A5081795028- Corrosion Behavior and Inhibition
- Nanoparticles: synthesis and applications
- Metal complexes synthesis and properties
- Electrochemical Analysis and Applications
- Gold and Silver Nanoparticles Synthesis and Applications
- Electrochemical sensors and biosensors
- Antimicrobial agents and applications
- Porphyrin and Phthalocyanine Chemistry
- Hydrogen embrittlement and corrosion behaviors in metals
- Analytical Chemistry and Sensors
- Concrete Corrosion and Durability
- Microplastics and Plastic Pollution
- Nanocomposite Films for Food Packaging
- Anodic Oxide Films and Nanostructures
- Conducting polymers and applications
- Crystallization and Solubility Studies
- Synthesis and Biological Evaluation
- Inorganic and Organometallic Chemistry
- X-ray Diffraction in Crystallography
- Graphene and Nanomaterials Applications
- Bacterial biofilms and quorum sensing
- Microencapsulation and Drying Processes
- CO2 Reduction Techniques and Catalysts
- Ionic liquids properties and applications
- Protein Interaction Studies and Fluorescence Analysis
Universidad de Santiago de Chile
2016-2025
Universidad Bernardo O'Higgins
2012-2023
University of Notre Dame
2004
AbstractSince ancient times, silver ions have been known to be effective against a broad range of micro-organisms but in the last decade, this metal has greatly studied because their antimicrobial capability wide bacteria, viruses, and fungi. For same reason, it is most extensively with antibacterial applications medicine. Besides applications, activity associated high effectiveness, low toxicity, virtually no resistance presence metal. The appearance new bacterial strains resistant...
This study aims to understand how properties of modified aluminosilicate geomaterials influence the antibacterial performance nanocomposites when prepared with bimetallic nanoparticles (NPs). Copper/silver (Cu/Ag) NPs were synthesized in presence imogolite (Imo), montmorillonite (Mtt), or zeolite (Zeo) using a simple one-pot method and characterized for their crystal phases, micro- nanomorphologies, particle size, elemental composition, electrophoretic mobility. The activity was evaluated...
The detection of serum albumin is great relevance because its presence in urine above normal levels implicated different pathologies, such as Diabetes Mellitus and Preeclampsia. main objective this work was to develop a protocol sense using the well-known unusual optical phenomenon that nanoparticles present, which called surface plasmon resonance (SPR), well influence proteins on size morphology nanoparticles, consequently, SPR. interaction these with forms biocoronates, modify...
Silver nanoparticles (AgNPs) have been extensively studied during recent decades as antimicrobial agents. However, their stability and antibacterial activity over time yet to be sufficiently studied. In this work, AgNPs were coated with different stabilizers (naproxen diclofenac 5-chlorosalicylic acid) in concentrations. The suspensions of nanostructures characterized by transmission electron microscopy, UV–Vis FT-IR spectroscopic techniques. a function was determined through microbiological...
Silanol type hybrid polymers modified with silver nanoparticles encapsulated SiO2 for biocorrosion protection of 2024-T3 aluminum alloy were studied through electrochemical characterization and surface analysis techniques. Two different synthesized using tetraethoxysilane as a core shell. The polymer was prepared by the sol–gel technique mixing triethyl(octyl)silane in 1-propanol, followed incorporation or nanoparticles. Relatively uniform coatings observed scanning electron microscopy...
The use of implants carries on a series problems, among them infections, poor biocompatibility, high levels cytotoxicity, and significant mechanical differences between host organs that promote stress shielding effects. These problems indicate the materials used to make must meet essential requirements standards for implantations be successful. In this work, we present synthesis, characterization evaluation antibiofilm, mechanical, thermal properties, cytotoxic effect nanocomposite-based...
Current knowledge of urban bird ecology and biodiversity relies on evidence from cities the Northern Hemisphere, while Southern Hemisphere is underrepresented. Santiago a large city South America, located in central Chile, which both hotspot an Endemic Bird Area. This work synthesis, aims to provide diversity account for Santiago, describe broad geographic distribution functional patterns. We synthesized seven-year (2009–2016) register eBird database (21,865 georeferenced registers at...
The antibacterial effects against Staphylococcus epidermidis of five silver carboxylate complexes with anti-inflammatory ligands were studied in order to analyze and compare them terms stability (in solution after exposure UV light), their morphological differences. Four the Ag-complexes evidenced by transmission electronic microscopy (TEM) scanning (SEM): DNA condensation, membrane disruption, shedding cytoplasmic material compound microcrystal penetration bacteria. 5-Chlorosalicylic acid...
The antibiofouling ability of three hybrid sol-gel coatings against P. aeruginosa for the protection AA2024-T3 aluminium alloy has been investigated. polymers were synthesized by mixing tetraethoxysilane (TEOS) with precursors: (a) triethoxypropylsilane (TEPRS), (b) triethoxypentylsilane (TEPES) and (c) triethoxyoctylsilane (TEOCS). main difference between precursors is length aliphatic chain one substituents. antibacterial properties examined using viability techniques. morphology was...