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Diabetic wounds, which are a serious complication of diabetes, are a threat to most diabetic patients and there is a lack of satisfactory therapeutic strategies. Mesenchymal stem cell (MSC) spheroids are under intensive investigation and have emerged as a particularly promising clinical therapy to induce wound healing; however, clinical applications of MSC spheroids have lagged because of the difficulties...
Engineering triple‐phase boundaries in low Pt‐loaded catalyst layers is highly desired yet challenging due to the poor Pt utilization caused by inhomogeneous Nafion ionomer coverage over catalyst nanoparticles and high mass transport resistance near catalyst surface. Herein, an effective Pt catalyst/support design strategy by using urea to modify the carbon supports is reported, in which the balance...