In recent years, although light-driven soft actuators have attracted intense scientific attention and achieved remarkable progress, the design and construction of an intelligent robotic system with maneuverability, self-adaptability, untethered control, and greater freedom of action, in particular the omnidirectional motion capability on a plane, remains challenging. Herein, four types of photo-thermal fillers and an unprecedented twist-bend actuation mode is introduced into a liquid crystal elastomer-based soft robot. The obtained twist-bend crawling robot not only exhibits in situ rotation, four-way turning, and four-way linear motion under light irradiation with four wavelength bands (520, 655, 808, and 980 nm), but also demonstrates the ability to avoid obstacles in complex geographical environments. This work may bring a new perspective for fabrication and development of soft robots that can adapt to dynamic and complex environmental conditions.
developing ultrahigh efficient artificial LHSs would provide pathway for improving the efficiency of artificial LHSs as well as their applications such as sensors, catalysts, encryption, anti-counterfeiting, and beyond.
Supramolecular luminescent nano‐assemblies for cell imaging have recently attracted increasing interest, not only because of their outstanding photophysical properties, but also because of their easy fabrication through supramolecular strategies, good biocompatibility, high stability to photo‐ and micro‐environments in cells, and facile combination of imaging and synergistic therapy for cancers. Luminescence‐based bioimaging has great advantages, such as high sensitivity, being non‐invasive, and functioning in real‐time, leading to its wide application in many fields, including disease research, drug research, cell markers, gene expression, gene function studies, and protein interaction. In this Review, recent progress in the application of macrocycle‐mediated (e.g., cyclodextrins, cucurbiturils, calixarenes, and pillar[n]arenes) and functionalized amphiphilic molecule‐based supramolecular luminescent nanoparticles in cell imaging, especially targeted cell imaging of specific organelles, is reviewed. The combination of imaging with drug delivery, gene delivery, and photodynamic therapy is also introduced.
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