O. Ceballos-Sánchez

ORCID: 0000-0003-3364-0293
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About
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Research Areas
  • Advanced Photocatalysis Techniques
  • ZnO doping and properties
  • Copper-based nanomaterials and applications
  • Quantum Dots Synthesis And Properties
  • Electron and X-Ray Spectroscopy Techniques
  • Semiconductor materials and devices
  • Chalcogenide Semiconductor Thin Films
  • TiO2 Photocatalysis and Solar Cells
  • Nanoparticles: synthesis and applications
  • Gas Sensing Nanomaterials and Sensors
  • Advanced Nanomaterials in Catalysis
  • X-ray Spectroscopy and Fluorescence Analysis
  • Electrochemical sensors and biosensors
  • Ga2O3 and related materials
  • Electrochemical Analysis and Applications
  • Metal and Thin Film Mechanics
  • Gold and Silver Nanoparticles Synthesis and Applications
  • Catalytic Processes in Materials Science
  • Advancements in Photolithography Techniques
  • Multiferroics and related materials
  • Carbon and Quantum Dots Applications
  • Polysaccharides and Plant Cell Walls
  • Graphene and Nanomaterials Applications
  • Nanowire Synthesis and Applications
  • Luminescence Properties of Advanced Materials

Universidad de Guadalajara
2017-2024

Center for Research and Advanced Studies of the National Polytechnic Institute
2011-2023

Universidad Autónoma de Nuevo León
2016-2017

Universidad Pedro de Gante
2016

Université Grenoble Alpes
2015

CEA LETI
2015

Institut polytechnique de Grenoble
2015

CEA Grenoble
2015

Commissariat à l'Énergie Atomique et aux Énergies Alternatives
2015

The active approach for background modeling is described in this report. Under technique, the assessed during optimization of peak parameters. In contrast, under traditional ( static ) approach, defined prior to fitting. has many advantages over static, such as that areas are often underestimated approach. technique allows treating a combination various types. There reports literature where some features employed. Also report Shirley–Vegh–Salvi–Castle (SVSC) background, which variant...

10.1002/sia.5453 article EN Surface and Interface Analysis 2014-03-28

This study used a sonochemical synthesis method to prepare (La, Sm)-doped ZnO nanoparticles (NPs). The effect of incorporating these lanthanide elements on the structural, optical, and morphological properties ZnO-NPs was analyzed. cytotoxicity reactive oxygen species (ROS) generation capacity were evaluated against breast (MCF7) colon (HT29) cancer cell lines. Their antioxidant activity analyzed using DPPH assay, their toxicity towards Artemia salina nauplii also evaluated. results revealed...

10.3390/antiox13020213 article EN cc-by Antioxidants 2024-02-08

Drug-resistant bacteria have become a worldwide health issue, and metal oxide nanoparticles could represent viable alternative to pharmaceuticals for the treatment prevention of bacterial infections. In this work, cerium (Ce), neodymium (Nd), samarium (Sm) erbium (Er) doped ZnO were developed fabricate 3D-printed composite scaffolds bactericidal applications. The prepared by combustion-assisted method at low temperatures. hexagonal wurtzite structure was confirmed X-ray diffraction (XRD),...

10.1016/j.colsurfa.2022.129871 article EN cc-by-nc-nd Colloids and Surfaces A Physicochemical and Engineering Aspects 2022-08-05

Abstract This work releases research progress carried out on carbon quantum dots (CQDs) obtained from agave bagasse with the aim of applying their UV-blue luminescence properties, as a novel way to improve plant growth and protecting them solar UV harmful effects. results in an increasing exposure blue irradiation, which is avidly absorbed by chlorophyll, thus strengthening photosynthesis. The developed green route process based pyrolysis fibers, cheap precursor tequila’s industries waste....

10.1007/s42452-023-05428-2 article EN cc-by SN Applied Sciences 2023-07-08

The antioxidant capabilities of nanoparticles are contingent upon various factors, including their shape, size, and chemical composition. Herein, novel Nd-doped CeO2 were synthesized the neodymium content was varied to investigate synergistic impact on properties nanoparticles. Incorporating Nd3+ induced changes in lattice parameters significantly altered morphology from nanorods. biological activity examined against pathogenic bacterial strains, breast cancer cell lines, models....

10.1039/d3bm02107f article EN Biomaterials Science 2024-01-01

Immobilization of enzymes is one the protein engineering methods used to improve their thermal and long-term stabilities. Immobilized pectinase has become an essential biocatalyst for optimization in food processing industry. Herein, nanostructured magnetic nanoparticles were prepared situ use as supports immobilize pectinase. The structural, morphological, optical features chemical compositions characterized. Nanoparticle agglomeration low porosity observed due synthetic conditions. These...

10.1016/j.heliyon.2023.e19021 article EN cc-by-nc-nd Heliyon 2023-08-01

Nowadays, nanomaterials are a real alternative for controlling antibiotic-resistant bacteria. Several nanoparticles have shown good performance in inducing bacterial death due to photoassisted process. This study employs statistical analyses and machine learning (ML) models investigate the effect of doping ZnO with cerium ions on their antibacterial activity dark environment. Incorporating into matrix was systematically analyzed terms structural, morphological, optical parameters. The...

10.1021/acsanm.3c03651 article EN ACS Applied Nano Materials 2023-11-03

Lanthanide-based nanomaterials offer a promising alternative for cancer therapy because of their selectivity and effectiveness, which can be modified predicted by leveraging the improved accuracy enhanced decision-making machine learning (ML) modeling.

10.1186/s12951-024-02957-9 article EN cc-by-nc-nd Journal of Nanobiotechnology 2024-11-10

The structure of TiN/Al2O3 nanofilms grown on InxGa1-xAs substrates was studied with angle-resolved x-ray photoelectron spectroscopy (ARXPS), high resolution transmission electron microscopy (HRTEM), and density functional theory calculations. From the ARXPS studies, it possible to characterize in detail composition distribution various layers constituting nanofilms; results were consistent HRTEM micrographs. analysis data showed that annealing causes diffusion indium atoms from substrate...

10.1063/1.4751435 article EN Journal of Applied Physics 2012-09-01

The structure of TiN/HfO2 nanofilms grown on InxGa1−xAs substrates was assessed through angular-resolved x-ray photoelectron spectroscopy. quantitative analysis made possible determining the thickness and composition various layers constituting treated at different temperatures (un-annealed, 500 °C/120 s 700 °C/10 s). TiN layer is crucial to prevent oxygen desorption from dielectric during annealing. Small amounts oxidized gallium metallic arsenic are located HfO2/InGaAs interface. HfO2...

10.1063/1.4824468 article EN Journal of Applied Physics 2013-10-10

The background in X‐ray photoelectron spectroscopy data originates, partially, from inelastically scattered photoelectrons. In fact, the current theoretical methods for calculating intensity are based on electron energy losses. However, a critical part of experimental signal, which is known as Shirley background, cannot be described within formalisms. This suggests that electrons not associated with losses photoelectrons and must originate different photoexcitation phenomenon cross section...

10.1002/sia.6364 article EN Surface and Interface Analysis 2017-12-20
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