Microgels-on-macrogel: A simple cytophilic surface makeover of soft agarose substrates

Microgel-mediated surface modification has shown great promises for a variety of metallic and non-metallic substrates. Yet, despite its compelling merits, this approach is less implemented on soft hydrogel substrates. Here, using the well-known bioinert agarose hydrogel as an example, we highlight a...

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Main Authors: Xueying Yu, Fang Cheng, Wei He
Format: Article
Language:English
Published: Elsevier 2022-10-01
Series:JCIS Open
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2666934X22000149
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author Xueying Yu
Fang Cheng
Wei He
author_facet Xueying Yu
Fang Cheng
Wei He
author_sort Xueying Yu
collection DOAJ
description Microgel-mediated surface modification has shown great promises for a variety of metallic and non-metallic substrates. Yet, despite its compelling merits, this approach is less implemented on soft hydrogel substrates. Here, using the well-known bioinert agarose hydrogel as an example, we highlight a microgels-on-macrogel strategy that readily confers cytophilicity to the agarose surface toward anchorage-dependent cells. Specifically, we selected glycerol diglycidyl ether to tailor design polyetheramine-bisepoxide-based cationic microgels with more prominent ether alcohol features for enhanced chemical compatibility with agarose. Through a simple drop casting method, concurrent modifications of chemical, morphological and mechanical properties of the surface of agarose gel were then achieved with these microgels bound to the surface in a non-covalent yet robust manner. With the mere introduction of the cationic microgels, not only was the non-adhesive agarose surface effectively transformed to be cytophilic shown by the favorable responses from the in vitro culture of MC3T3-E1 cells, but also was hydrophobic reservoir function integrated conveniently. The demonstration of its feasibility and versatility warrants continued research of this straightforward microgels-on-macrogel strategy, which could be of value particularly for the development of novel biointerfaces.
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spelling doaj.art-df586cc1a3354c1d85efbaba152960f82022-12-22T01:44:15ZengElsevierJCIS Open2666-934X2022-10-017100056Microgels-on-macrogel: A simple cytophilic surface makeover of soft agarose substratesXueying Yu0Fang Cheng1Wei He2State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning, 116023, China; School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning, 116023, ChinaState Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning, 116023, China; School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning, 116023, ChinaState Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian, Liaoning, 116023, China; School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning, 116023, China; Corresponding author. School of Chemical Engineering, Dalian University of Technology, Dalian, Liaoning, 116023, China.Microgel-mediated surface modification has shown great promises for a variety of metallic and non-metallic substrates. Yet, despite its compelling merits, this approach is less implemented on soft hydrogel substrates. Here, using the well-known bioinert agarose hydrogel as an example, we highlight a microgels-on-macrogel strategy that readily confers cytophilicity to the agarose surface toward anchorage-dependent cells. Specifically, we selected glycerol diglycidyl ether to tailor design polyetheramine-bisepoxide-based cationic microgels with more prominent ether alcohol features for enhanced chemical compatibility with agarose. Through a simple drop casting method, concurrent modifications of chemical, morphological and mechanical properties of the surface of agarose gel were then achieved with these microgels bound to the surface in a non-covalent yet robust manner. With the mere introduction of the cationic microgels, not only was the non-adhesive agarose surface effectively transformed to be cytophilic shown by the favorable responses from the in vitro culture of MC3T3-E1 cells, but also was hydrophobic reservoir function integrated conveniently. The demonstration of its feasibility and versatility warrants continued research of this straightforward microgels-on-macrogel strategy, which could be of value particularly for the development of novel biointerfaces.http://www.sciencedirect.com/science/article/pii/S2666934X22000149MicrogelColloidAgaroseHydrogelSurface modificationCell adhesion
spellingShingle Xueying Yu
Fang Cheng
Wei He
Microgels-on-macrogel: A simple cytophilic surface makeover of soft agarose substrates
JCIS Open
Microgel
Colloid
Agarose
Hydrogel
Surface modification
Cell adhesion
title Microgels-on-macrogel: A simple cytophilic surface makeover of soft agarose substrates
title_full Microgels-on-macrogel: A simple cytophilic surface makeover of soft agarose substrates
title_fullStr Microgels-on-macrogel: A simple cytophilic surface makeover of soft agarose substrates
title_full_unstemmed Microgels-on-macrogel: A simple cytophilic surface makeover of soft agarose substrates
title_short Microgels-on-macrogel: A simple cytophilic surface makeover of soft agarose substrates
title_sort microgels on macrogel a simple cytophilic surface makeover of soft agarose substrates
topic Microgel
Colloid
Agarose
Hydrogel
Surface modification
Cell adhesion
url http://www.sciencedirect.com/science/article/pii/S2666934X22000149
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AT fangcheng microgelsonmacrogelasimplecytophilicsurfacemakeoverofsoftagarosesubstrates
AT weihe microgelsonmacrogelasimplecytophilicsurfacemakeoverofsoftagarosesubstrates