Advances in inorganic-based colloidal nanovehicles functionalized for nitric oxide delivery

[Display omitted] •Functionalized NO delivery colloidal nanovehicles based on inorganic materials.•Various NO precursors integrated with functional nanomaterials of different types.•Design and preparation strategies for NO delivery nanovehicles toward biomedical applications. Nitric oxide (NO) is an...

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Veröffentlicht in:Colloids and surfaces, B, Biointerfaces B, Biointerfaces, 2021-03, Vol.199, p.111508-111508, Article 111508
Hauptverfasser: Tan, Lianjiang, He, Changyu
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Sprache:eng
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Zusammenfassung:[Display omitted] •Functionalized NO delivery colloidal nanovehicles based on inorganic materials.•Various NO precursors integrated with functional nanomaterials of different types.•Design and preparation strategies for NO delivery nanovehicles toward biomedical applications. Nitric oxide (NO) is an important pharmaceutical agent of considerable therapeutic interest ascribed to its vasodilative, tumoricidal and antibacterial effects. Rapid development of functional nanomaterials has provided opportunities for us to achieve controllable exogenous delivery of NO. In the current review, a variety of functionalized colloidal nanovehicles that have been developed to date for nitric oxide delivery are reported. Specifically, we focus on inorganic nanomaterials such as semiconductor quantum dots, silica nanoparticles, upconversion nanomaterials, carbon/graphene nanodots, gold nanoparticles, iron oxide nanoparticles as the functional or/and supporting materials to carry NO donors. N-diazeniumdiolates, S-nitrosothiols, nitrosyl metal complexes and organic nitrates as main types of NO donors have their own unique properties and molecular structures. Conjugating the NO donors of different forms with appropriate nanomaterials results in NO delivery nanovehicles capable of releasing NO in a dose-controllable or/and on-demand manner. We also consider the therapeutic applications of those NO delivery nanovehicles, especially their applications for cancer therapy. In the end, we discuss possible future directions for developing exogenous NO delivery systems with more desired structure and improved performance. This review aims to offer the readers an overall view of the advances in functionalized colloidal nanovehicles for NO delivery. It will be attractive to scientists and researchers in the areas of material science, nanotechnology, biomedical engineering, chemical biology, etc.
ISSN:0927-7765
1873-4367
DOI:10.1016/j.colsurfb.2020.111508