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Ultrafast Fabrication of Gradient Nanoporous All-Polysaccharide Films as Strong, Superfast, and Multiresponsive Actuators
Cui, Huilin1; Pan, Na1; Fan, Wenxin1; Liu, Chunzhao1,2; Li, Yanhui1; Xia, Yanzhi1; Sui, Kunyan1
2019-05-16
Source PublicationADVANCED FUNCTIONAL MATERIALS
ISSN1616-301X
Volume29Issue:20Pages:7
AbstractThe design of smart hydrogel actuators fully constructed from natural polymers for assessing the biomedical applications is important but challenging. Herein, an extremely simple, green, and ultrafast strategy is presented for preparing robust gradient all-polysaccharide polyelectrolyte complex hydrogel actuators. Driven by diffusing of low molecular weight chitosan into high molecular weight sodium alginate solution, a nanoporous, ultrastrong, and gradient chitosan/sodium alginate complex hydrogel film with adjustable thickness can be directly generated on the interface of two solutions within minutes. The as-prepared film can provide superfast temperature, ionic strength, and pH-triggered programmable deformations, and perform a distinct sequential double folding behavior due to the competitive effect between complexed and noncomplexed segments of polyelectrolyte. Besides, patterning Ca2+ to locally crosslink sodium alginate in the film enables various more complex shape transformations. This green and simple diffusion-driven strategy provides significant guidance for fabricating bio-friendly actuators with applications in drug delivery, tissue engineering, soft robotics, and active implants.
Keywordactuators diffusion hydrogel polyelectrolyte complex polysaccharides
DOI10.1002/adfm.201807692
Language英语
WOS KeywordHYDROGELS ; POLYELECTROLYTE ; CHITOSAN ; ALGINATE ; COMPLEX ; TRANSFORMATIONS ; BIOPOLYMERS ; POLYMERS ; STRENGTH
Funding ProjectNational Natural Science Foundation of China[51573080] ; National Natural Science Foundation of China[51873094] ; Key Research and Development Project of Shandong Province[2016GGX102005] ; Technology Development Project of Shinan District of Qingdao[2018-4-007-ZH] ; Program for Taishan Scholar of Shandong Province
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
Funding OrganizationNational Natural Science Foundation of China ; Key Research and Development Project of Shandong Province ; Technology Development Project of Shinan District of Qingdao ; Program for Taishan Scholar of Shandong Province
WOS IDWOS:000471335500003
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/30115
Collection中国科学院过程工程研究所
Corresponding AuthorFan, Wenxin; Sui, Kunyan
Affiliation1.Qingdao Univ, Shandong Collaborat Innovat Ctr Marine Biobased F, State Key Lab Biofibers & Ecotext, Coll Mat Sci & Engn,Inst Marine Biobased Mat, Qingdao 266071, Shandong, Peoples R China
2.Chinese Acad Sci, Univ Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Cui, Huilin,Pan, Na,Fan, Wenxin,et al. Ultrafast Fabrication of Gradient Nanoporous All-Polysaccharide Films as Strong, Superfast, and Multiresponsive Actuators[J]. ADVANCED FUNCTIONAL MATERIALS,2019,29(20):7.
APA Cui, Huilin.,Pan, Na.,Fan, Wenxin.,Liu, Chunzhao.,Li, Yanhui.,...&Sui, Kunyan.(2019).Ultrafast Fabrication of Gradient Nanoporous All-Polysaccharide Films as Strong, Superfast, and Multiresponsive Actuators.ADVANCED FUNCTIONAL MATERIALS,29(20),7.
MLA Cui, Huilin,et al."Ultrafast Fabrication of Gradient Nanoporous All-Polysaccharide Films as Strong, Superfast, and Multiresponsive Actuators".ADVANCED FUNCTIONAL MATERIALS 29.20(2019):7.
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