DataVXAdvanced SciencePaper
journal article·2018-06Open access

Compartmentalized Microhelices Prepared via Electrohydrodynamic Cojetting

Manjae Gil, Seongjun Moon, Jaewon Yoon, Sahar Rhamani, Jae‐Won Shin, Kyung Jin Lee, Joerg Lahann

Advanced Science· Volume 5· Issue 6
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Source abstract

Abstract

Abstract Anisotropically compartmentalized microparticles have attracted increasing interest in areas ranging from sensing, drug delivery, and catalysis to microactuators. Herein, a facile method is reported for the preparation of helically decorated microbuilding blocks, using a modified electrohydrodynamic cojetting method. Bicompartmental microfibers are twisted in situ, during electrojetting, resulting in helical microfibers. Subsequent cryosectioning of aligned fiber bundles provides access to helically decorated microcylinders. The unique helical structure endows the microfibers/microcylinders with several novel functions such as translational motion in response to rotating magnetic fields. Finally, microspheres with helically patterned compartments are obtained after interfacially driven shape shifting of helically decorated microcylinders.
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Research context

Catalysis & surfaces

OpenAlex topics: Pickering emulsions and particle stabilization · Electrohydrodynamics and Fluid Dynamics · Micro and Nano Robotics

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Fine Chemical Engineering and Applied Chemistry College of Engineering Chungnam National University 99 Daehak‐ro (st) Yuseong‐gu Daejeon 305‐764 Republic of Korea

Macromolecular Science and Engineering University of Michigan Ann Arbor MI 48109 USA

Department of Biomedical Engineering University of Michigan Ann Arbor MI 48109 USA

Institute of Functional Interfaces Karlsruhe Institute of Technology 76344 Eggenstein‐Leopoldshafen Germany

Department of Chemical Engineering University of Michigan Ann Arbor MI 48109 USA

Funding

Defense Threat Reduction Agency · Helmholtz-Gemeinschaft · National Research Foundation of Korea · Korea Institute of Energy Technology Evaluation and Planning · Ministry of Trade, Industry and Energy

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