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Tailoring the interface between organic semiconductor (OSC) and ferromagnetic (FM) electrodes, that is, the spinterface, offers a promising way to manipulate and optimize the magnetoresistance (MR) ratio of the organic spin valve (OSV) devices. However, the non‐destructive in situ regulation method of spinterface is seldom reported, limiting its theoretical research and further application in organic...
Targeted Mesenchymal Stem Cell Delivery
Soft microbots assembled from individual magnetic microsphere scaffold (MMS) beads carrying mesenchymal stem cells (MSCs) use an oscillating magnetic field to induce mechanical flexion to propel the microbot to the target location to release their MSC cargo to promote the wound healing process. More details can be found in article number 2300430 by King Lun...
A soft microbot assembled from individual magnetic microsphere scaffold (MMS) beads carrying mesenchymal stem cells (MSC) is navigated under magnetic actuation, where an oscillating field induces mechanical flexion to propel the microbot toward the target site. A seven‐bead microbot attained a top translational speed of 205.6 µm s−1 (0.068 body length s−1) under 10 mT and 2 Hz field oscillation. The...
Solar‐driven CO2 reaction with water oxidation into alcohols represents a promising approach to achieve real artificial photosynthesis. However, rapid recombination of photogenerated carriers seriously restricts the development of artificial photosynthesis. Herein, a facile method is explored to construct low‐cost Z‐Scheme heterostructure Cu2O/polymeric carbon nitride (PCN) by in situ growth of Cu...
As a promising candidate for the high energy density cells, the practical application of lithium‐metal batteries (LMBs) is still extremely hindered by the uncontrolled growth of lithium (Li) dendrites. Herein, a facile strategy is developed that enables dendrite‐free Li deposition by coating highly‐lithiophilic amorphous SiO microparticles combined with high‐binding polyacrylate acid (SiO@PAA) on...
In article number 1902058, Elizabeth A. Lipke and co‐workers report the establishment of a microfluidic encapsulation platform for rapid production of highly uniform cell‐laden hydrogel microspheres with high cell densities and a wide range of sizes. This new platform advances the ability to produce spheroidal engineered tissues for use in downstream applications including regenerative medicine.
This study establishes a novel microfluidic platform for rapid encapsulation of cells at high densities in photocrosslinkable microspherical hydrogels including poly(ethylene glycol)‐diacrylate, poly(ethylene glycol)‐fibrinogen, and gelatin methacrylate. Cell‐laden hydrogel microspheres are advantageous for many applications from drug screening to regenerative medicine. Employing microfluidic systems...
Exploring flexible lithium‐ion batteries is required with the ever‐increasing demand for wearable and portable electronic devices. Selecting a flexible conductive substrate accompanying with closely coupled active materials is the key point. Here, a lightweight, flexible, and freestanding MXene/liquid metal paper is fabricated by confining 3 °C GaInSnZn liquid metal in the matrix of MXene paper without...
Flame‐retardant coatings are widely used in a variety of personnel or product protection, and many applications would benefit from film stretchability if suitable materials are available. It is challenging to develop flame‐retardant coatings that are stretchable, eco‐friendly, and capable of being integrated on mechanically dynamic devices. Here, a concept is reported that uses pretextured montmorillonite...
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