75393 20200428120343.0 doi 10.1039/c8sc03112f sideral 107834 ART-2018-107834 eng (orcid)0000-0001-5835-1223 Ortega-Liebana, M.Carmen Universidad de Zaragoza Luminescent mesoporous nanorods as photocatalytic enzyme-like peroxidase surrogates 2018 Access copy available to the general public Unrestricted Herein we report on a novel inorganic peroxidase-mimicking nanocatalyst activated under blue LED photoirradiation. A novel flash-pyrolysis method has been developed for the generation of strong blue photoluminescence (PL) centers attributed to silicon and carbon-based sites within a mesoporous SBA-15 silica nanorod platform. The type of centers and their PL response can be controlled by varying the flash thermal treatment conditions. By tailoring the operating conditions the system can be driven towards the preferential generation of carbon-based luminescent centers, with or without the simultaneous generation of silicon-based centers. The properties and the nature of these luminescent centers within the mesoporous nanorods have been thoroughly corroborated by a battery of characterization techniques including fluorescence spectroscopy, X-ray photoelectron spectroscopy (XPS) and electron energy loss spectroscopy (EELS) at the local level of the structures combined with scanning transmission electron microscopy (STEM) imaging. In addition, these luminescent mesoporous nanorods have been successfully tested as robust photocatalysts able to display peroxidase-like activity and indirect glucose sensing in a wider range of pH conditions compared to the natural enzyme, especially when carbogenic dots and oxygen-deficient silica centers are simultaneously present in the structure. info:eu-repo/grantAgreement/EC/H2020/742684/EU/Catalytic Dual-Function Devices Against Cancer/CADENCE info:eu-repo/grantAgreement/EC/FP7/294094/EU/Synthesis and characterization of NANOstructured materials with LumInescent properties for diaGnostic and tHerapeuTic applications/NANOLIGHT info:eu-repo/grantAgreement/EUR/ERC/HECTOR-267626 This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No H2020 742684-CADENCE info:eu-repo/semantics/openAccess by-nc http://creativecommons.org/licenses/by-nc/3.0/es/ 9.556 2018 CHEMISTRY, MULTIDISCIPLINARY 19 / 172 = 0.11 2018 Q1 T1 3.895 2018 Chemistry (miscellaneous) 2018 Q1 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion (orcid)0000-0002-4546-4111 Hueso, Jose L. (orcid)0000-0002-6813-780X Fernandez-Pacheco, Rodrigo Universidad de Zaragoza (orcid)0000-0002-2966-9088 Irusta, Silvia Universidad de Zaragoza (orcid)0000-0002-8701-9745 Santamaria, Jesus Universidad de Zaragoza 5005 555 Universidad de Zaragoza Dpto. Ing.Quím.Tecnol.Med.Amb. Área Ingeniería Química 2003 395 Universidad de Zaragoza Dpto. Física Materia Condensa. Área Física Materia Condensada 9, 40 (2018), 7766-7778 Chem. sci. CHEMICAL SCIENCE 2041-6520 564253 http://zaguan.unizar.es/record/75393/files/texto_completo.pdf Versión publicada 119896 http://zaguan.unizar.es/record/75393/files/texto_completo.jpg?subformat=icon icon Versión publicada oai:zaguan.unizar.es:75393 articulos driver 2020-04-28-12:01:33 ARTICLE