Yeast‐Controlled Double‐Shelled CaCO3/CaF2 Hollow Nanospheres with Hierarchically Porous for Sustained pH‐Sensitive Drug Release

化学 酵母 碳酸钙-2 生物化学 体外
作者
Xinhe Liu,Yi Chang,Guanglei Ma,Tingting Liu,Penghui Song,Heng Yu,Xueqing Ren,Yuming Guo,Xiaoming Ma
出处
期刊:Chinese Journal of Chemistry [Wiley]
卷期号:42 (15): 1713-1720 被引量:1
标识
DOI:10.1002/cjoc.202400067
摘要

Comprehensive Summary Hierarchically porous materials (HP materials) are believed one of the most hopeful matrix materials because of their distinctive multimodal pore structures and tremendous application potentials in the field of biomedicine. However, green and facile synthesis of hierarchically porous nanomaterials with beneficial water dispersibility and biocompatibility is still a great challenge. Herein, a novel biomimetic strategy is proposed to prepare the cell‐tailored double‐shelled HPCaCO 3 /CaF 2 hollow nanospheres under the mediation of yeast cells. The biomolecules derived from the secretion of yeast cells are used as conditioning and stabilizing agents to control the biosynthesis of the HPCaCO 3 /CaF 2 materials, which exhibit excellent water dispersibility and favorable biocompatibility. The double‐shelled CaCO 3 /CaF 2 nanospheres hold hierarchically porous structure and have abundant pore channel and large specific surface area, showing high drug‐loading and a prolonged drug sustainable release profile by the pore‐by‐pore diffusion pattern of the hierarchical pores. Otherwise, the HPCaCO 3 with pH‐sensitivity could controllably release drug doxorubicin hydrochloride (DOX) at the acidic tumor microenvironment. Both in vitro and in vivo results demonstrate that HPCaCO 3 /CaF 2 has the sustainable pH‐sensitive drug release property, showing an enhanced therapeutic effect. Summarily, this study provides a biomimetic strategy to synthesize the hierarchically porous double‐shelled hollow nanomaterials for applying in sustainable drug delivery system.
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