nanoparticle
[/ˈnænoʊˌpɑːrtɪkəl/]
nounfemininepl: nanoparticles / nanopartículas
nanopartícula
1. A microscopic particle with dimensions between 1 and 100 nanometers, possessing unique physical and chemical properties different from bulk material
Gold nanoparticles are used in medical imaging and drug delivery systems.
As nanopartículas de ouro são utilizadas em imagem médica e sistemas de entrega de medicamentos.
2. A particle of matter with at least one dimension smaller than 100 nm, exhibiting quantum effects and enhanced surface reactivity
Titanium dioxide nanoparticles are commonly found in sunscreen products.
As nanopartículas de dióxido de titânio são comumente encontradas em produtos de protetor solar.
3. In nanotechnology, the fundamental building block used for creating nanomaterials and nanodevices
Researchers are developing silver nanoparticles for their antimicrobial properties.
Pesquisadores estão desenvolvendo nanopartículas de prata pelas suas propriedades antimicrobianas.
The term 'nanopartícula' is primarily used in scientific, medical, and technological contexts in both Brazil and Portugal. In the United States, it's a specialized technical term used in nanotechnology research, materials science, and pharmaceutical development. The concept gained prominence in both cultures during the 21st century with advances in nanotechnology research and its applications in medicine, cosmetics, and electronics. In Brazil, there's growing interest in nanotechnology for sustainable development and green technologies.
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