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Size Controllable and Surface Tunable Zeolitic Imidazolate Framework-8-Poly(acrylic acid sodium salt) Nanocomposites for pH Responsive Drug Release and Enhanced in Vivo Cancer Treatment

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

Abstract

Nanoscale size controllable and surface modifiable zeolitic imidazolate framework-8−poly(acrylic acid sodium salt) (ZIF-8−PAAS) nanocomposites are fabricated by employing PAAS nanospheres as a soft template. These ZIF-8−PAAS
nanocomposites have different sizes ranging from 30 to 200 nm and exhibit different crystallinity, and pH sensitivity. These nanocomposites can be employed as vectors to deliver doxorubicin for anticancer therapy, leading to greatly enhanced drug therapeutic efficacy when tested in cell lines and mice model. Systematic toxicity investigation including hematoxylin and eosin staining analysis of tumor and major organs, hematology analysis, and blood chemistry analysis indicates that the nanocomposites possess high biocompatibility. This work provides a strategy to make metal−organic frameworks (MOFs) nanocomposites with size tunability in nanoscale and flexible surface modification for various applications.
Original languageEnglish
Pages (from-to)32990-33000
JournalACS Applied Materials and Interfaces
Volume9
Issue number38
Online published6 Sept 2017
DOIs
Publication statusPublished - 27 Sept 2017

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Research Keywords

  • drug delivery
  • metal-organic frameworks
  • nanocomposites
  • nanomaterials
  • ZIF-8

RGC Funding Information

  • RGC-funded

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