New precursors for the preparation of pH-sensitive, targeting, and loaded non-porous bridged silsesquioxane nanoparticles
Source abstract
Abstract
Two new tetrasilylated precursors based on a triazine derivative with molecular recognition properties have been synthesized and are shown to efficiently produce pH-sensitive, targeting, and (one-step) loaded non-porous bridged silsesquioxane nanoparticles (nano-BS). This was achieved by the sol−gel hydrolysis−condensation of the precursors in the presence of cyanuric acid (CA) H-bonded through the three complementary faces and mimicking 5-fluorouracil (5-FU) anticancer drug. The complex in the nano-BS is not affected under neutral medium and operates under acidic conditions to deliver the loaded molecule, as demonstrated by FTIR spectroscopic studies. Furthermore, thanks to the presence of the amino function, the nano-BS could be functionalized with targeting or fluorescent systems. Indeed, the grafting of fluorescein isothiocyanate revealed the internalization into cancer cells, confirming that nano-BS are promising materials as carriers to avoid the side effects of anticancer drug due to a controlled and targeted drug delivery.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Dendrimers and Hyperbranched Polymers · Nanoplatforms for cancer theranostics · Metal-Organic Frameworks: Synthesis and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (42)
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