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Durable superamphiphobic silica aerogel surfaces for the culture of 3D cellular spheroids

National Science Review 2019年第6期6卷 1255-1265页

作者： Lianyi Xu Shuangshuang Chen Xuemin Lu Qinghua Lu School of Materials Science Institute of Energy Equipment Materials Shanghai Dianji University School of Chemical Science and Engineering Tongji University School of Chemistry and Chemical Engineering State Key Laboratory of Metal Matrix Composite Shanghai Jiao Tong University

The 3D multicellular spheroids with intact cell–cell junctions have major roles in biological research by virtue of their unique advantage of mimicking the cellular physiological environments. In this work, a durable superamphiphobic silica aerogel surface(SSAS) has been fabricated for the upward culture of 3D multicellular spheroids. Poly(3,4-ethylenedioxythiophene)(PEDOT) was first electrodeposited on a conductive steel mesh as a first template for porous silica coating. Soot particles were then applied as a second template to construct a cauliflower-like silica aerogel nanostructure. After fluorination, a hierarchical structure with re-entrant curvature was finally fabricated as a durable superamphiphobic surface. This superamphiphobic surface also presented excellent antifouling towards biomacromolecules and cells, which has been demonstrated by the successful upward culture of cell spheroids. The upward culture makes the observation of cellular behavior in situ possible, holding great potential for 3D cellular evaluation in vitro.

关键词： cell spheroids superamphiphobicity durability electrochemistry silica aerogel

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Advance in Structural Classification and Stability Study of Superamphiphobic Surfaces

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Journal of Bionic Engineering 2023年第1期20卷 366-389页

作者： Haili Zhang Deke Li Jinxia Huang Zhiguang Guo Weiming Liu Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials School of Materials Science and Engineering and Hubei Key Laboratory of Polymer MaterialsHubei UniversityWuhan430062China State Key Laboratory of Solid Lubrication Lanzhou Institute of Chemical PhysicsChinese Academy of SciencesLanzhou730000China School of Materials Engineering Lanzhou Institute of TechnologyLanzhou730050China

Superamphiphobic surfaces have great potential applications in flame resistance,anti-icing,self-cleaning,anti-adhesion,micro-flow control and so ***,the surface durability is poor owing to the limitation of design *** recent years,a lot of efforts have been carried out on the morphology,structure,and stability of superamphiphobic surfaces,resulting in significant improvement in their surface superwetting *** this review,we present a brief classification of the morphological types of superamphiphobic surfaces and summary of the recent progress of researches on the stability of superamphiphobic *** testing methods of mechanical and chemical stability are listed in the article,together with the characteristic results,to provide a better and more detailed understanding of the current research status on superamphiphobic surface stability,which will be of considerable importance as a reference guide for our future *** course,there are still some issues that need to be addressed for the application of superamphiphobic surfaces at large scale,and this is where our future researches will be ***,we discuss the challenges as well as the prospects in the study of superamphiphobic surfaces.

关键词： superamphiphobicity Structure Morphology Stability

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Snakeskin‑Inspired Hierarchical Winkled Surface for Ultradurable Superamphiphobic Fabrics via Short‑Fluorinated Polymer Reactive Infusion

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Advanced Fiber Materials 2023年第2期5卷 543-553页

作者： Mingqing Yu Wei Lyu Yaozu Liao Meifang Zhu State Key Laboratory for Modification of Chemical Fibers and Polymer Materials&College of Materials Science and Engineering Donghua UniversityShanghai 21620China

Durable superamphiphobic surfaces are highly desired for real-world applications such as self-cleaning,anti-fouling,personal protection,and functional ***,challenges still exist in constructing robust superamphiphobic surfaces by using short-fluorinated polymers as one of the promising alternatives for environmentally unfriendly long perfluorinated side-chain *** patterns on biological skins endow the creatures with a specific surface for ***,a facile strategy was proposed to generate hierarchical wrinkles for ultradurable superamphiphobic fabrics by simulating the deformation adaptability of ***-like hierarchical winkling was constructed by the infusion of reactive perfluorooctyltriethoxysilane(FOS)in a wet chemical plus vapor polymerization *** the infusion of FOS,the mismatch of shrinkage caused by gradient crosslinking leads to the formation of a soft wrinkled poly(perfluorooctyl trieth-oxysilane)(poly-FOS)*** a snakeskin-like hierarchical wrinkled surface and high fluorine density of poly-FOS endowed the treated superamphiphobic fabrics with high water resistance(contact angle 169°),castor oil resistance(154°),and extraordinary durability(withstanding 100 standard laundries,15,000 rubbing cycles and strong acid and alkali solu-tions).Moreover,a superamphiphobic surface can be formed on various substrates,including fabric,wood,paper,and *** work thus gives new insights into the environmentally friendly manufacture of ultradurable superamphiphobic fabrics.

关键词： superamphiphobicity Short-fluorinated polymer Hierarchical wrinkled surface Ultradurable Gradient crosslinking

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Construction of mechanically robust superamphiphobic surfaces on fiber using large particles

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Frontiers of Materials Science 2022年第4期16卷 27-35页

作者： Chang LV Jinyi WANG Qirong TIAN Zhicheng ZHANG Tao WANG Rongfei LIU Sheng WANG School of Materials Science and Engineering Zhejiang Sci-Tech UniversityHangzhou 310018China Zhejiang Kangjiesi New Material Technology Co. LTD.Zhuji 311800China

Superamphiphobic surfaces have attracted the attention of researchers because of their broad application ***,superamphiphobicity is primarily achieved by minimizing the solid-liquid contact *** the past few decades,researchers have primarily focused on using physical deposition methods to construct superamphiphobic surfaces using fine-sized nanoparticles(superamphiphobicity and could repel various liquids,covering a wide rangeof surfacetensions(27.4-72.0mN-m^(-1)).

关键词： superamphiphobicity solid-liquid contact area SiO_(2) hierarchical structure spray-coating robustness

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