IMECH-IR  > 非线性力学国家重点实验室
Directional transport of centimeter-scale object on anisotropic microcilia surface under water
Wang YF; Chen XD; Sun K; Li K; Zhang FL; Dai B; Shen J; Hu GQ(胡国庆); Wang ST
Source PublicationSCIENCE CHINA-MATERIALS
2019-02-01
Volume62Issue:2Pages:236-244
ISSN2095-8226
Abstract

Natural organisms such as cactus spines or trachea cilia have unique directional transport ability, owing to their anisotropic surface structures or asymmetric motion. However, most artificial interfacial materials are incapable of transporting macroscale object underwater. Herein, we report that anisotropic microcilia arrays, composed of cobalt fine powder and PDMS, can successfully transport the centimeter-scale hydrogel underwater by periodically asymmetric stroke under alternative magnetic field. Reciprocal collective stroke of anisotropic microcilia can generate directional flow, propelling the centimeter-scale hydrogel slice forward. Accompanying computational simulation results are consistent with the directional transport behaviors observed in our experiments. This study provides a clue to design artificial anisotropic interfacial materials with capability of transporting macroscale object at low Reynolds number.

Keywordmacro-object transport anisotropic surface artificial micro-cilia arrays
DOI10.1007/s40843-018-9302-4
Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000455326300010
WOS KeywordARTIFICIAL CILIA ; ACTUATORS ; ADHESION ; ARRAYS ; MOTION ; FLUID ; SOFT
WOS Research AreaMaterials Science, Multidisciplinary
WOS SubjectMaterials Science
Funding OrganizationNational Natural Science Foundation of China [21425314, 21434009, 21421061, 11402274, 11772343] ; Program for Changjiang Scholars ; Top-Notch Young Talents Program of China
CSCD IDCSCD:6411654
Classification二类/Q1
Ranking5+
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/78460
Collection非线性力学国家重点实验室
Affiliation1.{Wang, Yuefeng、Dai, Bing、Wang, Shutao} Chinese Acad Sci, Tech Inst Phys & Chem, CAS Ctr Excellence Nanosci, CAS Key Lab Bioinspired Mat & Interfacial Sci, Beijing 100190, Peoples R China
2.{Chen, Xiaodong、Hu, Guoqing} Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
3.{Sun, Kang} Sun Yat Sen Univ, Sch Engn, Guangdong Prov Key Lab Sensor Technol & Biomed In, Guangzhou 510006, Guangdong, Peoples R China
4.{Li, Ke、Shen, Jun} Chinese Acad Sci, Tech Inst Phys & Chem, Beijing 100190, Peoples R China
5.{Zhang, Feilong} Chinese Acad Sci, Inst Chem, Key Lab Green Printing, BNLMS, Beijing 100190, Peoples R China
6.{Wang, Yuefeng、Chen, Xiaodong、Li, Ke、Zhang, Feilong、Dai, Bing、Shen, Jun、Hu, Guoqing、Wang, Shutao} Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Wang YF,Chen XD,Sun K,et al. Directional transport of centimeter-scale object on anisotropic microcilia surface under water[J]. SCIENCE CHINA-MATERIALS,2019,62(2):236-244.
APA Wang YF.,Chen XD.,Sun K.,Li K.,Zhang FL.,...&Wang ST.(2019).Directional transport of centimeter-scale object on anisotropic microcilia surface under water.SCIENCE CHINA-MATERIALS,62(2),236-244.
MLA Wang YF,et al."Directional transport of centimeter-scale object on anisotropic microcilia surface under water".SCIENCE CHINA-MATERIALS 62.2(2019):236-244.
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