English
Article number	1701536
Journal	Advanced Materials Interfaces
Volume	5
Issue number	7
DOIs	https://doi.org/10.1002/admi.201701536
State	Published - 9 Apr 2018
Externally published	Yes

Keywords

cell encapsulation
hydrogel
slippery surfaces
superamphiphobic surfaces

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10.1002/admi.201701536

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abstract = "In this study a surfactant-free and shape controllable preparation of microgel beads using super-repellent surfaces is reported. The extreme hydrophobicity and the interfacial tension of the liquid force the droplet of a gel precursor solution into spherical shape on a superamphiphobic or hemisphere shape on slippery surface. During gelation on the surface, the shape is maintained. Living cells and molecules, which hardly interact with substrate, can be therefore encapsulated in situ. The encapsulation of MC3T3 mouse osteoblast is demonstrated as a proof of concept.",

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AU - Schlaich, Christoph

AU - Fan, Yue

AU - Dey, Pradip

AU - Cui, Jiaxi

AU - Wei, Qiang

AU - Haag, Rainer

AU - Deng, Xu

PY - 2018/4/9

Y1 - 2018/4/9

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AB - In this study a surfactant-free and shape controllable preparation of microgel beads using super-repellent surfaces is reported. The extreme hydrophobicity and the interfacial tension of the liquid force the droplet of a gel precursor solution into spherical shape on a superamphiphobic or hemisphere shape on slippery surface. During gelation on the surface, the shape is maintained. Living cells and molecules, which hardly interact with substrate, can be therefore encapsulated in situ. The encapsulation of MC3T3 mouse osteoblast is demonstrated as a proof of concept.

KW - cell encapsulation

KW - hydrogel

KW - slippery surfaces

KW - superamphiphobic surfaces

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Universal, Surfactant-Free Preparation of Hydrogel Beads on Superamphiphobic and Slippery Surfaces

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