Hollow MnO2/GNPs serving as a multiresponsive nanocarrier for controlled drug release
Materials and Product Engineering|Updated:2026-01-06
|
Hollow MnO2/GNPs serving as a multiresponsive nanocarrier for controlled drug release
Chinese Journal of Chemical EngineeringVol. 28, Issue 5, Pages: 1405-1414(2020)
Affiliations:
1. Hi-Tech Key Laboratory for Biomedical Research, School of Chemistry and Chemical Engineering, Southeast University,Jiangsu Province,Nanjing,China,211189
2. Department of Pharmaceutical Engineering, School of Engineering, China Pharmaceutical University,Nanjing,China,210009
/GNPs) hybrid drug nanocarriers were prepared by coupling the gold nanoparticles (GNPs) with hollow structure manganese dioxide (MnO
2
). Among them
GNPs have been used as near-infrared (NIR)-responsive element for photothermal effect under NIR laser irradiation. The glutathione (GSH)-responsive and pH-responsive performances of drug release were derived from hollow MnO
2
. Particularly
Doxorubicin hydrochloride (DOX) can be loaded into hollow MnO
2
/GNPs with the drug loading efficiency up to 82.0%. Moreover
the photothermal effect and GSH-/pH-responsive properties of hollow MnO
2
/GNPs were investigated. The hollow MnO
2
/GNPs possessed satisfactory drug release efficiency (
ca
. 87.4% of loaded drug released in 12 h) and have high photothermal conversion efficiency
multiresponsive properties
and degradability. Finally
the kinetics of drug release was discussed in detail. Thus
our finding highlights that the multiresponsive nanocarriers are of great potential in the field of drug controlled release.
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