*3.1. Experimental Materials*

Chitosan (544kDa, degree of deacetylation 86.7%, Nantong Xingcheng Biological Products Factory, Qingdao, China), gentamicin sulfate (AR, Aladdin Reagent Company, Shanghai, China), polyvinylpyrrolidone (medical grade, Shanghai Aladdin Reagent Company, Shanghai, China), wet burn ointment (Shantou Meibao Pharmaceutical Co., Ltd., Shantou, China), Interleukin IL-6 ELISA Kit (rabbit-IL-6, Nanjing Jiancheng Biotechnology Research Institute, Nanjing, China), Tumor Necrosis Factor TNF-α ELISA Kit (rabbit-TNF, Nanjing Jiancheng Biotechnology Research Institute, Nanjing, China), TP Kit (A045-3, Nanjing Jiancheng Bioengineering Research Institute, Nanjing, China), HYP Kit (A030-2, Nanjing Jiancheng Bioengineering Research Institute, Nanjing, China), and Calcein-AM/PI Live Cell/Dead Cell Double Staining Kit (500T, Shanghai Ye Sheng Biotechnology Co., Ltd., Shanghai, China).

Benchtop super temperature control scalder (YSL-5Q, Beijing ZhongshiDichuang Technology Development Co., Ltd., Beijing, China), microplate reader (DNM-9602, Beijing Prolong New Technology Co., Ltd., Beijing, China), inverted microscope (ECLIPSE Ti, Nikon, Tokyo, Japan), and portable high-speed disperser (S10, Ningbo Xinzhi Co., Ltd., Ningbo, China).
