Angel M. Paredes

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High Impact

Profesor Auxiliar

NCTR

Also affiliated: United States Food and Drug Administration (2014–2025); Emory University (2011); Inserm (2011); Baylor College of Medicine (1998–2011); Soochow University (2011); Institut National de la Transfusion Sanguine (2011); Center for Cancer and Blood Disorders (2011); Établissement Français du Sang (2011); Texas Research Institute (1992); First Affiliated Hospital of Soochow University (2011); University of Houston (1983); The Ohio State University (2008); The University of Texas at Austin (1991–1993); Universidad del Valle (2025); The University of Texas Health Science Center at Houston (2008–2013)

23 h-index 50 pubs 2,435 cited

Research Areas

Biomedical Subjects

Links

ORCID Research Group

OverviewAI-generated summary

Angel Paredes' research focuses on the intersection of toxicology, microbiology, and materials science, investigating the interactions between biological systems and various chemical and physical agents. His work includes studies on the antimicrobial properties of nanoparticles, such as copper oxide nanoparticles synthesized via pulsed laser ablation, and their potential applications against foodborne pathogens. He also explores the effects of different materials, like silver and titanium dioxide nanoparticles, on biological systems, including investigations into sex-based immunotoxicity differences of silver nanoparticles and alterations in DNA methylation in human cells following titanium dioxide exposure.

Paredes also examines microbial behavior and responses in clinically relevant contexts. This includes research on the dynamic adaptive responses of bacteria, such as *Pseudomonas aeruginosa*, to antibiotic-impregnated materials, and the proteomic responses of *Staphylococcus epidermidis* biofilms to subinhibitory concentrations of antibiotics. His research extends to understanding dual-species biofilm formation, as seen in *E. coli* and *E. faecalis* on urinary catheters, and the influence of substances like chicken juice on bacterial biofilm characteristics and protein expression, using *C. jejuni* as a model.

Further contributing to the field of microbial analysis, Paredes has developed and utilized assays, such as flow cytometric methods, to detect the viability and persistence of bacterial species like *Salmonella enterica* under various environmental conditions. His scholarly output is marked by a h-index of 23, with over 2,346 citations across 50 publications. He leads a research group and collaborates extensively with colleagues at the National Center for Toxicological Research, including Kidon Sung and Miseon Park.

Metrics

h-index: 23
Publications: 50
Citations: 2,435

Positions

Profesor Auxiliar publications 2025

Universidad del Valle Escuela de Ciencias del Lenguaje ORCID
Professor

Universidad Autónoma de Occidente Facultad de Comunicación Social, Humanidades y Artes ORCID
Profesor Auxiliar publications 2013–2025

National Center for Toxicological Research ORCID
Professor 2024

Universidad Santiago de Cali Facultad de Educación ORCID

Selected Publications

Dual Characteristics of Apoptosis and Survival in Cerebellar Purkinje Cells Four Days After Transient Global Ischemia (2026)

Cells DOI OpenAlex
Antibacterial efficacy and adaptive proteomic strategies of antibiotic-resistant pathogens on nanostructured copper surfaces (2026)

Nanomedicine 1 citation DOI OpenAlex
Protein expression and morphological adaptations of Campylobacter jejuni under prolonged cold stress in chicken juice (2025)

Food Microbiology DOI OpenAlex
Quantitative proteomic and phenotypic responses of urinary pathogens to CuO/Cu₂O nanoparticles (2025)

Nanomedicine DOI OpenAlex
Examining the viability of five Salmonella enterica subsp. enterica in thymol at 4°C and 25°C using flow cytometry (2025)

PLoS ONE DOI OpenAlex
Species-Specific Stress Responses to Selenium Nanoparticles in Pseudomonas aeruginosa and Proteus mirabilis (2025)

Nanomaterials 3 citations DOI OpenAlex
Direct detection and identification of viruses in saliva using a SpecID ionization modified mass spectrometer (2025)

PLoS ONE DOI OpenAlex
Proteomic insights into dual-species biofilm formation of E. coli and E. faecalis on urinary catheters (2025)

Scientific Reports 4 citations DOI OpenAlex
Exposure to a Titanium Dioxide Product Alters DNA Methylation in Human Cells (2024)

Nanomaterials 2 citations DOI OpenAlex
Chicken Juice Enhances C. jejuni NCTC 11168 Biofilm Formation with Distinct Morphological Features and Altered Protein Expression (2024)

Foods 4 citations DOI OpenAlex
Investigation of sex-based differences in the immunotoxicity of silver nanoparticles (2024)

Nanotoxicology 11 citations DOI OpenAlex
A flow cytometric assay to detect viability and persistence of Salmonella enterica subsp. enterica serotypes in nuclease-free water at 4 and 25°C (2024)

Frontiers in Microbiology 6 citations DOI OpenAlex
Synthesis of Antibacterial Copper Oxide Nanoparticles by Pulsed Laser Ablation in Liquids: Potential Application against Foodborne Pathogens (2023)

Nanomaterials 21 citations DOI OpenAlex
Concentration-Dependent Global Quantitative Proteome Response of Staphylococcus epidermidis RP62A Biofilms to Subinhibitory Tigecycline (2022)

Cells 14 citations DOI OpenAlex
Dynamic Adaptive Response of Pseudomonas aeruginosa to Clindamycin/Rifampicin-Impregnated Catheters (2021)

Antibiotics 22 citations DOI OpenAlex