Results 41 to 50 of about 2,884 (216)

Emprego da técnica Delphi para validação de indicadores de impacto de nanotecnologias agrícolas. [PDF]

open access: yes, 2013
Para estudar os impactos das nanotecnologias agrícolas é essencial avaliar quais fatores definem o sistema estudado com base na literatura especializada, embasando estes indicadores com dados científicos relevantes e de consenso na comunidade científica.
CARNIEL, B. F., JESUS, K. R. E. de
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Potential of Bee Pollen as a Nutraceutical And/Or Functional Ingredient for Metabolic Syndrome Management: In Vitro Antioxidant, Anti‐Inflammatory, and Digestive Enzyme Inhibitory Activities

open access: yesFood Chemistry International, EarlyView.
Bee pollen samples from China and Spain exhibited in vitro antioxidant, anti‐inflammatory, and digestive enzyme inhibitory activities due to their composition, suggesting their potential as a nutraceutical or functional ingredient to help counteract oxidative stress, chronic inflammation, and metabolic disorders.
Adriana Maite Fernández‐Fernández   +9 more
wiley   +1 more source

Combining annealing temperature and interface engineering for improving anisotropic magnetoresistance in Ta/NiFe/Ta films

open access: yesAIP Advances
Anisotropic magnetoresistance (AMR) sensors are pivotal in various applications due to their low power consumption, scalability, and cost-effectiveness due to the simple sensor structure, comprising one NiFe film, usually encased in a buffer and cap ...
Rita F. Constantino   +4 more
doaj   +1 more source

NANOTECNOLOGIA E SUA REGULAMENTAÇÃO NO BRASIL

open access: yesRevista Gestão e Desenvolvimento, 2019
RESUMO O presente estudo objetiva contextualizar a formação de um conceito para nanotecnologias, suas potencialidades, seus benefícios e examinar a legislação brasileira sobre nanotecnologia e as propostas do legislativo para sua regulamentação. O estudo
Haide Maria Hupffer   +1 more
doaj   +1 more source

Monolithic integration of Giant Magnetoresistance (GMR) devices onto standard processed CMOS dies [PDF]

open access: yes, 2014
Giant Magnetoresistance (GMR) based technology is nowadays the preferred option for low magnetic fields sensing in disciplines such as biotechnology or microelectronics.
Cardoso, S.   +8 more
core  

Effect of Zinc Oxide Nanoparticles From Infant Formula Milk Powder on Colon Cells In Vitro

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Zinc is an essential trace element that participates in numerous metabolic processes; however, excessive exposure may interfere with the absorption of other metals, such as copper. In recent years, nanotechnology has experienced rapid growth, and zinc oxide nanoparticles (ZnO NPs) have garnered significant attention due to their versatile ...
Gloria Salinas‐Lucero   +2 more
wiley   +1 more source

Novas Tecnologias e Saúde [PDF]

open access: yes, 2014
Introdução Comecemos por algo simples: lidar e combater doenças sempre pressupõe alguma forma de domínio técnico, mesmo quando as práticas para obtenção da saúde estão culturalmente associadas a meios mágicos. Um aspecto importante da magia, seu sentido
Jonatas Ferreira   +1 more
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Multimode Phonon Lasing via Self‐Induced Optical Coherent Pumping

open access: yesLaser &Photonics Reviews, EarlyView.
A silicon optomechanical nanobeam generates self‐sustained phonon lasing in multiple competing mechanical modes via self‐pulsing, an intrinsic optical modulation arising from cavity nonlinearity. This self‐organized mechanism enables robust multi‐frequency operation spanning periodic, quasi‐periodic, and chaotic regimes without external modulation. The
David Alonso Tomás   +5 more
wiley   +1 more source

Exposição subletal de Daphnia a anatase provoca alterações bioquímicas dependentes da condição de iluminação. [PDF]

open access: yes, 2015
Resumo: As nanopartículas de dióxido de titânio (nano-Ti0 2) apresentam propriedades fotocatalíticas que devem ser consideradas na sua avaliação ecotoxicológica.
CASTRO, V. L. S. S. de   +3 more
core  

A Cryptic Non-Inducible Prophage Confers Phage-Immunity on the Streptococcus thermophilus M17PTZA496 [PDF]

open access: yes, 2018
open9openda Silva Duarte, Vinícius; Giaretta, Sabrina; Campanaro, Stefano; Treu, Laura; Armani, Andrea; Tarrah, Armin; Oliveira de Paula, Sérgio; Giacomini, Alessio; Corich, Vivianada Silva Duarte, Vinícius; Giaretta, Sabrina; Campanaro, Stefano; Treu ...

core   +1 more source

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