Portable direct spraying porous nanofibrous membranes stent-loaded polymyxin B for treating diabetic wounds with difficult-to-heal gram-negative bacterial infections.

5 a–b, the Control group had the largest dermal opening of its length, followed by the PVB/PVP, PVB/PVP-PMB1, PVB/PVP-PMB10 groups, and finally, the PVB/PVP-PMB5 group showed the best repair results, presenting a decreasing and then an increasing trend, indicating that all the nanofibrous dressings could promote wound healing.

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In contrast, the experimental group showed a trend toward rapid wound healing, suggesting that the experimental group was effective in controlling the infection and promoting the Healing of infected diabetic wounds.

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