GO-COO-HP-β-CD nanosphere: a complex construction and its drug-loading properties
Yunting Fan1, Qiuying Sun, Hao Gu
1Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, People's Republic of China. Jiangsu Engineering Research Center for Biomedical Functional Materials, Nanjing Normal University, Nanjing 210023, People's Republic of China.
Researchers developed novel nanospheres from carboxylated graphene oxide (GO-COOH) and hydroxypropyl-beta-cyclodextrin (HP-β-CD) for drug delivery. These biocompatible nanocarriers effectively loaded dexamethasone with high capacity and efficiency.
Area of Science:
- Materials Science
- Nanotechnology
- Biomedical Engineering
Background:
- Graphene oxide (GO) is a promising nanomaterial for drug delivery.
- Hydroxypropyl-beta-cyclodextrin (HP-β-CD) can enhance drug solubility and loading.
- Developing stable and biocompatible nanocarriers is crucial for effective drug delivery systems.
Purpose of the Study:
- To synthesize and characterize a novel nanosphere complex using GO-COOH and HP-β-CD.
- To investigate the complex formation and structural properties.
- To evaluate the nanosphere complex as a drug carrier for dexamethasone.
Main Methods:
- Synthesis of GO-COOH/HP-β-CD complex.
- Spectral characterization (FTIR).
- Microscopy (TEM).
- X-ray diffraction (XRD) and energy dispersive spectroscopy (EDS).
- Dynamic light scattering (DLS) for dispersibility.
- Cytotoxicity assays and hemolysis testing.
- Dexamethasone loading capacity and efficiency determination.
Main Results:
- Successful synthesis of GO-COO-HP-β-CD nanospheres.
- HP-β-CD molecules intercalated or covered GO-COOH, linked by covalent bonds.
- Nanospheres showed good dispersibility and biocompatibility.
- High dexamethasone loading capacity (32.33%) and efficiency (64.66%).
Conclusions:
- The GO-COO-HP-β-CD nanosphere complex is a stable and biocompatible platform.
- This nanohybrid system demonstrates significant potential for dexamethasone delivery.
- The developed nanocarrier offers a promising approach for advanced pharmaceutical applications.
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