“私人订制”伤口敷料:载银聚己内酯纤维膜制备及其抗菌性科普实验

In Situ Customization of Wound Dressing:Preparation and Antibacterial Properties of Silver Loaded Polycaprolactone Fiber Membranes

本科普实验从预防伤口感染的角度出发,以硝酸银和聚己内酯为原料,使用手持式静电纺丝机制备载银聚己内酯纤维膜,使用扫描电镜对其微观形貌进行了表征,并进行了抗菌性能测试,通过理论与实践相结合的方式,展示了原位抗菌纤维膜的制备原理及抗菌效果。本科普实验的操作难度低,实验结果通俗易懂,并涉及多学科知识的交叉,激发了学生的学习热情并拓展了视野。

This popular science experiment starts from the perspective of preventing wound infection with antibacterial agents.Silver nitrate and polycaprolactone are used as raw materials to prepare a silver loaded polycaprolactone fiber membranes by using a handheld electrospinning machine.The microstructure is characterized using scanning electron microscopy,and its antibacterial performance is tested.Through a combination of theory and practice,the preparation principle and antibacterial effect of in situ antibacterial fiber membrane are demonstrated.The operation process of this science popularization experiment is easy,the experimental results are easy to understand and involve the intersection of multidisciplinary knowledge,which effectively stimulates students’learning enthusiasm and expands their horizons.