Hydrogen peroxide h2o2

Fluorinated ethylene propylene (FEP), Polytetrafluoro ethylene (PTFE), PVC electrical insulating tape and conductive enameled copper wire and foil were purchased from Alibaba’s e-commerce platform. MEthanol, Ethanol, N-propanol, Ethylene glycol, Glycerol, Formamide, Acetamide, Propionamide, Malonamide, Formic acid, Oxalic acid, Pentane-1,3,5-tricarboxylic acid, Acetic acid, Benzonitrile, Acetonitrile, Succinonitrile, Deuterium oxide (D₂O), Hydrogen peroxide (H₂O₂) were acquired from Shanghai Macklin Biochemical Co, Ltd. (Shanghai, China). Some liquids with specified concentrations in the experiment need to be prepared in advance. The concentrations of Glycerol and H₂O₂ were set to 50% and 35%, respectively. Some of the other liquids purchased are solids that need to be prepared as 0.1 mol/L solutions. In order to completely rub the liquid and solid materials of the U-tube TENG to generate electricity, an electric rocker arm was used to shake the U-tube.

SEL was purchased from Innova Bay (Shenzhen) Technology Ltd. (Shenzhen, China). SEL was extracted as follows: freeze-dried cells of Schizochytrium sp. INNOVA23 were placed in a pretreated filter paper bag as a filter paper package and extracted with methanol in a Soxhlet extractor at 60 °C for 72 h. The extracted liquid was evaporated to dryness at 60 °C by using a rotary evaporator.
Dimethyl sulfoxide (DMSO), ethanol, methanol, sulfuric acid, hydrogen peroxide (H₂O₂), dichloromethane, formalin buffer, xylene, and hematoxylin, and eosin were purchased from Macklin (Shanghai, China). Dulbecco’s Eagle medium (DMEM) and fetal bovine serum (FBS) were purchased from Hyclone (Logan, UT, USA). CCK-8, minoxidil, and 2′,7′-Dichlorodihydrofluorescein Diacetate (DCFH-DA) were purchased from MCE (Shanghai, China). The TRIzol reagent, RIPA lysis buffer, protease inhibitor, and BCA analysis kit were purchased from Solarbio (Beijing, China). PrimeScript™ RT reagent Kit and TB Green^® Premix Ex Taq™ II were purchased from Takara (Dalian, China). The PVDF membrane was purchased from Beyotime (Shanghai, China). A chemiluminescent substrate kit was purchased from Mei5bio (Beijing, China).