3 amino phenylboronic acid

Hyaluronic acid (Mn = 800 000 Da), 3-amino phenylboronic acid (PBA), polyvinyl alcohol type 224 (PVA), 1-(3-dimethylaminopropyl)-3-ethyl carbodiimide hydrochloride (EDC), N-hydroxysuccinimide (NHS), and 2,2-diphenyl-1-(2,4,6-trinitrophenyl) hydrazide (DPPH) were purchased from Macklin; Cur, PF, and 2′,7′-dichlorofluorescein diacetate (DCFH-DA) were purchased from Sigma Aldrich. All reagents were used directly without special purification.

Sodium alginate (SA, M/G = 1:2, 90 %), triptolide (TPL, 98 %), 4-(4,6-dimethoxytriazin-2-yl)-4-methylmorpholine hydrochloride (DMTMM, 97 %) and 3-Aminophenylboronic acid (PBA, 98 %) were purchased from Macklin (Shanghai, China). Tea polyphenols (TP, 99 %), potassium iodide (KI, 99.5 %), 30 % hydrogen peroxide (H₂O₂), safranin O (95 %), and ferrous sulfate (FeSO₄, 90 %) were purchased from China National Pharmaceutical Group Reagent Co., Ltd. Nano-calcium carbonate (CaCO₃, 99.9 %, 50 nm), nano-hydroxyapatite (HA, 99 %, 20 nm) and DPPH free radical scavenging kit were obtained from Aladdin (Shanghai, China). Gluconolactone (GDL, 99 %) was purchased from Beijing Tongguang Chemical Co., Ltd.