Guillermo González
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View article: Proposal of metagenomic-origin LRA-5 as a precursor of active β-lactamases through Tyr69Gln and Val166Glu amino acid substitutions: a functional and structural analysis
Proposal of metagenomic-origin LRA-5 as a precursor of active β-lactamases through Tyr69Gln and Val166Glu amino acid substitutions: a functional and structural analysis Open
Wild-type LRA-5, recovered from Alaskan soil samples, shares no more than 33% amino acid sequence identity with enzymes from pathogens like PER β-lactamases. Recombinant E. coli expressing wild-type LRA-5 and its engineered variants LRA-5 …
View article: Metamorphosis of Multilayered‐(NH <sub>4</sub> ) <sub>2</sub> V <sub>7</sub> O <sub>16</sub> Squares to Zinc Vanadate and w‐ZnO Nanoparticles via Zinc Metalation through Atomic Layer Deposition: Precision and Sustainability in Material Transformation
Metamorphosis of Multilayered‐(NH <sub>4</sub> ) <sub>2</sub> V <sub>7</sub> O <sub>16</sub> Squares to Zinc Vanadate and w‐ZnO Nanoparticles via Zinc Metalation through Atomic Layer Deposition: Precision and Sustainability in Material Transformation Open
Vapor phase metalation (VPM) via atomic layer deposition is emerging as a sustainable, solvent‐free method for precise material functionalization. This study demonstrates selective zinc metalation of multilayered (NH 4 ) 2 V 7 O1 16 nanost…
View article: 2D/2D Heterojunctions of Layered TiO2 and (NH4)2V3O8 for Sunlight-Driven Methylene Blue Degradation
2D/2D Heterojunctions of Layered TiO2 and (NH4)2V3O8 for Sunlight-Driven Methylene Blue Degradation Open
Photocatalysis based on titanium dioxide (TiO2) has become a promising method to remediate industrial and municipal effluents in an environmentally friendly manner. However, the efficiency of TiO2 is hampered by problems such as rapid elec…
View article: Two-Dimensional Titanium Dioxide–Surfactant Photoactive Supramolecular Networks: Synthesis, Properties, and Applications for the Conversion of Light Energy
Two-Dimensional Titanium Dioxide–Surfactant Photoactive Supramolecular Networks: Synthesis, Properties, and Applications for the Conversion of Light Energy Open
The desire to harness solar energy to address current global environmental problems led us to investigate two-dimensional (2D) core–shell hybrid photocatalysts in the form of a 2D-TiO2–surfactant, mainly composed of fatty acids. The bulk p…
View article: Construction of 0D/2D composites heterostructured of CdTe QDs/ZnO hybrid layers to improve environmental remediation by a direct Z-scheme
Construction of 0D/2D composites heterostructured of CdTe QDs/ZnO hybrid layers to improve environmental remediation by a direct Z-scheme Open
Layered hybrid ZnO (2D) intercalated by myristic acid (MA) with (0D) CdTe quantum dots (QDs) was designed to increase the conversion efficiency of photochemical energy. The results showed that the introduction of CdTe QDs in ZnO(MA) layere…
View article: Photoinduced Paramagnetic Centers in Nanocomposites Formed by Titanium Dioxide and Myristic Acid
Photoinduced Paramagnetic Centers in Nanocomposites Formed by Titanium Dioxide and Myristic Acid Open
An electron paramagnetic resonance (EPR) study has been carried out on the hybrid layered nanocomposite formed by TiO2 and myristic acid. The samples were characterized by means of X-ray diffraction (XRD), thermogravimetric analysis, solid…
View article: Electrochemical Hydrogen Evolution over Hydrothermally Synthesized Re-Doped MoS2 Flower-Like Microspheres
Electrochemical Hydrogen Evolution over Hydrothermally Synthesized Re-Doped MoS2 Flower-Like Microspheres Open
In this research, we report a simple hydrothermal synthesis to prepare rhenium (Re)- doped MoS2 flower-like microspheres and the tuning of their structural, electronic, and electrocatalytic properties by modulating the insertion of Re. The…
View article: Ammonium hexadeca-oxo-heptavanadate microsquares. A new member in the family of the V<sub>7</sub>O<sub>16</sub> mixed-valence nanostructures
Ammonium hexadeca-oxo-heptavanadate microsquares. A new member in the family of the V<sub>7</sub>O<sub>16</sub> mixed-valence nanostructures Open
This paper presents the new mixed valence heptavanadate (NH4)2V7O16 micro squares, a further but carbonless member of the vanadium oxide nanotubes and nanourchins family, where ammonium ions replace the long carbon chain amines.
