Antibacterial, Antiviral, and Oxygen-Sensing Nanoparticles Prepared from Electrospun Materials
Source abstract
Abstract
A simple nanoprecipitation method was used for preparation of stable photoactive polystyrene nanoparticles (NPs, diameter 30 ± 10 nm) from sulfonated electrospun polystyrene nanofiber membranes with encapsulated 5,10,15,20-tetraphenylporphyrin (TPP) or platinum octaethylporphyrin (Pt-OEP). The NPs prepared with TPP have strong antibacterial and antiviral properties and can be applied to the photooxidation of external substrates based on photogenerated singlet oxygen. In contrast to nanofiber membranes, which have limited photooxidation ability near the surface, NPs are able to travel toward target species/structures. NPs with Pt-OEP were used for oxygen sensing in aqueous media, and they presented strong linear responses to a broad range of oxygen concentrations. The nanofiber membranes can be applied not only as a source of NPs but also as an effective filter for their removal from solution.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Analytical Chemistry and Sensors · Nanoplatforms for cancer theranostics · Porphyrin and Phthalocyanine Chemistry
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Faculty of Science, Charles University in Prague, Hlavova 2030, 128 43 Prague 2, Czech Republic
Institute of Inorganic Chemistry, v.v.i., Academy of Sciences of the Czech Republic, 250 68 Řež, Czech Republic
J. Heyrovský Institute of Physical Chemistry, v.v.i., Czech Academy of Sciences, Dolejškova 3, 182 23 Praha 8, Czech Republic
Funding
Ministerstvo Školství, Mládeže a Telovýchovy · Grantová Agentura Ceské Republiky
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