Results 91 to 100 of about 2,884 (216)

Tratamiento de la nanociencia y la nanotecnología en la prensa de quiosco de Sevilla [PDF]

open access: yes, 2011
Los Medios de Comunicación Social marcan la vida ciudadana desde la inmediatez y sirven para fijar referentes de convivencia que estratifican la sociedad actual y a su vez logran la difusión temática a grandes escalas con incidencia directa en el ...
García-Estévez, Noelia   +1 more
core  

On-chip measurement of the Brownian relaxation frequency of magnetic beads using magnetic tunneling junctions [PDF]

open access: yes, 2011
We demonstrate the detection of the Brownian relaxation frequency of 250 nm diameter magnetic beads using a lab-on-chip platform based on current lines for exciting the beads with alternating magnetic fields and highly sensitive magnetic tunnel junction ...
B. T. Dalslet   +11 more
core   +1 more source

Advanced oxidation processes for remediation of azo dyes used in the textile industry [PDF]

open access: yes, 2012
O objectivo deste trabalho visa avaliar a degradação fotocatalitica dos corantes azo Remazol Amarelo Ouro, Azul e Carbon RGB. Para tal foram avaliados os seguintes parâmetros: concentração de TiO2, concentração do corante, efeito do H2O2, efeito do pH e ...
Ferreira, Luis F. Vieira   +4 more
core  

Electronic and structural properties of doped amorphous and nanocrystalline silicon deposited at low substrate temperatures by radio-frequency plasma-enhanced chemical vapor deposition [PDF]

open access: yes, 2003
The gas phase doping of hydrogenated amorphous silicon and hydrogenated nanocrystalline silicon thin films deposited on glass and on plastic (polyethylene terephthalate) substrates is reported.
Alpuim, P., Chu, V., Conde, J. P.
core   +1 more source

The Reactive Extrusion Cationization of Starches as a Novel Physicochemical Surface Modification Method

open access: yesBiopolymers, Volume 117, Issue 3, May 2026.
Native starches from different botanical sources were cationized by reactive extrusion using 3% glycidyltrimethylammonium chloride (GTAC). The process, performed under controlled thermal zones, promoted the incorporation of quaternary ammonium groups onto the starch backbone.
Maria C. Posada‐Vélez   +4 more
wiley   +1 more source

Substitution of Ti by Nb in Maraging Steel: Effects on Strengthening Mechanisms and Crystallographic Behavior

open access: yessteel research international, Volume 97, Issue 5, Page 2672-2692, May 2026.
This work demonstrates that replacing Ti with Nb in maraging steel forms nanoscale Nb–Mo particles along boundaries, strengthening the alloy without relying on Ti phases. Heat‐treatment tuning promotes uniform crystal orientation and balanced grain boundaries, enabling strong yet ductile behavior.
Mohamad Masoumi   +14 more
wiley   +1 more source

A Reusable Capillary Flow-Driven Microfluidic System for Abscisic Acid Detection Using a Competitive Immunoassay

open access: yesSensors
Point-of-care (PoC) devices offer a promising solution for fast, portable, and easy-to-use diagnostics. These characteristics are particularly relevant in agrifood fields like viticulture where the early detection of plant stresses is crucial to crop ...
Cristiana Domingues   +5 more
doaj   +1 more source

DIREITO DAS NANOTECNOLOGIAS E O MEIO AMBIENTE DO TRABALHO

open access: yesRevista Gestão e Desenvolvimento, 2015
Resenha GÓES, Maurício de Carvalho; ENGELMANN, Wilson. Direito das Nanotecnologias e o Meio Ambiente do Trabalho. Porto Alegre: Livraria do Advogado Editora, 2015. 248 pp.
Raquel von Hohendorff   +2 more
doaj   +1 more source

INTERAÇÃO DA UNIVERSIDADE-INDÚSTRIA-GOVERNO: PUBLICAÇÕES CIENTÍFICAS NO BRASIL [PDF]

open access: yes, 2015
As esferas do poder público, indústria e universidade cada vez mais estão em interações que tem uma tendência a evoluir e se fortalecer. O presente trabalho, tem como objetivo analisar como ocorre a publicação científica da Interação Universidade ...
BUSARELLO, CARLA SPILLERE   +3 more
core  

Lipid‐Based Nanoparticles for Time‐Release Delivery of Flavonoids

open access: yesJournal of Food Process Engineering, Volume 49, Issue 5, May 2026.
Lipid‐based nanocarriers enhance the stability, bioavailability, and controlled release of flavonoids. These systems improve encapsulation efficiency and protection against degradation, highlighting their potential for food and nutraceutical applications.
Ziane da Conceição das Mercês   +3 more
wiley   +1 more source

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