View article: Enhancement Photocatalytic Activity of the Heterojunction of Two-Dimensional Hybrid Semiconductors ZnO/V2O5
Enhancement Photocatalytic Activity of the Heterojunction of Two-Dimensional Hybrid Semiconductors ZnO/V2O5 Open
In this work, we report the fabrication of the new heterojunction of two 2D hybrid layered semiconductors—ZnO (stearic acid)/V2O5 (hexadecylamine)—and its behavior in the degradation of aqueous methylene blue under visible light irradiatio…
View article: Enhancement Photocatalytic Activity of the Heterojunction of Two-Dimensional Hybrid Semiconductors ZnO/V<sub>2</sub>O<sub>5</sub>
Enhancement Photocatalytic Activity of the Heterojunction of Two-Dimensional Hybrid Semiconductors ZnO/V<sub>2</sub>O<sub>5</sub> Open
In this work, we report the fabrication of the new heterojunction of two 2D hybrid layered semiconductors, ZnO(stearic acid)/V2O5(hexadecylamine), and its behavior in the degradation of aqueous methylene blue under visible light irradiatio…
View article: IR and NMR spectroscopic correlation of enterobactin by DFT
IR and NMR spectroscopic correlation of enterobactin by DFT Open
Emerging and re-emerging epidemic diseases pose an ongoing threat to global health. Currently, Enterobactin and Enterobactin derivatives have gained interest, owing to their potential application in the pharmaceutical field. As it is known…
View article: Composites of Laminar Nanostructured ZnO and VOx-Nanotubes Hybrid as Visible Light Active Photocatalysts
Composites of Laminar Nanostructured ZnO and VOx-Nanotubes Hybrid as Visible Light Active Photocatalysts Open
A series of hybrid heterostructured nanocomposites of ZnO with V2O5 nanotubes (VOx-NTs) in different mixing ratios were synthesized, with the aim of reducing the recombination of photoinduced charge carriers and to optimize the absorption …
View article: CCDC 1842551: Experimental Crystal Structure Determination
CCDC 1842551: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Highly emissive host–guest based on nanoclay intercalated with an Eu<sup>3+</sup> complex bearing a new Ru<sup>2+</sup> organometallic ligand
Highly emissive host–guest based on nanoclay intercalated with an Eu<sup>3+</sup> complex bearing a new Ru<sup>2+</sup> organometallic ligand Open
An optical nanomaterial of bentonite clay with efficient red pure luminescence from a new europium(iii) complex based on an organometallic ruthenium(ii) cationic ligand.
View article: Low-Dimensional ReS2/C Composite as Effective Hydrodesulfurization Catalyst
Low-Dimensional ReS2/C Composite as Effective Hydrodesulfurization Catalyst Open
Single-layer, ultrasmall ReS2 nanoplates embedded in amorphous carbon were synthesized from a hydrothermal treatment involving ammonium perrhenate, thiourea, tetraoctylammonium bromide, and further annealing. The rhenium disulfide, obtaine…
View article: Problem Solving as a Professional Development Strategy for Teachers: A Case Study with Fractions
Problem Solving as a Professional Development Strategy for Teachers: A Case Study with Fractions Open
In this paper we present a professional development course designed to impact on teachers' mathematical knowledge for teaching fractions. The main features of the course are the use of i) problem solving activities related with mathematica…
View article: A hybrid organic–inorganic layered TiO<sub>2</sub> based nanocomposite for sunlight photocatalysis
A hybrid organic–inorganic layered TiO<sub>2</sub> based nanocomposite for sunlight photocatalysis Open
A novel hybrid nanocomposite constituted of single TiO2 nanosheets sandwiched between stearic acid self-assembled monolayers was synthesized and tested in the photodegradation of methylene blue under sunlight.