The
continuous synthesis of biodegradable photothermal copper sulfide
nanoparticles has been carried out with the aid of a microfluidic
platform. A comparative physicochemical characterization of the resulting
products from the microreactor and from a conventional batch reactor
has been performed. The microreactor is able to operate in a continuous
manner and with a 4-fold reduction in the synthesis times compared
to that of the conventional batch reactor producing nanoparticles
with the same physicochemical requirements. Biodegradation subproducts
obtained under simulated physiological conditions have been identified,
and a complete cytotoxicological analysis on different cell lines
was performed. The photothermal effect of those nanomaterials has
been demonstrated in vitro as well as their ability to generate reactive
oxygen species.
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