Abstract
In this work, a pH-sensitive carboxymethylcellulose based bio-nanocomposite hydrogel beads with different content of layered double hydroxides (LDHs) as a nanoparticle was prepared (CMC/LDH(Cu/Al)). EDX spectroscopy was used to confirm the successful composition of LDH(Cu/Al) with CMC and its presence in the hydrogel matrix. The prepared CMC/LDH(Cu/Al) bio-nanocomposite hydrogel bead characterized by XRD, FT-IR, and SEM analysis. The swelling results showed the pH-sensitive properties for all of the prepared CMC/LDH(Cu/Al). Amoxicillin (AMX) as a model of the antibiotic drug was selected to study the ability of the prepared systems as an oral drug delivery vehicle. The obtained results showed that the CMC/LDH(Cu/Al 7.5) bio-nanocomposite hydrogel bead has a good performance compared to the other prepared bio-nanocomposites. MTT assay approved the safety of this bio-nanocomposite hydrogel bead against HUVEC cells. Consistent with the obtained results, the prepared hydrogel beads could be potentially proposed as an efficient safe drug carrier for AMX oral delivery.
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