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The invention belongs to the technical field of ozone water preparation, and particularly relates to a preparation method and device of an organic acid ozone miscible coexisting water solution. The organic acid ozone miscible coexisting aqueous solution contains organic acid, so that the half-life period of ozone water can be effectively prolonged. The organic acid is one or more of acetic acid, propionic acid, butyric acid, oxalic acid, malonic acid, succinic acid and citric acid. Preferably, the content of the organic acid is between 0.01 wt% and 10 wt%. The half-life period of the ozone water is obviously prolonged, the half-life period can be prolonged to several hours to several days from the existing 5-20 minutes, and the application mode and application scene of the ozone water are greatly widened.

This invention discloses a hydrogel containing ATP crosslinking nodes, its preparation method, and its applications, belonging to the technical field of polymer hydrogel materials and functional soft materials. This invention utilizes the multi-point interaction between guanidine-containing polymer units and ATP phosphate groups, and the reversible borate ester interaction between phenylboronic acid-containing polymer units and ATP ribose diol, to synergistically construct a hydrogel network. Through this structural design, ATP is retained as a network crosslinking node within the hydrogel, and the formed network possesses a structural basis for enzymatic decrosslinking or degradation. Furthermore, the hydrogel provided by this invention exhibits excellent mechanical properties, dynamic recovery properties, antibacterial properties, and anti-biofilm properties.