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Motile metal−organic frameworks (MOFs) are potential candidates to serve as small‐scale robotic platforms for applications in environmental remediation, targeted drug delivery, or nanosurgery. Here, magnetic helical microstructures coated with a kind of zinc‐based MOF, zeolitic imidazole framework‐8 (ZIF‐8), with biocompatibility characteristics and pH‐responsive features, are successfully fabricated...
Metal–organic frameworks (MOFs) have been recently used as building blocks in micro‐ and nanoswimmers; in article number 1901592, Josep Puigmartí‐Luis and co‐workers present 3D soft‐based MOF microrobots that can swim along pre‐designed tracks, achieving both single‐cell targeting in a cell‐culture media and controlled delivery of cargo payloads.
Biocompatibility and high responsiveness to magnetic fields are fundamental requisites to translate magnetic small‐scale robots into clinical applications. The magnetic element iron exhibits the highest saturation magnetization and magnetic susceptibility while exhibiting excellent biocompatibility characteristics. Here, a process to reliably fabricate iron microrobots by means of template‐assisted...
Theories suggest that ancient Egyptians believed that the bones of gods were made of iron. Indeed, iron has been suggested as a key material in implantable biodegradable medical devices. In article number 1805006, Sangwon Kim, Bradley J. Nelson, Salvador Pané, and co‐workers describe how to manufacture three‐dimensional fully iron magnetic microrobots for biomedical applications using two‐photon polymerization...
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