Rosa-María Ramírez-Zamora

ORCID: 0000-0003-1129-4385
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About
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Research Areas
  • Advanced oxidation water treatment
  • Advanced Photocatalysis Techniques
  • Environmental remediation with nanomaterials
  • Adsorption and biosorption for pollutant removal
  • TiO2 Photocatalysis and Solar Cells
  • Zeolite Catalysis and Synthesis
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Carbon Dioxide Capture Technologies
  • SARS-CoV-2 detection and testing
  • Biosensors and Analytical Detection
  • Iron oxide chemistry and applications
  • Water Quality Monitoring and Analysis
  • Chemical Looping and Thermochemical Processes
  • Extraction and Separation Processes
  • Catalytic Processes in Materials Science
  • Advanced biosensing and bioanalysis techniques
  • Recycling and utilization of industrial and municipal waste in materials production
  • Recycling and Waste Management Techniques
  • Nanomaterials for catalytic reactions
  • Arsenic contamination and mitigation
  • Heavy metals in environment
  • Wastewater Treatment and Reuse
  • Copper-based nanomaterials and applications
  • Innovations in Concrete and Construction Materials
  • Electrochemical Analysis and Applications

Universidad Nacional Autónoma de México
2016-2025

Universidad Autónoma de Baja California
2018

Mono- (Au, Ag and Cu) bi-metallic (Au-Ag Au-Cu) nanoparticles were deposited on TiO2 tested for the photocatalytic degradation of sulfamethoxazole using either UV-C or simulated sunlight. The optimal loading metallic was determined as 1.5 wt% Au Ag, 1.0 Cu. In case nanoparticles, only ratio 1:0.5 both Au-Ag Au-Cu tested. experiments light, highest performance found Ag/TiO2, while supported also showed increased activity compared with unmodified TiO2. sunlight irradiation tests, Au/TiO2 to be...

10.1080/09593330.2017.1354926 article EN Environmental Technology 2017-07-12

Abstract Photocatalytic properties of the magnetic fraction (MF) from a black sand sample, were evaluated to produce hydrogen by heterogeneous photocatalysis, using formic acid as hole scavenger. MF is mainly composed ilmenite (FeTiO 3 ), hematite (α-Fe 2 O maghemite (γ-Fe and magnesioferrite (MgFe 4 detected X-ray analysis. particles are rugose with irregular morphology, smooth surface (without porous), coarse surface. Also, Energy Dispersive Spectroscopy (EDS) microanalysis indicated...

10.1515/ijcre-2024-0089 article EN International Journal of Chemical Reactor Engineering 2025-03-22

This work studies an innovative approach to water treatment by using recycled electric induction furnace slag for the removal of Cd, Cr and Pb-ions comparing results a with specifically developed CeO2 nanoparticles. The was characterised X-ray Fluorescence, diffraction SEM. effects initial ion concentration adsorbent dose were investigated according experimental design. Adsorption tests carried out solutions present in concentrations ranging from 1 10 mg/L doses 0.064 0.64 g/L. mechanism is...

10.1016/j.arabjc.2018.01.008 article EN cc-by-nc-nd Arabian Journal of Chemistry 2018-02-02

The development of sensitive and affordable testing devices for infectious diseases is essential to preserve public health, especially in pandemic scenarios. In this work, we have developed an attractive analytical method monitor products genetic amplification, particularly the loop-mediated isothermal amplification reaction (RT-LAMP). based on electrochemical impedance measurements distribution relaxation times model, provide so-called time-constant-domain spectroscopy (TCDS). proposed...

10.3390/chemosensors11040230 article EN cc-by Chemosensors 2023-04-07
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