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Nanoscale organization and functional analysis of carnivorous plant mucilage by atomic force microscopy
Li M(李密)1,2,3; Wang YC(王越超)1,2,3; Liu LQ(刘连庆)1,2,3
Department机器人学研究室
Source PublicationIEEE Transactions on Nanotechnology
ISSN1536-125X
2020
Volume19Pages:579-593
Indexed BySCI ; EI
EI Accession number20203109002969
WOS IDWOS:000554886000003
Contribution Rank1
Funding OrganizationNational Natural Science Foundation of China under Grants 61922081, 61873258, U1613220, and 91748212 ; Key Research Program of Frontier Sciences CAS (ZDBS-LY-JSC043), in partby the Youth Innovation Promotion Association CAS (2017243) ; LiaoNing Revitalization Talents Program (XLYC1907072)
KeywordAtomic force microscopy carnivorous plant mucilage Pinguicula, Sarracenia nanofiber nanoparticle
Abstract

Uncovering the underlying mechanisms guiding the behaviors of natural sticky glue is of important significance for developing novel biomimetic or bioinspired materials to regulate cellular activities. Carnivorous plants secrete adhesive mucilage to capture insects, but the nanoscale organizations of the mucilage are still not fully understood. In particular, the advent of atomic force microscopy (AFM) provides a powerful tool for investigating the structures and properties of biological samples in their native states with unprecedented spatial resolution, offering novel possibilities for the studies of characterizing biomaterials. In this work, AFM was utilized to reveal the nanostructures of mucilage secreted by carnivorous plant (Pinguicula and Sarracenia) for promoting cell growth. AFM imaging of the mucilage-coated substrates in air showed that nanostructures (nanoparticles and nanofibers) with different assembly behaviors were significantly observed in mucilage, which were confirmed by electron microscopy imaging. AFM in situ imaging in liquids remarkably revealed that nanoparticles were contained in native mucilage. The mechanical properties of individual nanofibers were visualized and quantified by AFM indenting assays. The elemental organizations of the mucilage were analyzed, and the experiments of cells grown on mucilage-coated substrates indicated that carnivorous plant mucilage could facilitate cell growth. The research provides novel insights into the nanostructures and mechanical properties as well as biological functions of mucilage secreted by carnivorous plants, which will have potential impacts on the studies of biomaterials for tuning cell behaviors.

Language英语
WOS SubjectEngineering, Electrical & Electronic ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS KeywordHYDROGELS ; CELLS ; ADHESIVE ; SURFACE ; NECTAR ; MECHANICS ; STIFFNESS ; PITCHERS ; FLUID
WOS Research AreaEngineering ; Science & Technology - Other Topics ; Materials Science ; Physics
Funding ProjectNational Natural Science Foundation of China[61922081] ; National Natural Science Foundation of China[61873258] ; National Natural Science Foundation of China[U1613220] ; National Natural Science Foundation of China[91748212] ; Key Research Program of Frontier Sciences CAS[ZDBS-LY-JSC043] ; Youth Innovation Promotion Association CAS[2017243] ; LiaoNing Revitalization Talents Program[XLYC1907072]
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Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/27481
Collection机器人学研究室
Corresponding AuthorLi M(李密); Liu LQ(刘连庆)
Affiliation1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, China
3.University of ChineseAcademy of Sciences,Beijing 100049, China
4.University of Hong Kong, 25809 Hong Kong, Hong Kong China
Recommended Citation
GB/T 7714
Li M,Wang YC,Liu LQ. Nanoscale organization and functional analysis of carnivorous plant mucilage by atomic force microscopy[J]. IEEE Transactions on Nanotechnology,2020,19:579-593.
APA Li M,Wang YC,&Liu LQ.(2020).Nanoscale organization and functional analysis of carnivorous plant mucilage by atomic force microscopy.IEEE Transactions on Nanotechnology,19,579-593.
MLA Li M,et al."Nanoscale organization and functional analysis of carnivorous plant mucilage by atomic force microscopy".IEEE Transactions on Nanotechnology 19(2020):579-593.
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