1. LPS(Prepare two solutions with a concentration of 0.2mg/mL and 1mg/mL using physiological saline as backup) Ulai Sugar (Chengdu Kelong Chemical Reagent Factory, batch number 2022032101), Eggs (purchased from Shazigou Hongqi Chain Supermarket in Wenjiang District, Chengdu), Xylene (Chengdu rhawn Chemical Reagent Factory;Zhejiang Xianju;Glacial acetic acid (glacial acetic acid) (Chengdu Kelong Chemical Reagent Factory
2. Hydrochloric acid (AR grade) (Sichuan Xilong Science Co., Ltd, batch number 211191), Potassium dichromate (AR grade) (Chengdu Kelong Chemical Reagent Factory, Concentrated sulfuric acid (AR grade) (Chengdu Kelong Chemical Reagent Factory). RAW264.7 macrophage strain was purchased from the cell bank of Shanghai Institute of Life Sciences;Formaldehyde;Sodium iodate (AR grade) (Chengdu Kelong Chemical Reagent Factory), Glycerin (glycerol, AR grade) (Chengdu Kelong Chemical Reagent Factory, batch), Yihong (AR level
3. Rabbit anti mouse p44/42 MAPK polyclonal antibody ( Cell Signaling Technology;S A U S ), ?-Mercaptoethanol(amresco;Pre stained protein marker
4. Degreasing cotton (all made by one person, weighing 20 mg each time, soaking with gentamicin, and drying in a 60 ? oven), Two sets of drainage method for measuring the volume of rat paws;Gc-Ms;Ltd; Centrifuge: TGL-16G, Shanghai Feige Instrument Co., Ltd. UV-1600 Ultraviolet Visible Spectrophotometer,2015