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Mostrando ítems 1-8 de 8
Artículo
Sodium Lauryl Sulfate-Conjugated Cationic Gemini-Surfactant-Capped Gold Nanoparticles as Model System for Biomolecule Recognition
(Multidisciplinary Digital Publishing Institute (MDPI), 2023)
Surfactant-based nanostructures are promising materials for designing novel colorimetric biosensors based on aggregation/disaggregation phenomena. In this work, a colorimetric sensor based on the plasmonic shift of ...
Artículo
Citrate and Polyvinylpyrrolidone Stabilized Silver Nanoparticles as Selective Colorimetric Sensor for Aluminum (III) Ions in Real Water Samples
(MDPI, 2020)
The use of silver nanoparticles stabilized with citrate and polyvinylpyrrolidone as a sensor for aluminum ions determination is proposed in this paper. These non-functionalized and specific nanoparticles provide a highly ...
Artículo
Gold Nanosystems Covered with Doxorubicin/DNA Complexes: A Therapeutic Target for Prostate and Liver Cancer
(Multidisciplinary Digital Publishing Institute (MDPI), 2022)
Different gold nanosystems covered with DNA and doxorubicin (Doxo) were designed and synthesized for cancer therapy, starting from Au@16-Ph-16 cationic nanoparticles and DNA–Doxo complexes prepared under saturation conditions. ...
Artículo
Synergistic Antibacterial Effects of Amoxicillin and Gold Nanoparticles: A Therapeutic Option to Combat Antibiotic Resistance
(Multidisciplinary Digital Publishing Institute (MDPI), 2023)
Compacted Au@16-mph-16/DNA-AMOX (NSi) nanosystems were prepared from amoxicillin (AMOX) and precursor Au@16-mph-16 gold nanoparticles (Ni) using a Deoxyribonucleic acid (DNA) biopolymer as a glue. The synthesized nanocarrier ...
Artículo
Understanding gold nanoparticles interactions with chitosan: Crosslinking agents as novel strategy for direct covalent immobilization of biomolecules on metallic surfaces
(Elsevier, 2020-03-15)
The development of a new method for covalent immobilization of biomolecules on the surface of bare gold nanoparticles (AuNPs) by using crosslinking agents in one step is presented. A very compatible biopolymer such ...
Artículo
Use of Nanoparticles to Prevent Resistance to Antibiotics—Synthesis and Characterization of Gold Nanosystems Based on Tetracycline
(Multidisciplinary Digital Publishing Institute (MDPI), 2022)
Antimicrobial resistance (AMR) is a serious public health problem worldwide which, according to the World Health Organization (WHO), requires research into new and more effective drugs. In this work, both gold nanoparticles ...
Artículo
Synthesis of hyperpolarizable biomaterials at molecular level based on pyridinium-chitosan complexes
(Universidade Federal do Espírito Santo, 2015)
Potential NLO-phore materials based on chitosan are described for the first time in this study. A series of fluorescent and quaternized pyridinium– chitosan derivatives have been synthesized by reaction of this polymer ...
Capítulo de Libro
DNA Surface Recognition: Non-Covalent DNA-AuNPs Interactions
(Nova Science, 2012)
The biological activity of nucleic acids not only depends on the thermodynamic properties of DNA-ligand complexes. It can be conditioned by the kinetics of formation of these complexes. Therefore, it seemed interesting to ...