Select compound 7b with high and broad-spectrum antibacterial activity, and use the prepared nano magnesium aluminum hydrotalcite (MgAl LDH) as the carrier to prepare a new drug carrier complex 7b/MgAl LDH. XRD, AFM, and FE-SEM techniques were used to characterize the carrier and drug loading complex. The study on the pH controlled release performance of the drug loaded composite in vitro showed that the composite 7b/MgAl-LDH-2 had excellent controlled release performance in an ethanol aqueous solution with a volume fraction of 10% and acidic conditions.
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