Researcher, Bernardo O’Higgins University, Chile
Dr. Sara Amelia Ramírez Pastén is a Chilean chemist and researcher with expertise in nanotechnology, electrochemical sensors, and antimicrobial materials. 🎓 She earned her Ph.D. in Chemistry from Universidad de Santiago de Chile in 2021 and currently works as a lecturer and principal investigator at Universidad Bernardo O’Higgins. Her work bridges science and entrepreneurship, developing nanomaterials for real-world healthcare applications. 🌍🔬
Professional Profile
ORCID
🎓 Education
She completed all her higher education at Universidad de Santiago de Chile, earning her chemistry degree, licentiate, and Ph.D. in Chemistry. 📘 Additionally, she undertook technical training in industrial safety and chemical labs during her early education, showcasing her strong practical foundation from an early stage. 🧑🔬
🧑🔬 Experience
Dr. Ramírez Pastén has served in academic and research roles at several Chilean institutions, including Universidad Central and Universidad del Desarrollo. 👩🏫 She completed a research internship in Spain and has held leadership positions in national research and entrepreneurial projects. Her experience spans lab teaching, project management, and nanotechnology innovation. 🔬
🔬 Research Interests
Her research focuses on nanotechnology, surface chemistry, and electrocatalysis, especially in developing nanostructured materials for antimicrobial and biomedical use. 🧫 She is passionate about applying science to solve public health challenges, including biosensors and anti-biofilm surfaces. 🧠⚗️
📚 Publications Top Notes
Antimicrobial Properties of a Novel PEGylated Copper Nanoparticle-Embedded Silicone Rubber with Potential for Use in Biomedical Applications
Journal: Polymers, 2025
Summary: This study investigates a novel silicone rubber material embedded with PEGylated copper nanoparticles, demonstrating significant antimicrobial properties suitable for biomedical applications.
Copper-Modified Cellulose Paper: A Comparative Study of How Antimicrobial Activity Is Affected by Particle Size and Testing Standards
Journal: International Journal of Molecular Sciences, 2025
Summary: The research compares the antimicrobial efficacy of copper-modified cellulose paper, highlighting the influence of particle size and testing standards on performance.
Fast and Easy Synthesis of Silver, Copper, and Bimetallic Nanoparticles on Cellulose Paper Assisted by Ultrasound
Journal: Ultrasonics Sonochemistry, 2023
Summary: This article presents an efficient method for synthesizing silver, copper, and bimetallic nanoparticles on cellulose paper using ultrasound, offering a scalable approach for material fabrication.
Molecular Anchoring with 4-Mercaptobenzoic Acid and 4-Aminothiophenol for Using Active Nanorods in the Detection of Dopamine
Journal: ECS Sensors Plus, 2022
Summary: The study explores the use of molecular anchors to enhance the sensitivity and selectivity of gold nanorods for dopamine detection, contributing to advancements in electrochemical sensors.
Mapping Experimental and Theoretical Reactivity Descriptors of Fe Macrocyclic Complexes Deposited on Graphite or on Multi-Walled Carbon Nanotubes for the Oxidation of Thiols: Thioglycolic Acid Oxidation
Journal: Electrochimica Acta, 2021
Summary: This research provides insights into the reactivity of Fe macrocyclic complexes, deposited on various substrates, for thiol oxidation, aiding in the design of efficient electrocatalysts.
🏆 Conclusion
Dr. Ramírez Pastén is a rising leader in nanoscience, with a proven record of research excellence, innovation, and entrepreneurship. 🥇 Her work integrates science and public health, producing materials that could transform medical treatment and infection control. She continues to drive impactful research, mentor students, and commercialize discoveries, making her a strong candidate for recognition. 💼🔬